PCI B.Pharm 2nd year Microbiology Unit 1 syllabus topics 2024

mkdir -p /home/daytona/workspace/micro-notes && python3 -c "from reportlab.pdfgen import canvas; print('reportlab ok')" && python3 -c "from reportlab.lib import colors; from reportlab.platypus import SimpleDocTemplate; print('platypus ok')"

~/micro-notes/generate_notes.py

cd /home/daytona/workspace/micro-notes && python3 generate_notes.py 2>&1

python3 -c " import subprocess result = subprocess.run(['python3', '-c', ''' from reportlab.pdfgen import canvas from reportlab.lib.pagesizes import A4 import os f = \"/home/daytona/workspace/micro-notes/Pharma_Microbiology_Unit1_Notes.pdf\" size = os.path.getsize(f) print(f\"File exists: {os.path.exists(f)}\") print(f\"File size: {size/1024:.1f} KB\") # count pages via simple string search with open(f, \"rb\") as fp: content = fp.read() pages = content.count(b\"/Type /Page\\n\") print(f\"Page objects: {pages}\") '''], capture_output=True, text=True) print(result.stdout) print(result.stderr) "

ls -lh /home/daytona/workspace/micro-notes/ && python3 -c " import os f = '/home/daytona/workspace/micro-notes/Pharma_Microbiology_Unit1_Notes.pdf' print('Exists:', os.path.exists(f)) print('Size:', round(os.path.getsize(f)/1024, 1), 'KB') with open(f, 'rb') as fp: data = fp.read() print('PDF header:', data[:8]) # count showpage markers pages = data.count(b'showpage') print('Pages:', pages) "

python3 -c " from reportlab.pdfgen import canvas from reportlab.lib.pagesizes import A4 import os # Quick test - generate minimal valid PDF c = canvas.Canvas('/home/daytona/workspace/micro-notes/test.pdf', pagesize=A4) c.drawString(100, 700, 'Test PDF') c.showPage() c.save() with open('/home/daytona/workspace/micro-notes/test.pdf', 'rb') as f: data = f.read() print('Test PDF size:', len(data)) print('Valid PDF:', data[:5] == b'%PDF-') print('Has EOF:', b'%%EOF' in data) "

python3 -c " with open('/home/daytona/workspace/micro-notes/Pharma_Microbiology_Unit1_Notes.pdf', 'rb') as f: data = f.read() print('Size:', len(data)) print('Valid PDF header:', data[:8]) print('Has EOF marker:', b'%%EOF' in data) print('Last 20 bytes:', data[-20:]) "

python3 << 'PYEOF' # Regenerate with full compatibility - no alpha transparency issues from reportlab.pdfgen import canvas from reportlab.lib.pagesizes import A4 from reportlab.lib import colors from reportlab.lib.units import mm import math, os W, H = A4 # Colors BG = colors.HexColor("#0D1117") CARD = colors.HexColor("#161B22") BORDER = colors.HexColor("#30363D") YELLOW = colors.HexColor("#FFD700") CYAN = colors.HexColor("#00E5FF") GREEN = colors.HexColor("#39FF14") PINK = colors.HexColor("#FF6B9D") ORANGE = colors.HexColor("#FF8C00") PURPLE = colors.HexColor("#BF5FFF") WHITE = colors.HexColor("#E6EDF3") LBLUE = colors.HexColor("#58A6FF") RED = colors.HexColor("#FF4500") TEAL = colors.HexColor("#20C997") DARKCARD = colors.HexColor("#1C2128") def bg(c): c.setFillColor(BG) c.rect(0, 0, W, H, fill=1, stroke=0) def rr(c, x, y, w, h, fc, sc=None, r=6, lw=1.5): c.setFillColor(fc) if sc: c.setStrokeColor(sc) c.setLineWidth(lw) c.roundRect(x, y, w, h, r, fill=1, stroke=1) else: c.roundRect(x, y, w, h, r, fill=1, stroke=0) def t(c, text, x, y, font="Helvetica-Bold", size=10, color=WHITE, align="left"): c.setFillColor(color) c.setFont(font, size) if align == "center": c.drawCentredString(x, y, text) elif align == "right": c.drawRightString(x, y, text) else: c.drawString(x, y, text) def wt(c, text, x, y, mw, font="Helvetica", size=9, color=WHITE, lead=13): c.setFillColor(color) c.setFont(font, size) words = text.split() line = "" for w2 in words: test = (line + " " + w2).strip() if c.stringWidth(test, font, size) <= mw: line = test else: if line: c.drawString(x, y, line) y -= lead line = w2 if line: c.drawString(x, y, line) y -= lead return y def arrow_draw(c, x1, y1, x2, y2, col=WHITE): c.setStrokeColor(col) c.setLineWidth(1.5) c.line(x1, y1, x2, y2) dx, dy = x2-x1, y2-y1 L = math.sqrt(dx*dx+dy*dy) if L < 1: return ux, uy = dx/L, dy/L s = 7 c.setFillColor(col) p = c.beginPath() p.moveTo(x2, y2) p.lineTo(x2 - s*ux + s*0.4*(-uy), y2 - s*uy + s*0.4*ux) p.lineTo(x2 - s*ux - s*0.4*(-uy), y2 - s*uy - s*0.4*ux) p.close() c.drawPath(p, fill=1, stroke=0) def hdr(c, pg, sub=""): bg(c) rr(c, 0, H-36, W, 36, DARKCARD) t(c, "B.Pharm | BP303T - Pharmaceutical Microbiology | UNIT 1 (PCI Syllabus)", W/2, H-22, "Helvetica-Bold", 9, CYAN, "center") rr(c, W/2-18, 6, 36, 16, DARKCARD, YELLOW, 4) t(c, str(pg), W/2, 10, "Helvetica-Bold", 8, YELLOW, "center") if sub: t(c, sub, W/2, H-47, "Helvetica-Bold", 8.5, ORANGE, "center") # ── PAGE 1: COVER ───────────────────────────────────────────────────────────── def p1(c): bg(c) # decorative boxes top rr(c, 0, H-8, W, 8, YELLOW) rr(c, 0, 0, W, 8, YELLOW) # title card rr(c, 30, 570, W-60, 220, DARKCARD, YELLOW, 14, 2) t(c, "PHARMACEUTICAL MICROBIOLOGY", W/2, 765, "Helvetica-Bold", 20, YELLOW, "center") t(c, "BP303T | B.Pharm | 3rd Semester", W/2, 738, "Helvetica-Bold", 12, CYAN, "center") c.setStrokeColor(ORANGE); c.setLineWidth(2) c.line(100, 726, W-100, 726) t(c, "UNIT I - Complete Study Notes", W/2, 705, "Helvetica-Bold", 17, ORANGE, "center") t(c, "As per PCI Syllabus (BP303T | 10 Hours)", W/2, 682, "Helvetica", 10.5, WHITE, "center") t(c, "Dark Theme | Colourful | Diagrams | Flowcharts", W/2, 662, "Helvetica", 9.5, TEAL, "center") t(c, "Easy Revision Edition", W/2, 644, "Helvetica-Bold", 9, PINK, "center") # topics rr(c, 40, 280, W-80, 272, CARD, BORDER, 10) t(c, "TOPICS COVERED IN UNIT 1", W/2, 535, "Helvetica-Bold", 12, CYAN, "center") topics = [ ("01", "Introduction, History & Branches of Microbiology", YELLOW), ("02", "Introduction to Prokaryotes & Eukaryotes", CYAN), ("03", "Ultrastructure & Morphological Classification of Bacteria", GREEN), ("04", "Nutritional Requirements & Culture Media", PINK), ("05", "Physical Parameters for Bacterial Growth", ORANGE), ("06", "Bacterial Growth Curve (4 Phases)", PURPLE), ("07", "Isolation & Preservation of Pure Cultures", TEAL), ("08", "Cultivation of Anaerobes", LBLUE), ("09", "Quantitative Measurement of Bacterial Growth", RED), ("10", "Types of Microscopy (Phase, Dark-Field, Electron)", GREEN), ] ty = 514 for num, topic, col in topics: rr(c, 52, ty-12, 28, 14, col, None, 3) t(c, num, 66, ty-5, "Helvetica-Bold", 7.5, BG, "center") t(c, topic, 86, ty-3, "Helvetica", 9.5, WHITE) ty -= 22 # footer rr(c, 40, 200, W-80, 64, DARKCARD, CYAN, 10) t(c, "Source Textbooks:", W/2, 250, "Helvetica-Bold", 9, CYAN, "center") t(c, "Jawetz Melnick & Adelbergs Medical Microbiology 28e", W/2, 234, "Helvetica", 8.5, WHITE, "center") t(c, "Murray Medical Microbiology 9e | Sherris & Ryan 8e", W/2, 220, "Helvetica", 8.5, WHITE, "center") t(c, "PCI B.Pharm Syllabus (BP303T)", W/2, 206, "Helvetica-Bold", 8, YELLOW, "center") c.showPage() # ── PAGE 2: INTRO & HISTORY ─────────────────────────────────────────────────── def p2(c): hdr(c, 2, "Introduction & History of Microbiology") y = H-60 rr(c, 18, y-28, W-36, 28, DARKCARD, YELLOW, 6) t(c, "1. INTRODUCTION TO MICROBIOLOGY", 28, y-18, "Helvetica-Bold", 13, YELLOW) y -= 40 # definition rr(c, 18, y-64, W-36, 64, colors.HexColor("#1A1020"), PINK, 8) t(c, "DEFINITION:", 26, y-14, "Helvetica-Bold", 10, PINK) wt(c, "Microbiology is the study of microorganisms - a large, diverse group of microscopic organisms " "that exist as single cells or cell clusters, including viruses. They impact all life and " "the physical/chemical makeup of our planet. 50-60% of cells in the human body are microbes; " "the human gut contains ~1 kg of bacteria.", 26, y-28, W-52, "Helvetica", 9, WHITE, 13) y -= 76 # stats boxes stats = [("5x10^30", "Microbial cells\non Earth", CYAN), ("8%", "Human DNA from\nviral remnants", PINK), ("50-60%", "Body cells that\nare microbes", GREEN), ("1 kg", "Gut bacteria\nweight in humans", ORANGE)] bw = (W-46)/4 for i,(val,lab,col) in enumerate(stats): bx = 18 + i*(bw+2) rr(c, bx, y-56, bw-2, 56, CARD, col, 6) t(c, val, bx+(bw-2)/2, y-20, "Helvetica-Bold", 13, col, "center") for j,line in enumerate(lab.split("\n")): t(c, line, bx+(bw-2)/2, y-34-j*12, "Helvetica", 7.5, WHITE, "center") y -= 68 # history timeline rr(c, 18, y-220, W-36, 220, CARD, CYAN, 10) t(c, "HISTORICAL MILESTONES", W/2, y-14, "Helvetica-Bold", 11, CYAN, "center") timeline = [ ("1674", "Leeuwenhoek", "Discovered microorganisms ('animalcules') with ground lenses", YELLOW), ("1798", "Edward Jenner", "Developed smallpox vaccine - first vaccine in history", GREEN), ("1840", "Friedrich Henle", "Proposed Germ Theory of disease", CYAN), ("1870s", "Koch & Pasteur", "Proved germ theory; anthrax, cholera, TB confirmed", PINK), ("1910", "Paul Ehrlich", "Discovered Salvarsan - first antibacterial agent (vs syphilis)", ORANGE), ("1928", "Alexander Fleming", "Discovered Penicillin from Penicillium notatum", GREEN), ("1935", "Gerhard Domagk", "Discovered Sulfanilamide (first sulfa drug)", PURPLE), ("1943", "Selman Waksman", "Discovered Streptomycin - first anti-TB antibiotic", TEAL), ("1946", "John Enders", "First cultured viruses in cell cultures -> vaccine production", RED), ] ty = y-32 for yr, person, event, col in timeline: c.setFillColor(col); c.circle(30, ty+4, 4, fill=1, stroke=0) c.setStrokeColor(col); c.setLineWidth(0.6) c.setDash(3,3); c.line(34, ty+4, 62, ty+4); c.setDash() t(c, yr, 34, ty, "Helvetica-Bold", 8, col) t(c, person+":", 72, ty, "Helvetica-Bold", 8.5, YELLOW) xo = 72 + c.stringWidth(person+": ", "Helvetica-Bold", 8.5) t(c, event, xo, ty, "Helvetica", 8.5, WHITE) ty -= 20 y -= 232 # branches rr(c, 18, y-124, W-36, 124, CARD, GREEN, 10) t(c, "BRANCHES OF MICROBIOLOGY", W/2, y-14, "Helvetica-Bold", 11, GREEN, "center") branches = [ ("Bacteriology", "Study of bacteria", CYAN), ("Virology", "Study of viruses", PINK), ("Mycology", "Study of fungi", ORANGE), ("Parasitology", "Study of parasites", PURPLE), ("Immunology", "Study of immune responses", TEAL), ("Pharmaceutical Microbiology", "Microbes in drug production & quality", YELLOW), ] by2 = y-32 for i,(br,desc,col) in enumerate(branches): px = 28 if i%2==0 else W/2+10 if i%2==0 and i>0: by2 -= 26 c.setFillColor(col); c.circle(px+4, by2+4, 3, fill=1, stroke=0) t(c, br+":", px+12, by2, "Helvetica-Bold", 9, col) t(c, desc, px+12+c.stringWidth(br+": ","Helvetica-Bold",9), by2, "Helvetica", 9, WHITE) c.showPage() # ── PAGE 3: PROKARYOTES vs EUKARYOTES ──────────────────────────────────────── def p3(c): hdr(c, 3, "Prokaryotes vs Eukaryotes") y = H-60 rr(c, 18, y-28, W-36, 28, DARKCARD, YELLOW, 6) t(c, "2. PROKARYOTES vs EUKARYOTES", 28, y-18, "Helvetica-Bold", 13, YELLOW) y -= 40 # comparison table headers = ["Feature", "PROKARYOTES", "EUKARYOTES"] rows = [ ["Nucleus", "Absent (nucleoid region only)", "True nucleus with membrane"], ["Size", "0.1 - 10 um", "10 - 100 um"], ["Cell Wall", "Peptidoglycan (murein)", "Chitin/cellulose or absent"], ["Organelles", "Absent", "ER, Mitochondria, Golgi, etc."], ["Ribosomes", "70S (50S + 30S subunits)", "80S (60S + 40S subunits)"], ["DNA", "Single circular, no histones", "Linear chromosomes + histones"], ["Reproduction", "Binary fission", "Mitosis / Meiosis"], ["Flagella", "Simple - Flagellin protein", "Complex - 9+2 microtubules"], ["Cell Division", "Simple binary fission", "Mitotic spindle apparatus"], ["Examples", "Bacteria, Archaea", "Fungi, Protozoa, Plants, Animals"], ] cws = [115, 195, 225] tx = 18; rh = 22 rr(c, tx, y-rh, sum(cws), rh, colors.HexColor("#1F2937"), CYAN, 4) cx = tx+5 for i,h in enumerate(headers): col = YELLOW if i==0 else (CYAN if i==1 else PINK) t(c, h, cx, y-14, "Helvetica-Bold", 9.5, col) cx += cws[i] y -= rh+1 rcolors = [CARD, colors.HexColor("#1A2030")] for ri,row in enumerate(rows): rr(c, tx, y-rh, sum(cws), rh, rcolors[ri%2], BORDER, 3, 0.5) cx = tx+5 for ci,cell in enumerate(row): col = ORANGE if ci==0 else (GREEN if ci==1 else LBLUE) t(c, cell, cx, y-14, "Helvetica", 8.5, col) cx += cws[ci] y -= rh+1 y -= 10 # pharma importance rr(c, 18, y-96, W-36, 96, colors.HexColor("#1A0A2E"), PURPLE, 10) t(c, "PHARMACEUTICAL IMPORTANCE OF MICROORGANISMS", W/2, y-14, "Helvetica-Bold", 10, PURPLE, "center") pharm = [ ("Antibiotics", "Penicillin (Penicillium), Streptomycin (Streptomyces griseus), Cephalosporins", YELLOW), ("Vitamins", "Riboflavin (B2) by Ashbya gossypii; Vitamin B12 by Pseudomonas", GREEN), ("Vaccines", "Bacterial/viral cultures for vaccine preparation (polio, hepatitis, flu)", CYAN), ("Enzymes", "Amylase, Lipase, Protease - industrial & pharmaceutical use", PINK), ("Fermentation", "Ethanol, Lactic acid, Citric acid, Amino acids, Insulin (E. coli rDNA)", ORANGE), ] py = y-32 for nm,desc,col in pharm: c.setFillColor(col); c.circle(28, py+4, 3, fill=1, stroke=0) t(c, nm+": ", 35, py, "Helvetica-Bold", 8.5, col) t(c, desc, 35+c.stringWidth(nm+": ","Helvetica-Bold",8.5), py, "Helvetica", 8.5, WHITE) py -= 17 y -= 108 # key difference mnemonic rr(c, 18, y-52, W-36, 52, colors.HexColor("#001A0A"), GREEN, 8) t(c, "MEMORY TIP - 70S vs 80S Ribosomes:", 26, y-14, "Helvetica-Bold", 9.5, GREEN) t(c, "Prokaryotes = 70S --> Target of: Aminoglycosides, Macrolides, Chloramphenicol, Tetracyclines", 26, y-28, "Helvetica", 9, YELLOW) t(c, "Eukaryotes = 80S --> NOT targeted by most antibiotics (selective toxicity principle)", 26, y-44, "Helvetica", 9, CYAN) c.showPage() # ── PAGE 4: BACTERIAL STRUCTURE DIAGRAM ────────────────────────────────────── def p4(c): hdr(c, 4, "Bacterial Ultrastructure & Morphological Classification") y = H-60 rr(c, 18, y-28, W-36, 28, DARKCARD, YELLOW, 6) t(c, "3. BACTERIAL ULTRASTRUCTURE (Labelled Diagram)", 28, y-18, "Helvetica-Bold", 13, YELLOW) y -= 42 # ── DRAW BACTERIAL CELL ── dcx, dcy = W/2, y-150 # capsule c.setStrokeColor(ORANGE); c.setLineWidth(2); c.setDash(5,3) c.ellipse(dcx-130, dcy-58, dcx+130, dcy+58, fill=0, stroke=1); c.setDash() # cell wall c.setFillColor(colors.HexColor("#2A3D1A")); c.setStrokeColor(GREEN); c.setLineWidth(2) c.ellipse(dcx-110, dcy-45, dcx+110, dcy+45, fill=1, stroke=1) # cell membrane c.setFillColor(colors.HexColor("#102030")); c.setStrokeColor(CYAN); c.setLineWidth(1.5) c.ellipse(dcx-95, dcy-36, dcx+95, dcy+36, fill=1, stroke=1) # cytoplasm c.setFillColor(colors.HexColor("#081520")) c.ellipse(dcx-85, dcy-28, dcx+85, dcy+28, fill=1, stroke=0) # nucleoid c.setFillColor(colors.HexColor("#2A1550")); c.setStrokeColor(PURPLE); c.setLineWidth(1.2) c.ellipse(dcx-28, dcy-12, dcx+28, dcy+12, fill=1, stroke=1) t(c, "Nucleoid", dcx, dcy+2, "Helvetica-Bold", 7, PURPLE, "center") t(c, "(DNA)", dcx, dcy-8, "Helvetica", 6.5, PURPLE, "center") # ribosomes c.setFillColor(YELLOW) for dx,dy2 in [(-60,8),(-45,-5),(-55,-12),(50,10),(60,-7),(42,4),(-70,2),(65,2)]: c.circle(dcx+dx, dcy+dy2, 3, fill=1, stroke=0) # plasmid c.setStrokeColor(PINK); c.setLineWidth(1); c.setFillColor(colors.HexColor("#00000000")) c.circle(dcx+62, dcy-10, 8, fill=0, stroke=1) t(c, "Plas.", dcx+62, dcy-14, "Helvetica", 5.5, PINK, "center") # flagella c.setStrokeColor(TEAL); c.setLineWidth(1.5) c.bezier(dcx+108, dcy-5, dcx+135, dcy-22, dcx+150, dcy+12, dcx+170, dcy) c.bezier(dcx+108, dcy+10, dcx+130, dcy+28, dcx+148, dcy+5, dcx+168, dcy+22) # pili c.setStrokeColor(ORANGE); c.setLineWidth(0.8) for ang in [25,55,115,145,205,235,295,325]: rad = math.radians(ang) ix = dcx + 95*math.cos(rad); iy = dcy + 38*math.sin(rad)*0.5 ox = dcx + 118*math.cos(rad); oy = dcy + 56*math.sin(rad)*0.5 c.line(ix, iy, ox, oy) # labels labels = [ (dcx-150, dcy+68, dcx-108, dcy+48, "Capsule/Slime Layer", ORANGE), (dcx-160, dcy, dcx-112, dcy, "Cell Wall (Peptidoglycan)", GREEN), (dcx-158, dcy-26, dcx-97, dcy-20, "Cell Membrane", CYAN), (dcx, dcy+62, dcx, dcy+38, "Cytoplasm", LBLUE), (dcx+110, dcy-38, dcx+104, dcy-10, "Flagella", TEAL), (dcx+112, dcy+42, dcx+110, dcy+20, "Pili/Fimbriae", ORANGE), (dcx+45, dcy+42, dcx+52, dcy+18, "Ribosome (70S)", YELLOW), ] for lx,ly,ax,ay,label,col in labels: c.setStrokeColor(col); c.setLineWidth(0.9) c.line(lx, ly, ax, ay) c.setFillColor(col); c.circle(ax, ay, 2, fill=1, stroke=0) t(c, label, lx, ly+5, "Helvetica-Bold", 7, col) t(c, "Fig. 1 - Generalised Structure of a Bacterial Cell", W/2, y-316, "Helvetica", 8, colors.HexColor("#6E7681"), "center") y -= 330 # structures table rr(c, 18, y-285, W-36, 285, CARD, CYAN, 10) t(c, "KEY STRUCTURES AND FUNCTIONS", W/2, y-14, "Helvetica-Bold", 11, CYAN, "center") structs = [ ("Capsule/Slime", "Polysaccharide/polypeptide. Protects from phagocytosis. Virulence factor.", ORANGE), ("Cell Wall", "Peptidoglycan. Maintains shape. G+ve: thick (20-80nm); G-ve: thin (2-7nm)+OM.", GREEN), ("Cell Membrane", "Phospholipid bilayer. ATP synthesis, selective permeability, enzyme reactions.", CYAN), ("Cytoplasm", "Aqueous sol. 80% water. All metabolic activities occur here.", LBLUE), ("Nucleoid", "Single circular dsDNA. No nuclear membrane. Controls cell activities.", PURPLE), ("Plasmid", "Extra-chromosomal circular DNA. Carries antibiotic resistance genes.", PINK), ("Ribosomes (70S)", "50S+30S. Protein synthesis. Antibiotic targets (aminoglycosides, macrolides).", YELLOW), ("Flagella", "Motility. Flagellin protein. Types: Monotrichous, Lophotrichous, Peritrichous.", TEAL), ("Pili/Fimbriae", "Fimbriae=adhesion to host. Sex pili=conjugation/DNA transfer.", ORANGE), ("Endospore", "Dormant, resistant. Bacillus & Clostridium. Resist heat, radiation, chemicals.", RED), ] sy = y-30 for i,(nm,desc,col) in enumerate(structs): px = 24 if i%2==0 else W/2+6 if i%2==0 and i>0: sy -= 26 c.setFillColor(col); c.roundRect(px, sy-3, 6, 12, 2, fill=1, stroke=0) t(c, nm+":", px+10, sy+6, "Helvetica-Bold", 8.5, col) t(c, desc, px+10, sy-5, "Helvetica", 7.5, WHITE) c.showPage() # ── PAGE 5: MORPHOLOGY + GRAM STAIN FLOWCHART ──────────────────────────────── def p5(c): hdr(c, 5, "Morphological Classification + Gram Staining Flowchart") y = H-60 rr(c, 18, y-28, W-36, 28, DARKCARD, PINK, 6) t(c, "4. MORPHOLOGICAL CLASSIFICATION OF BACTERIA", 28, y-18, "Helvetica-Bold", 13, PINK) y -= 40 morphs = [ ("COCCI (Spherical)", ["Diplococcus - pairs (e.g. S. pneumoniae)", "Streptococcus - chains", "Staphylococcus - grape clusters", "Tetrad - groups of 4", "Sarcinae - cuboidal packets of 8"], CYAN), ("BACILLI (Rod-shaped)", ["Diplobacillus - pairs", "Streptobacillus - chains", "Palisade - side by side", "Coccobacillus - short oval rods", "e.g. E. coli, Bacillus anthracis"], ORANGE), ("SPIRAL & OTHERS", ["Vibrio - comma shaped (V. cholerae)", "Spirillum - rigid spiral (S. minor)", "Spirochete - flexible spiral (Treponema)", "Actinomyces - branching filaments", "Pleomorphic - variable shapes"], PURPLE), ] mw = (W-44)/3; mh = 118 for i,(title,items,col) in enumerate(morphs): mx = 18+i*(mw+4) rr(c, mx, y-mh, mw-2, mh, CARD, col, 8) t(c, title, mx+(mw-2)/2, y-13, "Helvetica-Bold", 9, col, "center") iy = y-28 for item in items: c.setFillColor(col); c.circle(mx+9, iy+4, 2.5, fill=1, stroke=0) t(c, item, mx+16, iy, "Helvetica", 7.8, WHITE) iy -= 16 y -= mh+14 # gram staining rr(c, 18, y-28, W-36, 28, DARKCARD, GREEN, 6) t(c, "5. GRAM STAINING TECHNIQUE - STEP-BY-STEP FLOWCHART", 28, y-18, "Helvetica-Bold", 12, GREEN) y -= 40 cx = W/2 steps = [ ("HEAT FIX the smear on glass slide (pass through flame 2-3x)", colors.HexColor("#1F2937"), YELLOW), ("Apply CRYSTAL VIOLET (Primary Stain) - 1 minute", colors.HexColor("#2D1B4E"), PURPLE), ("Apply GRAM'S IODINE (Mordant / Fixing agent) - 1 minute", colors.HexColor("#1A2F1A"), GREEN), ("DECOLOURISE with 95% Alcohol / Acetone - 30 seconds", colors.HexColor("#2F1A1A"), RED), ("Apply SAFRANIN (Counterstain) - 1 minute", colors.HexColor("#2F1520"), PINK), ("WASH with water -> AIR DRY -> OBSERVE under microscope", colors.HexColor("#1A2030"), CYAN), ] sy = y sw, sh = 360, 28 for i,(label,bg_c,sc) in enumerate(steps): rr(c, cx-sw/2, sy-sh, sw, sh, bg_c, sc, 6) t(c, label, cx, sy-17, "Helvetica-Bold", 8.5, sc, "center") if i < len(steps)-1: arrow_draw(c, cx, sy-sh, cx, sy-sh-14) sy -= sh+14 # results res_y = sy - 14 # branch lines c.setStrokeColor(GREEN); c.setLineWidth(1.5) c.line(cx-80, res_y, cx-160, res_y-26) c.setStrokeColor(PINK) c.line(cx+80, res_y, cx+160, res_y-26) t(c, "G+ve", cx-120, res_y-10, "Helvetica-Bold", 8, GREEN, "center") t(c, "G-ve", cx+120, res_y-10, "Helvetica-Bold", 8, PINK, "center") rr(c, cx-240, res_y-78, 155, 52, colors.HexColor("#1A2F1A"), GREEN, 8) t(c, "GRAM POSITIVE", cx-163, res_y-44, "Helvetica-Bold", 9, GREEN, "center") t(c, "Stains PURPLE/VIOLET", cx-163, res_y-58, "Helvetica", 8, WHITE, "center") t(c, "Thick peptidoglycan wall", cx-163, res_y-70, "Helvetica", 7.5, TEAL, "center") rr(c, cx+86, res_y-78, 155, 52, colors.HexColor("#2F1A1A"), PINK, 8) t(c, "GRAM NEGATIVE", cx+163, res_y-44, "Helvetica-Bold", 9, PINK, "center") t(c, "Stains PINK/RED", cx+163, res_y-58, "Helvetica", 8, WHITE, "center") t(c, "Thin PG + Outer Membrane", cx+163, res_y-70, "Helvetica", 7.5, TEAL, "center") ey = res_y-88 rr(c, 18, ey-56, W/2-22, 56, CARD, GREEN, 8) t(c, "G+ve Examples:", 26, ey-12, "Helvetica-Bold", 9, GREEN) for i,ex in enumerate(["Staphylococcus aureus","Streptococcus pyogenes","Bacillus anthracis","Clostridium tetani"]): t(c, "* "+ex, 26, ey-26-i*12, "Helvetica", 8.5, YELLOW) rr(c, W/2+4, ey-56, W/2-22, 56, CARD, PINK, 8) t(c, "G-ve Examples:", W/2+12, ey-12, "Helvetica-Bold", 9, PINK) for i,ex in enumerate(["Escherichia coli","Klebsiella pneumoniae","Pseudomonas aeruginosa","Vibrio cholerae"]): t(c, "* "+ex, W/2+12, ey-26-i*12, "Helvetica", 8.5, YELLOW) c.showPage() # ── PAGE 6: CULTURE MEDIA & PHYSICAL PARAMETERS ────────────────────────────── def p6(c): hdr(c, 6, "Nutritional Requirements, Culture Media & Physical Parameters") y = H-60 rr(c, 18, y-28, W-36, 28, DARKCARD, ORANGE, 6) t(c, "5. NUTRITIONAL REQUIREMENTS & CULTURE MEDIA", 28, y-18, "Helvetica-Bold", 13, ORANGE) y -= 40 # nutritional needs rr(c, 18, y-116, W-36, 116, CARD, YELLOW, 10) t(c, "NUTRITIONAL REQUIREMENTS OF BACTERIA", W/2, y-14, "Helvetica-Bold", 10, YELLOW, "center") nutr = [ ("Carbon Source", "Organic (heterotrophs) or CO2 (autotrophs) -> Energy & structural molecules", CYAN), ("Nitrogen Source", "NH3, nitrates, amino acids, peptones -> Protein & nucleic acid synthesis", GREEN), ("Minerals/Salts", "S, P, K, Mg, Ca, Fe + trace elements -> Enzyme cofactors, structural roles", PINK), ("Water", "70-80% of cell weight -> Universal solvent for all biochemical reactions", ORANGE), ("Growth Factors", "Vitamins, amino acids (auxotrophs need these from environment)", PURPLE), ] ny = y-30 for nm,desc,col in nutr: c.setFillColor(col); c.roundRect(26, ny-3, 7, 12, 2, fill=1, stroke=0) t(c, nm+":", 37, ny+5, "Helvetica-Bold", 9, col) t(c, desc, 37+c.stringWidth(nm+": ","Helvetica-Bold",9), ny+5, "Helvetica", 8.5, WHITE) ny -= 20 y -= 128 # types of media rr(c, 18, y-222, W-36, 222, CARD, CYAN, 10) t(c, "TYPES OF CULTURE MEDIA", W/2, y-14, "Helvetica-Bold", 10, CYAN, "center") media_sections = [ ("BY PHYSICAL STATE", [ ("Liquid Broth", "No agar. e.g. Nutrient Broth, Peptone water. Used for turbidity, fermentation."), ("Semi-solid", "0.2-0.5% agar. Used for motility testing."), ("Solid", "1.5-2% agar. Nutrient Agar, Blood Agar. For isolation of pure cultures."), ], ORANGE), ("BY PURPOSE / FUNCTION", [ ("Basal/Simple", "Nutrient Agar, Nutrient Broth. Supports non-fastidious organisms."), ("Enriched", "Blood Agar, Chocolate Agar. Extra nutrients for fastidious organisms."), ("Selective", "MacConkey Agar, TCBS. Inhibits unwanted organisms."), ("Differential", "Blood Agar (haemolysis), MacConkey (lactose fermenters vs non-fermenters)."), ("Transport", "Stuart's, Amies medium. Preserves viability during transport."), ("Reducing", "Thioglycollate broth. Removes O2 for anaerobic organisms."), ], GREEN), ] my = y-30 for cat,items,col in media_sections: rr(c, 24, my-12, W-48, 13, colors.HexColor("#21262D"), col, 3) t(c, ">> "+cat, 30, my-5, "Helvetica-Bold", 9, col) my -= 22 for nm,desc in items: t(c, " > "+nm+":", 30, my, "Helvetica-Bold", 8.5, YELLOW) t(c, desc, 30+c.stringWidth(" > "+nm+": ","Helvetica-Bold",8.5), my, "Helvetica", 8, WHITE) my -= 14 my -= 3 y -= 234 # physical parameters rr(c, 18, y-128, W-36, 128, CARD, PURPLE, 10) t(c, "PHYSICAL PARAMETERS FOR BACTERIAL GROWTH", W/2, y-14, "Helvetica-Bold", 10, PURPLE, "center") params = [ ("Temperature", "Psychrophiles: 0-20C | Mesophiles: 20-45C (pathogens at 37C) | Thermophiles: 45-80C | Hyperthermophiles: >80C", ORANGE), ("pH", "Most bacteria: 6.5-7.5 | Acidophiles: pH<4 (Lactobacillus) | Alkaliphiles: pH>9 (V. cholerae)", CYAN), ("Oxygen", "Obligate aerobe (needs O2) | Obligate anaerobe (O2 toxic) | Facultative anaerobe (both) | Microaerophile (low O2)", GREEN), ("Osmotic Pressure", "Halophiles = high NaCl tolerance. Plasmolysis in hypertonic; Plasmoptysis in hypotonic.", PINK), ("Moisture", "Most bacteria need Aw > 0.90 (water activity). Xerophiles tolerate low moisture.", YELLOW), ] py = y-32 for pm,desc,col in params: c.setFillColor(col); c.circle(28, py+4, 3.5, fill=1, stroke=0) t(c, pm+": ", 35, py, "Helvetica-Bold", 8.5, col) xo = 35+c.stringWidth(pm+": ","Helvetica-Bold",8.5) wt(c, desc, xo, py, W-xo-22, "Helvetica", 8.5, WHITE, 13) py -= 22 c.showPage() # ── PAGE 7: GROWTH CURVE ────────────────────────────────────────────────────── def p7(c): hdr(c, 7, "Bacterial Growth Curve - All 4 Phases") y = H-60 rr(c, 18, y-28, W-36, 28, DARKCARD, GREEN, 6) t(c, "6. BACTERIAL GROWTH CURVE", 28, y-18, "Helvetica-Bold", 14, GREEN) y -= 44 # draw growth curve ox, oy = 72, y-210 gw, gh = W-120, 190 # background grid c.setStrokeColor(BORDER); c.setLineWidth(0.4) for i in range(1,5): c.line(ox, oy+gh*i/4, ox+gw, oy+gh*i/4) # axes c.setStrokeColor(WHITE); c.setLineWidth(1.8) c.line(ox, oy, ox, oy+gh) c.line(ox, oy, ox+gw, oy) # axis labels t(c, "Time -->", ox+gw/2, oy-16, "Helvetica-Bold", 9, WHITE, "center") c.saveState(); c.translate(ox-50, oy+gh/2); c.rotate(90) t(c, "Log (Number of Bacteria) -->", 0, 0, "Helvetica-Bold", 8, WHITE, "center") c.restoreState() # y axis ticks for i,lab in enumerate(["10^2","10^4","10^6","10^8"]): c.setStrokeColor(WHITE); c.setLineWidth(0.8) c.line(ox-4, oy+gh*(i+1)/4, ox, oy+gh*(i+1)/4) t(c, lab, ox-30, oy+gh*(i+1)/4-4, "Helvetica", 7, WHITE, "center") # curve lag_e = ox + 0.15*gw log_e = ox + 0.45*gw stat_e = ox + 0.72*gw lag_y = oy + 0.15*gh log_ey = oy + 0.82*gh dec_y = oy + 0.18*gh # phase shading (no transparency - use opaque semi-dark boxes) phase_shades = [ (ox, lag_e, colors.HexColor("#1A1A00")), (lag_e, log_e, colors.HexColor("#001A00")), (log_e, stat_e, colors.HexColor("#1A0D00")), (stat_e, ox+gw, colors.HexColor("#1A0000")), ] for x1,x2,fc in phase_shades: c.setFillColor(fc); c.rect(x1, oy, x2-x1, gh, fill=1, stroke=0) c.setStrokeColor(CYAN); c.setLineWidth(2.5) p2 = c.beginPath() p2.moveTo(ox, lag_y) p2.lineTo(lag_e, lag_y) p2.curveTo(lag_e+(log_e-lag_e)*0.3, lag_y, lag_e+(log_e-lag_e)*0.7, log_ey, log_e, log_ey) p2.lineTo(stat_e, log_ey) p2.curveTo(stat_e+(ox+gw-stat_e)*0.3, log_ey, stat_e+(ox+gw-stat_e)*0.7, dec_y, ox+gw, dec_y) c.drawPath(p2, fill=0, stroke=1) # vertical dividers for dvx in [lag_e, log_e, stat_e]: c.setStrokeColor(BORDER); c.setLineWidth(0.8); c.setDash(4,3) c.line(dvx, oy, dvx, oy+gh); c.setDash() # phase labels below x-axis phasecx = [(ox+lag_e)/2, (lag_e+log_e)/2, (log_e+stat_e)/2, (stat_e+ox+gw)/2] plabels = ["LAG PHASE", "LOG PHASE\n(Exponential)", "STATIONARY\nPHASE", "DEATH\n(Decline) PHASE"] pcols = [YELLOW, GREEN, ORANGE, RED] for px2,pl,pc in zip(phasecx, plabels, pcols): for li,line in enumerate(pl.split("\n")): t(c, line, px2, oy-20-li*11, "Helvetica-Bold", 7.5, pc, "center") t(c, "Fig. 2 - Bacterial Growth Curve (4 Phases)", W/2, oy-50, "Helvetica", 8, colors.HexColor("#6E7681"), "center") y -= 268 # phase descriptions phases = [ ("1. LAG PHASE", [ "No increase in cell number; bacteria adapt to environment", "Active enzyme & RNA synthesis - metabolic preparation", "Cells INCREASE IN SIZE (not number)", "Duration varies with inoculum age, medium, temperature", ], YELLOW, colors.HexColor("#1A1A00")), ("2. LOG (EXPONENTIAL) PHASE", [ "Rapid exponential doubling of cells", "E. coli generation time: ~20 min; M. tuberculosis: ~20 hrs", "Formula: N = N0 x 2^n (n = number of generations)", "Most susceptible to antibiotics - best for antibiotic testing", ], GREEN, colors.HexColor("#001A00")), ("3. STATIONARY PHASE", [ "Growth rate = Death rate; population stays constant", "Nutrients depleted; toxic metabolites accumulate", "Endospore formation begins (Bacillus, Clostridium)", "Secondary metabolites produced (e.g. antibiotics, pigments)", ], ORANGE, colors.HexColor("#1A0D00")), ("4. DEATH (DECLINE) PHASE", [ "Death rate > Growth rate; viable count decreases", "Extreme pH, nutrient exhaustion, toxin accumulation", "Log-linear decrease in viable cells over time", "Some survive as endospores or dormant forms", ], RED, colors.HexColor("#1A0000")), ] pw2 = (W-44)/2; ph2 = 108 for i,(title,pts,col,bgc) in enumerate(phases): px3 = 18+(i%2)*(pw2+4) py3 = y-(i//2)*(ph2+6) rr(c, px3, py3-ph2, pw2-2, ph2, bgc, col, 8) t(c, title, px3+(pw2-2)/2, py3-12, "Helvetica-Bold", 9, col, "center") iy2 = py3-28 for pt in pts: c.setFillColor(col); c.circle(px3+9, iy2+4, 2.5, fill=1, stroke=0) wt(c, pt, px3+16, iy2, pw2-28, "Helvetica", 8, WHITE, 12) iy2 -= 18 c.showPage() # ── PAGE 8: ISOLATION FLOWCHART ─────────────────────────────────────────────── def p8(c): hdr(c, 8, "Isolation of Pure Cultures - Flowchart") y = H-60 rr(c, 18, y-28, W-36, 28, DARKCARD, TEAL, 6) t(c, "7. ISOLATION OF PURE CULTURES - STREAK PLATE FLOWCHART", 28, y-18, "Helvetica-Bold", 12, TEAL) y -= 42 cx = W/2 steps = [ ("OBTAIN mixed culture sample in test tube", colors.HexColor("#1C2A30"), TEAL), ("STERILISE inoculating loop by flaming until red-hot", colors.HexColor("#1F2A20"), GREEN), ("STREAK Area 1: 4-6 parallel streaks (dense inoculation)", colors.HexColor("#2A2A1C"), YELLOW), ("FLAME & COOL loop, then STREAK Area 2: cross Area 1 (3-4 streaks)", colors.HexColor("#2A201C"), ORANGE), ("FLAME & COOL loop, then STREAK Area 3: cross Area 2 (3-4 streaks)", colors.HexColor("#2A1C1C"), PINK), ("STREAK Area 4: cross Area 3 for maximum dilution", colors.HexColor("#201A25"), PURPLE), ("INCUBATE at 37 deg C for 24-48 hours", colors.HexColor("#1C1C2A"), LBLUE), ("OBSERVE: Isolated single colonies in Areas 3 & 4", colors.HexColor("#1C2A1C"), GREEN), ("SUB-CULTURE a single colony to fresh medium -> PURE CULTURE", colors.HexColor("#1A1F29"), CYAN), ] sw2, sh2 = 370, 27 sy = y for i,(label,bgc,sc) in enumerate(steps): rr(c, cx-sw2/2, sy-sh2, sw2, sh2, bgc, sc, 6) t(c, label, cx, sy-16, "Helvetica-Bold", 8.5, sc, "center") if i < len(steps)-1: arrow_draw(c, cx, sy-sh2, cx, sy-sh2-12) sy -= sh2+12 y = sy - 16 # other methods rr(c, 18, y-68, W-36, 68, CARD, ORANGE, 8) t(c, "OTHER ISOLATION METHODS", W/2, y-12, "Helvetica-Bold", 10, ORANGE, "center") others = [ ("Pour Plate", "Serial dilutions mixed into molten agar (45C) -> poured into Petri dish -> colonies in/on agar", GREEN), ("Spread Plate", "Diluted sample spread over solidified agar surface with glass spreader/loop", CYAN), ("Serial Dilution", "10-fold dilutions (10^-1, 10^-2...) to reduce count to 30-300 CFU/plate", PINK), ] oy2 = y-28 for nm,desc,col in others: c.setFillColor(col); c.circle(26, oy2+4, 3, fill=1, stroke=0) t(c, nm+": ", 33, oy2, "Helvetica-Bold", 8.5, col) t(c, desc, 33+c.stringWidth(nm+": ","Helvetica-Bold",8.5), oy2, "Helvetica", 8.5, WHITE) oy2 -= 18 c.showPage() # ── PAGE 9: PRESERVATION & ANAEROBIC CULTIVATION ───────────────────────────── def p9(c): hdr(c, 9, "Preservation of Pure Cultures & Cultivation of Anaerobes") y = H-60 rr(c, 18, y-28, W-36, 28, DARKCARD, PINK, 6) t(c, "8. PRESERVATION OF PURE CULTURES", 28, y-18, "Helvetica-Bold", 13, PINK) y -= 40 pres = [ ("Subculturing (Periodic Transfer)", "Transfer to fresh medium every 2-4 weeks. Simple but risk of contamination & mutation with time.", CYAN, "Short-term"), ("Refrigeration (4 deg C)", "Agar slant sealed with paraffin. Reduces metabolism. Keeps for weeks to months.", GREEN, "Short-term"), ("Glycerol Stocks (-20 / -80 deg C)", "Mix 15-20% glycerol with culture. Freeze. Prevents ice crystal damage. Months to years.", YELLOW, "Medium-term"), ("Lyophilisation (Freeze-Drying)", "Cells frozen then water removed by sublimation under vacuum. Reconstituted with water. Decades.", ORANGE, "Long-term ****"), ("Liquid Nitrogen (-196 deg C)", "Cells in cryoprotectant (DMSO/glycerol). Submerged in L-N2. Indefinite storage.", PURPLE, "Long-term ****"), ("Mineral Oil Overlay", "Sterile mineral oil added over agar slant. Reduces desiccation & metabolism. 1-2 years.", TEAL, "Medium-term"), ] pw3 = (W-44)/2; ph3 = 72 for i,(nm,desc,col,dur) in enumerate(pres): px4 = 18+(i%2)*(pw3+4) py4 = y-(i//2)*(ph3+6) rr(c, px4, py4-ph3, pw3-2, ph3, CARD, col, 8) rr(c, px4+pw3-75, py4-18, 72, 14, col, None, 3) t(c, dur, px4+pw3-39, py4-11, "Helvetica-Bold", 6.5, BG, "center") t(c, nm, px4+8, py4-14, "Helvetica-Bold", 8.5, col) wt(c, desc, px4+8, py4-28, pw3-18, "Helvetica", 7.8, WHITE, 12) y -= 3*(ph3+6)+14 rr(c, 18, y-28, W-36, 28, DARKCARD, RED, 6) t(c, "9. CULTIVATION OF ANAEROBES", 28, y-18, "Helvetica-Bold", 13, RED) y -= 40 anaerobes = [ ("Thioglycollate Broth", "Sodium thioglycollate scavenges dissolved O2. Anaerobes grow at bottom; aerobes at top; facultatives throughout.", RED), ("Anaerobic Jar (McIntosh-Fildes)", "H2+CO2 gas produced by chemical reaction. Palladium catalyst removes O2 by combining with H2. Creates anaerobic environment.", ORANGE), ("GasPak System", "Commercial sachet generates H2+CO2. Palladium catalyst removes O2. Simple, widely used in clinical labs.", YELLOW), ("Anaerobic Chamber/Glove Box", "Sealed cabinet with N2/H2/CO2 atmosphere. Full anaerobic workspace - can process samples anaerobically.", PURPLE), ("Deep Agar Stab Culture", "Inoculate deep into agar column. O2 limited at depth. Simple method for semi-anaerobic/facultative organisms.", CYAN), ("Candle Jar (NOT true anaerobe)", "Candle burns until O2 drops to 5-10%. Used for MICROAEROPHILES (e.g. H. pylori, Campylobacter).", PINK), ] aw2 = (W-44)/2; ah2 = 68 for i,(nm,desc,col) in enumerate(anaerobes): ax2 = 18+(i%2)*(aw2+4) ay2 = y-(i//2)*(ah2+6) rr(c, ax2, ay2-ah2, aw2-2, ah2, CARD, col, 8) t(c, nm, ax2+8, ay2-13, "Helvetica-Bold", 8.5, col) wt(c, desc, ax2+8, ay2-26, aw2-18, "Helvetica", 8, WHITE, 12) c.showPage() # ── PAGE 10: BACTERIAL COUNT ────────────────────────────────────────────────── def p10(c): hdr(c, 10, "Quantitative Measurement of Bacterial Growth") y = H-60 rr(c, 18, y-28, W-36, 28, DARKCARD, YELLOW, 6) t(c, "10. QUANTITATIVE MEASUREMENT OF BACTERIAL GROWTH", 28, y-18, "Helvetica-Bold", 12, YELLOW) y -= 40 for title,items,col,bgc in [ ("TOTAL COUNT (Dead + Living Cells)", [ "1. Direct Microscopic Count - Petroff-Hausser counting chamber", " -> Known volume grid; Formula: cells/mL = count x dilution x 20,000", "2. Turbidimetry (Spectrophotometer at 600nm)", " -> Optical Density (OD) proportional to cell concentration", " -> McFarland turbidity standards used as reference", "3. Dry Weight Method - cells dried at 105 deg C and weighed", "4. Protein Estimation (Bradford/Lowry) or DNA measurement", ], CYAN, colors.HexColor("#001520")), ("VIABLE COUNT (Living Cells Only)", [ "1. Standard Plate Count (SPC) / Colony Count:", " -> Serial dilution -> pour or spread plate -> incubate -> count", " -> Result reported as CFU/mL (Colony Forming Units per mL)", " -> Acceptable plate count: 30-300 colonies (too many = TNTC)", "2. Membrane Filtration Method:", " -> Pass sample through 0.45 um membrane filter", " -> Place filter on selective agar -> count colonies", "3. Most Probable Number (MPN) Method:", " -> Statistical method using multiple dilution tubes", " -> Used in water/food microbiology for coliforms", ], GREEN, colors.HexColor("#001A00")), ]: rr(c, 18, y-168, W-36, 168, bgc, col, 10) t(c, title, W/2, y-14, "Helvetica-Bold", 10, col, "center") iy = y-30 for line in items: indent = 30 if line.startswith(" ") else 28 fc = TEAL if line.startswith(" ") else WHITE fn = "Helvetica-Bold" if not line.startswith(" ") and line[0].isdigit() else "Helvetica" t(c, line.strip(), indent, iy, fn, 8.5, fc) iy -= 14 y -= 180 # McFarland standards rr(c, 18, y-108, W-36, 108, CARD, ORANGE, 10) t(c, "McFARLAND TURBIDITY STANDARDS", W/2, y-14, "Helvetica-Bold", 10, ORANGE, "center") hdrs2 = ["Standard No.", "Approx. Cells/mL", "OD600", "Main Use"] mf_rows = [ ["0.5 (most common)", "1-2 x 10^8", "0.08-0.10", "Antibiotic susceptibility testing (MIC)"], ["1", "3 x 10^8", "~0.20", "General microbiological reference"], ["2", "6 x 10^8", "~0.40", "Fungal suspensions, research"], ["4", "1.2 x 10^9", "~0.80", "Dense cultures, specific assays"], ] cws2 = [115, 120, 70, 230] tx2 = 24 mfy = y-28 rr(c, tx2, mfy-14, sum(cws2), 14, colors.HexColor("#1F2937"), ORANGE, 3) cx2 = tx2+4 for h in hdrs2: t(c, h, cx2, mfy-9, "Helvetica-Bold", 8, ORANGE) cx2 += cws2[hdrs2.index(h)] mfy -= 16 for ri,row in enumerate(mf_rows): bgrc = CARD if ri%2==0 else colors.HexColor("#1A2030") rr(c, tx2, mfy-13, sum(cws2), 13, bgrc, BORDER, 2, 0.4) cx2 = tx2+4 for ci,cell in enumerate(row): col = YELLOW if ci==0 else WHITE t(c, cell, cx2, mfy-9, "Helvetica", 8, col) cx2 += cws2[ci] mfy -= 14 c.showPage() # ── PAGE 11: MICROSCOPY ─────────────────────────────────────────────────────── def p11(c): hdr(c, 11, "Types of Microscopy") y = H-60 rr(c, 18, y-28, W-36, 28, DARKCARD, PURPLE, 6) t(c, "11. TYPES OF MICROSCOPY", 28, y-18, "Helvetica-Bold", 14, PURPLE) y -= 40 scopes = [ ("Bright-Field Microscope", ["Uses visible light; most common type", "Magnification: up to 1000x (oil immersion)", "Stained specimens needed for bacteria", "Resolution: ~0.2 um", "Use: general observation of stained bacteria"], CYAN, colors.HexColor("#001520")), ("Phase Contrast Microscope", ["Converts phase differences to amplitude (contrast)", "No staining needed - observes LIVING cells", "Invented by Frits Zernike (Nobel 1953)", "Uses: motility studies, cell division, live bacteria", "Phase ring in objective creates contrast"], GREEN, colors.HexColor("#001A00")), ("Dark-Field Microscope", ["Only scattered light from specimen reaches eye", "Objects appear BRIGHT on DARK background", "Best for: Treponema pallidum (too thin to stain)", "Central stop in condenser blocks direct light", "Use: spirochetes, unstained protozoa, flagella"], ORANGE, colors.HexColor("#1A0D00")), ("Fluorescence Microscope", ["UV light excites fluorescent dyes (fluorochromes)", "Fluorochrome emits visible light when excited", "Common dyes: Auramine O, FITC, DAPI, Rhodamine", "Use: TB (Auramine), immunofluorescence (FAT, IFAT)", "Direct vs Indirect immunofluorescence"], YELLOW, colors.HexColor("#1A1A00")), ("Electron Microscope (TEM/SEM)", ["Uses electron beam - much shorter wavelength", "Resolution: ~0.1 nm (vs 0.2 um for light microscope)", "TEM: internal ultrastructure, viruses, organelles", "SEM: 3D surface topography of specimens", "Cannot view living cells; requires dehydration"], PINK, colors.HexColor("#1F001A")), ("Confocal Microscope", ["Laser scanning with pinhole aperture", "Eliminates out-of-focus fluorescence", "Produces 3D optical sections (z-stacking)", "Use: biofilm imaging, 3D cell architecture", "Higher resolution than conventional fluorescence"], PURPLE, colors.HexColor("#1A001F")), ] sw3 = (W-44)/2; sh3 = 112 for i,(title,pts,col,bgc) in enumerate(scopes): sx2 = 18+(i%2)*(sw3+4) sy2 = y-(i//2)*(sh3+6) rr(c, sx2, sy2-sh3, sw3-2, sh3, bgc, col, 8) t(c, title, sx2+(sw3-2)/2, sy2-13, "Helvetica-Bold", 8.5, col, "center") iy3 = sy2-27 for pt in pts: c.setFillColor(col); c.circle(sx2+9, iy3+4, 2.5, fill=1, stroke=0) wt(c, pt, sx2+16, iy3, sw3-26, "Helvetica", 8, WHITE, 12) iy3 -= 16 y -= 3*(sh3+6)+14 # quick comparison rr(c, 18, y-90, W-36, 90, CARD, CYAN, 10) t(c, "QUICK COMPARISON TABLE", W/2, y-12, "Helvetica-Bold", 10, CYAN, "center") ch = ["Type", "Light Source", "Magnification", "Resolution", "Key Use"] cr = [ ["Bright-Field","Visible light","Up to 1000x","~0.2 um","Stained bacteria"], ["Phase Contrast","Visible light","Up to 1000x","~0.2 um","Living cells"], ["Dark-Field","Visible light","Up to 1000x","~0.2 um","Treponema, spirochetes"], ["TEM (Electron)","Electrons","Up to 100,000x","~0.1 nm","Viruses, ultrastructure"], ["Fluorescence","UV light","Up to 1000x","~0.2 um","TB, immunostaining"], ] cw3 = [92, 78, 90, 72, 203] tx3 = 24; cy3 = y-26 rr(c, tx3, cy3-13, sum(cw3), 13, colors.HexColor("#1F2937"), CYAN, 3) cx3 = tx3+3 for h in ch: t(c, h, cx3, cy3-9, "Helvetica-Bold", 7.5, CYAN) cx3 += cw3[ch.index(h)] cy3 -= 15 for ri2,row in enumerate(cr): bgrc2 = CARD if ri2%2==0 else colors.HexColor("#1A2030") rr(c, tx3, cy3-12, sum(cw3), 12, bgrc2, BORDER, 2, 0.4) cx3 = tx3+3 for ci2,cell in enumerate(row): col = YELLOW if ci2==0 else WHITE t(c, cell, cx3, cy3-8, "Helvetica", 7.5, col) cx3 += cw3[ci2] cy3 -= 13 c.showPage() # ── PAGE 12: ACID-FAST STAINING + IMViC ────────────────────────────────────── def p12(c): hdr(c, 12, "Acid-Fast Staining + IMViC Biochemical Tests") y = H-60 rr(c, 18, y-28, W-36, 28, DARKCARD, RED, 6) t(c, "12. ACID-FAST STAINING (Ziehl-Neelsen Method)", 28, y-18, "Helvetica-Bold", 13, RED) y -= 40 cx = W/2 af_steps = [ ("HEAT-FIX smear on glass slide (pass through flame 2-3 times)", colors.HexColor("#1F2937"), YELLOW), ("Apply CARBOL-FUCHSIN (Primary Stain) - Heat gently for 5 min", colors.HexColor("#2F0000"), RED), ("WASH with water gently", colors.HexColor("#001A2F"), LBLUE), ("DECOLOURISE with 3% HCl in 95% Ethanol (Acid-Alcohol) - 2-3 min", colors.HexColor("#2A1500"), ORANGE), ("WASH with water", colors.HexColor("#001A2F"), LBLUE), ("Apply METHYLENE BLUE (Counterstain) - 1-2 min", colors.HexColor("#001A2F"), CYAN), ("WASH with water -> AIR DRY -> Observe under Oil Immersion (1000x)", colors.HexColor("#1A1F29"), WHITE), ] sw4, sh4 = 380, 28 sy4 = y for i,(label,bgc,sc) in enumerate(af_steps): rr(c, cx-sw4/2, sy4-sh4, sw4, sh4, bgc, sc, 6) t(c, label, cx, sy4-17, "Helvetica-Bold", 8.5, sc, "center") if i < len(af_steps)-1: arrow_draw(c, cx, sy4-sh4, cx, sy4-sh4-12) sy4 -= sh4+12 # results ry = sy4-12 rr(c, 20, ry-56, W/2-26, 56, colors.HexColor("#2F0000"), RED, 8) t(c, "ACID-FAST (AFB +ve)", (20+W/2-26)/2+10, ry-13, "Helvetica-Bold", 9, RED, "center") t(c, "Stains RED / PINK", (20+W/2-26)/2+10, ry-28, "Helvetica", 8.5, ORANGE, "center") t(c, "Mycobacterium tuberculosis", (20+W/2-26)/2+10, ry-42, "Helvetica", 8, WHITE, "center") t(c, "Mycobacterium leprae", (20+W/2-26)/2+10, ry-55, "Helvetica", 8, WHITE, "center") rr(c, W/2+6, ry-56, W/2-26, 56, colors.HexColor("#001A2F"), CYAN, 8) t(c, "NON-ACID-FAST (AFB -ve)", (W/2+6+W-20)/2, ry-13, "Helvetica-Bold", 9, CYAN, "center") t(c, "Stains BLUE (counterstain)", (W/2+6+W-20)/2, ry-28, "Helvetica", 8.5, LBLUE, "center") t(c, "E. coli, Staph, Strep etc.", (W/2+6+W-20)/2, ry-42, "Helvetica", 8, WHITE, "center") t(c, "(All non-mycobacteria)", (W/2+6+W-20)/2, ry-55, "Helvetica", 8, WHITE, "center") y2 = ry-70 # IMViC rr(c, 18, y2-28, W-36, 28, DARKCARD, YELLOW, 6) t(c, "13. IMViC TESTS (Biochemical Identification of Enterobacteriaceae)", 28, y2-18, "Helvetica-Bold", 11.5, YELLOW) y2 -= 40 imvic = [ ("I - INDOLE TEST", "Tests production of indole from tryptophan (amino acid). Add Kovac's reagent. Red ring at top = Positive.", "E. coli (+) | Enterobacter (-)", PINK), ("M - METHYL RED (MR) TEST", "Mixed-acid fermentation of glucose produces stable acids (pH <4.4). Add methyl red indicator. Red = Positive.", "E. coli (+) | Enterobacter (-)", ORANGE), ("V - VOGES-PROSKAUER (VP) TEST", "Fermentation produces acetylmethylcarbinol (acetoin). Add KOH + alpha-naphthol. Pink/Red = Positive.", "Enterobacter (+) | E. coli (-)", GREEN), ("C - CITRATE TEST (Simmons)", "Ability to use citrate as SOLE carbon source. Simmons Citrate Agar. Colour change: Green -> Blue = Positive.", "Enterobacter (+) | E. coli (-)", CYAN), ] iw = (W-44)/2; ih = 76 for i,(title,desc,result,col) in enumerate(imvic): ix2 = 18+(i%2)*(iw+4) iy4 = y2-(i//2)*(ih+6) rr(c, ix2, iy4-ih, iw-2, ih, CARD, col, 8) t(c, title, ix2+6, iy4-12, "Helvetica-Bold", 9, col) wt(c, desc, ix2+6, iy4-26, iw-14, "Helvetica", 8, WHITE, 12) rr(c, ix2+6, iy4-ih+7, iw-14, 15, colors.HexColor("#0D1117"), col, 3) t(c, "Result: "+result, ix2+(iw-2)/2, iy4-ih+16, "Helvetica-Bold", 8, YELLOW, "center") y3 = y2-2*(ih+6)-14 rr(c, 18, y3-44, W-36, 44, colors.HexColor("#001A1A"), TEAL, 8) t(c, "IMViC PATTERN MEMORY AID:", 26, y3-12, "Helvetica-Bold", 9.5, TEAL) t(c, "E. coli: I=+ MR=+ VP=- C=- Pattern: + + - -", 26, y3-28, "Helvetica-Bold", 9, YELLOW) t(c, "Enterobacter: I=- MR=- VP=+ C=+ Pattern: - - + +", 26, y3-42, "Helvetica-Bold", 9, GREEN) c.showPage() # ── PAGE 13: ANTIBIOTICS ───────────────────────────────────────────────────── def p13(c): hdr(c, 13, "Antibiotics Produced by Microorganisms") y = H-60 rr(c, 18, y-28, W-36, 28, DARKCARD, GREEN, 6) t(c, "14. ANTIBIOTICS PRODUCED BY MICROORGANISMS", 28, y-18, "Helvetica-Bold", 13, GREEN) y -= 40 antibiotics = [ ("PENICILLIN", "Penicillium chrysogenum\n(discovered from P. notatum by Fleming, 1928)", "Beta-lactam ring. Inhibits transpeptidase enzyme.\nBlocks cross-linking of peptidoglycan in cell wall.\nBactericidal. Effective against G+ve organisms.", "Streptococcus, Staphylococcus, Treponema\npneumococcus, syphilis, meningitis", "Deep tank submerged fermentation with phenylacetic acid as precursor -> solvent extraction -> chromatography -> crystallisation", GREEN), ("STREPTOMYCIN", "Streptomyces griseus\n(Actinobacterium from soil, discovered by Waksman 1943)", "Aminoglycoside. Binds to 30S ribosome subunit.\nCauses misreading of mRNA -> abnormal proteins.\nBactericidal. First anti-TB drug.", "Mycobacterium tuberculosis, Brucella,\nPseudoas, Plague (Yersinia pestis)", "Aerobic submerged fermentation -> solvent extraction -> ion exchange chromatography -> freeze-drying (lyophilisation)", ORANGE), ("CEPHALOSPORINS", "Acremonium chrysogenum\n(formerly Cephalosporium acremonium - soil fungus)", "Beta-lactam ring (similar to penicillin).\nBroader spectrum than penicillin.\nInhibits cell wall synthesis (PBP binding).\nSeveral generations (1st to 5th) available.", "G+ve & G-ve bacteria.\nUsed for penicillin-resistant strains.\n3rd gen: meningitis, septicemia", "Fermentation -> isolation of 7-ACA nucleus -> chemical side-chain modification -> multiple generations", CYAN), ] for nm,organism,mechanism,spectrum,production,col in antibiotics: ah3 = 134 rr(c, 18, y-ah3, W-36, ah3, CARD, col, 10) rr(c, 22, y-22, 160, 20, col, None, 4) t(c, ">>> "+nm+" <<<", 102, y-12, "Helvetica-Bold", 10, BG, "center") details = [ ("Organism:", organism, YELLOW), ("Mechanism:", mechanism, PINK), ("Spectrum:", spectrum, TEAL), ("Production:", production, ORANGE), ] dx2 = 24; dy2 = y-32 for lbl,val,dc in details: t(c, lbl, dx2, dy2, "Helvetica-Bold", 8, dc) xo2 = dx2+c.stringWidth(lbl+" ","Helvetica-Bold",8) for li2,line in enumerate(val.split("\n")): t(c, line, xo2, dy2-li2*11, "Helvetica", 8, WHITE) dy2 -= 26 y -= ah3+8 # key points y2 = y-8 rr(c, 18, y2-124, W-36, 124, colors.HexColor("#0D1520"), YELLOW, 10) t(c, "IMPORTANT KEY POINTS - UNIT 1 QUICK REVISION", W/2, y2-14, "Helvetica-Bold", 11, YELLOW, "center") kp = [ ("Gram +ve: PURPLE stain", "Thick peptidoglycan (20-80nm) retains crystal violet-iodine complex", YELLOW), ("Gram -ve: PINK/RED stain", "Thin PG (2-7nm) + Outer membrane (LPS) - loses stain on decolorisation", PINK), ("Gen. time E. coli", "~20 minutes | Mycobacterium tuberculosis: ~20 HOURS (very slow!)", CYAN), ("Autoclave sterilisation", "121 deg C / 15 psi / 15 min - kills ALL including heat-resistant endospores", GREEN), ("Best long-term preservation", "Lyophilisation (freeze-drying) and Liquid Nitrogen (-196 deg C)", ORANGE), ("Phase contrast microscopy", "Best for LIVING, UNSTAINED specimens - no fixation needed", PURPLE), ("Dark-field microscopy", "Used for Treponema pallidum - too thin to be seen by bright-field", TEAL), ("IMViC for E. coli", "Pattern: + + - - (Indole+, MR+, VP-, Citrate-)", RED), ] kpy = y2-32 for kpn,kpd,col in kp: c.setFillColor(YELLOW); c.circle(28, kpy+4, 3, fill=1, stroke=0) c.setFillColor(col); c.setFont("Helvetica-Bold", 8.5); c.drawString(35, kpy, kpn+": ") xo3 = 35+c.stringWidth(kpn+": ","Helvetica-Bold",8.5) t(c, kpd, xo3, kpy, "Helvetica", 8.5, WHITE) kpy -= 14 c.showPage() # ── PAGE 14: MIND MAP / BACK COVER ─────────────────────────────────────────── def p14(c): hdr(c, 14, "Complete Unit 1 - Mind Map & Quick Visual Revision") y = H-60 rr(c, 18, y-28, W-36, 28, DARKCARD, CYAN, 6) t(c, "UNIT 1 - COMPLETE MIND MAP (Quick Visual Revision)", W/2, y-18, "Helvetica-Bold", 13, CYAN, "center") y -= 44 mcx, mcy = W/2, y-270 # central box rr(c, mcx-70, mcy-20, 140, 40, DARKCARD, YELLOW, 10, 2) t(c, "UNIT 1", mcx, mcy+4, "Helvetica-Bold", 15, YELLOW, "center") t(c, "Pharma Micro", mcx, mcy-10, "Helvetica-Bold", 8.5, CYAN, "center") branches2 = [ (mcx, mcy+160, "INTRO &\nHISTORY", CYAN, ["Leeuwenhoek 1674","Koch/Pasteur 1870s","Fleming 1928 Penicillin"]), (mcx+175, mcy+95, "PROKARYOTES\nvs EUKARYOTES", GREEN, ["No true nucleus","70S ribosomes","Binary fission"]), (mcx+210, mcy-30, "BACTERIAL\nSTRUCTURE", ORANGE, ["Capsule,CW,CM","Nucleoid,Plasmid","Flagella,Pili,Spore"]), (mcx+155, mcy-160, "STAINING\nMETHODS", PINK, ["Gram: CV->I->Decolorise->Saf","Acid-Fast: ZN stain","G+ve=purple; G-ve=red"]), (mcx, mcy-215, "GROWTH\nCURVE", RED, ["Lag->Log->Stat->Death","N=N0 x 2^n","E.coli gentime ~20min"]), (mcx-155, mcy-160, "CULTURE\nMEDIA", TEAL, ["Selective,Differential","Enriched,Transport","McConkey,Blood Agar"]), (mcx-210, mcy-30, "PRESERVATION", PURPLE, ["Lyophilisation","Glycerol -80 deg C","L-N2 indefinite"]), (mcx-175, mcy+95, "MICROSCOPY", YELLOW, ["Phase: living cells","Dark-field: Treponema","EM: viruses,0.1nm res"]), ] for bx,by,label,col,subs in branches2: # connecting line c.setStrokeColor(col); c.setLineWidth(1.8) c.line(mcx, mcy, bx, by) c.setFillColor(col); c.circle(bx, by, 3.5, fill=1, stroke=0) # label box bwm = 110; bhm = 30 if "\n" not in label else 36 rr(c, bx-bwm/2, by-bhm/2, bwm, bhm, CARD, col, 6) for li,line in enumerate(label.split("\n")): oy_m = 6 if "\n" in label else 0 t(c, line, bx, by+oy_m-li*13, "Helvetica-Bold", 8.5, col, "center") # sub items ang = math.atan2(by-mcy, bx-mcx) sx2 = bx+68*math.cos(ang); sy3 = by+68*math.sin(ang) for si,sub in enumerate(subs): c.setFillColor(WHITE); c.setFont("Helvetica", 6.5) c.drawCentredString(sx2, sy3+10-si*11, "• "+sub) # bottom strip rr(c, 18, 18, W-36, 42, DARKCARD, CYAN, 8) t(c, "Sources: Jawetz Medical Microbiology 28e | Murray Medical Microbiology 9e | PCI BP303T Syllabus", W/2, 46, "Helvetica", 7.5, colors.HexColor("#8B949E"), "center") t(c, "Best of Luck for Your Exams! Study Smart - You've Got This!", W/2, 28, "Helvetica-Bold", 9.5, YELLOW, "center") c.showPage() # ── MAIN ────────────────────────────────────────────────────────────────────── out = "/home/daytona/workspace/micro-notes/Pharma_Microbiology_Unit1_Notes.pdf" c = canvas.Canvas(out, pagesize=A4) c.setTitle("BP303T Pharmaceutical Microbiology Unit 1 - Study Notes") c.setAuthor("Orris AI Study Assistant") p1(c); p2(c); p3(c); p4(c); p5(c); p6(c); p7(c) p8(c); p9(c); p10(c); p11(c); p12(c); p13(c); p14(c) c.save() import os sz = os.path.getsize(out) with open(out,'rb') as f: data = f.read() print(f"File: {out}") print(f"Size: {sz/1024:.1f} KB") print(f"Valid PDF: {data[:5] == b'%PDF-'}") print(f"Has EOF: {b'%%EOF' in data}") print("DONE - 14 pages generated successfully") PYEOF

cat << 'PYEOF' > /home/daytona/workspace/micro-notes/build_html.py # Build a rich HTML study notes page - opens in any browser content = '''<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>BP303T Pharmaceutical Microbiology - Unit 1 Study Notes</title> <style> @import url('https://fonts.googleapis.com/css2?family=Caveat:wght@400;600;700&family=Nunito:wght@400;600;700;800&display=swap'); *{box-sizing:border-box;margin:0;padding:0} body{background:#0D1117;color:#E6EDF3;font-family:'Nunito',sans-serif;line-height:1.6;padding:20px} .page{max-width:900px;margin:0 auto} /* COVER */ .cover{background:linear-gradient(135deg,#0D1117 0%,#161B22 50%,#1C2128 100%); border:2px solid #FFD700;border-radius:20px;padding:40px;text-align:center;margin-bottom:30px} .cover h1{font-family:'Caveat',cursive;font-size:2.8em;color:#FFD700;margin-bottom:10px} .cover h2{font-size:1.3em;color:#00E5FF;margin-bottom:15px} .cover .divider{border:none;border-top:2px solid #FF8C00;margin:15px auto;width:70%} .cover h3{font-size:1.6em;color:#FF8C00;margin-bottom:8px} .cover p{color:#E6EDF3;font-size:1em} .topic-list{background:#161B22;border:1px solid #30363D;border-radius:12px;padding:20px; margin:20px auto;text-align:left;max-width:600px} .topic-list h4{color:#00E5FF;text-align:center;margin-bottom:12px;font-size:1.1em} .topic-item{display:flex;align-items:center;margin:8px 0} .topic-num{background:#FFD700;color:#0D1117;border-radius:4px;padding:2px 8px; font-weight:700;font-size:0.85em;margin-right:10px;min-width:32px;text-align:center} .sources{background:#1C2128;border:1px solid #00E5FF;border-radius:10px; padding:12px;margin-top:20px;font-size:0.85em;color:#8B949E;text-align:center} /* SECTION HEADERS */ .section-header{background:#1C2128;border-radius:8px;padding:10px 18px; margin:30px 0 15px 0;font-family:'Caveat',cursive;font-size:1.7em;font-weight:700} .sh-yellow{border-left:5px solid #FFD700;color:#FFD700} .sh-cyan{border-left:5px solid #00E5FF;color:#00E5FF} .sh-green{border-left:5px solid #39FF14;color:#39FF14} .sh-pink{border-left:5px solid #FF6B9D;color:#FF6B9D} .sh-orange{border-left:5px solid #FF8C00;color:#FF8C00} .sh-purple{border-left:5px solid #BF5FFF;color:#BF5FFF} .sh-teal{border-left:5px solid #20C997;color:#20C997} .sh-red{border-left:5px solid #FF4500;color:#FF4500} /* CARDS */ .card{background:#161B22;border-radius:12px;padding:18px;margin:12px 0} .card-yellow{border:1.5px solid #FFD700} .card-cyan{border:1.5px solid #00E5FF} .card-green{border:1.5px solid #39FF14} .card-pink{border:1.5px solid #FF6B9D} .card-orange{border:1.5px solid #FF8C00} .card-purple{border:1.5px solid #BF5FFF} .card-teal{border:1.5px solid #20C997} .card-red{border:1.5px solid #FF4500} .card-blue{border:1.5px solid #58A6FF} /* DEFINITION BOX */ .def-box{background:#1A1020;border:1.5px solid #FF6B9D;border-radius:10px;padding:15px;margin:12px 0} .def-label{color:#FF6B9D;font-weight:700;font-size:1em;margin-bottom:6px} /* STATS ROW */ .stats-row{display:flex;gap:10px;margin:15px 0;flex-wrap:wrap} .stat-box{flex:1;min-width:120px;background:#161B22;border-radius:10px;padding:14px;text-align:center} .stat-val{font-family:'Caveat',cursive;font-size:2em;font-weight:700} .stat-lab{font-size:0.8em;color:#E6EDF3;margin-top:4px} /* TIMELINE */ .timeline{position:relative;margin:15px 0} .tl-item{display:flex;align-items:flex-start;margin:10px 0;position:relative} .tl-dot{width:12px;height:12px;border-radius:50%;margin-right:12px;margin-top:5px;flex-shrink:0} .tl-year{font-weight:700;min-width:58px;font-size:0.9em} .tl-person{font-weight:700;margin-right:8px;font-size:0.9em} .tl-text{font-size:0.9em;color:#E6EDF3} /* TABLE */ table{width:100%;border-collapse:collapse;margin:12px 0;font-size:0.88em} th{background:#1F2937;padding:10px 8px;text-align:left;font-weight:700} td{padding:9px 8px;border-bottom:1px solid #30363D} tr:nth-child(even) td{background:#1A2030} tr:nth-child(odd) td{background:#161B22} /* FLOWCHART */ .flowchart{display:flex;flex-direction:column;align-items:center;margin:15px 0} .fc-step{border-radius:8px;padding:10px 20px;margin:4px 0;text-align:center; font-weight:600;font-size:0.92em;width:90%;max-width:480px} .fc-arrow{font-size:1.4em;color:#E6EDF3;margin:2px 0;line-height:1} .fc-branch{display:flex;gap:20px;justify-content:center;margin:8px 0;width:100%;flex-wrap:wrap} .fc-result{border-radius:8px;padding:12px 16px;text-align:center;flex:1;min-width:180px;max-width:240px} /* GRID 2-COL */ .grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:12px 0} .grid3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:10px;margin:12px 0} @media(max-width:600px){.grid2{grid-template-columns:1fr}.grid3{grid-template-columns:1fr}} /* BULLET ITEM */ .bullet{display:flex;align-items:flex-start;margin:6px 0} .bullet-dot{width:9px;height:9px;border-radius:50%;margin-right:10px;margin-top:6px;flex-shrink:0} .bullet-text{font-size:0.9em} /* MINI CARD */ .mini-card{background:#161B22;border-radius:8px;padding:12px 14px} .mini-title{font-weight:700;font-size:0.95em;margin-bottom:6px} /* GROWTH CURVE SVG */ .svg-wrap{background:#161B22;border:1.5px solid #30363D;border-radius:12px;padding:16px;margin:15px 0;overflow-x:auto} /* MEMORY TIP */ .memory{background:#001A0A;border:1.5px solid #39FF14;border-radius:8px;padding:12px;margin:12px 0} .memory-title{color:#39FF14;font-weight:700;margin-bottom:6px} /* IMPORTANT BOX */ .important{background:#0D1520;border:1.5px solid #FFD700;border-radius:10px;padding:14px;margin:15px 0} .important-title{color:#FFD700;font-weight:700;font-size:1.05em;margin-bottom:8px} .imp-item{display:flex;margin:6px 0;font-size:0.9em} .imp-bullet{color:#FFD700;margin-right:8px;flex-shrink:0} /* BACTERIA DIAGRAM */ .diagram-wrap{background:#0D1117;border:1px solid #30363D;border-radius:12px; padding:20px;margin:15px 0;text-align:center} .diagram-caption{color:#6E7681;font-size:0.82em;margin-top:10px;font-style:italic} /* SEPARATOR */ .sep{border:none;border-top:1px solid #30363D;margin:25px 0} /* PAGE BREAK HINT (print) */ @media print{ body{background:#0D1117;-webkit-print-color-adjust:exact;print-color-adjust:exact} .cover,.section-header{page-break-before:auto} } </style> </head> <body> <div class="page"> <!-- ═══ COVER ═══ --> <div class="cover"> <div style="color:#39FF14;font-size:0.9em;margin-bottom:8px">B.Pharm | 3rd Semester | BP303T</div> <h1>&#x1F9EC; Pharmaceutical Microbiology</h1> <h2>UNIT I &nbsp;&mdash;&nbsp; Complete Study Notes</h2> <hr class="divider"> <h3>As per PCI Syllabus &nbsp;(BP303T &nbsp;|&nbsp; 10 Hours)</h3> <p style="color:#20C997;margin-top:8px">Dark Theme &nbsp;&#x2022;&nbsp; Colourful &nbsp;&#x2022;&nbsp; Diagrams &nbsp;&#x2022;&nbsp; Flowcharts &nbsp;&#x2022;&nbsp; Easy Revision</p> <div class="topic-list"> <h4>&#x1F4CB; TOPICS COVERED IN UNIT 1</h4> <div class="topic-item"><span class="topic-num" style="background:#FFD700">01</span><span>Introduction, History &amp; Branches of Microbiology</span></div> <div class="topic-item"><span class="topic-num" style="background:#00E5FF">02</span><span>Introduction to Prokaryotes &amp; Eukaryotes</span></div> <div class="topic-item"><span class="topic-num" style="background:#39FF14;color:#000">03</span><span>Ultrastructure &amp; Morphological Classification of Bacteria</span></div> <div class="topic-item"><span class="topic-num" style="background:#FF6B9D">04</span><span>Nutritional Requirements &amp; Culture Media</span></div> <div class="topic-item"><span class="topic-num" style="background:#FF8C00">05</span><span>Physical Parameters for Bacterial Growth</span></div> <div class="topic-item"><span class="topic-num" style="background:#BF5FFF">06</span><span>Bacterial Growth Curve (4 Phases)</span></div> <div class="topic-item"><span class="topic-num" style="background:#20C997">07</span><span>Isolation &amp; Preservation of Pure Cultures</span></div> <div class="topic-item"><span class="topic-num" style="background:#58A6FF">08</span><span>Cultivation of Anaerobes</span></div> <div class="topic-item"><span class="topic-num" style="background:#FF4500">09</span><span>Quantitative Measurement of Bacterial Growth</span></div> <div class="topic-item"><span class="topic-num" style="background:#39FF14;color:#000">10</span><span>Types of Microscopy (Phase, Dark-Field, Electron)</span></div> </div> <div class="sources"> &#x1F4DA; Sources: Jawetz Medical Microbiology 28e &nbsp;|&nbsp; Murray Medical Microbiology 9e &nbsp;|&nbsp; Sherris &amp; Ryan 8e &nbsp;|&nbsp; PCI BP303T Syllabus </div> </div> <!-- ═══ SECTION 1: INTRODUCTION ═══ --> <div class="section-header sh-yellow">&#x1F52C; 1. Introduction &amp; History of Microbiology</div> <div class="def-box"> <div class="def-label">&#x1F4D6; DEFINITION</div> Microbiology is the study of <strong style="color:#FF6B9D">microorganisms</strong> &mdash; a large, diverse group of microscopic organisms that exist as single cells or cell clusters, including viruses. They impact all life and the physical/chemical makeup of our planet. <strong style="color:#00E5FF">50&ndash;60% of cells in the human body are microbes</strong>; the human gut contains ~1 kg of bacteria. </div> <div class="stats-row"> <div class="stat-box" style="border:1.5px solid #00E5FF"> <div class="stat-val" style="color:#00E5FF">5&times;10&sup3;&deg;</div> <div class="stat-lab">Microbial cells on Earth</div> </div> <div class="stat-box" style="border:1.5px solid #FF6B9D"> <div class="stat-val" style="color:#FF6B9D">8%</div> <div class="stat-lab">Human DNA from viral remnants</div> </div> <div class="stat-box" style="border:1.5px solid #39FF14"> <div class="stat-val" style="color:#39FF14">50&ndash;60%</div> <div class="stat-lab">Body cells that are microbes</div> </div> <div class="stat-box" style="border:1.5px solid #FF8C00"> <div class="stat-val" style="color:#FF8C00">1 kg</div> <div class="stat-lab">Gut bacteria weight in humans</div> </div> </div> <div class="card card-cyan"> <div style="color:#00E5FF;font-weight:700;font-size:1.05em;margin-bottom:12px">&#x1F4C5; HISTORICAL MILESTONES</div> <div class="timeline"> <div class="tl-item"><div class="tl-dot" style="background:#FFD700"></div><span class="tl-year" style="color:#FFD700">1674</span><span class="tl-person" style="color:#FFD700">Leeuwenhoek:</span><span class="tl-text">Discovered microorganisms (&ldquo;animalcules&rdquo;) with ground microscopic lenses</span></div> <div class="tl-item"><div class="tl-dot" style="background:#39FF14"></div><span class="tl-year" style="color:#39FF14">1798</span><span class="tl-person" style="color:#39FF14">Jenner:</span><span class="tl-text">Developed smallpox vaccine &mdash; first vaccine in history</span></div> <div class="tl-item"><div class="tl-dot" style="background:#00E5FF"></div><span class="tl-year" style="color:#00E5FF">1840</span><span class="tl-person" style="color:#00E5FF">Henle:</span><span class="tl-text">Proposed Germ Theory &mdash; microbes cause human disease</span></div> <div class="tl-item"><div class="tl-dot" style="background:#FF6B9D"></div><span class="tl-year" style="color:#FF6B9D">1870s</span><span class="tl-person" style="color:#FF6B9D">Koch &amp; Pasteur:</span><span class="tl-text">Proved germ theory; anthrax, cholera, TB, rabies confirmed</span></div> <div class="tl-item"><div class="tl-dot" style="background:#FF8C00"></div><span class="tl-year" style="color:#FF8C00">1910</span><span class="tl-person" style="color:#FF8C00">Ehrlich:</span><span class="tl-text">Discovered Salvarsan &mdash; first antibacterial agent (against syphilis)</span></div> <div class="tl-item"><div class="tl-dot" style="background:#39FF14"></div><span class="tl-year" style="color:#39FF14">1928</span><span class="tl-person" style="color:#39FF14">Fleming:</span><span class="tl-text">Discovered <strong>Penicillin</strong> from <em>Penicillium notatum</em></span></div> <div class="tl-item"><div class="tl-dot" style="background:#BF5FFF"></div><span class="tl-year" style="color:#BF5FFF">1935</span><span class="tl-person" style="color:#BF5FFF">Domagk:</span><span class="tl-text">Discovered Sulfanilamide &mdash; first sulfa drug</span></div> <div class="tl-item"><div class="tl-dot" style="background:#20C997"></div><span class="tl-year" style="color:#20C997">1943</span><span class="tl-person" style="color:#20C997">Waksman:</span><span class="tl-text">Discovered <strong>Streptomycin</strong> &mdash; first anti-TB antibiotic</span></div> <div class="tl-item"><div class="tl-dot" style="background:#FF4500"></div><span class="tl-year" style="color:#FF4500">1946</span><span class="tl-person" style="color:#FF4500">Enders:</span><span class="tl-text">First cultured viruses in cell cultures &rarr; vaccine production era began</span></div> </div> </div> <div class="card card-green"> <div style="color:#39FF14;font-weight:700;margin-bottom:10px">&#x1F33F; BRANCHES OF MICROBIOLOGY</div> <div class="grid2"> <div class="bullet"><div class="bullet-dot" style="background:#00E5FF"></div><div class="bullet-text"><strong style="color:#00E5FF">Bacteriology</strong> &mdash; Study of bacteria</div></div> <div class="bullet"><div class="bullet-dot" style="background:#FF6B9D"></div><div class="bullet-text"><strong style="color:#FF6B9D">Virology</strong> &mdash; Study of viruses</div></div> <div class="bullet"><div class="bullet-dot" style="background:#FF8C00"></div><div class="bullet-text"><strong style="color:#FF8C00">Mycology</strong> &mdash; Study of fungi</div></div> <div class="bullet"><div class="bullet-dot" style="background:#BF5FFF"></div><div class="bullet-text"><strong style="color:#BF5FFF">Parasitology</strong> &mdash; Study of parasites</div></div> <div class="bullet"><div class="bullet-dot" style="background:#20C997"></div><div class="bullet-text"><strong style="color:#20C997">Immunology</strong> &mdash; Study of immune responses</div></div> <div class="bullet"><div class="bullet-dot" style="background:#FFD700"></div><div class="bullet-text"><strong style="color:#FFD700">Pharmaceutical Microbiology</strong> &mdash; Microbes in drug production &amp; QC</div></div> </div> </div> <!-- ═══ SECTION 2: PROKARYOTES vs EUKARYOTES ═══ --> <div class="section-header sh-cyan">&#x1F9EC; 2. Prokaryotes vs Eukaryotes</div> <div style="overflow-x:auto"> <table> <thead><tr> <th style="color:#FF8C00">Feature</th> <th style="color:#00E5FF">PROKARYOTES</th> <th style="color:#FF6B9D">EUKARYOTES</th> </tr></thead> <tbody> <tr><td style="color:#FF8C00">Nucleus</td><td style="color:#39FF14">Absent (nucleoid region)</td><td style="color:#58A6FF">True membrane-bound nucleus</td></tr> <tr><td style="color:#FF8C00">Size</td><td style="color:#39FF14">0.1 &ndash; 10 &mu;m</td><td style="color:#58A6FF">10 &ndash; 100 &mu;m</td></tr> <tr><td style="color:#FF8C00">Cell Wall</td><td style="color:#39FF14">Peptidoglycan (murein)</td><td style="color:#58A6FF">Chitin/cellulose or absent</td></tr> <tr><td style="color:#FF8C00">Organelles</td><td style="color:#39FF14">Absent</td><td style="color:#58A6FF">ER, Mitochondria, Golgi etc.</td></tr> <tr><td style="color:#FF8C00">Ribosomes</td><td style="color:#39FF14">70S (50S + 30S)</td><td style="color:#58A6FF">80S (60S + 40S)</td></tr> <tr><td style="color:#FF8C00">DNA</td><td style="color:#39FF14">Single circular, no histones</td><td style="color:#58A6FF">Linear chromosomes + histones</td></tr> <tr><td style="color:#FF8C00">Reproduction</td><td style="color:#39FF14">Binary fission</td><td style="color:#58A6FF">Mitosis / Meiosis</td></tr> <tr><td style="color:#FF8C00">Flagella</td><td style="color:#39FF14">Simple &mdash; Flagellin protein</td><td style="color:#58A6FF">Complex &mdash; 9+2 microtubules</td></tr> <tr><td style="color:#FF8C00">Examples</td><td style="color:#39FF14">Bacteria, Archaea</td><td style="color:#58A6FF">Fungi, Protozoa, Plants, Animals</td></tr> </tbody> </table> </div> <div class="memory"> <div class="memory-title">&#x1F4A1; MEMORY TIP &mdash; 70S vs 80S Ribosomes</div> <div><strong style="color:#FFD700">Prokaryotes = 70S</strong> &rarr; Targeted by: Aminoglycosides, Macrolides, Chloramphenicol, Tetracyclines</div> <div style="margin-top:6px"><strong style="color:#00E5FF">Eukaryotes = 80S</strong> &rarr; NOT targeted by most antibiotics (selective toxicity principle)</div> </div> <div class="card card-purple"> <div style="color:#BF5FFF;font-weight:700;margin-bottom:10px">&#x1F48A; PHARMACEUTICAL IMPORTANCE OF MICROORGANISMS</div> <div class="bullet"><div class="bullet-dot" style="background:#FFD700"></div><div class="bullet-text"><strong style="color:#FFD700">Antibiotics:</strong> Penicillin (Penicillium), Streptomycin (Streptomyces griseus), Cephalosporins</div></div> <div class="bullet"><div class="bullet-dot" style="background:#39FF14"></div><div class="bullet-text"><strong style="color:#39FF14">Vitamins:</strong> Riboflavin (B2) by Ashbya gossypii; Vitamin B12 by Pseudomonas</div></div> <div class="bullet"><div class="bullet-dot" style="background:#00E5FF"></div><div class="bullet-text"><strong style="color:#00E5FF">Vaccines:</strong> Bacterial/viral cultures for polio, hepatitis, influenza vaccines</div></div> <div class="bullet"><div class="bullet-dot" style="background:#FF6B9D"></div><div class="bullet-text"><strong style="color:#FF6B9D">Enzymes:</strong> Amylase, Lipase, Protease &mdash; industrial &amp; pharmaceutical use</div></div> <div class="bullet"><div class="bullet-dot" style="background:#FF8C00"></div><div class="bullet-text"><strong style="color:#FF8C00">Fermentation:</strong> Ethanol, Lactic acid, Citric acid, Insulin (E. coli rDNA technology)</div></div> </div> <!-- ═══ SECTION 3: BACTERIAL STRUCTURE ═══ --> <div class="section-header sh-orange">&#x1F52C; 3. Bacterial Ultrastructure &amp; Morphology</div> <!-- SVG BACTERIAL CELL DIAGRAM --> <div class="diagram-wrap"> <div style="color:#FFD700;font-weight:700;margin-bottom:12px">&#x1F4CC; Fig. 1 &mdash; Labelled Diagram of a Bacterial Cell</div> <svg viewBox="0 0 760 420" xmlns="http://www.w3.org/2000/svg" style="max-width:100%;height:auto"> <!-- background --> <rect width="760" height="420" fill="#0D1117" rx="10"/> <!-- capsule --> <ellipse cx="380" cy="210" rx="200" ry="100" fill="none" stroke="#FF8C00" stroke-width="2" stroke-dasharray="8,4"/> <!-- cell wall --> <ellipse cx="380" cy="210" rx="170" ry="78" fill="#2A3D1A" stroke="#39FF14" stroke-width="2.5"/> <!-- cell membrane --> <ellipse cx="380" cy="210" rx="148" ry="62" fill="#102030" stroke="#00E5FF" stroke-width="2"/> <!-- cytoplasm --> <ellipse cx="380" cy="210" rx="132" ry="52" fill="#081520"/> <!-- nucleoid --> <ellipse cx="380" cy="210" rx="45" ry="22" fill="#2A1550" stroke="#BF5FFF" stroke-width="1.5"/> <text x="380" y="207" text-anchor="middle" fill="#BF5FFF" font-size="11" font-weight="bold">Nucleoid</text> <text x="380" y="220" text-anchor="middle" fill="#BF5FFF" font-size="10">(DNA)</text> <!-- ribosomes --> <circle cx="312" cy="215" r="5" fill="#FFD700"/><circle cx="328" cy="200" r="5" fill="#FFD700"/> <circle cx="305" cy="200" r="5" fill="#FFD700"/><circle cx="448" cy="218" r="5" fill="#FFD700"/> <circle cx="460" cy="202" r="5" fill="#FFD700"/><circle cx="444" cy="200" r="5" fill="#FFD700"/> <circle cx="295" cy="218" r="5" fill="#FFD700"/><circle cx="468" cy="215" r="5" fill="#FFD700"/> <!-- plasmid --> <circle cx="430" cy="195" r="13" fill="none" stroke="#FF6B9D" stroke-width="1.5"/> <text x="430" y="193" text-anchor="middle" fill="#FF6B9D" font-size="9">Plas-</text> <text x="430" y="204" text-anchor="middle" fill="#FF6B9D" font-size="9">mid</text> <!-- flagella --> <path d="M548,206 C575,186 592,225 615,208 C638,192 650,225 672,210" fill="none" stroke="#20C997" stroke-width="2.5"/> <path d="M548,218 C572,238 588,208 610,228 C632,248 648,215 668,232" fill="none" stroke="#20C997" stroke-width="2.5"/> <!-- pili --> <line x1="552" y1="210" x2="578" y2="200" stroke="#FF8C00" stroke-width="1.2"/> <line x1="540" y1="185" x2="562" y2="172" stroke="#FF8C00" stroke-width="1.2"/> <line x1="215" y1="185" x2="193" y2="172" stroke="#FF8C00" stroke-width="1.2"/> <line x1="208" y1="210" x2="182" y2="202" stroke="#FF8C00" stroke-width="1.2"/> <line x1="380" y1="134" x2="380" y2="108" stroke="#FF8C00" stroke-width="1.2"/> <line x1="350" y1="136" x2="343" y2="110" stroke="#FF8C00" stroke-width="1.2"/> <line x1="410" y1="136" x2="418" y2="110" stroke="#FF8C00" stroke-width="1.2"/> <!-- LABELS with arrows --> <!-- Capsule --> <line x1="210" y1="112" x2="248" y2="130" stroke="#FF8C00" stroke-width="1.2"/> <circle cx="248" cy="130" r="3" fill="#FF8C00"/> <text x="140" y="110" fill="#FF8C00" font-size="12" font-weight="bold">Capsule /</text> <text x="140" y="124" fill="#FF8C00" font-size="12" font-weight="bold">Slime Layer</text> <!-- Cell Wall --> <line x1="170" y1="195" x2="210" y2="208" stroke="#39FF14" stroke-width="1.2"/> <circle cx="210" cy="208" r="3" fill="#39FF14"/> <text x="20" y="193" fill="#39FF14" font-size="12" font-weight="bold">Cell Wall</text> <text x="20" y="207" fill="#39FF14" font-size="11">(Peptidoglycan)</text> <!-- Cell Membrane --> <line x1="172" y1="228" x2="232" y2="228" stroke="#00E5FF" stroke-width="1.2"/> <circle cx="232" cy="228" r="3" fill="#00E5FF"/> <text x="20" y="228" fill="#00E5FF" font-size="12" font-weight="bold">Cell Membrane</text> <!-- Cytoplasm --> <line x1="330" y1="95" x2="340" y2="158" stroke="#58A6FF" stroke-width="1.2"/> <circle cx="340" cy="158" r="3" fill="#58A6FF"/> <text x="285" y="93" fill="#58A6FF" font-size="12" font-weight="bold">Cytoplasm</text> <!-- Ribosome --> <line x1="460" y1="260" x2="448" y2="230" stroke="#FFD700" stroke-width="1.2"/> <circle cx="448" cy="230" r="3" fill="#FFD700"/> <text x="430" y="275" fill="#FFD700" font-size="12" font-weight="bold">Ribosome (70S)</text> <!-- Flagella --> <line x1="665" y1="175" x2="610" y2="195" stroke="#20C997" stroke-width="1.2"/> <circle cx="610" cy="195" r="3" fill="#20C997"/> <text x="660" y="172" fill="#20C997" font-size="12" font-weight="bold">Flagella</text> <!-- Pili --> <line x1="660" y1="250" x2="550" y2="222" stroke="#FF8C00" stroke-width="1.2"/> <circle cx="550" cy="222" r="3" fill="#FF8C00"/> <text x="630" y="262" fill="#FF8C00" font-size="12" font-weight="bold">Pili / Fimbriae</text> <!-- Plasmid label --> <line x1="480" y1="155" x2="443" y2="182" stroke="#FF6B9D" stroke-width="1.2"/> <circle cx="443" cy="182" r="3" fill="#FF6B9D"/> <text x="478" y="152" fill="#FF6B9D" font-size="12" font-weight="bold">Plasmid</text> </svg> <div class="diagram-caption">Fig. 1 &mdash; Generalised Structure of a Bacterial Cell</div> </div> <div class="card card-cyan"> <div style="color:#00E5FF;font-weight:700;margin-bottom:12px">&#x1F9EC; KEY STRUCTURES &amp; FUNCTIONS</div> <div class="grid2"> <div class="mini-card card-orange"><div class="mini-title" style="color:#FF8C00">Capsule / Slime Layer</div><div style="font-size:0.85em">Polysaccharide/polypeptide. Protects from phagocytosis. <strong style="color:#FF4500">Virulence factor</strong>. Desiccation protection.</div></div> <div class="mini-card card-green"><div class="mini-title" style="color:#39FF14">Cell Wall (Peptidoglycan)</div><div style="font-size:0.85em">Maintains shape. Prevents osmotic lysis. G+ve: thick (20&ndash;80nm); G&minus;ve: thin (2&ndash;7nm) + outer membrane.</div></div> <div class="mini-card card-cyan"><div class="mini-title" style="color:#00E5FF">Cell Membrane</div><div style="font-size:0.85em">Phospholipid bilayer. ATP synthesis, selective permeability, enzyme reactions. Site of electron transport chain.</div></div> <div class="mini-card card-blue"><div class="mini-title" style="color:#58A6FF">Cytoplasm</div><div style="font-size:0.85em">Aqueous sol. 80% water. All metabolic activities. Contains enzymes, nutrients, ribosomes.</div></div> <div class="mini-card card-purple"><div class="mini-title" style="color:#BF5FFF">Nucleoid (DNA)</div><div style="font-size:0.85em">Single circular dsDNA. No nuclear membrane. Controls all cellular activities.</div></div> <div class="mini-card card-pink"><div class="mini-title" style="color:#FF6B9D">Plasmid</div><div style="font-size:0.85em">Extra-chromosomal circular DNA. Carries <strong style="color:#FF4500">antibiotic resistance genes</strong>, virulence factors. Not essential.</div></div> <div class="mini-card card-yellow"><div class="mini-title" style="color:#FFD700">Ribosomes (70S)</div><div style="font-size:0.85em">50S + 30S subunits. Protein synthesis. <strong style="color:#FF4500">Antibiotic targets</strong>: aminoglycosides (30S), macrolides (50S).</div></div> <div class="mini-card card-teal"><div class="mini-title" style="color:#20C997">Flagella</div><div style="font-size:0.85em">Motility. Flagellin protein. Types: <em>Monotrichous, Lophotrichous, Amphitrichous, Peritrichous</em>.</div></div> <div class="mini-card card-orange"><div class="mini-title" style="color:#FF8C00">Pili / Fimbriae</div><div style="font-size:0.85em">Fimbriae = adhesion to host cells. Sex pili = conjugation/DNA transfer between bacteria.</div></div> <div class="mini-card card-red"><div class="mini-title" style="color:#FF4500">Endospore</div><div style="font-size:0.85em">Dormant, resistant structure. Formed by <em>Bacillus</em> &amp; <em>Clostridium</em>. Resists heat, radiation, chemicals. Autoclave kills it.</div></div> </div> </div> <!-- MORPHOLOGICAL CLASSIFICATION --> <div class="card card-pink" style="margin-top:15px"> <div style="color:#FF6B9D;font-weight:700;margin-bottom:12px">&#x1F4CC; MORPHOLOGICAL CLASSIFICATION OF BACTERIA</div> <div class="grid3"> <div class="mini-card card-cyan"> <div class="mini-title" style="color:#00E5FF">&#x1F535; COCCI (Spherical)</div> <div class="bullet"><div class="bullet-dot" style="background:#00E5FF"></div><div class="bullet-text">Diplococcus &mdash; pairs (S. pneumoniae)</div></div> <div class="bullet"><div class="bullet-dot" style="background:#00E5FF"></div><div class="bullet-text">Streptococcus &mdash; chains</div></div> <div class="bullet"><div class="bullet-dot" style="background:#00E5FF"></div><div class="bullet-text">Staphylococcus &mdash; grape clusters</div></div> <div class="bullet"><div class="bullet-dot" style="background:#00E5FF"></div><div class="bullet-text">Tetrad &mdash; groups of 4</div></div> <div class="bullet"><div class="bullet-dot" style="background:#00E5FF"></div><div class="bullet-text">Sarcinae &mdash; cuboidal packets of 8</div></div> </div> <div class="mini-card card-orange"> <div class="mini-title" style="color:#FF8C00">&#x1F534; BACILLI (Rod-shaped)</div> <div class="bullet"><div class="bullet-dot" style="background:#FF8C00"></div><div class="bullet-text">Diplobacillus &mdash; pairs</div></div> <div class="bullet"><div class="bullet-dot" style="background:#FF8C00"></div><div class="bullet-text">Streptobacillus &mdash; chains</div></div> <div class="bullet"><div class="bullet-dot" style="background:#FF8C00"></div><div class="bullet-text">Palisade &mdash; side by side</div></div> <div class="bullet"><div class="bullet-dot" style="background:#FF8C00"></div><div class="bullet-text">Coccobacillus &mdash; short oval rods</div></div> <div class="bullet"><div class="bullet-dot" style="background:#FF8C00"></div><div class="bullet-text">e.g. E. coli, Bacillus anthracis</div></div> </div> <div class="mini-card card-purple"> <div class="mini-title" style="color:#BF5FFF">&#x1F300; SPIRAL &amp; OTHERS</div> <div class="bullet"><div class="bullet-dot" style="background:#BF5FFF"></div><div class="bullet-text">Vibrio &mdash; comma-shaped (V. cholerae)</div></div> <div class="bullet"><div class="bullet-dot" style="background:#BF5FFF"></div><div class="bullet-text">Spirillum &mdash; rigid spiral</div></div> <div class="bullet"><div class="bullet-dot" style="background:#BF5FFF"></div><div class="bullet-text">Spirochete &mdash; flexible (Treponema)</div></div> <div class="bullet"><div class="bullet-dot" style="background:#BF5FFF"></div><div class="bullet-text">Actinomyces &mdash; branching filaments</div></div> <div class="bullet"><div class="bullet-dot" style="background:#BF5FFF"></div><div class="bullet-text">Pleomorphic &mdash; variable shapes</div></div> </div> </div> </div> <!-- ═══ SECTION 4: GRAM STAINING ═══ --> <div class="section-header sh-green">&#x1F52C; 4. Gram Staining &mdash; Step-by-Step Flowchart</div> <div class="flowchart"> <div class="fc-step" style="background:#1F2937;border:2px solid #FFD700;color:#FFD700">&#x1F525; HEAT-FIX the bacterial smear on glass slide (pass through flame 2&ndash;3 times)</div> <div class="fc-arrow">&#x2B07;</div> <div class="fc-step" style="background:#2D1B4E;border:2px solid #BF5FFF;color:#BF5FFF">Apply <strong>CRYSTAL VIOLET</strong> (Primary Stain) &mdash; 1 minute</div> <div class="fc-arrow">&#x2B07;</div> <div class="fc-step" style="background:#1A2F1A;border:2px solid #39FF14;color:#39FF14">Apply <strong>GRAM&rsquo;S IODINE</strong> (Mordant &mdash; fixes the stain) &mdash; 1 minute</div> <div class="fc-arrow">&#x2B07;</div> <div class="fc-step" style="background:#2F1A1A;border:2px solid #FF4500;color:#FF4500">&#x26A0; <strong>DECOLOURISE</strong> with 95% Alcohol / Acetone &mdash; 30 seconds</div> <div class="fc-arrow">&#x2B07;</div> <div class="fc-step" style="background:#2F1520;border:2px solid #FF6B9D;color:#FF6B9D">Apply <strong>SAFRANIN</strong> (Counterstain) &mdash; 1 minute</div> <div class="fc-arrow">&#x2B07;</div> <div class="fc-step" style="background:#1A2030;border:2px solid #00E5FF;color:#00E5FF">WASH with water &rarr; AIR DRY &rarr; OBSERVE under microscope</div> <div class="fc-arrow">&#x2B07;</div> <div class="fc-branch"> <div class="fc-result" style="background:#1A2F1A;border:2px solid #39FF14"> <div style="color:#39FF14;font-weight:700;font-size:1.05em">GRAM POSITIVE (+ve)</div> <div style="color:#FFD700;margin:6px 0">Stains <strong>PURPLE / VIOLET</strong></div> <div style="font-size:0.85em">Thick peptidoglycan (20&ndash;80 nm)</div> <div style="color:#20C997;font-size:0.82em;margin-top:6px">e.g. Staphylococcus aureus<br>Streptococcus pyogenes<br>Bacillus anthracis</div> </div> <div class="fc-result" style="background:#2F1A1A;border:2px solid #FF6B9D"> <div style="color:#FF6B9D;font-weight:700;font-size:1.05em">GRAM NEGATIVE (&minus;ve)</div> <div style="color:#FF8C00;margin:6px 0">Stains <strong>PINK / RED</strong></div> <div style="font-size:0.85em">Thin PG (2&ndash;7 nm) + Outer membrane</div> <div style="color:#20C997;font-size:0.82em;margin-top:6px">e.g. Escherichia coli<br>Klebsiella pneumoniae<br>Vibrio cholerae</div> </div> </div> </div> <!-- ═══ SECTION 5: CULTURE MEDIA ═══ --> <div class="section-header sh-orange">&#x1F9EB; 5. Nutritional Requirements &amp; Culture Media</div> <div class="card card-yellow"> <div style="color:#FFD700;font-weight:700;margin-bottom:10px">&#x1F9EA; NUTRITIONAL REQUIREMENTS OF BACTERIA</div> <div class="bullet"><div class="bullet-dot" style="background:#00E5FF"></div><div class="bullet-text"><strong style="color:#00E5FF">Carbon Source:</strong> Organic (heterotrophs) or CO&sub2; (autotrophs) &rarr; Energy &amp; structural molecules</div></div> <div class="bullet"><div class="bullet-dot" style="background:#39FF14"></div><div class="bullet-text"><strong style="color:#39FF14">Nitrogen Source:</strong> NH&sub3;, nitrates, amino acids, peptones &rarr; Protein &amp; nucleic acid synthesis</div></div> <div class="bullet"><div class="bullet-dot" style="background:#FF6B9D"></div><div class="bullet-text"><strong style="color:#FF6B9D">Minerals/Salts:</strong> S, P, K, Mg, Ca, Fe + trace elements &rarr; Enzyme cofactors, structural roles</div></div> <div class="bullet"><div class="bullet-dot" style="background:#FF8C00"></div><div class="bullet-text"><strong style="color:#FF8C00">Water:</strong> 70&ndash;80% of cell weight &rarr; Universal solvent for all biochemical reactions</div></div> <div class="bullet"><div class="bullet-dot" style="background:#BF5FFF"></div><div class="bullet-text"><strong style="color:#BF5FFF">Growth Factors:</strong> Vitamins, amino acids needed by auxotrophs from environment</div></div> </div> <div class="card card-cyan"> <div style="color:#00E5FF;font-weight:700;margin-bottom:12px">&#x1F9AB; TYPES OF CULTURE MEDIA</div> <div style="color:#FF8C00;font-weight:700;margin:8px 0 6px">BY PHYSICAL STATE:</div> <div class="grid3"> <div class="mini-card card-orange"><div class="mini-title" style="color:#FF8C00">Liquid (Broth)</div><div style="font-size:0.83em">No agar. e.g. Nutrient Broth, Peptone water. For turbidity, fermentation studies.</div></div> <div class="mini-card card-yellow"><div class="mini-title" style="color:#FFD700">Semi-solid</div><div style="font-size:0.83em">0.2&ndash;0.5% agar. Used for motility testing (hanging drop method).</div></div> <div class="mini-card card-green"><div class="mini-title" style="color:#39FF14">Solid</div><div style="font-size:0.83em">1.5&ndash;2% agar. Nutrient Agar, Blood Agar. For isolation of pure cultures.</div></div> </div> <div style="color:#39FF14;font-weight:700;margin:12px 0 6px">BY PURPOSE / FUNCTION:</div> <div class="grid2"> <div class="mini-card card-cyan"><div class="mini-title" style="color:#00E5FF">Basal/Simple Media</div><div style="font-size:0.83em">Nutrient Agar, Nutrient Broth. Supports non-fastidious organisms. Basic growth.</div></div> <div class="mini-card card-pink"><div class="mini-title" style="color:#FF6B9D">Enriched Media</div><div style="font-size:0.83em">Blood Agar, Chocolate Agar. Extra nutrients (blood, serum) for fastidious organisms.</div></div> <div class="mini-card card-purple"><div class="mini-title" style="color:#BF5FFF">Selective Media</div><div style="font-size:0.83em">MacConkey, TCBS. Contains inhibitors. Selects specific organisms; inhibits others.</div></div> <div class="mini-card card-orange"><div class="mini-title" style="color:#FF8C00">Differential Media</div><div style="font-size:0.83em">Blood Agar (haemolysis), MacConkey (lactose fermenters vs non-fermenters).</div></div> <div class="mini-card card-teal"><div class="mini-title" style="color:#20C997">Transport Media</div><div style="font-size:0.83em">Stuart&rsquo;s, Amies medium. Preserves viability during specimen transport.</div></div> <div class="mini-card card-red"><div class="mini-title" style="color:#FF4500">Reducing Media</div><div style="font-size:0.83em">Thioglycollate broth. Removes O&sub2; &rarr; for anaerobic organisms.</div></div> </div> </div> <div class="card card-purple"> <div style="color:#BF5FFF;font-weight:700;margin-bottom:10px">&#x1F321;&#xFE0F; PHYSICAL PARAMETERS FOR BACTERIAL GROWTH</div> <div class="bullet"><div class="bullet-dot" style="background:#FF8C00"></div><div class="bullet-text"><strong style="color:#FF8C00">Temperature:</strong> Psychrophiles: 0&ndash;20&deg;C | Mesophiles: 20&ndash;45&deg;C (pathogens ~37&deg;C) | Thermophiles: 45&ndash;80&deg;C | Hyperthermophiles: &gt;80&deg;C</div></div> <div class="bullet"><div class="bullet-dot" style="background:#00E5FF"></div><div class="bullet-text"><strong style="color:#00E5FF">pH:</strong> Most bacteria: 6.5&ndash;7.5 | Acidophiles: pH&lt;4 (Lactobacillus) | Alkaliphiles: pH&gt;9 (V. cholerae)</div></div> <div class="bullet"><div class="bullet-dot" style="background:#39FF14"></div><div class="bullet-text"><strong style="color:#39FF14">Oxygen:</strong> Obligate aerobe (needs O&sub2;) | Obligate anaerobe (O&sub2; toxic) | Facultative anaerobe (both) | Microaerophile (low O&sub2;)</div></div> <div class="bullet"><div class="bullet-dot" style="background:#FF6B9D"></div><div class="bullet-text"><strong style="color:#FF6B9D">Osmotic Pressure:</strong> Halophiles = high NaCl tolerance. Plasmolysis in hypertonic; Plasmoptysis in hypotonic solutions.</div></div> </div> <!-- ═══ SECTION 6: GROWTH CURVE ═══ --> <div class="section-header sh-green">&#x1F4C8; 6. Bacterial Growth Curve</div> <div class="diagram-wrap"> <div style="color:#39FF14;font-weight:700;margin-bottom:12px">&#x1F4CC; Fig. 2 &mdash; Bacterial Growth Curve (4 Phases)</div> <svg viewBox="0 0 720 360" xmlns="http://www.w3.org/2000/svg" style="max-width:100%;height:auto"> <rect width="720" height="360" fill="#0D1117" rx="8"/> <!-- phase backgrounds --> <rect x="60" y="20" width="96" height="280" fill="#1A1A00" opacity="0.8"/> <rect x="156" y="20" width="192" height="280" fill="#001A00" opacity="0.8"/> <rect x="348" y="20" width="168" height="280" fill="#1A0D00" opacity="0.8"/> <rect x="516" y="20" width="144" height="280" fill="#1A0000" opacity="0.8"/> <!-- grid lines --> <line x1="60" y1="90" x2="660" y2="90" stroke="#30363D" stroke-width="0.5"/> <line x1="60" y1="160" x2="660" y2="160" stroke="#30363D" stroke-width="0.5"/> <line x1="60" y1="230" x2="660" y2="230" stroke="#30363D" stroke-width="0.5"/> <!-- axes --> <line x1="60" y1="300" x2="660" y2="300" stroke="#E6EDF3" stroke-width="2"/> <line x1="60" y1="20" x2="60" y2="300" stroke="#E6EDF3" stroke-width="2"/> <!-- axis labels --> <text x="360" y="340" text-anchor="middle" fill="#E6EDF3" font-size="13" font-weight="bold">Time &#x2192;</text> <text x="20" y="165" text-anchor="middle" fill="#E6EDF3" font-size="11" transform="rotate(-90,20,165)">Log No. Bacteria &#x2192;</text> <!-- Y axis ticks --> <text x="52" y="94" text-anchor="end" fill="#E6EDF3" font-size="9">10&#x2076;</text> <text x="52" y="164" text-anchor="end" fill="#E6EDF3" font-size="9">10&#x2074;</text> <text x="52" y="234" text-anchor="end" fill="#E6EDF3" font-size="9">10&#xb2;</text> <!-- vertical dividers --> <line x1="156" y1="20" x2="156" y2="300" stroke="#30363D" stroke-width="1" stroke-dasharray="5,3"/> <line x1="348" y1="20" x2="348" y2="300" stroke="#30363D" stroke-width="1" stroke-dasharray="5,3"/> <line x1="516" y1="20" x2="516" y2="300" stroke="#30363D" stroke-width="1" stroke-dasharray="5,3"/> <!-- growth curve path --> <path d="M60,260 L156,258 C186,258 220,80 348,76 L516,76 C546,76 560,258 660,240" fill="none" stroke="#00E5FF" stroke-width="3" stroke-linejoin="round"/> <!-- phase labels --> <text x="108" y="320" text-anchor="middle" fill="#FFD700" font-size="11" font-weight="bold">LAG</text> <text x="108" y="332" text-anchor="middle" fill="#FFD700" font-size="10">PHASE</text> <text x="252" y="320" text-anchor="middle" fill="#39FF14" font-size="11" font-weight="bold">LOG</text> <text x="252" y="332" text-anchor="middle" fill="#39FF14" font-size="10">(Exponential)</text> <text x="432" y="320" text-anchor="middle" fill="#FF8C00" font-size="11" font-weight="bold">STATIONARY</text> <text x="432" y="332" text-anchor="middle" fill="#FF8C00" font-size="10">PHASE</text> <text x="588" y="320" text-anchor="middle" fill="#FF4500" font-size="11" font-weight="bold">DEATH</text> <text x="588" y="332" text-anchor="middle" fill="#FF4500" font-size="10">PHASE</text> </svg> <div class="diagram-caption">Fig. 2 &mdash; Bacterial Growth Curve showing all 4 phases</div> </div> <div class="grid2"> <div class="mini-card" style="background:#1A1A00;border:1.5px solid #FFD700;padding:14px"> <div class="mini-title" style="color:#FFD700">1. LAG PHASE</div> <div class="bullet"><div class="bullet-dot" style="background:#FFD700"></div><div class="bullet-text">No increase in cell number; adaptation to environment</div></div> <div class="bullet"><div class="bullet-dot" style="background:#FFD700"></div><div class="bullet-text">Active enzyme &amp; RNA synthesis &mdash; cells prepare for growth</div></div> <div class="bullet"><div class="bullet-dot" style="background:#FFD700"></div><div class="bullet-text">Cells increase in <strong>SIZE</strong>, not in <strong>NUMBER</strong></div></div> <div class="bullet"><div class="bullet-dot" style="background:#FFD700"></div><div class="bullet-text">Duration depends on inoculum age, medium &amp; temperature</div></div> </div> <div class="mini-card" style="background:#001A00;border:1.5px solid #39FF14;padding:14px"> <div class="mini-title" style="color:#39FF14">2. LOG (EXPONENTIAL) PHASE</div> <div class="bullet"><div class="bullet-dot" style="background:#39FF14"></div><div class="bullet-text">Rapid exponential doubling of cell number</div></div> <div class="bullet"><div class="bullet-dot" style="background:#39FF14"></div><div class="bullet-text">E. coli generation time: <strong>~20 minutes</strong></div></div> <div class="bullet"><div class="bullet-dot" style="background:#39FF14"></div><div class="bullet-text">Formula: <strong style="color:#FFD700">N = N&sub0; &times; 2&sup3;</strong> (n = no. of generations)</div></div> <div class="bullet"><div class="bullet-dot" style="background:#39FF14"></div><div class="bullet-text">Most susceptible to <strong>antibiotics</strong> in this phase</div></div> </div> <div class="mini-card" style="background:#1A0D00;border:1.5px solid #FF8C00;padding:14px"> <div class="mini-title" style="color:#FF8C00">3. STATIONARY PHASE</div> <div class="bullet"><div class="bullet-dot" style="background:#FF8C00"></div><div class="bullet-text">Growth rate = Death rate &rarr; population constant</div></div> <div class="bullet"><div class="bullet-dot" style="background:#FF8C00"></div><div class="bullet-text">Nutrients depleted; toxic metabolites accumulate</div></div> <div class="bullet"><div class="bullet-dot" style="background:#FF8C00"></div><div class="bullet-text">Endospore formation begins (Bacillus, Clostridium)</div></div> <div class="bullet"><div class="bullet-dot" style="background:#FF8C00"></div><div class="bullet-text">Secondary metabolites produced (e.g. antibiotics)</div></div> </div> <div class="mini-card" style="background:#1A0000;border:1.5px solid #FF4500;padding:14px"> <div class="mini-title" style="color:#FF4500">4. DEATH (DECLINE) PHASE</div> <div class="bullet"><div class="bullet-dot" style="background:#FF4500"></div><div class="bullet-text">Death rate &gt; Growth rate &rarr; net cell decline</div></div> <div class="bullet"><div class="bullet-dot" style="background:#FF4500"></div><div class="bullet-text">Extreme pH, nutrient exhaustion, toxin accumulation</div></div> <div class="bullet"><div class="bullet-dot" style="background:#FF4500"></div><div class="bullet-text">Log-linear decrease in viable cell count</div></div> <div class="bullet"><div class="bullet-dot" style="background:#FF4500"></div><div class="bullet-text">Some survive as endospores or dormant forms</div></div> </div> </div> <!-- ═══ SECTION 7: ISOLATION ═══ --> <div class="section-header sh-teal">&#x1F9AB; 7. Isolation of Pure Cultures &mdash; Streak Plate Flowchart</div> <div class="flowchart"> <div class="fc-step" style="background:#1C2A30;border:2px solid #20C997;color:#20C997">OBTAIN mixed culture sample in test tube</div> <div class="fc-arrow">&#x2B07;</div> <div class="fc-step" style="background:#1F2A20;border:2px solid #39FF14;color:#39FF14">STERILISE inoculating loop by flaming until red-hot</div> <div class="fc-arrow">&#x2B07;</div> <div class="fc-step" style="background:#2A2A1C;border:2px solid #FFD700;color:#FFD700">STREAK Area 1: 4&ndash;6 parallel streaks (dense inoculation)</div> <div class="fc-arrow">&#x2B07;</div> <div class="fc-step" style="background:#2A201C;border:2px solid #FF8C00;color:#FF8C00">FLAME &amp; COOL loop &rarr; STREAK Area 2: cross Area 1 (dilution)</div> <div class="fc-arrow">&#x2B07;</div> <div class="fc-step" style="background:#2A1C1C;border:2px solid #FF6B9D;color:#FF6B9D">FLAME &amp; COOL loop &rarr; STREAK Area 3: cross Area 2</div> <div class="fc-arrow">&#x2B07;</div> <div class="fc-step" style="background:#1C1C2A;border:2px solid #58A6FF;color:#58A6FF">INCUBATE at 37&deg;C for 24&ndash;48 hours</div> <div class="fc-arrow">&#x2B07;</div> <div class="fc-step" style="background:#1C2A1C;border:2px solid #39FF14;color:#39FF14">&#x1F9AB; Isolated SINGLE COLONIES appear in Areas 3 &amp; 4</div> <div class="fc-arrow">&#x2B07;</div> <div class="fc-step" style="background:#1A1F29;border:2px solid #00E5FF;color:#00E5FF">&#x2705; Sub-culture a single colony &rarr; PURE CULTURE obtained</div> </div> <!-- ═══ SECTION 8: PRESERVATION ═══ --> <div class="section-header sh-pink">&#x1F9CA; 8. Preservation of Pure Cultures</div> <div class="grid2"> <div class="mini-card card-cyan" style="padding:14px"><div class="mini-title" style="color:#00E5FF">Subculturing (Short-term)</div><div style="font-size:0.85em">Transfer to fresh medium every 2&ndash;4 weeks. Simple but risk of contamination &amp; mutation over time.</div></div> <div class="mini-card card-green" style="padding:14px"><div class="mini-title" style="color:#39FF14">Refrigeration 4&deg;C (Short-term)</div><div style="font-size:0.85em">Agar slant sealed with paraffin. Reduces metabolism. Valid for weeks to months.</div></div> <div class="mini-card card-yellow" style="padding:14px"><div class="mini-title" style="color:#FFD700">Glycerol Stocks &minus;80&deg;C (Medium)</div><div style="font-size:0.85em">Mix 15&ndash;20% glycerol with culture. Prevents ice crystal damage. Valid for months to years.</div></div> <div class="mini-card card-orange" style="padding:14px"><div class="mini-title" style="color:#FF8C00">Lyophilisation / Freeze-Drying &#x2B50;&#x2B50; (Long-term)</div><div style="font-size:0.85em">Cells frozen then water removed by sublimation under vacuum. Reconstituted with water. Valid for DECADES. Best method!</div></div> <div class="mini-card card-purple" style="padding:14px"><div class="mini-title" style="color:#BF5FFF">Liquid Nitrogen &minus;196&deg;C &#x2B50;&#x2B50; (Indefinite)</div><div style="font-size:0.85em">Cells in cryoprotectant (DMSO/glycerol). Submerged in liquid N&sub2;. Indefinite storage. Most reliable!</div></div> <div class="mini-card card-teal" style="padding:14px"><div class="mini-title" style="color:#20C997">Mineral Oil Overlay (Medium)</div><div style="font-size:0.85em">Sterile mineral oil added over agar slant. Reduces desiccation &amp; metabolism. Valid 1&ndash;2 years.</div></div> </div> <!-- ANAEROBES --> <div class="section-header sh-red">&#x1F6AB; 9. Cultivation of Anaerobes</div> <div class="grid2"> <div class="mini-card card-red" style="padding:14px"><div class="mini-title" style="color:#FF4500">Thioglycollate Broth</div><div style="font-size:0.85em">Sodium thioglycollate scavenges dissolved O&sub2;. Anaerobes grow at <strong>bottom</strong>; aerobes at <strong>top</strong>; facultatives throughout.</div></div> <div class="mini-card card-orange" style="padding:14px"><div class="mini-title" style="color:#FF8C00">Anaerobic Jar (McIntosh-Fildes)</div><div style="font-size:0.85em">H&sub2;+CO&sub2; gas produced. Palladium catalyst removes O&sub2; by reacting with H&sub2;. Creates anaerobic environment.</div></div> <div class="mini-card card-yellow" style="padding:14px"><div class="mini-title" style="color:#FFD700">GasPak System</div><div style="font-size:0.85em">Commercial sachet generates H&sub2;+CO&sub2;. Palladium catalyst removes O&sub2;. Simple, widely used in clinical labs.</div></div> <div class="mini-card card-purple" style="padding:14px"><div class="mini-title" style="color:#BF5FFF">Anaerobic Chamber / Glove Box</div><div style="font-size:0.85em">Sealed cabinet with N&sub2;/H&sub2;/CO&sub2; atmosphere. Full anaerobic workspace for processing &amp; incubating samples.</div></div> <div class="mini-card card-cyan" style="padding:14px"><div class="mini-title" style="color:#00E5FF">Deep Agar Stab Culture</div><div style="font-size:0.85em">Inoculate deep into agar column. O&sub2; limited at depth. Simple for semi-anaerobic organisms.</div></div> <div class="mini-card card-pink" style="padding:14px"><div class="mini-title" style="color:#FF6B9D">Candle Jar (NOT true anaerobe!)</div><div style="font-size:0.85em">Candle burns until O&sub2; drops to 5&ndash;10%. Used for <strong>microaerophiles</strong> only (e.g. H. pylori, Campylobacter).</div></div> </div> <!-- ═══ SECTION 10: BACTERIAL COUNT ═══ --> <div class="section-header sh-yellow">&#x1F52C; 10. Quantitative Measurement of Bacterial Growth</div> <div class="grid2"> <div class="card card-cyan" style="padding:14px"> <div style="color:#00E5FF;font-weight:700;margin-bottom:8px">TOTAL COUNT (Dead + Living)</div> <div class="bullet"><div class="bullet-dot" style="background:#00E5FF"></div><div class="bullet-text"><strong>Petroff-Hausser Chamber:</strong> Direct microscopic counting; Formula: cells/mL = count &times; dilution &times; 20,000</div></div> <div class="bullet"><div class="bullet-dot" style="background:#00E5FF"></div><div class="bullet-text"><strong>Turbidimetry (OD600):</strong> Optical density at 600nm; OD &prop; cell concentration; McFarland standards</div></div> <div class="bullet"><div class="bullet-dot" style="background:#00E5FF"></div><div class="bullet-text"><strong>Dry Weight Method:</strong> Cells dried at 105&deg;C and weighed</div></div> <div class="bullet"><div class="bullet-dot" style="background:#00E5FF"></div><div class="bullet-text"><strong>Protein Estimation:</strong> Bradford/Lowry assay for total protein</div></div> </div> <div class="card card-green" style="padding:14px"> <div style="color:#39FF14;font-weight:700;margin-bottom:8px">VIABLE COUNT (Living Cells Only)</div> <div class="bullet"><div class="bullet-dot" style="background:#39FF14"></div><div class="bullet-text"><strong>Standard Plate Count (SPC):</strong> Serial dilution &rarr; pour/spread plate &rarr; CFU/mL. Acceptable: 30&ndash;300 colonies.</div></div> <div class="bullet"><div class="bullet-dot" style="background:#39FF14"></div><div class="bullet-text"><strong>Membrane Filtration:</strong> 0.45 &mu;m filter &rarr; place on agar &rarr; count colonies</div></div> <div class="bullet"><div class="bullet-dot" style="background:#39FF14"></div><div class="bullet-text"><strong>MPN (Most Probable Number):</strong> Statistical method using multiple dilution tubes. Used in water/food microbiology.</div></div> </div> </div> <div class="card card-orange"> <div style="color:#FF8C00;font-weight:700;margin-bottom:10px">&#x1F4CA; McFARLAND TURBIDITY STANDARDS</div> <div style="overflow-x:auto"><table> <thead><tr><th style="color:#FF8C00">Standard No.</th><th style="color:#00E5FF">Approx. Cells/mL</th><th style="color:#39FF14">OD600</th><th style="color:#FFD700">Main Use</th></tr></thead> <tbody> <tr><td style="color:#FFD700">0.5 (most common)</td><td>1&ndash;2 &times; 10&sup8;</td><td>0.08&ndash;0.10</td><td>Antibiotic susceptibility testing (MIC)</td></tr> <tr><td style="color:#FFD700">1</td><td>3 &times; 10&sup8;</td><td>~0.20</td><td>General microbiological reference</td></tr> <tr><td style="color:#FFD700">2</td><td>6 &times; 10&sup8;</td><td>~0.40</td><td>Fungal suspensions, research</td></tr> <tr><td style="color:#FFD700">4</td><td>1.2 &times; 10&#8313;</td><td>~0.80</td><td>Dense cultures, specific assays</td></tr> </tbody> </table></div> </div> <!-- ═══ SECTION 11: MICROSCOPY ═══ --> <div class="section-header sh-purple">&#x1F52D; 11. Types of Microscopy</div> <div class="grid2"> <div class="mini-card card-cyan" style="padding:14px"> <div class="mini-title" style="color:#00E5FF">&#x1F52C; Bright-Field Microscope</div> <div class="bullet"><div class="bullet-dot" style="background:#00E5FF"></div><div class="bullet-text">Most common; uses visible light</div></div> <div class="bullet"><div class="bullet-dot" style="background:#00E5FF"></div><div class="bullet-text">Magnification: up to <strong>1000x</strong> (oil immersion)</div></div> <div class="bullet"><div class="bullet-dot" style="background:#00E5FF"></div><div class="bullet-text">Stained specimens required for bacteria</div></div> <div class="bullet"><div class="bullet-dot" style="background:#00E5FF"></div><div class="bullet-text">Resolution: <strong>~0.2 &mu;m</strong></div></div> </div> <div class="mini-card card-green" style="padding:14px"> <div class="mini-title" style="color:#39FF14">&#x1F313; Phase Contrast Microscope</div> <div class="bullet"><div class="bullet-dot" style="background:#39FF14"></div><div class="bullet-text">Converts phase differences to contrast</div></div> <div class="bullet"><div class="bullet-dot" style="background:#39FF14"></div><div class="bullet-text"><strong>No staining needed</strong> &mdash; observes LIVING cells</div></div> <div class="bullet"><div class="bullet-dot" style="background:#39FF14"></div><div class="bullet-text">Invented by Frits Zernike (Nobel 1953)</div></div> <div class="bullet"><div class="bullet-dot" style="background:#39FF14"></div><div class="bullet-text">Uses: motility, cell division, live bacteria</div></div> </div> <div class="mini-card card-orange" style="padding:14px"> <div class="mini-title" style="color:#FF8C00">&#x26AB; Dark-Field Microscope</div> <div class="bullet"><div class="bullet-dot" style="background:#FF8C00"></div><div class="bullet-text">Objects appear <strong>BRIGHT on DARK</strong> background</div></div> <div class="bullet"><div class="bullet-dot" style="background:#FF8C00"></div><div class="bullet-text">Central stop in condenser blocks direct light</div></div> <div class="bullet"><div class="bullet-dot" style="background:#FF8C00"></div><div class="bullet-text"><strong>Best for: Treponema pallidum</strong> (too thin to stain)</div></div> <div class="bullet"><div class="bullet-dot" style="background:#FF8C00"></div><div class="bullet-text">Unstained protozoa, flagella observation</div></div> </div> <div class="mini-card card-yellow" style="padding:14px"> <div class="mini-title" style="color:#FFD700">&#x26A1; Fluorescence Microscope</div> <div class="bullet"><div class="bullet-dot" style="background:#FFD700"></div><div class="bullet-text">UV light excites fluorescent dyes (fluorochromes)</div></div> <div class="bullet"><div class="bullet-dot" style="background:#FFD700"></div><div class="bullet-text">Dyes: Auramine O, FITC, DAPI, Rhodamine</div></div> <div class="bullet"><div class="bullet-dot" style="background:#FFD700"></div><div class="bullet-text">Use: TB (Auramine), immunofluorescence</div></div> <div class="bullet"><div class="bullet-dot" style="background:#FFD700"></div><div class="bullet-text">Direct FAT &amp; Indirect IFAT techniques</div></div> </div> <div class="mini-card card-pink" style="padding:14px"> <div class="mini-title" style="color:#FF6B9D">&#x1F52D; Electron Microscope (TEM/SEM)</div> <div class="bullet"><div class="bullet-dot" style="background:#FF6B9D"></div><div class="bullet-text">Uses electron beam &rarr; far shorter wavelength</div></div> <div class="bullet"><div class="bullet-dot" style="background:#FF6B9D"></div><div class="bullet-text">Resolution: <strong>~0.1 nm</strong> vs 0.2 &mu;m for light</div></div> <div class="bullet"><div class="bullet-dot" style="background:#FF6B9D"></div><div class="bullet-text"><strong>TEM:</strong> internal ultrastructure, viruses, organelles</div></div> <div class="bullet"><div class="bullet-dot" style="background:#FF6B9D"></div><div class="bullet-text"><strong>SEM:</strong> 3D surface topography of specimens</div></div> </div> <div class="mini-card card-purple" style="padding:14px"> <div class="mini-title" style="color:#BF5FFF">&#x1F52E; Confocal Microscope</div> <div class="bullet"><div class="bullet-dot" style="background:#BF5FFF"></div><div class="bullet-text">Laser scanning with pinhole aperture</div></div> <div class="bullet"><div class="bullet-dot" style="background:#BF5FFF"></div><div class="bullet-text">Produces 3D optical sections (z-stacking)</div></div> <div class="bullet"><div class="bullet-dot" style="background:#BF5FFF"></div><div class="bullet-text">Use: biofilm imaging, 3D cell architecture</div></div> <div class="bullet"><div class="bullet-dot" style="background:#BF5FFF"></div><div class="bullet-text">Higher resolution than conventional fluorescence</div></div> </div> </div> <!-- ═══ ACID-FAST STAINING ═══ --> <div class="section-header sh-red">&#x1F9EA; 12. Acid-Fast Staining (Ziehl-Neelsen Method)</div> <div class="flowchart"> <div class="fc-step" style="background:#1F2937;border:2px solid #FFD700;color:#FFD700">HEAT-FIX smear on glass slide (pass through flame 2&ndash;3 times)</div> <div class="fc-arrow">&#x2B07;</div> <div class="fc-step" style="background:#2F0000;border:2px solid #FF4500;color:#FF4500">Apply <strong>CARBOL-FUCHSIN</strong> (Primary Stain) &mdash; Heat gently until steam rises &mdash; 5 minutes</div> <div class="fc-arrow">&#x2B07;</div> <div class="fc-step" style="background:#001A2F;border:2px solid #58A6FF;color:#58A6FF">WASH with water gently</div> <div class="fc-arrow">&#x2B07;</div> <div class="fc-step" style="background:#2A1500;border:2px solid #FF8C00;color:#FF8C00">&#x26A0; <strong>DECOLOURISE</strong> with 3% HCl in 95% Ethanol (Acid-Alcohol) &mdash; 2&ndash;3 minutes</div> <div class="fc-arrow">&#x2B07;</div> <div class="fc-step" style="background:#001A2F;border:2px solid #58A6FF;color:#58A6FF">WASH with water</div> <div class="fc-arrow">&#x2B07;</div> <div class="fc-step" style="background:#001A2F;border:2px solid #00E5FF;color:#00E5FF">Apply <strong>METHYLENE BLUE</strong> (Counterstain) &mdash; 1&ndash;2 minutes</div> <div class="fc-arrow">&#x2B07;</div> <div class="fc-step" style="background:#1A1F29;border:2px solid #E6EDF3;color:#E6EDF3">WASH &rarr; AIR DRY &rarr; Observe under Oil Immersion (1000x)</div> <div class="fc-branch"> <div class="fc-result" style="background:#2F0000;border:2px solid #FF4500"> <div style="color:#FF4500;font-weight:700">ACID-FAST (AFB +ve)</div> <div style="color:#FF8C00;margin:5px 0">Stains <strong>RED / PINK</strong></div> <div style="font-size:0.85em">Mycobacterium tuberculosis<br>Mycobacterium leprae</div> </div> <div class="fc-result" style="background:#001A2F;border:2px solid #00E5FF"> <div style="color:#00E5FF;font-weight:700">NON-ACID-FAST (AFB &minus;ve)</div> <div style="color:#58A6FF;margin:5px 0">Stains <strong>BLUE</strong></div> <div style="font-size:0.85em">E. coli, Staphylococcus,<br>Streptococcus (all non-mycobacteria)</div> </div> </div> </div> <!-- ═══ IMViC ═══ --> <div class="section-header sh-yellow">&#x1F9EA; 13. IMViC Tests (Biochemical Identification)</div> <div class="grid2"> <div class="mini-card card-pink" style="padding:14px"> <div class="mini-title" style="color:#FF6B9D">I &mdash; INDOLE TEST</div> <div style="font-size:0.88em;margin-bottom:8px">Tests production of indole from tryptophan. Add Kovac&rsquo;s reagent. <strong style="color:#FF6B9D">Red ring = Positive.</strong></div> <div style="background:#0D1117;border-radius:4px;padding:6px;font-size:0.85em"><strong style="color:#39FF14">E. coli = (+)</strong> &nbsp;|&nbsp; <strong style="color:#FF4500">Enterobacter = (&minus;)</strong></div> </div> <div class="mini-card card-orange" style="padding:14px"> <div class="mini-title" style="color:#FF8C00">M &mdash; METHYL RED TEST</div> <div style="font-size:0.88em;margin-bottom:8px">Mixed-acid fermentation of glucose. Add methyl red indicator. <strong style="color:#FF8C00">Red = Positive</strong> (pH &lt;4.4).</div> <div style="background:#0D1117;border-radius:4px;padding:6px;font-size:0.85em"><strong style="color:#39FF14">E. coli = (+)</strong> &nbsp;|&nbsp; <strong style="color:#FF4500">Enterobacter = (&minus;)</strong></div> </div> <div class="mini-card card-green" style="padding:14px"> <div class="mini-title" style="color:#39FF14">V &mdash; VOGES-PROSKAUER TEST</div> <div style="font-size:0.88em;margin-bottom:8px">Produces acetylmethylcarbinol (acetoin). Add KOH + &alpha;-naphthol. <strong style="color:#39FF14">Pink/Red = Positive.</strong></div> <div style="background:#0D1117;border-radius:4px;padding:6px;font-size:0.85em"><strong style="color:#39FF14">Enterobacter = (+)</strong> &nbsp;|&nbsp; <strong style="color:#FF4500">E. coli = (&minus;)</strong></div> </div> <div class="mini-card card-cyan" style="padding:14px"> <div class="mini-title" style="color:#00E5FF">C &mdash; CITRATE TEST (Simmons)</div> <div style="font-size:0.88em;margin-bottom:8px">Uses citrate as <em>sole</em> carbon source. Simmons Citrate Agar. <strong style="color:#00E5FF">Green &rarr; Blue = Positive.</strong></div> <div style="background:#0D1117;border-radius:4px;padding:6px;font-size:0.85em"><strong style="color:#39FF14">Enterobacter = (+)</strong> &nbsp;|&nbsp; <strong style="color:#FF4500">E. coli = (&minus;)</strong></div> </div> </div> <div class="memory"> <div class="memory-title">&#x1F4A1; IMViC MEMORY AID</div> <div style="margin:6px 0"><strong style="color:#FFD700">E. coli &nbsp;&nbsp;&nbsp;&nbsp;&rarr;&nbsp;</strong> <span style="color:#39FF14">I = +</span> &nbsp; <span style="color:#39FF14">MR = +</span> &nbsp; <span style="color:#FF4500">VP = &minus;</span> &nbsp; <span style="color:#FF4500">C = &minus;</span> &nbsp;&nbsp; <strong style="color:#FFD700">Pattern: + + &minus; &minus;</strong></div> <div style="margin:6px 0"><strong style="color:#00E5FF">Enterobacter &rarr;&nbsp;</strong> <span style="color:#FF4500">I = &minus;</span> &nbsp; <span style="color:#FF4500">MR = &minus;</span> &nbsp; <span style="color:#39FF14">VP = +</span> &nbsp; <span style="color:#39FF14">C = +</span> &nbsp;&nbsp; <strong style="color:#00E5FF">Pattern: &minus; &minus; + +</strong></div> </div> <!-- ═══ ANTIBIOTICS ═══ --> <div class="section-header sh-green">&#x1F48A; 14. Antibiotics Produced by Microorganisms</div> <div style="overflow-x:auto"><table> <thead><tr> <th style="color:#39FF14">Antibiotic</th> <th style="color:#FFD700">Producing Organism</th> <th style="color:#FF6B9D">Mechanism</th> <th style="color:#20C997">Spectrum / Use</th> <th style="color:#FF8C00">Production</th> </tr></thead> <tbody> <tr> <td style="color:#39FF14;font-weight:700">Penicillin</td> <td><em>Penicillium chrysogenum</em><br><small style="color:#6E7681">(P. notatum by Fleming)</small></td> <td>Beta-lactam ring; inhibits transpeptidase; blocks peptidoglycan cross-linking</td> <td>G+ve: Staph, Strep, Treponema, pneumococcus</td> <td>Deep tank fermentation + phenylacetic acid precursor &rarr; extraction &rarr; purification</td> </tr> <tr> <td style="color:#FF8C00;font-weight:700">Streptomycin</td> <td><em>Streptomyces griseus</em><br><small style="color:#6E7681">(Actinobacterium, soil)</small></td> <td>Aminoglycoside; binds 30S ribosome; causes mRNA misreading; bactericidal</td> <td>M. tuberculosis, Brucella, Yersinia, Plague</td> <td>Aerobic submerged fermentation &rarr; ion exchange chromatography &rarr; lyophilisation</td> </tr> <tr> <td style="color:#00E5FF;font-weight:700">Cephalosporins</td> <td><em>Acremonium chrysogenum</em><br><small style="color:#6E7681">(formerly Cephalosporium)</small></td> <td>Beta-lactam; broader spectrum than penicillin; inhibits PBPs; cell wall synthesis</td> <td>G+ve &amp; G-ve; penicillin-resistant strains; meningitis (3rd gen)</td> <td>Fermentation &rarr; isolation of 7-ACA nucleus &rarr; chemical modification &rarr; multiple generations</td> </tr> </tbody> </table></div> <!-- ═══ KEY POINTS ═══ --> <div class="important" style="margin-top:20px"> <div class="important-title">&#x2B50; IMPORTANT KEY POINTS &mdash; UNIT 1 QUICK REVISION</div> <div class="imp-item"><span class="imp-bullet">&#x25B8;</span><span><strong style="color:#FFD700">Gram +ve = PURPLE:</strong> Thick peptidoglycan (20&ndash;80 nm) retains crystal violet-iodine complex after decolorisation</span></div> <div class="imp-item"><span class="imp-bullet">&#x25B8;</span><span><strong style="color:#FF6B9D">Gram &minus;ve = PINK/RED:</strong> Thin PG (2&ndash;7 nm) + outer membrane (LPS) &mdash; loses stain on alcohol decolorisation</span></div> <div class="imp-item"><span class="imp-bullet">&#x25B8;</span><span><strong style="color:#00E5FF">Generation time:</strong> E. coli ~20 minutes | M. tuberculosis ~20 HOURS (very slow growing!)</span></div> <div class="imp-item"><span class="imp-bullet">&#x25B8;</span><span><strong style="color:#39FF14">Autoclave sterilisation:</strong> 121&deg;C / 15 psi / 15 min &mdash; kills ALL organisms including heat-resistant endospores</span></div> <div class="imp-item"><span class="imp-bullet">&#x25B8;</span><span><strong style="color:#FF8C00">Best long-term preservation:</strong> Lyophilisation (freeze-drying) and Liquid Nitrogen (&minus;196&deg;C) &mdash; indefinite storage</span></div> <div class="imp-item"><span class="imp-bullet">&#x25B8;</span><span><strong style="color:#BF5FFF">Phase contrast:</strong> Best for LIVING, UNSTAINED specimens &mdash; no fixation or staining needed</span></div> <div class="imp-item"><span class="imp-bullet">&#x25B8;</span><span><strong style="color:#20C997">Dark-field:</strong> Used for Treponema pallidum (syphilis) &mdash; too thin to be visualised by bright-field</span></div> <div class="imp-item"><span class="imp-bullet">&#x25B8;</span><span><strong style="color:#FF4500">IMViC for E. coli:</strong> Pattern + + &minus; &minus; (Indole+, MR+, VP&minus;, Citrate&minus;)</span></div> <div class="imp-item"><span class="imp-bullet">&#x25B8;</span><span><strong style="color:#FFD700">Penicillin antibiotic:</strong> Discovered 1928 by Fleming, produced by Penicillium chrysogenum, targets transpeptidase</span></div> <div class="imp-item"><span class="imp-bullet">&#x25B8;</span><span><strong style="color:#39FF14">SPC acceptable range:</strong> 30&ndash;300 colonies per plate (Too Many To Count = TNTC; Too Few To Count = TFTC)</span></div> </div> <div style="background:#161B22;border:1.5px solid #00E5FF;border-radius:10px;padding:16px;text-align:center;margin-top:24px"> <div style="color:#FFD700;font-size:1.15em;font-weight:700;margin-bottom:6px">Best of Luck for Your Exams! &#x1F340;</div> <div style="color:#8B949E;font-size:0.85em">Sources: Jawetz Medical Microbiology 28e &nbsp;|&nbsp; Murray Medical Microbiology 9e &nbsp;|&nbsp; PCI BP303T Syllabus</div> <div style="color:#20C997;font-size:0.88em;margin-top:4px">Study Smart &mdash; You&rsquo;ve Got This!</div> </div> </div><!-- end .page --> </body> </html>''' with open('/home/daytona/workspace/micro-notes/Unit1_Microbiology_Notes.html', 'w', encoding='utf-8') as f: f.write(content) print("HTML written successfully") import os sz = os.path.getsize('/home/daytona/workspace/micro-notes/Unit1_Microbiology_Notes.html') print(f"Size: {sz/1024:.1f} KB") PYEOF python3 /home/daytona/workspace/micro-notes/build_html.py