Antibiotic & Aminoglycosides Notes [U-1]
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Antibiotics Notes
- Antibiotics
- Classification of Antibiotics
- β-Lactam Antibiotics
Various β-Lactam Antibiotics Drugs
- Penicillin
- Cephalosporins
- β-Lactamase Inhibitors
- Monobactams (Aztreonam)
- Aminoglycosides
Various Aminoglycosides Drugs
- Streptomycin
- Neomycin
- Kanamycin
- Tetracyclines
Various Tetracyclines Drugs
- Tetracycline
- Oxytetracycline
- Chlortetracycline
- Minocycline
- Doxycycline
Other Units of Medicinal Chemistry III
Medicinal Chemistry III
Other Subjects of B Pharmacy 6th Semester

Topic wise notes of:
Biopharmaceutics and Pharmacokinetics
- Biopharmaceutics: Absorption & Distribution
- Drug Elimination, Bioavailability & Bioequivalence
- Pharmacokinetics Models, Dosing & Parameters
- Multicompartment models
- Nonlinear Pharmacokinetics
Topic wise notes of:
Pharmaceutical Biotechnology
- Introduction to Pharmaceutical Biotechnology
- Genetic Engineering & rDNA Technology
- Immunology and Vaccine Technology
- Microbial Genetics & Biotransformation
- Fermentation & Bioproduct Production
Topic wise notes of:
Pharmaceutical Quality Assurance
- Quality Assurance, GMP, ICH, QbD & Quality System
- GMP: Personnel, Premises & Equipment Control
- Quality Control and Good Laboratory Practice
- Complaints & Document Management
- Calibration and Warehousing
UNIT– I: Antibiotics Notes – Summary
- Historical Background
- Antibiotics are substances that inhibit or kill microorganisms.
- Penicillin, discovered by Alexander Fleming in 1928, was the first widely used antibiotic.
- Nomenclature
- Based on chemical structure, source (natural/semi-synthetic), and microbial target.
- Includes suffixes like -cillin, -mycin, -cycline.
- Stereochemistry
- Stereochemistry influences binding affinity and biological activity.
- Specific 3D arrangements are crucial for efficacy and resistance avoidance.
- Structure-Activity Relationship (SAR)
- Modifications in structure can alter potency, spectrum, and resistance profile.
- SAR guides drug design and improvement.
- Chemical Degradation Classification
- Antibiotics can degrade via hydrolysis, oxidation, or isomerization.
- Stability depends on storage and chemical structure.
- Important Classes and Products
- β-Lactam Antibiotics:
- Penicillin, Cephalosporins, Monobactams, β-Lactamase Inhibitors
- Aminoglycosides:
- Streptomycin, Neomycin, Kanamycin
- Tetracyclines:
- Tetracycline, Oxytetracycline, Minocycline, Doxycycline
- β-Lactam Antibiotics:
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