Here is a list of various Beta-Lactam antibiotics. 1. Penicillins: (i) Sir Alexander Fleming discovered in 1928. (ii) The mold belongs to Penicillium notatum. (iii) White crystalline substance, benzyl penicillin, soluble in water. (iv) Benzyl penicillin has a five membered thiazolidine ring and a four membered β-lactam ring. (v) Biosynthetic penicillins (Penicillin V) result from […]
Development of chemotherapy may be viewed in three phases:- 1. Pre Ehrlich Period 2. Period of Paul Ehrlich 3. Period highlighted by discovery of sulfonamides and antibiotics. Phase # 1. Pre Ehrlich Period: In this period some compounds were used empirically to treat different diseases. Sometimes adverse effects were also monitored due to empirical use […]
Successful therapy of microbial infections depends upon several factors viz. identification of pathogens and their drug sensitivity, rapid attainment of effective drug concentration at the site of infection, host defenses and maintenance of drug level for adequate period, use of supportive drugs and duration of treatment. The therapeutic concentration of drug at focus of infection […]
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