TSI (Triple Sugar Iron) test: Objective, Principle, Procedure and Result
TSI (Triple Sugar Iron) test: Objective to check the ability of organism to ferment sugar (lactose, sucrose) and their ability to produce H2S gas. Principle […]
Month: April 2018
Nitrate reduction test: Objective, Principle, Procedure and Result
Nitrate reduction test: Objective to detect the ability of the organism to produce Nitrate reductase enzyme. to differentiate members of Enterobacteriaceae that produce enzyme nitrate […]
Urease test: Objective, Principle, Procedure and result
Urease test: Objective to check whether the organism can produce urease enzyme for the degradation of urea or not. Principle of urease test: Urea is […]
Citrate utilization test: objective, principle, procedure and result
Citrate utilization test: Objective to detect the ability of organisms to produce citrase enzyme. Principle of citrate utilization test: The basic principle of this test […]
Indole test: objective, principle, procedure and result
Indole test: Objective: to detect the ability of organism to produce enzyme tryptophanase. Principle: Indole test is a biochemical test which differentiates the coliform […]
Cephalosporin: structure, classification, clinical use and mode of action
Cephalosporin: structure, classification, clinical use and mode of action structure of cephalosporin Cephalosporin is a β-lactam antibiotic that inhibits bacterial cell wall synthesis. In 1948 […]
Penicillin: classification, mode of action and penicillin resistance
Penicillin: classification, mode of action and penicillin resistance classification of penicillin: There are four clinically important class of penicillin classified into four groups on the […]
Clinical use of penicillin antibiotics
Clinical use of penicillin antibiotics 1. Penicillin G: Penicillin G is the drug of choice in infection caused by Pneumococci, Streptococci, Meningococci, Gonococci and Staphylococci […]
Beta-lactam antibiotics: Penicillin, Cephalosporin, Monobactam, Carbapenems and Clavulanic acid
Beta-lactam antibiotics: Penicillin, Cephalosporin, Monobactam, Carbapenems and Clavulanic acid β-lactam antibiotics have common b-lactam ring in their structure. Different b lactam antibiotics differ in their […]
Methyl red (MR) test: objective, principle, procedure and result
Methyl red (MR) test: Objective: To check whether the organism follow mixed acid fermentation pathway during their metabolism or not Principle of MR test: The […]