Dorset egg medium:composition, preparation and uses
Dorset egg medium Dorset egg medium is an enriched slope medium used to culture Corynebacterium diphtheriae to direct volutine granules. It is also used for […]
DNAse agar: composition, preparation and uses
DNAse agar is a plate biochemical medium used to identify Staphylococcus aureus from other species. It is most economically prepared from the dehydrated medium available […]
Deoxycholate citrate agar (DCA): composition, preparation and use
DCA Deoxycholate citrate agar (DCA) is a selective and differential medium used to isolate Salmonella and Shigella species. It can also be used to isolate […]
Cooked meat medium: composition, preparation and uses
Cooked meat medium Cooked meat medium is a nutritious fluid broth used in the enrichment, rapid growth and maintenance of micro organisms especially anaerobes. It […]
Christensen urea broth (maslen modified):composition, preparation and uses
Christensen modified urea broth Christensen modified urea broth is a biochemical fluid medium used to test microorganisms for urease production. It can be prepared from […]
Cetrimide agar: composition, preparation and uses
Centrimide agar Cetrimide agar is a selective plate medium used occasionally to isolate Pseudomonas species from a mixed bacterial flora. It inhibits the growth of […]
Cary-blair transport medium: composition, preparation and uses
Cary-blair transport medium Cary-blairsemisolid transport medium is used to preserve the viability of entericpathogens in faeal specimens Salmonella, Shigella, Vibrioand Yersinia enterocolittica survivewell in cary-blair […]
Butzler campylobacter medium: composition, preparation and uses
Butzler selective medium is used to isolate campylobacter jejuni and campylobacter coli from faeces. Butzlers Virion medium is recommended because it has been shown to […]
Types of blood agar: Crystal violet blood agar, Neomycin blood agar, Kanamycin blood agar and chocolate agar
1) Crystal violet blood agar: This is used as a selective medium for Streptococus pyogenes.At a concentration of 1 in 500000, crystal violet inhibits the […]
Penicillin production commercially by fermentation biotechnology
Penicillin production commercially by fermentation biotechnology Structure of Penicillin: The basic structure of penicillin consists of a thiozolidine ring condensed with a B-lactum ring. Natural […]