Tinsdale agar base medium was developed by Tinsdale for the selective isolation and differentiation of C. diphtheriae from diphtheroids. Billings later modified the medium improving its differential qualities and reproducibility. Moore and Parsons used Billings’ […]
Traditionally, Cystine Trypticase Agar (CTA) supplemented with a 1% carbohydrate solution was used to determine acid production by Neisseria and related species. This test is no longer recommended now and has been replaced by the […]
Furazolidone (Furoxone) disk test is performed as a disk susceptibility procedure using commercially available furazolidone disks. Staphylococci are inhibited by furazolidone but micrococci and related species are resistant. This is one of the commonly used […]
Identification of fungi depends largely on their macroscopic features (colony characteristics, growth rate, color, texture, diffusible pigment, exudates, aerial and submerged hyphae) and microscopic features (arrangement of spores and sporing bodies). Arrangements of conidiophores and […]
Biological safety cabinet (BSC) is an engineering control intended to protect laboratory workers, laboratory environment and work materials from exposure to infectious or biohazardous aerosols and splashes. Such aerosols and splashes may be generated while […]
Amies transport medium is a widely used and effective semisolid medium for the transportation of swab specimens to the microbiology laboratory. Placing swabs in a moist container or transport medium prevents drying and death of […]
Pneumocystis jirovecii (previously known as Pneumocystis carinii) is an opportunistic atypical fungal pathogen which does not respond to conventional anti-fungal agents*. P.jirovecii is an organism of low virulence which spreads through the air and causes […]
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