Sabouraud Dextrose Agar (SDA) is a selective medium primarily used for the isolation of dermatophytes, other fungi and yeasts but can also grow filamentous bacteria such as Nocardia. The acidic pH of this medium (pH about […]
Albert stain is a type of differential stain used for staining the volutin granules also known as Metachromatic granules or food granules found in Corynebacterium diphtheriae. It is named as metachromatic because of its property […]
Potato Dextrose Agar (PDA) is a general purpose basal medium for the identification, cultivation and enumeration of yeast and molds in foods and dairy products. It may also be used for the cultivation of yeasts […]
Baird Parker Agar was developed by Baird Parker in 1962 and is a modification of Tellurite-glycine formulation of Zebovitz et al. It is a moderately selective medium for the isolation and differentiation of coagulase positive […]
Pseudosel Agar or Cetrimide Agar is used for the selective isolation and presumptive identification of Pseudomonas aeruginosa . The medium was first developed by Lowburry and is a modification of Tech Agar (developed by King […]
Xylose lysine deoxycholate (XLD) Agar was formulated by Taylor for the isolation and differentiation of enteric pathogens including Salmonella Typhi from other Salmonella species. XLD Agar is both selective and differential medium for the isolation, […]
Transport medium are special media formulated to preserve a specimen and minimize bacterial overgrowth from the time of collection to the time it is received at the laboratory to be processed. Depending on the type […]
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