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Gel Tube

SST Tube

Gel and Clot Activator Tubes are used to collect blood for clinical biochemistry and immunology. They can improve serum surface and prevent blood substance exchange between blood cell and serum. dvac Gel and Clot Activator Tubes are used for separation and examination of blood serum.

Differential Culture Media

Differential Culture Media

Differential media are bacteriological growth media that contain specific ingredients that allow to distinguish selected species or categories of bacteria by visual observation. Differential means are used to distinguish between organisms or groups of closely related organisms. Examples of differential media : Mannitol salts agar (mannitol fermentation = yellow) Blood agar (various kinds of hemolysis i.e. α, β and γ hemolysis) Mac Conkey agar (lactose fermenters, pink colonies whereas non- lactose fermenter produces pale or […]

Blood Agar

Blood Agar

Blood agar is a type of bacterial growth medium. It is mainly used to grow fastidious microorganisms such as streptococci. Such organisms do not grow well using an ordinary growth medium. They only grow in blood agar because this medium has inhibitors for some family of bacteria. The medium needs to be heated to inactivate the inhibitor and release a specific growth factor. Once the blood agar is heated, it will become chocolate agar. Examples […]

Nutrient agar

Nutrient Agar

Nutrient agar is used as a general purpose medium for the growth of a wide variety of non-fastidious microorganisms. It consists of peptone, beef extract and agar. This relatively simple formulation provides the nutrients necessary for the replication of a large number of non-fastidious microorganisms. Agar is a complex polysaccharide. It is highly valuable to microbiologists, although it provides no nutrient support for bacteria. It is commonly used in the laboratory setting primarily because of the following reasons: It […]

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