V22-103-500 g
Alpha Vogel & Johnson Agar - 500 g
18-12-2020
For the detection of Staphylococcus aureus and other coagulase-positive, mannitol-fermenting Staphylococci in clinical specimens and food sources
Package size: 500 g
DKK 2.143,00
Categories
- Molecular Biology
- Microscopy
- Nucleic Acid Purification
- PCR Enzymes
- RT-PCR Enzymes
- NGS
- Chromogenic Microbial Media
- General Microbial Media
- Fine Chemicals
- Homogenization Instruments
- Homogenization Consumables
Alpha Vogel & Johnson Agar - 2 kg
# V22-103-2 kgPackage size: 2 kg
Brand: Alpha
Alpha Vogel & Johnson Agar - 2 kg
DKK 9.350,00
Not in stock, delivery 1-2 weeks
Description
Vogel & Johnson Agar is a selective agar medium used for the detection of Staphylococcus aureus and other coagulase-positive, mannitol-fermenting Staphylococci in clinical specimens and food sources.
Tryptein and Yeast Extract provide the essential nutrients for bacterial growth. D-Mannitol is the main carbohydrate source. The presence of Tellurite, Lithium Chloride and high concentration of Glycine make the medium selective.
Coagulase-positive Staphylococci ferment D-Mannitol, thus acidifying the medium and causing the color shift of the pH indicator Phenol Red from red to yellow, and reduce Tellurite, thus forming a black precipitate in the center of the colony. Therefore, resistant colonies form black colonies surrounded by a yellow zone on this medium.
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