E&O supply freshly harvested aseptically collected Donor Horse Blood and Sheep Blood. These blood products are oxygenated and supplied in both Bottles and Bags for convenient asceptical addition to culture media. Plasma products can be fractionated after the addition of a range of anticoagulants: Citrate, Alsevers, Sodium Oxolate, Heparin and EDTA.

All donor animal blood products are harvested from Stress Free Animals with guaranteed PCV’s and free from any microbiological inhibitors. The most common use is for the manufacture of Blood Agar Plates. Dehydrated culture media (Columbia Agar) is added to deionised water and then sterilized at 121°C. The molten agar is then cooled to 42°C, fresh Horse Blood or Sheep Blood is then added at a 5% or 7% concentration before being poured into petridishes.

Môi trường nuôi cấy vi sinh Colorex Chromogenic O157 CT

Colorex 0157 with Cefixime & Tellurite

This medium replaces the conventional Sorbitol MacConkey Agar that is reputed for high levels of false positives and the difficulty of colonial interpretation and differentiation. Colorex O157 is a chromogenic medium with a very high specificity (98% according to K.A. Bettelheim, 1998 J.Appl.Microbiol.85:425-428) for E.coli O157. To reduce the level of background flora, the medium is made selective by the addition of Cefixime and Potassium tellurite. Positive colonies exhibit a mauve colouration enabling easy interpretation amongst blue or colourless colonies of other bacteria.

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