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This blog was designed for the Biomedical Technology students at the Durban University of Technology, in Durban, South Africa. It consists of short notes on aspects that I feel that my students grapple with, and aims to provide a better explanation than that they would receive in lectures. It is also a very personal blog, where I feel comfortable 'talking' to my students.

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Friday, February 26, 2010

CLED

CYSTEINE LACTOSE ELECTROLYTE DEFICIENT AGAR
This agar is used to differentiate between urinary orgs. The deficiency in lectrolytes prevents the swarming of Proteus species, a GNB and a member of the coliforms. The medium contains lactose which serves as a CHO (carbohydrate) source.Therefore we can get lactose fermenters - yellow colonies- and non lactose fermenters - blue colonies.

You must know what CLED stands for, the purpose of the medium and the colours of the 2 types of orgs.
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