Oxoid™ C.L.E.D. Medium (Dehydrated)

Isolate, enumerate and differentiate urinary pathogens with Thermo Scientific™ Oxoid™ C.L.E.D. Medium (Dehydrated). Cystine-Lactose-Electrolyte-Deficient (CLED) Medium which provides good colonial differentiation, clear diagnostic characteristics and prevents swarming of Proteus spp. due to the electrolyte deficiency in the formulation.

Isolate, enumerate and differentiate urinary pathogens with this traditional urinary bacteriology medium which provides a valuable non-inhibitory diagnostic for plate culture.

• Provides easy colony differentiation as Escherichia coli appear as yellow opaque colonies, Proteus form translucent blue colonies, Salmonella appear as flat green colonies while Staphylococcus form deep yellow colonies.
• Prevents swarming of Proteus species through the electrolyte deficient nature of CLED Medium.

C.L.E.D. Medium has been used successfully in the Dip-inoculum Transport Medium technique (Mackey AND Sandys^1,2).

A variant of this technique has been described by Guttman and Naylor³ who employed media-coated slides.

These techniques overcome false bacteriological results associated with a delay in the transport of the specimens of urine to the laboratory and permit a clinically accurate routine differential viable count. They are, therefore, suitable for both general practitioner and hospital work including the screening of ante-natal specimens for symptomless bacteriuria.

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Remel™ and Oxoid™ products are now part of the Thermo Scientific brand.