BD has developed an innovative line of media that incorporates carefully selected synthetic chromogenic and/or fluorogenic substrates. These substrates have been added to primary selective and nonselective media permitting enumeration, detection, presumptive identification and in some media identification directly on the isolation plate.
Chromogenic substrates are colorless and, when cleaved by specific enzymes, are oxidized producing a characteristic color. The detection of a specific enzyme or enzymes can be used to identify genus, species, or groups of organisms. Colonies of organisms with the enzyme are a distinct color, providing easy recognition.
This novel technology has been shown to provide improved accuracy and faster detection than other traditional primary culture media. Depending on the media type and organism, identification may be accomplished without the need for confirmatory testing, subculturing, or supplemental biochemical or latex testing, leading to more efficient use of technologist time and earlier reporting of final results.
BBL™ CHROMagar® MRSA II is a selective and differential medium, which incorporates cefoxitin, for the detection of MRSA from anterior nares specimens in as few as 20 hours. BBL CHROMagar MRSA II builds upon the proven performance of the first generation BD CHROMagar® MRSA product by delivering enhanced performance, improved turnaround time, and ease of use compared to BBL CHROMagar MRSA.1
Click here to learn more about BD's MRSA Active Surveillance Solutions
BD Chromogenic Media for Clinical Applications
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BD Chromogenic Media for Industrial Applications
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BD Chromogenic Media for Food and Water Testing
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1 Denys G.A. et al ASM 2010 Abstract C-1138
CHROMagar is a trademark of Dr. A. Rambach.