Spectrophotometric assay for B-lactamases

Nathan O. Siemers nathan at protos.bms.com
Fri Aug 18 10:07:31 EST 1995

There are also beta-lactamase indicators that give color changes in
the visible spectrum, which are less prone to interference than UV
measurements.  The two indicators that come to mind are the
cephalosporin derivative nitrocefin and a molecule referred to as

Nathan O. Siemers, Ph.D.	
Bristol-Myers Squibb Pharmaceutical Research Institute
3005 First Avenue, Seattle, WA 98121
(206) 727-3741  	siemers at bms.com
"You want fries with that?"

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