Pyridinium-2-azo-p-dimethylaniline chromophore, a new chromogenic cephalosporin for rapid beta-lactamase testing.

Antimicrobial Agents and Chemotherapy
J H JorgensenG A Alexander

Abstract

A new chromogenic cephalosporin, pyridinium-2-azo-p-dimethylaniline chromophore, was evaluated for use in a rapid paper strip or tube test for the detection of beta-lactamases from a variety of microorganisms. A 1-min pyridinium-2-azo-p-dimethylaniline chromophore paper strip test was found to be a convenient and accurate method for the detection of beta-lactamase-producing strains of Haemophilus influenzae and Neisseria gonorrhoeae, although it could not be relied upon to detect beta-lactamases produced by staphylococci, enteric organisms, or Bacteroides fragilis.

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Citations

Jun 1, 1983·Diagnostic Microbiology and Infectious Disease·D T Lee, J E Rosenblatt
Jul 1, 1996·Microbial Drug Resistance : MDR : Mechanisms, Epidemiology, and Disease·M P MontanariP E Varaldo
Jun 1, 2013·Biosensors & Bioelectronics·Shuang ZhouBin Xie
Feb 11, 2015·Journal of Dairy Science·Shuang ZhouYongning Wu
Jan 1, 1990·European Journal of Clinical Microbiology & Infectious Diseases : Official Publication of the European Society of Clinical Microbiology·P C AppelbaumM R Jacobs

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