Resistance of penicillins and cephalosporins to beta-lactamases from Gram-negative bacilli: some correlations with antibacterial activity.

Ampicillin/antagonists & inhibitors,pharmacology Cephaloridine/antagonists & inhibitors,pharmacology Cephalosporins/antagonists & inhibitors,pharmacology Cephalothin/antagonists & inhibitors,pharmacology Cloxacillin/antagonists & inhibitors,pharmacology Escherichia coli/drug effects,enzymology Hydrolysis Klebsiella/drug effects,enzymology Penicillin G/antagonists & inhibitors,pharmacology Penicillinase/pharmacology Penicillins/antagonists & inhibitors,pharmacology Proteus/drug effects,enzymology Pseudomonas/enzymology Pseudomonas aeruginosa/drug effects Species Specificity

Cephalosporins Penicillins Ampicillin Penicillinase Cephaloridine Cloxacillin Penicillin G Cephalothin