Measurement of beta-lactamase activity and rate of inactivation of penicillins by a pH-stat alkalimetric titration method.

Acetamides Amino Acids Ampicillin Bacillus cereus/enzymology Bacillus subtilis/enzymology Carbamates Carbenicillin Cyclohexanecarboxylic Acids Cyclopentanes Enzyme Activation Hydrogen-Ion Concentration Kinetics Penicillanic Acid Penicillin G Penicillin V/analogs & derivatives Penicillinase Propionates Staphylococcus/enzymology Structure-Activity Relationship Sulfonamides

Acetamides Amino Acids Carbamates Cyclohexanecarboxylic Acids Cyclopentanes Propionates Sulfonamides Ampicillin Penicillanic Acid Penicillinase Carbenicillin Penicillin G Penicillin V