Oxoid™ Penase 1 vial

A Bacillus cereus 569/H9 lactamase (E.C.5.2.6) presented as a freeze-dried powder containing buffer salts. Each vial contains a 3,300lU of activity (1 unit of enzyme activity will hydrolyse 1.0μmol of benzylpenicilloic acid per minute pH7.0 and at 25°C). Used for the inactivation of susceptible beta-lacram antibiotics in preparations, blood or tissue samples.