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Sigma-Aldrich

BETA-LACTAMASE BLEND RECOMBINANT EXPRESSED IN E. COLI

General description No detectable growth in tryptone soy broth at 30-35 °C for 14 days Biochem/physiol Actions β:-Lactamases exhibit high carbapenemase activity. β:-lactamases can destroy the β:-lactam ring.

Description

General description

No detectable growth in tryptone soy broth at 30-35 °C for 14 days

Biochem/physiol Actions

β-Lactamases exhibit high carbapenemase activity. β-lactamases can destroy the β-lactam ring. True carbapenemases has the ability to hydrolyse several β-lactam ring containing carbapenems like meropenem, doripenem, imipenem and ertapenem.

Components

600-1500 IU beta-lactamase I per vial
60-150 IU beta-lactamase II per vial

Unit Definition

One unit will hydrolyze 1.0 μmole substrate per min (βI: benzylpenicillin; βII: cephalosporin C) in phosphate buffer, pH 7.0 at 25°C.

Physical form

Lyophilized powder containing sodium chloride, potassium phosphate, dipotassium phosphate and sorbitol.

Specifications
UPC:
41106202
Condition:
New
Weight:
1.00 Ounces
HazmatClass:
No
Quantity:
1
Unit of Measurement:
VL
MPN:
L7920-1VL
Catalog No. C005B-455910
Price: $972.97
List Price: $1,081.08
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