β-Lactamase Strips are test strips for the rapid acidimetric detection of the β-lactamase activity of microorganisms. The test is based on hydrolysis of the β-lactam ring in benzylpenicillin, which results in the production of penicilloic acid. This process causes acidification of the bacterial suspension, and changes the colour of the acidobasic indicator. The acidobasic test for β-lactamase activity is suitable only for the detection of Haemophilus influenzae, Neisseria gonorrhoeae and Staphylococcus spp. This test is not suitable for the detection of the β-lactamase activity of other microorganisms (Branhamella catarrhalis, Enteroccocus faecalis, Neisseria meningitis, Enterococcus spp. and others). The result of the reaction is read after 2-10 min.
Components
The kit contains: Plastic strips with an active zone saturated with benzylpenicillin and an acidobasic indicator (Cat. No. 56348) 100 pcs Moistening solution (Cat. No.23134) 70mL
The EMBO journal, 39(19), e105071-e105071 (2020-08-26)
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For microbiologists the most fundamental stain was developed in 1884 by the Danish bacteriologist Hans Christian Gram.
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