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[Enzyme determination in vitro of inhibitor activity of beta-lactamase from tazobactam. Comparison with high performance liquid chromatography]. / Dosage enzymatique in vitro de l'activité inhibitrice de beta-lactamase du tazobactam. Comparaison à la chromatographic liquide à haute performance.
Sotto, A; Brunschwig, C; Ramuz, M; Jourdan, J.
Afiliación
  • Sotto A; Laboratoire Universitaire de Thérapeutique, CHU Carémeau, Nimes, France.
Pathol Biol (Paris) ; 45(1): 77-81, 1997 Jan.
Article en Fr | MEDLINE | ID: mdl-9097851
ABSTRACT
We developed an enzymatic method using nitrocefin to assay tazobactam in vitro. Tazobactam was incubated with TEM-1 beta-lactamase. Then, residual beta-lactamase activity was assayed by adding nitrocefin. This activity corresponded indirectly to the initial concentration of tazobactam. Within-assay, between-assay and accuracy coefficients of variation were below 15%. The correlation coefficients between enzymatic method and high performance liquid chromatography (the reference method)was 0.98. The enzymatic method is rapid, easy to perform and should be applied to daily clinical practice.
Asunto(s)
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Banco de datos: MEDLINE Asunto principal: Beta-Lactamasas / Ácido Penicilánico / Pruebas Enzimáticas Clínicas Idioma: Fr Año: 1997 Tipo del documento: Article
Buscar en Google
Banco de datos: MEDLINE Asunto principal: Beta-Lactamasas / Ácido Penicilánico / Pruebas Enzimáticas Clínicas Idioma: Fr Año: 1997 Tipo del documento: Article