Analysis of cephalosporins in bronchial secretions by capillary electrophoresis after simple pretreatment

Andrási, Melinda and Gáspár, Attila and Klekner, Almos (2007) Analysis of cephalosporins in bronchial secretions by capillary electrophoresis after simple pretreatment. Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences, 846 (1-2). pp. 355-358. ISSN 1570-0232

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Abstract

The applicability of capillary zone electrophoresis (CZE) for analysis of cephalosporin antibiotics has been studied in bronchial secretion as highly viscous, thick and non-homogeneous samples. The lyophilization was found to be a simple but effective pretreatment of these samples to bring them into a form which is suitable for injection to CE capillary. The obtained good recovery data prove that the lyophilization/dissolution of bronchial secretion samples can be reproducibly performed.

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