Please use this identifier to cite or link to this item: https://doi.org/10.1016/S0378-4347(97)00443-X
Title: Comparative analysis of conjugated bile acids in human serum using high-performance liquid chromatography and capillary electrophoresis
Authors: Lee, B.L
New, A.L.
Ong, C.N. 
Keywords: Bile acids
Issue Date: 1997
Source: Lee, B.L,New, A.L.,Ong, C.N. (1997). Comparative analysis of conjugated bile acids in human serum using high-performance liquid chromatography and capillary electrophoresis. Journal of Chromatography B: Biomedical Applications 704 (1-2) : 35-42. ScholarBank@NUS Repository. https://doi.org/10.1016/S0378-4347(97)00443-X
Abstract: This paper describes the analysis of conjugated bile acids in human serum using reversed-phase high-performance liquid chromatography (HPLC) and micellar electrokinetic capillary electrophoresis (CE). Samples of healthy subjects and patients with different hepatic diseases were pretreated with a simple preparation procedure using a solid-phase extraction technique. The optimal analytical conditions of both chromatographic methods were investigated for the convenience and reliability for routine analysis. Both HPLC and CE methods were found to be reliable and compatible. The recoveries of nine bile acid conjugates using both methods were generally >85% and reproducibility >90%. The day-to-day variation of retention time was <5% for HPLC, while the variation of migration time for CE was <3%. Although the detection limit of the HPLC method (1 nmol/ml) was five times more sensitive than that of the CE method, the CE method was considered to be more time and cost effective.
Source Title: Journal of Chromatography B: Biomedical Applications
URI: http://scholarbank.nus.edu.sg/handle/10635/31816
ISSN: 15726495
DOI: 10.1016/S0378-4347(97)00443-X
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