## Abstract The proposed combination of a rather simple procedure for sample preparation with capillary gasβliquid chromatography using a barium carbonate/polyethyleneglycol 20,000 column and a Grobβtype onβcolumn injector permits measurement of bile acids in serum with high separation efficiency,
Gas-liquid chromatographic assay of serum bile acids
β Scribed by P.E. Ross; C.R. Pennington; I.A.D. Bouchier
- Publisher
- Elsevier Science
- Year
- 1977
- Tongue
- English
- Weight
- 437 KB
- Volume
- 80
- Category
- Article
- ISSN
- 0003-2697
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β¦ Synopsis
A sensitive method has been established for the analysis of serum bile acids by gas-liquid chromatography (glc). Bile acids are extracted from 0.5-2 ml of serum and analysed as methyl ester trifluoroacetates following enzymatic hydrolysis of the taurine and glycine conjugates. The method as described has been used to estimate serum bile acid levels in health and disease although bile acid sulphates are not detected. Inclusion of a solvolysis procedure before enzymatic hydrolysis would allow their measurement.
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The mobilities of coenzyme A and coenzyme A derivatives of cholate, chenodeoxycholate, deoxycholate, lithocholate, and their 501 analogs were studied in reversed-phase high-performance liquid chromatography. With a C,s Radial-PAK A cartridge (lo-pm particles) and a solvent mixture of 2-propanol/lO m