## Abstract Quantification of brazilein in rat plasma following intravenous administration was achieved by reversedβphase highβperformance liquid chromatography using a mobile phase of acetonitrileβ0.05 m potassium dihydrogen phosphate water (containing 0.5% triethylamine, pH 3.0; 20:80 v/v) and UV
Micromethod for the Determination of Heparin in Plasma after Intravenous and Subcutaneous Administration
β Scribed by P. Oreste; M. Peruzzi; P. Stella
- Publisher
- Elsevier Science
- Year
- 1993
- Tongue
- English
- Weight
- 445 KB
- Volume
- 210
- Category
- Article
- ISSN
- 0003-2697
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β¦ Synopsis
A sensitive method has been developed for extracting and analyzing heparin from plasma after intravenous and subcutaneous administration in humans and rabbits. The glycosaminoglycans are precipitated from the biological fluid as cetylpyridinium salt, and heparin is cleaved with heparinase. The reaction products are analyzed by polyacrylamide gel electrophoresis and visualized by staining with Azure A/ammoniacal silver. With this method (12 \mathrm{ng}) of heparin can be detected. (C) 1983 Academic Press, Inc.
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