Determination of Glycerol in Fermentation Solutions: a Rapid Chromatographic Procedure
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Rapid High Performance Liquid Chromatographic Determination of Risperidone in Human Plasma
A simple, rapid and sensitive high-performance liquid chromatographic (HPLC) method for the determination of risperidone in human plasma was developed. An HPLC system based on a Nucleosil C8 column (150?4 mm) and a UV detector (?= 280 nm) were used. A mixture of sodium dihydrogen phosphate buffer-acetonitrile (55:45, v/v) adjusted to pH 6.0 at a flow rate of 1.5 ml min-1 was used as mobile phas...
متن کاملRapid High Performance Liquid Chromatographic Determination of Risperidone in Human Plasma
A simple, rapid and sensitive high-performance liquid chromatographic (HPLC) method for the determination of risperidone in human plasma was developed. An HPLC system based on a Nucleosil C8 column (150?4 mm) and a UV detector (?= 280 nm) were used. A mixture of sodium dihydrogen phosphate buffer-acetonitrile (55:45, v/v) adjusted to pH 6.0 at a flow rate of 1.5 ml min-1 was used as mobile phas...
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We describe an analysis for metformin in plasma and urine by use of cation-exchange "high-performance" liquid chromatography. The assay requires only 0.5 mL of sample and involves pretreatment with trichloroacetic acid containing an internal standard (1-propylbiguanide), followed by centrifugation and injection into the chromatograph. The column eluent is monitored at 230 nm. Metformin and 1-pr...
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1. Kessler, G., and Wolfman, M., An automated procedure for the simultaneous determination of calcium and phosphorus. Clin. Chem. 10, 686 (1964). 2. Gitelman, H. J., An improved automated procedure for the determination of calcium in biological specimens. Anal. Biochem. 18, 521 (1967). 3. Lott, J. A., and Herman, T. S., Increased AutoAnalyzer dialysis of calcium and magnesium in presence of pro...
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S���� D., P������ P., K������ T., K������ B., K���� V. (2003): Liquid chromatographic determination of biogenic amines in a meat product during fermentation and long-term storage. Czech J. Food Sci., 21: 167–175. Liquid chromatographic procedures employing two derivatisation reagents, dansylchloride and o-phthaldialdehyde (OPA), were compared and applied for the determination of biogenic amines...
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ژورنال
عنوان ژورنال: Nature
سال: 1953
ISSN: 0028-0836,1476-4687
DOI: 10.1038/171655a0