Simultaneous determination of uric acid and creatinine in urine by an eco-friendly solvent-free high performance liquid chromatographic method

A simple, rapid, and eco-friendly analytical method for simultaneous determination of uric acid and creatinine in urine applying high performance liquid chromatography (HPLC) is described. After dilution, de-protein, and filtration, the sample solution was injected to separate the species with C-18...

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Veröffentlicht in:Talanta (Oxford) 2002-10, Vol.58 (4), p.711-717
Hauptverfasser: Jen, Jen-Fon, Hsiao, Shih-Liang, Liu, Kang-Hsiung
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Hsiao, Shih-Liang
Liu, Kang-Hsiung
description A simple, rapid, and eco-friendly analytical method for simultaneous determination of uric acid and creatinine in urine applying high performance liquid chromatography (HPLC) is described. After dilution, de-protein, and filtration, the sample solution was injected to separate the species with C-18 column by an eluent containing 0.05 M ammonium phosphate buffer at pH 7.4. An UV detector was used to monitor the separation of species at 235 nm. Optimum conditions for separation and detection were investigated. Results indicated that under optimized condition measurements were achieved within 13 min. The detection limits were 0.127 and 0.156 μg ml−1 for uric acid and creatinine respectively. The recovery was 95% (0.57% RSD) for uric acid and 99.2% (0.98% RSD) for creatinine, from five measurements. Real urine specimens were tested.
doi_str_mv 10.1016/S0039-9140(02)00377-6
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subjects Analytical, structural and metabolic biochemistry
Biological and medical sciences
Creatinine
Environmental-friendly
Fundamental and applied biological sciences. Psychology
High performance liquid chromatography
Intermediary metabolites. Miscellaneous
Other biological molecules
Uric acid
title Simultaneous determination of uric acid and creatinine in urine by an eco-friendly solvent-free high performance liquid chromatographic method
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