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Analytical methods for determining ascorbic acid in biological samples, food products, and pharmaceuticals.
Over the last decade, numerous publications have appeared describing analyses for ascorbic acid in food products, pharmaceuticals, and biological samples. This review focuses on the chemistryExpand
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Analysis of ascorbic acid by liquid chromatography with amperometric detection.
Publisher Summary This chapter presents the analysis of ascorbic acid by liquid chromatography with amperometric detection. Liquid chromatography with electrochemical detection (LCEC) approachExpand
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Comparison of results of various methods used to determine the extent of modification of methoxy polyethylene glycol 5000-modified bovine cupri-zinc superoxide dismutase.
The protein bovine cupri-zinc superoxide dismutase (SOD) was modified by the reaction of lysine residues with an active ester of methoxy polyethylene glycol 5000 (PEG). The extent of modification wasExpand
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Analytical methods for measuring uric acid in biological samples and food products.
During the last 7 decades, uric acid methodology has kept pace with the introduction of state-of-the-art technology (e.g., spectroscopy, electrochemistry, chromatography) or the discovery of uniqueExpand
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Electrochemical detection of selected organic components in the eluate from high-performance liquid-chromatography.
High-performance liquid chromatography can be combined with hydrodynamic thin-layer electrochemistry for determination of trace amounts of organic constituents in complex samples. With small andExpand
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Biological sample preparation and data reduction concepts in pharmaceutical analysis.
This paper describes strategies to rapidly develop sensitive and selective preparations using manual and robotic liquid-solid isolation (LSI) methods. LSI procedures offer selective isolation of drugExpand
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Estimation of serum uric acid by high performance liquid chromatography with electrochemical detection.
A precise method for serum uric acid is described based on direct electrochemical oxidation in the eluate from high performance liquid chromatography. The detection limit for uric acid was found toExpand
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