In high-performance liquid chromatography (High Performance Liquid Chromatography, HPLC), octadecylsilane-bonded stationary phase (Octadecylsilane, C18) is the most commonly used reversed-phase stationary phase. The main separation basis of C18 is hydrophobic partitioning: the more hydrophobic a ...
Amino acid analysis is a fundamental technical component in biological sample analysis, nutritional evaluation, metabolism research, and fermentation process control. Its analytical targets include free amino acids, total amino acids after hydrolysis, specific single amino acids, and certain ...
Hydroxyproline determination is a classical quantitative technique in collagen-related research and is widely used in fibrosis assessment, tissue-remodeling studies, collagen-material analysis, and pharmacodynamic evaluation.
Vitamin C content determination is not merely a matter of quantification, but rather a comprehensive analytical issue involving definition of the target analyte form, sample stabilization procedures, methodological selection, and the interpretive boundaries of analytical results. Because vitamin ...
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