Analytical isotachophoresis of uremic blood samples
Journal of Chromatography B: Biomedical Sciences and Applications(1979)
摘要
Uremic blood samples were analyzed for ionogenic substances using analytical isotachophoresis. Multicomponent separations proved that the uremic state shows significant differences from the normal state, especially with regard to anionic low-molecular-weight substances. As a quantitative parameter the ratio of anionic higher-molecular-weight substances to anionic low-molecular-weight substances is proposed: the HL ratio. Separation patterns and HL ratios were studied during nine weeks for one patient on chronic hemodialysis. The patient showed a low HL ratio due to excess of low-molecular-weight substances. Separation patterns before and after hemodialysis showed clear differences and the HL ratio increased. The method of analysis is neither time- nor sample-consuming and sample preparation is not needed. Experimental procedures are easily standardized and results are reliable.
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关键词
Metabolomics
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