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• W2037752373 abstract "A highly sensitive and precise method for the determination of the polyamines putrescine, cadaverine, spermidine and spermine and all their monoacetyl derivatives in a single analysis in human and animal urine, serum and tissue samples is described. For polyamine separation, an ion-pairing reversed-phase high-performance liquid chromatographic (HPLC) method is used, followed by post-column derivatization with o-phthalaldehyde and consecutive fluorescence detection. Urine and serum samples are purified with a Bond Elut silica cartridge. The detection limit for polyamines is 0.5–1.0 pmol and excellent linearity is achieved in the range from 3 pmol up to more than 10 nmol. The influence of some modifications of different analytical steps such as the temperature of the HPLC column and the derivatization reaction coil and the o-phthalaldehyde flow-rate is described. Quality control data and measurements of the reproducibility of the method are presented. In order to establish a rapid analytical method for easy routine use, all steps for preparation and quantitative analysis are minimized. This method was applied to the determination of total polyamines in human urine and serum hydrolysate and of free and acetylated polyamines in human urine and pancreatic tissue of the rat. Values for normal polyamine concentrations in the urine and serum of fifteen male and fifteen female healthy volunteers and in the pancreas of ten normal rats are presented." @default.
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• W2037752373 date "1988-01-01" @default.
• W2037752373 modified "2023-09-24" @default.
• W2037752373 title "Reversed-phase liquid chromatographic separation and simultaneous fluorimetric detection of polyamines and their monoacetyl derivatives in human and animal urine, serum and tissue samples: An improved, rapid and sensitive method for routine application" @default.
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• W2037752373 doi "https://doi.org/10.1016/s0378-4347(00)83160-6" @default.
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