Simultaneous analysis of carbohydrates, polyols and amines in urine samples using chemical ionization gas chromatography with tandem mass spectrometry

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EarlyView Article

  • Published: Nov 27, 2017
  • Author: Róbert Kubinec, Peter Kotora, Viktória Ferenczy, Jaroslav Blaško, Peter Podolec, Alexandra Hengerics Szabó, Darina Behúlová, Václav Bierhanzl, Radomír Čabala, Stanislav Stuchlík, Wojciech Filipiak, Ngô Mạnh Thắng
  • Journal: Journal of Separation Science

Abstract

A simple method for the simultaneous derivatization of carbohydrates, polyols, amines and amino acids using hexamethyldisilazane and N,O‐bis(trimethylsilyl)trifluoroacetamide was developed. This method allows the direct derivatization of urine samples without sample pretreatment before derivatization. The method was successfully used for analysis of the selected metabolites in urine samples of healthy individuals and neonates suffering from galactosemia. The limits of detection by positive chemical ionization gas chromatography with tandem mass spectrometry analysis were in the range of 1.0 mgL‐1 for mannitol to 4.7 mg/L for glucose.

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