NMR Chemical Shift Ranges of Urine Metabolites in Various Organic Solvents
AbstractSignal stability is essential for reliable multivariate data analysis. Urine samples show strong variance in signal positions due to inter patient differences. Here we study the exchange of the solvent of a defined urine matrix and how it affects signal and integral stability of the urinary metabolites by NMR spectroscopy. The exchange solvents were methanol, acetonitrile, dimethyl sulfoxide, chloroform, acetone, dichloromethane, and dimethyl formamide. Some of these solvents showed promising results with a single batch of urine. To evaluate further differences between urine samples, various acid, base, and salt solutions were added in a defined way mimicking to some extent inter human differences. Corresponding chemical shift changes were monitored. View Full-Text
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Görling, B.; Bräse, S.; Luy, B. NMR Chemical Shift Ranges of Urine Metabolites in Various Organic Solvents. Metabolites 2016, 6, 27.
Görling B, Bräse S, Luy B. NMR Chemical Shift Ranges of Urine Metabolites in Various Organic Solvents. Metabolites. 2016; 6(3):27.Chicago/Turabian Style
Görling, Benjamin; Bräse, Stefan; Luy, Burkhard. 2016. "NMR Chemical Shift Ranges of Urine Metabolites in Various Organic Solvents." Metabolites 6, no. 3: 27.
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