
Sample preparation and UHPLC-FD analysis of pteridines in human urine
Keywords: ACN, acetonitrile; BEH, ethylene bridged hybrid; BH2, dihydrobiopterin; BH4, tetrahydrobiopterin; BIO, biopterin; CREA, creatinine; DTT, dithiothreitol; EMA, European Medicines Agency; FD, fluorescence detection; HILIC, hydrophilic interaction liquid chro