Chment of tissue protein phenylalanine making use of gas chromatography-combustion-isotope ratio mass spectrometry
Chment of tissue protein phenylalanine employing gas chromatography-combustion-isotope ratio mass spectrometry (GC-C-IRMS; MAT 252, Finnigan, Breman, Germany). Typical regression curves had been applied from a series of recognized typical enrichment…