Liquid chromatography tandem mass spectrometry (LC-MS) was carried out with a Shimadzu Prominence HPLC system and SCIEX 6500 mass spectrometer. An aliquot of 20 µl of each sample was injected onto an ...
Liquid chromatography tandem mass spectrometry (LC-MS) was carried out with a Shimadzu Prominence HPLC system and SCIEX 4000 mass spectrometer. An aliquot of 10 µl of each sample was injected onto an ...