White analytical chemistry-driven, blue-guided LC-MS/MS method for simultaneous quantification of metformin and sitagliptin in human plasma
A liquid chromatography-tandem mass spectrometry method was developed for the simultaneous determination of metformin (MET) and sitagliptin (SIT) in human plasma. Chromatographic separation was achieved on an Endurus C18 pro-XR 4.6 × 100 mm column, using methanol and 2 mM ammonium formate (0.1% formic acid, pH 3) (...