Items for "liquid chromatography-electrospray ionization tandem mass spectrometry"

A simple high-throughput method for the determination of plasma methylmalonic acid by liquid chromatography-tandem mass spectrometry

Background: Cobalamin (Cbl) deficiency is a common clinical phenomenon, in particular among the elderly and possibly also among infants...

Keywords: cobalamin, homocysteine, liquid chromatography-electrospray ionization tandem mass spectrometry, methylmalonic acid (MMA), vitamin B12