Figure 3From: Development and validation of a robust automated analysis of plasma phospholipid fatty acids for metabolic phenotyping of large epidemiological studiesMultipurpose sampler (MPS) systems for automated sample preparation and derivatization of fatty acids of the phospholipid fraction from human plasma samples. (a) MPS single beam for phospholipid extraction. 1) Solid-phase extraction (SPE) MPS Beam; 2) syringe holder; 3) 1 mol/l saline reservoir; 4) solvent reservoirs; 5) three-position tray holder, 6) SPE cartridge tray; 7) SPE/blowdown; 8) vortex/centrifuge. (b)) Dual-beam MPS system for phospholipid hydrolysis, derivatization and injection. 1) Derivatization MPS beam; 2) derivatization syringe holder; 3) injection MPS beam; 4) injection syringe holder; 5) heated zone; 6) wash vials; 7) SPE/blowdown; 8) solvent reservoirs; 9) four-position tray holder; 10) agitator.Back to article page