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  • Title: An ultraperformance liquid chromatography method for the normal-phase separation of lipids.
    Author: McLaren DG, Miller PL, Lassman ME, Castro-Perez JM, Hubbard BK, Roddy TP.
    Journal: Anal Biochem; 2011 Jul 15; 414(2):266-72. PubMed ID: 21402047.
    Abstract:
    An ultraperformance liquid chromatography method using normal-phase solvents, a silica column, and evaporative light-scattering detection is presented. The method is based on a quaternary gradient profile and is capable of resolving the major neutral and polar lipids present in plasma and animal tissue in under 5 min, with a total cycle time of 11 min. Limits of quantitation for 7 different lipid classes were on the order of 200 ng of material on column which enables an accurate analysis from as little as 20 μL of plasma or 50 mg of tissue for typical samples. Intraday and interday precision for the determination of the major lipid classes in human plasma ranged from 3.6 to 10.5% CV with a variability in retention time of less than 6%. The utility of the method is demonstrated through the separation and quantitation of lipids in mouse plasma, liver, and heart tissue.
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