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  • Title: Quantification of major classes of Xenopus phospholipids by high performance liquid chromatography with evaporative light scattering detection.
    Author: Stith BJ, Hall J, Ayres P, Waggoner L, Moore JD, Shaw WA.
    Journal: J Lipid Res; 2000 Sep; 41(9):1448-54. PubMed ID: 10974052.
    Abstract:
    Lipid signaling has become a major research area of cell biology and there is a need for methods that accurately and easily measure substrates and products of lipases involved in cell signaling. In this report, we provide new methodology for separation of more than 10 lipids in one chromatographic run by high pressure liquid chromatography (HPLC) and detection with an evaporative light scattering detector (ELSD). There is no significant loss of sphingomyelin and no large baseline change, no peak obscures another, and acidic phospholipids are cleanly separated. We have optimized the procedure for a two-pump HPLC, an inexpensive silica column without the use of a column heater jacket and for low grade nitrogen. An application of the procedure separates lipids from Xenopus laevis cells. These cells are commonly used in the study of various lipid signaling paths in cell division, fertilization, and after expression of exogenous membrane receptors.
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