Separating Lipid Classes by Column Chromatography

Column chromatography is used to separate lipid classes in a total lipid extract. A total lipid extract, or TLE, is often a complex mixture made up of hundreds or even thousands of compounds. Researchers may only need a few target compounds, so they remove the compounds they are not studying.

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Column chromatography is a flexible technique for purifying the complex mixture of compounds found in sediment. Mixtures separate as they move through the column and are collected in fractions, each containing a different chemical class of compounds. Therefore, column chromatography is often used as an additional purification step after initial ...