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A whole-cell assay for screening cholesterol biosynthesis inhibitors in the post-squalene pathway has been developed. HL 60 cells were incubated for 24h with test substances. The nonsaponifiable lipids were extracted by means of liquid–liquid extraction using tert-butylmethylether. The raw extracts were purified by dispersive solid phase extraction using a primary–secondary amine material (PSA) and...
A convenient analytical method for the simultaneous determination of more than 40 pharmaceuticals belonging to various therapeutic categories in whole blood has been developed. Exemplarily, the method was fully validated for eight different pharmaceuticals. The procedure entails addition of acetonitrile, magnesium sulfate and sodium chloride to a small amount of blood, then the mixture is shaken intensively...
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