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首页> 外文期刊>Proceedings of the National Academy of Sciences of the United States of America >Silver ion high pressure liquid chromatography provides unprecedented separation of sterols: Application to the enzymatic formation of cholesta-5,8-dien-3β-ol
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Silver ion high pressure liquid chromatography provides unprecedented separation of sterols: Application to the enzymatic formation of cholesta-5,8-dien-3β-ol

机译:银离子高压液相色谱提供前所未有的固醇分离:在酶促形成胆甾醇5,8-dien-3β-ol中的应用

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摘要

We report that silver ion HPLC provides remarkable separations of C_27 sterols differing only in the number or location of olefinic double bonds. This technique has been extended to LC-MS, analysis of purified components by GC, GC-MS, and ~1H NMR, and to its use on a semiprepara- tive scale. The application of this methodology for the dem- onstration of the catalysis, by rat liver microsomes, of the conversion of 7-dehydrocholesterol to cholesta-5,8-dien-3-ol is also presented.
机译:我们报道银离子HPLC提供了C_27固醇的显着分离,仅在烯烃双键的数量或位置上不同。这项技术已扩展到LC-MS,通过GC,GC-MS和〜1H NMR分析纯化的成分,并扩展到半制备规模。还介绍了该方法在证明大鼠肝微粒体催化7-脱氢胆固醇向cholesta-5,8-dien-3-ol转化中的应用。

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