کد مقاله کد نشریه سال انتشار مقاله انگلیسی ترجمه فارسی نسخه تمام متن
1207827 1493735 2007 8 صفحه PDF سفارش دهید دانلود رایگان
عنوان انگلیسی مقاله ISI
Effects of inner diameter of monolithic column on separation of proteins in capillary-liquid chromatography
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موضوعات مرتبط
مهندسی و علوم پایه شیمی شیمی آنالیزی یا شیمی تجزیه
پیش نمایش صفحه اول مقاله
Effects of inner diameter of monolithic column on separation of proteins in capillary-liquid chromatography
چکیده انگلیسی

Polymer monolithic columns with I.D. between 100 and 320 μm were prepared by in-situ polymerization of styrene and divinylbenzene in fused silica capillaries. The effects of monolithic column I.D. on the separation of proteins in reversed-phase capillary-liquid chromatography under gradient elution were systemically studied. The loading capacity was positively proportional to the volume of the stationary phase. It was found that the smaller diameter columns showed better performance for protein separation. The minimum plate height decreases from 34.99 μm (320 μm I.D. column) to 5.39 μm (100 μm I.D. column) for a retained protein. After studying the three parameters of the Van Deemter equation, it was interpreted that the smaller diameter can provide less flow resistance and the better performance may also be improved by the increasing of the effective diffusion. This conclusion was also supported by the data of separation permeability and breakthrough curves.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Chromatography A - Volume 1170, Issues 1–2, 2 November 2007, Pages 15–22
نویسندگان
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