Toward rapid preparation of capillary columns for electrochromatography use

Toward rapid preparation of capillary columns for electrochromatography use
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快速制备电色谱用毛细管柱

DOI:
10.1002/elps.201300503
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发表时间:
2014-03
期刊:
影响因子:
2.9
通讯作者:
Bo Zhang
Bo Zhang
中科院分区:
生物学3区
文献类型:
--
作者:
Qing Liu;Lin Wang;Zhuoheng Zhou;Qiuquan Wang;Lijuan Yan;Bo Zhang

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CEC是一种高效的电驱动液相分离技术。它不需要复杂和精密的高压仪器来进行纳米流驱动。这对于并行多列分析是有吸引力的。为此,需要用于柱制备的高通量方法来支持多个柱的使用。本研究直接以CEC移动的相溶液为填充溶剂,实现了基于单粒子烧结技术的毛细管柱快速制备。该方法具有较高的制备通量相比,其他报道的方法的基础上各种烧结技术。单颗粒烧结方法将柱制备通量提高到1柱/h,包括所有烧结、填充和调节步骤。快速制备的色谱柱显示出高达150 000板/米的一贯高效率,并在中性,带电和生物分子的反相CEC中有用。用标准肽作为样品,观察到良好的长期重现性(保留时间的RSD优于0.8%,10天)。
CEC is a high performance electrodriving liquid phase separation technique. It does not need complex and sophisticated high pressure instrumentation for nanoflow driving. This is attractive for parallel multicolumn analysis. To this end, high throughput methods for column preparation are needed to support the use of multiple columns. In this study, we directly used CEC mobile phase solution as the packing solvent, and realized rapid preparation of capillary columns based on a single particle fritting technology. The method presented high preparation throughput compared with other reported methods based on various fritting technologies. The single particle fritting approach promoted column preparation throughput to 1 column/h, including all the fritting, packing and conditioning steps. The rapidly prepared columns showed consistently high efficiency of up to 150 000 plates per meter, and usefulness in reversed phase CEC of neutral, charged and biomolecules. With standard peptides as the sample, excellent long term reproducibility (better than 0.8%RSD, ten days, for retention times) was observed.
DOI: 10.1016/s0021-9673(01)00772-5
发表时间: 2001-07
期刊: Journal of chromatography. A
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作者:
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