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有读书笔记Preparation of highly efficient monolithic silica capillary columns for the separations in weak cation-exchange and HILIC modes

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02151210 添加于 2009-09-05 09:00 213 次阅读 | 0 个评论 收藏到我的文库| 导出该文献

  •  作 者

    IKEGAMI T, HORIE K, JAAFAR J, HOSOYA K, TANAKA N

  •  摘 要

    Weak cation-exchange (WCX) and HILIC modes columns were prepared by on- column polymerization of acrylic acid on monolithic silica capillary columns modified with N -(3-triethoxysilylpropyl)methacrylamide anchor groups. The polymer-coated columns could be used for HILIC mode separation of pyridylamino (PA)-sugars and peptides including a tryptic digest of BSA, while for weak cation-exchange mode for the separation of proteins and nucleosides even at high linear velocity. The poly(acrylic acid) coated monolithic silica capillary columns showed greater retention toward PA-sugars than a polyacrylamide coated monolithic silica capillary columns prepared in the same manner. Proteins and nucleosides were separated effectively at pH 6.9 using the same column. The column provided fair permeability after the polymer-coating step. High-speed separation of proteins at u  = 4.66 mm/s with high efficiency was shown to be possible, while high-speed separation of nucleosides has achieved within one minute using the column at u  = 8.67 mm/s, suggesting that the column will be suitable for the second dimension separation of multidimensional HPLC systems.

  •  详细资料

    • 文献种类: Journal Article
    • 期刊名称: Journal of Biochemical and Biophysical Methods
    • 期刊缩写: Journal of Biochemical and Biophysical Methods
    • 期卷页: 2007年  第70卷 第1期 31-37页
    • ISBN: 0165022X

  • 学科领域 自然科学 » 化学

  •  标 签

    整体柱 

  • 相关链接 DOI URL 

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