Hydrophilic interaction liquid chromatography (HILIC)--a powerful separation technique.

Hydrophilic interaction liquid chromatography (HILIC)--a powerful separation technique.
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DOI:
10.1007/s00216-011-5308-5
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发表时间:
2012-01
影响因子:
4.3
通讯作者:
Noga, Sylwia
Noga, Sylwia
中科院分区:
化学2区
文献类型:
--
作者:
Buszewski, Boguslaw;Noga, Sylwia

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亲水相互作用液相色谱 (HILIC) 提供了一种在极性固定相上有效分离小极性化合物的替代方法。这项工作的目的是回顾 HILIC 固定相表征的选项及其在复杂基质中极性化合物分离中的应用。亲水固定相的特性可能会影响并在某些情况下限制流动相组成、离子强度或可用缓冲液 pH 值的选择,因为可能会发生亲水分配以外的机制。增强我们对 HILIC 保留行为的理解扩大了液相色谱的可能应用范围。一种有趣的选择也可能是在正交和/或二维分离中使用 HILIC。还介绍了 HILIC 系统的生物应用。  
Hydrophilic interaction liquid chromatography (HILIC) provides an alternative approach to effectively separate small polar compounds on polar stationary phases. The purpose of this work was to review the options for the characterization of HILIC stationary phases and their applications for separations of polar compounds in complex matrices. The characteristics of the hydrophilic stationary phase may affect and in some cases limit the choices of mobile phase composition, ion strength or buffer pH value available, since mechanisms other than hydrophilic partitioning could potentially occur. Enhancing our understanding of retention behavior in HILIC increases the scope of possible applications of liquid chromatography. One interesting option may also be to use HILIC in orthogonal and/or two-dimensional separations. Bioapplications of HILIC systems are also presented.  
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