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Separation of Nucleotides by Micellar Electrokinetic Chromatography
Author(s): 
Pages: 227-230
Year: Issue:  2
Journal: CHINESE JOURNAL OF ANALYTICAL CHEMISTRY

Keyword:  胶束电动色谱核苷分离;
Abstract: 在胶束电动色谱模式下,考察了影响核苷分离的缓冲溶液、SDS浓度、pH、表面活性剂、有机添加剂、分离温度及外加电压等重要因素,并优化了关键的分离条件,建立了一种简单快速的利用毛细管胶束电动色谱DAD检测器分离分析核苷的新方法.当缓冲溶液为36 mmol/L硼酸缓冲液(pH 9.0)、30 mmol/L SDS和3%(V/V)乙腈,分离电压为25 kV和分离温度为25℃时,5种核苷在6 min内实现了令人满意的基线分离.在优化的条件下,对其线性范围、检出限和重现性进行了测定.结果表明,核苷的迁移时间的重现性<1%;面积的重现性<3%.所建立的分离方法的线性范围宽,检出限低,重现性好.
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