Capillary electrophoresis coupled to negative mode electrospray ionization-mass spectrometry using an electrokinetically-pumped nanospray interface with primary amines grafted to the interior of a glass emitter

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• 作者：Scott A. Sarver¹ ; Nicole M. Schiavone ; Jennifer Arceo ; Elizabeth H. Peuchen ; Zhenbin Zhang ; Liangliang Sun² ; Norman J. Dovichi ; ^{ndovichi@nd.edu}
• 关键词：Capillary electrophoresis ; Electrospray ionization ; Negative ; Ionization ; Metabolites
• 刊名：Talanta
• 出版年：2017
• 出版时间：1 April 2017
• 年：2017
• 卷：165
• 期：Complete
• 页码：522-525
• 全文大小：482 K
• 卷排序：165

文摘

We grafted primary amines to the interior of an electrospray emitter. The amines generate stable flow to the emitter in electrophoresis performed in negative mode. We used the modified electrospray to detect negatively charged metabolites from Xenopus laevis embryos.