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学科主题: 分析化学
题名: Preparation of Durable Emitter of Electrospray Mass Spectrometry by Covalently Coating the Fused- Silica Capillary Tip with Carbon- Nanotube Sol-Gel Composite Material
其他题名: 碳纳米管-溶胶凝胶复合材料共价涂覆石英毛细管制备耐用的电喷雾质谱喷针
作者: Zhang HZ(张含智); Liu C(刘超); Zhang XP(张雪佩); Kang JW(康经武)
通讯作者: 康经武
刊名: Chin. J. Chem.
发表日期: 2014
DOI: 10.1002/cjoc.201400148
卷: 32, 期:4, 页:293-297
收录类别: SCI
英文摘要: A simple approach for the preparation of emitter of electrospray ionization mass spectrometry by covalently coating the fused-silica capillary tip with the conductive carbon-nanotube sol-gel composite material (CNTSCM) is described. The CNTSCM was prepared by dispersing single-walled carbon nanotubes in the sol composed of a mixture of 3-glycidoxypropyltrimethoxysilane and 3-aminopropyltrimethoxysilane, and ethanol. The long-term stability of the prepared ESI emitters was demonstrated by at least 180 h of continuous use. Signal intensity obtained by the prepared emitter was mass-flux sensitive when the flow rate was lower than 500 nL/min, while the signal intensity performed a concentration dependence when the flow rate was in the range of 500-800 nL/min. The usefulness of such a prepared emitter was demonstrated by the analysis of various types of samples such as organic small molecular drugs, oligosaccharide, peptide, and protein.
语种: 英语
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内容类型: 期刊论文
URI标识: http://ir.sioc.ac.cn/handle/331003/38587
Appears in Collections:分析化学研究室_期刊论文

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作者单位: 中科院上海有机化学研究所

Recommended Citation:
Zhang HZ,Liu C,Zhang XP,et al. Preparation of Durable Emitter of Electrospray Mass Spectrometry by Covalently Coating the Fused- Silica Capillary Tip with Carbon- Nanotube Sol-Gel Composite Material[J]. Chin. J. Chem.,2014,32(4):293-297.
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