New urea-modified paper substrate for enhanced analytical performance of negative ion mode paper spray mass spectrometry

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成果类型：

期刊论文

作者：

Liu, Jingjing;He, Yan;Chen, Shuo;Ma, Ming*;Yao, Shouzuo;...

通讯作者：

Ma, Ming;Chen, Bo

作者机构：

[Liu, Jingjing; Ma, Ming; Chen, Bo; He, Yan; Yao, Shouzuo] Hunan Normal Univ, Key Lab Phytochem R&D Hunan Prov, Changsha 410081, Hunan, Peoples R China.

[Liu, Jingjing; Ma, Ming; Chen, Bo; He, Yan; Yao, Shouzuo] Hunan Normal Univ, Key Lab Chem Biol & Tradit Chinese Med Res, Minist Educ, Changsha 410081, Hunan, Peoples R China.

[Liu, Jingjing] Univ South China, Coll Chem & Chem Engn, Hengyang 421001, Peoples R China.

[Chen, Shuo] Hunan Univ, Coll Chem & Chem Engn, State Key Lab Chemo Biosensing & Chemometr, Changsha 410082, Hunan, Peoples R China.

通讯机构：

[Ma, M; Chen, B] H

Hunan Normal Univ, Key Lab Phytochem R&D Hunan Prov, Changsha 410081, Hunan, Peoples R China.

Hunan Normal Univ, Key Lab Chem Biol & Tradit Chinese Med Res, Minist Educ, Changsha 410081, Hunan, Peoples R China.

语种：

英文

关键词：

Negative ion mode analysis;Paper spray mass spectrometry;Salicylic acid;Terpene lactones;Urea modified paper substrate

期刊：

Talanta

ISSN：

0039-9140

年：

2017

卷：

166

页码：

306-314

DOI：

10.1016/j.talanta.2017.01.076

基金类别：

National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [21575040, 21405044, 21275049]; foundation for innovative research groups of the Hunan Natural Science Foundation of China [2015JC1001]

机构署名：

本校为其他机构

院系归属：

化学化工学院

摘要：

Electrospray ionization mass spectrometry (ESI-MS) analysis in the negative ion mode is adversely affected by ionization suppression caused by electrical discharge and the presence of salts. Paper spray mass spectrometry (PS-MS) also suffers from the above phenomenon, being built on principles similar to those of ESI. Herein, we report the use of a paper substrate modified by 1-[3-(trimethoxysilyl)propyl]urea to improve the sensitivity of quantitative PS-MS analysis in the negative ion mode. The obtained results demonstrated that the urea modified paper substrate can effectively bind anions an...

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New urea-modified paper substrate for enhanced analytical performance of negative ion mode paper spray mass spectrometry

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