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学科主题: 分析化学
题名: Extraction and derivatization in single drop coupled to MALDI-FTICR-MS for selective determination of small molecule aldehydes in single puff smoke
其他题名: 单液滴萃取衍生化结合MALDI-FTICR-MS法选择鉴定单口烟气中的小分子醛类
作者: Xie JP(谢建平) ; Yin J(尹洁) ; Sun SH(孙世豪) ; Xie FW(谢复炜) ; Zhang X(张祥) ; Guo YL(郭寅龙)
通讯作者: 郭寅龙
刊名: Anal. Chim. Acta
发表日期: 2009
卷: 638, 期:2, 页:198-201
收录类别: SCI
部门归属: 上海有机所; 郑州烟草研究所
英文摘要: Extraction and derivatization in single drop (EDSD) coupled to matrix-assisted laser desorption/ionization Fourier transform ion cyclotron resonance mass spectrometry (MALDI-FTICR-MS) was utilized to determine small molecular aldehydes (SMAs) in single puff smoke. A methanol solution of diphenylamine, 2,5-dihydroxybenzoic acid was used for extraction/derivatization of SMAs and a microdrop of the extraction solution containing the ionic derivatization products of SMAs could be directly deposited in the MALDI target to perform the measurement of SMAs in the cigarette smoke on puff level by MALDI-FTICR-MS. As a result, a consecutive operation of sample pre-treating and MALDI sample plate preparation was achieved. SMAs were derivatized by the reaction with diphenylamine and transformed a stable Schiff base bearing a quaternary ammonium group, and the sensitivity of analysis for SMAs was significantly improved. Good sample homogeneity in in-dot was achieved by adding diphenylamine into the solvent for EDSD and a satisfying repeatability (R.S.D. = 7.3% for formaldehyde, n = 5) of MALDI-FTICR-MS signals was obtained. This solvent- and reagent-minimized approach with an automatic potential provided a simple, rapid, and accurate procedure for the determination of SMAs in smoke. (C) 2009 Elsevier B.V. All rights reserved.
语种: 英语
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WOS记录号: WOS:000265333300012
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内容类型: 期刊论文
URI标识: http://ir.sioc.ac.cn/handle/331003/19984
Appears in Collections:分析化学研究室_期刊论文

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Recommended Citation:
Xie JP,Yin J,Sun SH,et al. Extraction and derivatization in single drop coupled to MALDI-FTICR-MS for selective determination of small molecule aldehydes in single puff smoke[J]. Anal. Chim. Acta,2009,638(2):198-201.
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