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题名: Matrix-assisted laser desorption/ionization time-of-flight mass spectrometry with a matrix of carbon nanotubes for the analysis of low-mass compounds in environmental samples
作者: Hu, LG;  Xu, SY;  Pan, CS;  Yuan, CG;  Zou, HF;  Jiang, GB
通讯作者: 邹汉法 ;  江桂斌
刊名: ENVIRONMENTAL SCIENCE & TECHNOLOGY
发表日期: 2005-11-01
DOI: 10.1021/es0508572
卷: 39, 期:21, 页:8442-8447
收录类别: SCI
文章类型: Article
部门归属: 18
项目归属: 1809
产权排名: 2;1
WOS标题词: Science & Technology ;  Technology ;  Life Sciences & Biomedicine
类目[WOS]: Engineering, Environmental ;  Environmental Sciences
研究领域[WOS]: Engineering ;  Environmental Sciences & Ecology
英文摘要: The use of matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF-MS) for environmental analysis has been mainly focused on qualitative analysis of high-mass molecules, such as toxins, humic acid, and microorganisms. Herein,we describe a novel MALDI-TOF-MS method with a matrix of oxidized carbon nanotubes for analysis of low-mass compounds in environmental samples. A number of chemicals in the environment were qualitatively analyzed by the present method, and it was found that most of them, especially the highly polar chemicals, were measurable with high sensitivity. With the intrinsic ability to measure high-mass chemicals, this method can compensate for the current shortage of methods for environmental analysis for the measurement of highly polar or high-mass chemicals. For sample analysis, arsenic speciation in Chinese traditional medicines was qualified and diphenylolpropane in water samples was quantified. With the relatively high tolerance of the method to interfering molecules, a simple pretreatment or even no pretreatment could be employed before MS detection. Furthermore, this method can be employed in a high-throughput format.
关键词[WOS]: MALDI-TOF-MS ;  BISPHENOL-A ;  MICROORGANISM IDENTIFICATION ;  EMERGING CONTAMINANTS ;  CURRENT ISSUES ;  MOLECULES ;  PROTEINS ;  HPLC
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000233078000052
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/92985
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Ecoenvironm Sci Res Ctr, State Key Lab Environm Chem & Ecotoxicol, Beijing 100085, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Natl Chromatog R&A Ctr, Dalian 116023, Peoples R China

Recommended Citation:
Hu, LG,Xu, SY,Pan, CS,et al. Matrix-assisted laser desorption/ionization time-of-flight mass spectrometry with a matrix of carbon nanotubes for the analysis of low-mass compounds in environmental samples[J]. ENVIRONMENTAL SCIENCE & TECHNOLOGY,2005,39(21):8442-8447.
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