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Carbon nanotubes as assisted matrix for laser desorption/ionization time-of-flight mass spectrometry
Xu, SY; Li, YF; Zou, HF; Qiu, JS; Guo, Z; Guo, BC
刊名ANALYTICAL CHEMISTRY
2003-11-15
DOI10.1021/ac0345695
75期:22页:6191-6195
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Chemistry, Analytical
研究领域[WOS]Chemistry
关键词[WOS]POROUS SILICON ; SURFACE ; MOLECULES ; PEPTIDES ; PROTEINS ; FILMS
英文摘要Analysis of low molecular weight compounds with matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOFMS) has been developed by using carbon nanotubes obtained from coal by arc discharge as the matrix. The carbon nanotube matrix functions as substrate to trap analytes of peptides, organic compounds, and beta-cyclodextrin deposited on its surface. It has been found that carbon nanotubes can transfer energy to the analyte under laser irradiation, which makes analytes well desorbed/ionized, and the interference of intrinsic matrix ions can be eliminated. At the same time, the fragmentation of the analyte can be avoided. A good sensitivity and excellent reproducibility of the spectrum signals are achieved. It is believed that this work not only will open a new field for applications of carbon nanotubes, but also will offer a new technique for high-speed analysis of low molecular weight compounds in areas such as metabolism research and characterization of natural products.
语种英语
WOS记录号WOS:000186601500023
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被引频次:246[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/138305
专题中国科学院大连化学物理研究所
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, Natl Chromatog R&A Ctr, Dalian 116011, Peoples R China
2.Dalian Univ Technol, Dept Mat Sci & Chem Engn, State Key Lab Mat Modificat, Dalian 116012, Peoples R China
3.Dalian Univ Technol, Dept Mat Sci & Chem Engn, Carbon Res Lab, Dalian 116012, Peoples R China
4.Cleveland State Univ, Dept Chem, Cleveland, OH 44115 USA
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Xu, SY,Li, YF,Zou, HF,et al. Carbon nanotubes as assisted matrix for laser desorption/ionization time-of-flight mass spectrometry[J]. ANALYTICAL CHEMISTRY,2003,75(22):6191-6195.
APA Xu, SY,Li, YF,Zou, HF,Qiu, JS,Guo, Z,&Guo, BC.(2003).Carbon nanotubes as assisted matrix for laser desorption/ionization time-of-flight mass spectrometry.ANALYTICAL CHEMISTRY,75(22),6191-6195.
MLA Xu, SY,et al."Carbon nanotubes as assisted matrix for laser desorption/ionization time-of-flight mass spectrometry".ANALYTICAL CHEMISTRY 75.22(2003):6191-6195.
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