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题名: Matrix of 3,4-Diaminobenzophenone for Analysis of Phospholipids by Matrix-Assisted Laser Desorption/Ionization-Time of Flight-Mass Spectrometry
作者: Miao Nan1;  Zhang Yu1;  Zhang Jian-Ye1, 2;  Zou Han-Fa1
关键词: Matrix-assisted laser desorption/ionization time-of-flight mass spectrometry ;  Matrix ;  3,4-Diaminobenzophenone ;  Phospholipids
刊名: CHINESE JOURNAL OF ANALYTICAL CHEMISTRY
发表日期: 2011-05-01
DOI: 10.3724/SP.J.1096.2011.00605
卷: 39, 期:5, 页:605-610
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
英文摘要: The matrix of 3, 4-diaminobenzophenone(DABP) was applied in the analysis of phospholipids by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry. The optimal composition of DABP matrix solution with methanol-water-hydrochloric acid (80 20 3, V/V) was used in the analysis of different phospholipids species by comparing with the conventional matrices such as 2,4,6-trihydroxyacetophenone(THAP), 2,5-dihydroxy-benzoic acid (DHB) and alpha-cynao-4-hydroxycinnamic acid (CHCA), 3, 4-diamino-benzophenone ( DABP) can effectively suppress alkali metal ion adducts, thus showing single peak of phospholipids with low laser energy and strong peak strength. 500 fmol phosphatidylcholines(PCs) can be detected with high signal to noise ratio. With DABP as a matrix for the analysis of egg yolk and soybean extracts, intact phospholipids ion peaks can be readily produced with clean spectrum background and high resolution. In addition, the sample preparation method is simple and time-saving.
关键词[WOS]: MALDI-TOF-MS ;  LIPID ANALYSIS ;  DESORPTION ;  CHROMATOGRAPHY ;  SEPARATION ;  MIXTURES ;  PEPTIDE ;  SAMPLES
语种: 英语
WOS记录号: WOS:000293202300001
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/142723
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, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
2.Zhengzhou Univ, Dept Chem, Zhengzhou 450052, Peoples R China

Recommended Citation:
Miao Nan,Zhang Yu,Zhang Jian-Ye,et al. Matrix of 3,4-Diaminobenzophenone for Analysis of Phospholipids by Matrix-Assisted Laser Desorption/Ionization-Time of Flight-Mass Spectrometry[J]. CHINESE JOURNAL OF ANALYTICAL CHEMISTRY,2011,39(5):605-610.
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