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学科主题: 物理化学
题名: Particulate capillary precolumns with double-end polymer monolithic frits for on-line peptide trapping and preconcentration
作者: Xia, Si-Min1, 2;  Yuan, Hui-Ming2;  Liang, Zheng2;  Zhang, Li-Hua2;  Zhang, Yu-Kui2
通讯作者: 张丽华
关键词: Capillary precolumn ;  Double-end frits ;  Peptide trapping ;  2D nano-LC
刊名: CHINESE CHEMICAL LETTERS
发表日期: 2015-09-01
DOI: 10.1016/j.cclet.2015.05.042
卷: 26, 期:9, 页:1068-1072
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Multidisciplinary
研究领域[WOS]: Chemistry
英文摘要: In this work, a novel kind of particulate capillary precolumns with double-end polymer monolithic frits has been developed. Firstly, the polymer monolithic frit at one end was prepared via photo-initiated polymerization of a mixture of lauryl methacrylate and ethyleneglycol dimethacrylate with 1-propanol and 1,4-butanediol as porogens and 2,2-dimethoxy-2-phenylacetophenone as a photo-initiator in UV transparent coating capillary (100 mu m i.d.). Subsequently, C18 particles (5 mu m, 100 angstrom) were packed into the capillary, and sealed with the polymer monolithic frit at another end. To prevent the reaction of monomers and C18 particles, the packed C18 particles were masked during UV exposure. The loading capacity of such a precolumn was determined to be about 9 mu g by frontal analysis with a synthetic peptide APGDRIYVHPF as a model sample. Furthermore, two parallel precolumns were incorporated into a two-dimensional nano-liquid chromatography (2D nano-LC) system with dual capillary trap columns for peptide trapping and concentration. Compared to 2D nano-LC system with a single trap column, such two dimensional separations could be operated simultaneously to improve the analysis throughput. All these results demonstrated that such capillary precolumns with double frits would be promising for high-throughput proteome analysis. (C) 2015 Chinese Chemical Society and Institute of Materia Medica, Chinese Academy of Medical Sciences.
关键词[WOS]: SOLID-PHASE EXTRACTION ;  MASS-SPECTROMETRY ;  LIQUID-CHROMATOGRAPHY ;  PROTEOME ANALYSIS ;  IDENTIFICATION ;  COLUMNS ;  SYSTEM ;  ELECTROCHROMATOGRAPHY
语种: 英语
WOS记录号: WOS:000361407700004
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/143706
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.Univ Chinese Acad Sci, Beijing 100039, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Natl Chromatog R&A Ctr, Dalian 116023, Peoples R China

Recommended Citation:
Xia, Si-Min,Yuan, Hui-Ming,Liang, Zheng,et al. Particulate capillary precolumns with double-end polymer monolithic frits for on-line peptide trapping and preconcentration[J]. CHINESE CHEMICAL LETTERS,2015,26(9):1068-1072.
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