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author:

Zhang, Xiaowei (Zhang, Xiaowei.) [1] | Lin, Xucong (Lin, Xucong.) [2] (Scholars:林旭聪) | Chen, Zhenbin (Chen, Zhenbin.) [3] | Wang, Xiaochun (Wang, Xiaochun.) [4] | Wu, Xiaoping (Wu, Xiaoping.) [5] | Xie, Zenghong (Xie, Zenghong.) [6] (Scholars:谢增鸿)

Indexed by:

EI Scopus SCIE

Abstract:

A multi functional separation column modified with 3 [2 (2 aminoethylamino)ethyl amino] propyl trimethoxysilane was developed for open tubular capillary electrochromatography This functional hydrophilic triamine bonded open tubular column could generate both anodic and cathodic EOF When the pH of the running buffer was below 5 3 (30% 3 [2 (2 aminoethylamino)ethylamino] propyl trimethoxysilane v/v) the anodic EOF was exhibited which greatly prevented the undesired adsorptions of basic proteins on the capillary inner wall Favorable separation of four basic proteins (viz trypsin ribonuclease A lysozyme and cytochrome c) was successfully achieved at pH 3 5 of 10 mmol/L phosphate buffer The column efficiencies of proteins were in the range from 87 000 to 110 000 plates/m and the RSD values for migration time of four proteins were less than 1 2% (run to run n = 5) The ionic analytes were also separated efficiently in the co electroosmotic mode The average efficiencies ranged from 81 000 to 190 000 plates/m for seven aromatic acids and 186 000-245 000 plates/m for four nucleoside mono phosphates respectively and good capillary column repeatability was gained with RSD of the migration time not more than 3 0% The triamine bonded open tubular capillary column is favorable to be an alternative functional medium for the further analysis of basic proteins and anionic analytes

Keyword:

Anodic EOF Open tubular capillary electrochromatography Triamine-bonded

Community:

  • [ 1 ] [Zhang, Xiaowei]Fuzhou Univ, Inst Food Safety & Environm Monitoring, Fuzhou 350108, Fujian, Peoples R China
  • [ 2 ] [Lin, Xucong]Fuzhou Univ, Inst Food Safety & Environm Monitoring, Fuzhou 350108, Fujian, Peoples R China
  • [ 3 ] [Chen, Zhenbin]Fuzhou Univ, Inst Food Safety & Environm Monitoring, Fuzhou 350108, Fujian, Peoples R China
  • [ 4 ] [Wang, Xiaochun]Fuzhou Univ, Inst Food Safety & Environm Monitoring, Fuzhou 350108, Fujian, Peoples R China
  • [ 5 ] [Wu, Xiaoping]Fuzhou Univ, Inst Food Safety & Environm Monitoring, Fuzhou 350108, Fujian, Peoples R China
  • [ 6 ] [Xie, Zenghong]Fuzhou Univ, Inst Food Safety & Environm Monitoring, Fuzhou 350108, Fujian, Peoples R China
  • [ 7 ] [Xie, Zenghong]Xiamen Huaxia Vocat Coll, Xiamen, Peoples R China

Reprint 's Address:

  • 林旭聪

    [Lin, Xucong]Fuzhou Univ, Inst Food Safety & Environm Monitoring, Fuzhou 350108, Fujian, Peoples R China

Email:

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Source :

JOURNAL OF SEPARATION SCIENCE

ISSN: 1615-9306

Year: 2010

Issue: 20

Volume: 33

Page: 3184-3193

2 . 6 3 1

JCR@2010

2 . 8 0 0

JCR@2023

ESI Discipline: CHEMISTRY;

JCR Journal Grade:2

CAS Journal Grade:3

Cited Count:

WoS CC Cited Count: 10

SCOPUS Cited Count: 10

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 3

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