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author:

Wang, Wei (Wang, Wei.) [1] (Scholars:王伟) | Yao, Sheyue (Yao, Sheyue.) [2] | Qiu, Bin (Qiu, Bin.) [3] (Scholars:邱彬) | Chen, Guonan (Chen, Guonan.) [4] (Scholars:陈国南)

Indexed by:

EI Scopus SCIE

Abstract:

A simple, reliable, and reproducible method for separation and determination of five enkephalin-related peptides based on CE with amperometric detection (AD) is described in this paper. A potential of 1.0 V was applied to the carbon disk electrode, which was used as a working electrode in this system. At 15 I-V of applied voltage, the five compounds were separated within 18 min in a 20 mmol/L phosphate buffer solution (PBS, pH 7.6) including 2.5% methanol v/v. LOD for five enkephalins were ranged from 6.31 to 54.3 nmol/L. The method was applied successfully to determine the five compounds added in the human cerebrospinal fluid (CSF) and the recoveries were in the range of 95.8-98.2%.

Keyword:

amperometric detection capillary electrophoresis enkephalin-related peptide

Community:

  • [ 1 ] [Wang, Wei]Fuzhou Univ, Dept Chem, Fuzhou 350002, Fujian, Peoples R China
  • [ 2 ] [Yao, Sheyue]Fuzhou Univ, Dept Chem, Fuzhou 350002, Fujian, Peoples R China
  • [ 3 ] [Qiu, Bin]Fuzhou Univ, Dept Chem, Fuzhou 350002, Fujian, Peoples R China
  • [ 4 ] [Chen, Guonan]Fuzhou Univ, Dept Chem, Fuzhou 350002, Fujian, Peoples R China
  • [ 5 ] [Wang, Wei]Fuzhou Univ, Minist Educ, Key Lab Anal & Detect Technol Food Safety, Fuzhou, Peoples R China
  • [ 6 ] [Yao, Sheyue]Fuzhou Univ, Minist Educ, Key Lab Anal & Detect Technol Food Safety, Fuzhou, Peoples R China
  • [ 7 ] [Qiu, Bin]Fuzhou Univ, Minist Educ, Key Lab Anal & Detect Technol Food Safety, Fuzhou, Peoples R China
  • [ 8 ] [Chen, Guonan]Fuzhou Univ, Minist Educ, Key Lab Anal & Detect Technol Food Safety, Fuzhou, Peoples R China

Reprint 's Address:

  • 陈国南

    [Chen, Guonan]Fuzhou Univ, Dept Chem, Fuzhou 350002, Fujian, Peoples R China

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Source :

JOURNAL OF SEPARATION SCIENCE

ISSN: 1615-9306

Year: 2008

Issue: 3

Volume: 31

Page: 574-578

2 . 7 4 6

JCR@2008

2 . 8 0 0

JCR@2023

ESI Discipline: CHEMISTRY;

JCR Journal Grade:1

Cited Count:

WoS CC Cited Count: 7

SCOPUS Cited Count: 7

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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