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author:

Wang, Wei (Wang, Wei.) [1] | Yao, Sheyue (Yao, Sheyue.) [2] | Qiu, Bin (Qiu, Bin.) [3] | Chen, Guonan (Chen, Guonan.) [4]

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EI

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 kV 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%. © 2008 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim.

Keyword:

Amperometric sensors Body fluids Capillary electrophoresis Peptides Phosphates Separation

Community:

  • [ 1 ] [Wang, Wei]Ministry of Education Key Laboratory of Analysis, Detection Technology for Food Safety, Fuzhou University, Fujian, China
  • [ 2 ] [Wang, Wei]Department of Chemistry, Fuzhou University, Fuzhou, Fujian 350002, China
  • [ 3 ] [Yao, Sheyue]Ministry of Education Key Laboratory of Analysis, Detection Technology for Food Safety, Fuzhou University, Fujian, China
  • [ 4 ] [Yao, Sheyue]Department of Chemistry, Fuzhou University, Fuzhou, Fujian 350002, China
  • [ 5 ] [Qiu, Bin]Ministry of Education Key Laboratory of Analysis, Detection Technology for Food Safety, Fuzhou University, Fujian, China
  • [ 6 ] [Qiu, Bin]Department of Chemistry, Fuzhou University, Fuzhou, Fujian 350002, China
  • [ 7 ] [Chen, Guonan]Ministry of Education Key Laboratory of Analysis, Detection Technology for Food Safety, Fuzhou University, Fujian, China
  • [ 8 ] [Chen, Guonan]Department of Chemistry, Fuzhou University, Fuzhou, Fujian 350002, 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

JCR Journal Grade:1

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

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Chinese Cited Count:

30 Days PV: 0

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