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author:

Chen, Y. (Chen, Y..) [1] | Xu, L. (Xu, L..) [2] | Lin, J. (Lin, J..) [3] | Chen, G. (Chen, G..) [4]

Indexed by:

Scopus

Abstract:

A CE with LIF detection was developed for separation and determination of bradykinin (BK)-related peptides, such as BK, kallidin (Kal), and neurokinin A (NKA). BK-related peptides were derivatized with FITC prior to CE-LIF analysis. Sodium borate 10 mmol/L at pH 9.5 was selected as derivatization media in order to get the high efficiency. Three peptides were baseline-separated within 10 min by using 110 mmol/L sodium borate-sodium hydroxide solution at pH 10.0 as the running buffer. Concentration detection limits (S/N = 3) for BK, Kal, and NKA were 0.08, 0.5, and 0.2 nmol/L, respectively. Meanwhile we have also developed a simple, quick, and sensitive large-volume sample stacking (LVSS) technique for CE-LIF detection of BK, Kal, and NKA. By using this stacking technique, the detection limits (S/N = 3) for BK, Kal, and NKA were 0.02, 0.05, and 0.04 nmol/L, respectively. This method has been applied to the assay of human saliva and cerebrospinal fluid with satisfactory results. © 2008 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim.

Keyword:

Bradykinin-related peptides; Fluorescein isothiocyanate; Large-volume sample stacking; Laser-induced fluorescence

Community:

  • [ 1 ] [Chen, Y.]Ministry of Education, Key Laboratory of Analysis and Detection Technology for Food Safety, Fuzhou University, Fuzhou, Fujian, China
  • [ 2 ] [Chen, Y.]Department of Chemistry, Fuzhou University, Fuzhou, Fujian 350002, China
  • [ 3 ] [Chen, Y.]Analytical and Testing Center, Fuzhou University, Fuzhou, Fujian, China
  • [ 4 ] [Xu, L.]Analytical and Testing Center, Fuzhou University, Fuzhou, Fujian, China
  • [ 5 ] [Lin, J.]Ministry of Education, Key Laboratory of Analysis and Detection Technology for Food Safety, Fuzhou University, Fuzhou, Fujian, China
  • [ 6 ] [Lin, J.]Department of Chemistry, Fuzhou University, Fuzhou, Fujian 350002, China
  • [ 7 ] [Chen, G.]Ministry of Education, Key Laboratory of Analysis and Detection Technology for Food Safety, Fuzhou University, Fuzhou, Fujian, China
  • [ 8 ] [Chen, G.]Department of Chemistry, Fuzhou University, Fuzhou, Fujian 350002, China

Reprint 's Address:

  • [Chen, G.]Department of Chemistry, Fuzhou University, Fuzhou, Fujian 350002, China

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Source :

Electrophoresis

ISSN: 0173-0835

Year: 2008

Issue: 6

Volume: 29

Page: 1302-1307

3 . 5 0 9

JCR@2008

3 . 0 0 0

JCR@2023

JCR Journal Grade:1

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count: 22

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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