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author:

Liu, Lijing (Liu, Lijing.) [1] | Pan, Haibo (Pan, Haibo.) [2] (Scholars:潘海波) | Du, Min (Du, Min.) [3] | Xie, Wenqin (Xie, Wenqin.) [4] | Wang, Jian (Wang, Jian.) [5] (Scholars:王建)

Indexed by:

EI Scopus SCIE

Abstract:

Stable Nafion-Au colloids were immobilized on a glassy carbon electrode (GCE) for detection of beta-agonist clenbuterol by electroanalysis. The Au colloids were prepared by a one-step electrodeposition onto GCE, with obvious electrocatalytic activity present The negatively charged Nation film was an efficient barrier to negatively charged interfering compounds, resulting in accumulation of positively charged clenbuterol at the Nafion film The electrochemical characters of the electrode during various modified steps in a redox probe system of K-4[Fe(CN)(6)]/K-3[Fe(CN)(6)] were confirmed by cyclic voltammetry (CV) and AC-impedance In Britton-Robinson (B-R) buffer solution (pH = 2 0) and the potential range of-0 2 to 1 2 V, the Nafion-Au colloid modified electrode, compared to a bare GCE, exhibits obvious electrocatalytic activity towards the redox of clenbuterol by greatly enhancing the peak current with a linear calibration curve nom 80 x 10(-7) to 1.0 x 10(-5) mol/L and a detection limit of (10 x 10(-7) mol/L) (R = 0 996) The modified electrode shows high sensitivity, selectivity and reproducibility The recovery for detecting clenbuterol (similar to 10(-6) mol/L) in human serum is up to 98 19% (C) 2010 Elsevier Ltd All rights reserved

Keyword:

Au colloids Clenbuterol Electroanalysis Modified electrode Nafion film

Community:

  • [ 1 ] [Liu, Lijing]Fuzhou Univ, Fujian Key Lab Med Instrument & Pharmaceut Techno, Fuzhou 350002, Fujian, Peoples R China
  • [ 2 ] [Pan, Haibo]Fuzhou Univ, Fujian Key Lab Med Instrument & Pharmaceut Techno, Fuzhou 350002, Fujian, Peoples R China
  • [ 3 ] [Du, Min]Fuzhou Univ, Fujian Key Lab Med Instrument & Pharmaceut Techno, Fuzhou 350002, Fujian, Peoples R China
  • [ 4 ] [Xie, Wenqin]Fuzhou Univ, Fujian Key Lab Med Instrument & Pharmaceut Techno, Fuzhou 350002, Fujian, Peoples R China
  • [ 5 ] [Pan, Haibo]Fuzhou Univ, State Key Lab Breeding Base Photocatalysis, Fuzhou 350002, Fujian, Peoples R China
  • [ 6 ] [Liu, Lijing]Fuzhou Univ, Coll Chem & Chem Engn, Fuzhou 350108, Fujian, Peoples R China
  • [ 7 ] [Pan, Haibo]Fuzhou Univ, Coll Chem & Chem Engn, Fuzhou 350108, Fujian, Peoples R China
  • [ 8 ] [Xie, Wenqin]Fuzhou Univ, Coll Chem & Chem Engn, Fuzhou 350108, Fujian, Peoples R China
  • [ 9 ] [Wang, Jian]Fuzhou Univ, Coll Chem & Chem Engn, Fuzhou 350108, Fujian, Peoples R China

Reprint 's Address:

  • 潘海波

    [Pan, Haibo]Fuzhou Univ, Fujian Key Lab Med Instrument & Pharmaceut Techno, Yishan Campus,Gongye Rd 523, Fuzhou 350002, Fujian, Peoples R China

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Source :

ELECTROCHIMICA ACTA

ISSN: 0013-4686

Year: 2010

Issue: 24

Volume: 55

Page: 7240-7245

3 . 6 5

JCR@2010

5 . 5 0 0

JCR@2023

ESI Discipline: CHEMISTRY;

JCR Journal Grade:1

CAS Journal Grade:1

Cited Count:

WoS CC Cited Count: 46

SCOPUS Cited Count: 40

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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