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Studies of polyluminol modified electrode and its application in electrochemiluminescence analysis with flow system

Publication ,  Journal Article
Zhang, GF; Chen, HY
Published in: Analytica Chimica Acta
August 15, 2000

In this work the electrochemical behavior of luminol in acidic solution is studied for the first time, and it is seen that luminol oxidized by electrochemistry can form the polymer on the surface of electrode, which is characterized by cyclic voltammetry (CV) and the surface enhanced Raman scattering (SERS) spectra. The mechanism of polymerization of luminol on electrode is also discussed. Furthermore, it is found that this modified electrode can greatly enhance the electrochemiluminescence (ECL) of flavin in Na2CO3-NaHCO3 buffer solution (pH 9.5). The selectivity for flavin is very high, most of the other water soluble vitamins and fluorescent compounds do not interfere, based on which a sensitive and selective ECL method for the determination of flavin is proposed. The linear range responding to flavin is 1.0 x 10-7 - 1.0 x 10-6 mol l-1, and the detection limit is 8.3 x 10-8 mol l-1. © 2000 Elsevier Science B.V.

Duke Scholars

Published In

Analytica Chimica Acta

DOI

ISSN

0003-2670

Publication Date

August 15, 2000

Volume

419

Issue

1

Start / End Page

25 / 31

Related Subject Headings

  • Analytical Chemistry
  • 4018 Nanotechnology
  • 4004 Chemical engineering
  • 3401 Analytical chemistry
  • 0399 Other Chemical Sciences
  • 0301 Analytical Chemistry
 

Citation

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Zhang, G. F., & Chen, H. Y. (2000). Studies of polyluminol modified electrode and its application in electrochemiluminescence analysis with flow system. Analytica Chimica Acta, 419(1), 25–31. https://doi.org/10.1016/S0003-2670(00)00983-1
Zhang, G. F., and H. Y. Chen. “Studies of polyluminol modified electrode and its application in electrochemiluminescence analysis with flow system.” Analytica Chimica Acta 419, no. 1 (August 15, 2000): 25–31. https://doi.org/10.1016/S0003-2670(00)00983-1.
Zhang, G. F., and H. Y. Chen. “Studies of polyluminol modified electrode and its application in electrochemiluminescence analysis with flow system.” Analytica Chimica Acta, vol. 419, no. 1, Aug. 2000, pp. 25–31. Scopus, doi:10.1016/S0003-2670(00)00983-1.
Journal cover image

Published In

Analytica Chimica Acta

DOI

ISSN

0003-2670

Publication Date

August 15, 2000

Volume

419

Issue

1

Start / End Page

25 / 31

Related Subject Headings

  • Analytical Chemistry
  • 4018 Nanotechnology
  • 4004 Chemical engineering
  • 3401 Analytical chemistry
  • 0399 Other Chemical Sciences
  • 0301 Analytical Chemistry