Selective detection of dopamine in the presence of uric acid using polymerized phthalo blue film modified carbon paste electrode

Jamballi G. Manjunatha, Mohamad Deraman, Nur Hamizah Basri, I. A. Talib

Research output: Chapter in Book/Report/Conference proceedingConference contribution

10 Citations (Scopus)

Abstract

A convenient and useful method for the voltammetric determination of dopamine (DA) and uric acid (UA) is based on the poly (Phthalo blue) modified carbon paste electrode (PTBMCPE). It utilises an electropolymerization technique that is reported in this paper. The PTBMCPE exhibits excellent electro-catalytic activities for the oxidation-reduction of DA and UA. It can also eliminate the interference. Factors influencing the detection processes are optimized, and the kinetic parameters are calculated. The effects of the pH, scan rate, and concentration of dopamine on the peak current were investigated. The results indicated that the peak current of dopamine is highest in 0.2 M pH 7.0 phosphate buffer solutions (PBS) and that the electrode reaction corresponds to a ratecontrolled process. The proposed method of producing PTBMCPE as a sensor material possesses the distinct advantages of being simple, appropriate for operation, easily reproducible, and highly selective and sensitive.

Original languageEnglish
Title of host publicationAdvanced Materials Research
Pages447-451
Number of pages5
Volume895
DOIs
Publication statusPublished - 2014
Event4th International Conference on Solid State Science and Technology, ICSSST 2012 - Melaka
Duration: 18 Dec 201320 Dec 2013

Publication series

NameAdvanced Materials Research
Volume895
ISSN (Print)10226680

Other

Other4th International Conference on Solid State Science and Technology, ICSSST 2012
CityMelaka
Period18/12/1320/12/13

Fingerprint

Electrodes
Carbon
Acids
Electropolymerization
Kinetic parameters
Catalyst activity
Phosphates
Dopamine
Sensors
Oxidation-Reduction

Keywords

  • Carbon paste electrode
  • Dopamine
  • Electropolymerisation
  • Phthalo blue
  • Uric acid

ASJC Scopus subject areas

  • Engineering(all)

Cite this

Manjunatha, J. G., Deraman, M., Basri, N. H., & Talib, I. A. (2014). Selective detection of dopamine in the presence of uric acid using polymerized phthalo blue film modified carbon paste electrode. In Advanced Materials Research (Vol. 895, pp. 447-451). (Advanced Materials Research; Vol. 895). https://doi.org/10.4028/www.scientific.net/AMR.895.447

Selective detection of dopamine in the presence of uric acid using polymerized phthalo blue film modified carbon paste electrode. / Manjunatha, Jamballi G.; Deraman, Mohamad; Basri, Nur Hamizah; Talib, I. A.

Advanced Materials Research. Vol. 895 2014. p. 447-451 (Advanced Materials Research; Vol. 895).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Manjunatha, JG, Deraman, M, Basri, NH & Talib, IA 2014, Selective detection of dopamine in the presence of uric acid using polymerized phthalo blue film modified carbon paste electrode. in Advanced Materials Research. vol. 895, Advanced Materials Research, vol. 895, pp. 447-451, 4th International Conference on Solid State Science and Technology, ICSSST 2012, Melaka, 18/12/13. https://doi.org/10.4028/www.scientific.net/AMR.895.447
Manjunatha, Jamballi G. ; Deraman, Mohamad ; Basri, Nur Hamizah ; Talib, I. A. / Selective detection of dopamine in the presence of uric acid using polymerized phthalo blue film modified carbon paste electrode. Advanced Materials Research. Vol. 895 2014. pp. 447-451 (Advanced Materials Research).
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