Loading...

Determination of ascorbic acid in the presence of uric acid and folic acid by a nanostructured electrochemical sensor based on a TiO2 nanoparticle carbon paste electrode

Mazloum Ardakani, M ; Sharif University of Technology

496 Viewed
  1. Type of Document: Article
  2. DOI: 10.1080/00032711003726928
  3. Abstract:
  4. A carbon paste electrode (CPE), modified with novel hydroquinone/TiO2 nanoparticles, was designed and used for simultaneous determination of ascorbic acid (AA), uric acid (UA) and folic acid (FA). The magnitude of the peak current for modified TiO2-nanoparticle CPE (MTNCPE) increased sharply in the presence of ascorbic acid and was proportional to its concentration. A dynamic range of 1.0-1400.0 μM, with the detection limit of 6.4x10-7M for AA, was obtained using the DPV technique (pH=7.0). The prepared electrode was successfully applied for the determination of AA, UA, and FA in real samples
  5. Keywords:
  6. Ascorbic acid ; Carbon paste electrode ; Folic acid ; Nanoparticles ; Uric acid
  7. Source: Analytical Letters ; Volume 43, Issue 16 , 2010 , Pages 2618-2630 ; 00032719 (ISSN)
  8. URL: http://www.tandfonline.com/doi/abs/10.1080/00032711003726928