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Original scientific paper

https://doi.org/https://doi.org/10.5599/jese.2416

Yellow DS5R polymeric film modified glassy carbon electrode for voltammetric assay of uric acid

Santhosh Devadiga Sukanya ; Department of P. G. Studies in Chemistry, Alva’s College (Autonomous), Vidyagiri, Moodubidire, Dakshina Kannada, 574227 Karnataka, India
Bahaddurghatta Eshwaraswamy Kumara Swamy ; Department of P. G. Studies and Research in Industrial Chemistry, Kuvempu University, Jnana Shyadri, Shankaraghatta, Shivmoga, 577451 Karnataka, India
Jamballi Kuberappa Shashikumar ; Department of Chemistry, PES Institute of Technology and Management, Sagar Road, Guddada Arakere, Kotegangoor, 577204 Shivamogga, India


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Abstract

This work focuses on the development of a novel and affordable yellow DS5R polymeric film on the glassy carbon electrode surface (Po-YDS5R/GCE) for the detection of uric acid (UAC). Po-YDS5R/GCE was effectively developed using the cyclic potentiodynamic polyme­rization technique. The sweep rate study revealed that the overall electrode reaction is diffusion-controlled. The linear range of 10-60 µM of UAC was used to compute the limit of quantification and limit of detection, and the results yielded 3.12 and 0.87 µM, res­pec­ti­vely. The interference of dopamine on the electrooxidation of UAC was tested at the developed sensor. It was discovered that the modified sensor allows selective detection of UAC. These impressive outcomes showed that a simple and less costly Po-YDS5R/GCE sensor has the potential to make significant improvements over current electro­chemical sensor technology.

Keywords

Reactive dye; electropolymerization; electroactive biomolecules; cyclic voltammetry

Hrčak ID:

323683

URI

https://hrcak.srce.hr/323683

Publication date:

9.10.2024.

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