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JRM Vol.35 No.5 pp. 1131-1134
doi: 10.20965/jrm.2023.p1131
(2023)

Letter:

Wearable Biosensor Utilizing Chitosan Biopolymer for Uric Acid Monitoring

Mizuki Sato*1, Tatsuya Kamiyama*2, Kenta Iitani*3 ORCID Icon, Kazuyoshi Yano*4, Kohji Mitsubayashi*3 ORCID Icon, and Takahiro Arakawa*1,*2 ORCID Icon

*1Graduate School of Engineering, Tokyo University of Technology
1404-1 Katakura, Hachioji, Tokyo 192-0982, Japan

*2Department of Electric and Electronic Engineering, School of Engineering, Tokyo University of Technology
1404-1 Katakura, Hachioji, Tokyo 192-0982, Japan

*3Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University
2-3-10 Kanda-surugadai, Chiyoda-ku, Tokyo 101-0062, Japan

*4Graduate School of Bionics, Computer and Media Sciences, Tokyo University of Technology
1404-1 Katakura, Hachioji, Tokyo 192-0982, Japan

Received:
April 23, 2023
Accepted:
July 27, 2023
Published:
October 20, 2023
Keywords:
wearable biosensor, uric acid, uricase, chitosan
Abstract

A wearable biosensor was specifically engineered to measure uric acid, a biomarker present at wound sites. This biosensor, fabricated as a disposable and wearable device, was seamlessly integrated onto a polyethylene terephthalate (PET) substrate by utilizing carbon and silver conductive paste as the electrodes. The enzyme uricase was immobilized onto the working electrode by utilizing chitosan, a biocompatible material, to create this biosensor. Notably, the uric acid biosensor fabricated with chitosan showcased exceptional performance metrics, including remarkable output current values and impeccable stability. These findings suggest the prospective utilization of chitosan-based uric acid biosensors for the accurate measurement of uric acid on human skin in future applications.

Uric acid biosensor for skin monitoring

Uric acid biosensor for skin monitoring

Cite this article as:
M. Sato, T. Kamiyama, K. Iitani, K. Yano, K. Mitsubayashi, and T. Arakawa, “Wearable Biosensor Utilizing Chitosan Biopolymer for Uric Acid Monitoring,” J. Robot. Mechatron., Vol.35 No.5, pp. 1131-1134, 2023.
Data files:
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