Open access Jurnal SINTA 1
Portable Electrochemical Sensing System Attached to Smartphones and Its Incorporation with Paper-based Electrochemical Glucose Sensor
International Journal of Electrical and Computer Engineering (IJECE) · Vol. 7 No. 3 (2017)
- ISSN
- 2088-8708, 2088-8708
- Published
- 2017-06-01
- Publisher
- Institute of Advanced Engineering and Science
Abstract
This paper described the development of a small and low cost biosensor consisting of a smartphone-based electrochemical biosensor device and a paper-based biosensor. The device harvested power from the smartphone and transferred data through audio jack. We designed CMOS circuits including a power supply circuit, a potentiostat, and a ΔΣ modulator. The fabrication of a paper-based biosensor was simple: the three electrodes were directly drawn on chromatography paper using a carbon pencil. The paper-based biosensor was low cost, disposable, portable and friendly to the environment. The sensing system was designed to perform the chronoamperometry measurement, and the glucose concentration in a liquid specimen was detected. Results showed that the sensing system was capable of measuring the glucose concentration as precisely as expensive equipments.
Collaboration network of the authors
8 authors · 28 co-authorship links · 7 across different organisations
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- Ritsumeikan University
- Hitachi (Japan)
- Different organisations
- Same organisation
- Affiliation unknown
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