Flexible battery-less wireless glucose monitoring system.
Saikat Banerjee, Gymama Slaughter
AI summary
65% confidenceA battery-less glucose monitoring system is designed using a flexible abiotic glucose hybrid fuel cell and near field communication (NFC) module, achieving a maximum power density of 0.062 mW/cm² and a sensitivity of 13.9 mV/mM·cm².
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Abstract
In this work, a low power microcontroller-based near field communication (NFC) interfaced with a flexible abiotic glucose hybrid fuel cell is designed to function as a battery-less glucose sensor. The abiotic glucose fuel cell is fabricated by depositing colloidal platinum (co-Pt) on the anodic region and silver oxide nanoparticles-multiwalled carbon nanotubes (Ag2O-MWCNTs) composite on the cathodic region. The electrochemical behavior is characterized using cyclic voltammetry and chronoamperometry. This glucose hybrid fuel cell generated an open circuit voltage of 0.46 V, short circuit current density of 0.444 mA/cm², and maximum power density of 0.062 mW/cm² at 0.26 V in the presence of 7 mM physiologic glucose. Upon device integration of the abiotic glucose hybrid fuel cell with the NFC module, the data from the glucose monitoring system is successfully transmitted to an android application for visualization at the user interface. The cell voltage correlated (r2 = 0.989) with glucose concentration (up to 19 mM) with a sensitivity of 13.9 mV/mM•cm2.
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Keywords
Identifiers
- PubMed
- 35854130
- Journal
- Scientific reports
- Year
- 2022