A wireless system for longitudinal assessment of tissue-electrode interface in biobots

Biobots are instrumented insects whose direction of movement can be controlled through strategic neural stimulation via implanted electrodes. Biobotic control has been reported to gradually degrade over time in the course of weeks. This can be attributed to changes in the tissue-electrode interface properties. The assessment of the interface would be possible using an equivalent circuit model derived from electrochemical impedance spectroscopy based characterization. We propose a wireless electronic backpack-based system for longitudinal impedance spectroscopic analysis for monitoring and subsequent analysis of the tissue-electrode interface in biobots.

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