An Implantable Biofuel Cell for a Live Insect

Michelle Rasmussen†, Roy E. Ritzmann‡, Irene Lee†, Alan J. Pollack‡, and Daniel Scherson*†
Departments of †Chemistry and ‡Biology, Case Western Reserve University, Cleveland, Ohio 44106, United States
J. Am. Chem. Soc., Article ASAP
DOI: 10.1021/ja210794c
Publication Date (Web): January 3, 2012
Copyright © 2012 American Chemical Society

Abstract Image

A biofuel cell incorporating a bienzymatic trehalase|glucose oxidase trehalose anode and a bilirubin oxidase dioxygen cathode using Os complexes grafted to a polymeric backbone as electron relays was designed and constructed. The specific power densities of the biofuel cell implanted in a female Blaberus discoidalis through incisions into its abdomen yielded maximum values of ca. 55 μW/cm2 at 0.2 V that decreased by only ca. 5% after ca. 2.5 h of operation.
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