Abstract
This chapter outlines the methods and procedures for making a microfluidic and microfabricated biofuel cell. Commercially available screen-printing carbon inks are employed as electrodes by micromolding them onto glass microchips. The carbon ink electrodes are modified with methylene green and alcohol dehydrogenase immobilized within a modified Nafion membrane to act as bioanodes in the microfluidic system. The complete biofuel cell produces power using an external platinum cathode and an integrated microfluidic bioanode. Miniaturization of power sources, such as biofuel cells, is important in applications for implementation in small technologies (i.e., sensors, bioreactors, and lab-on-a-chip technology).
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