Micro Power Source In Vivo Lei Luo Advisor

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Micro Power Source In Vivo Lei Luo Advisor: Prof. Liwei Lin BSAC © 2004

Micro Power Source In Vivo Lei Luo Advisor: Prof. Liwei Lin BSAC © 2004 Spring IAB. Confidential Information. Not to be made public without permission from UC Regents.

Research Goal • A small, light, durable and efficient power source for microsystems in

Research Goal • A small, light, durable and efficient power source for microsystems in vivo • Incorporation of nano particles or structures to increase electrode surface area • Integration into microsystems Background • Development of portable computing and communication devices • Advances in the medical science leading to the emergence of implantable electrically operated devices Require a small, light, long-lasting and efficient power source, which is important for the operation of microsystems BSAC © 2004 Spring IAB. Confidential Information. Not to be made public without permission from UC Regents.

Design Advantages: • Not requiring the continuous fermentation of whole living cells to perform

Design Advantages: • Not requiring the continuous fermentation of whole living cells to perform the aerobic respiration • Incorporation of nano particles or structures to improve the efficiency • More stable, controllable Operational principle of the micro power source The conversion of chemical energy to electrical energy is accomplished by the overall redox reaction BSAC © 2004 Spring IAB. Confidential Information. Not to be made public without permission from UC Regents.

Fabrication BSAC © 2004 Spring IAB. Confidential Information. Not to be made public without

Fabrication BSAC © 2004 Spring IAB. Confidential Information. Not to be made public without permission from UC Regents.

Future • Enzyme functionalization on the electrode • Investigation on biomaterials • Further testing

Future • Enzyme functionalization on the electrode • Investigation on biomaterials • Further testing Next six months • Fabrication of a proof of concept device • Device testing and characterization • Incorporation of nano particles or structures Acknowledgment Thank Kwok-Siong Teh for discussion and Kien-bang Lam for the experiment preparation. BSAC © 2004 Spring IAB. Confidential Information. Not to be made public without permission from UC Regents.