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BPN894: An Electrolytically Driven Micromotor

Project ID BPN894
Website
Start Date Sun 2018-Jan-28 20:57:26
Last Updated Mon 2018-Jan-29 09:53:11
Abstract Underwater self-powered micro-swimmers have several biomedical and environmental applications, such as drug delivery and pathogen elimination in water. Therefore, there is a need for propulsion mechanisms, such as an underwater rotary micro-motor that can drive an impeller for propulsion, similar to flagellar motor in bacteria. This project, currently in its first semester, aims to produce an underwater motor in the single- micron scale. The proposed mechanism uses bubbles generated through water electrolysis to drive the rotor. Current flowing through an electrolyte activates the hydrolysis of water forming gas bubbles. It has been observed that when these bubbles are generated in tapered microchannels, they move toward the wide end due to surface tension forces. We propose to construct the channels in such a way that the motion of the bubbles drags a rotor, and hypothesize that the use of surface forces will allow for better scalability.
Status New
Funding Source Fellowship
IAB Research Area Physical Sensors & Devices
Researcher(s) Mauricio J. Bustamante
Advisor(s) Michel M. Maharbiz
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