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Magnetotactic bacteria (MTB) can be controlled by an externally applied magnetic field. Their fast migration speed and quick response time, along with their capability to achieve 4 pN thrust force, make them well suited for micro-bio-actuators and bio-carriers. Here, we use conventional methods of microlithographyto construct a microfluidic device to evaluate the activity of MTB in microchannels....
The initial design of a 500 mumtimes200 mum untethered microrobot for future operations in an aqueous medium is briefly described. Electrical energy requirement is minimized by exploiting the motility of magnetotactic bacteria embedded in special reservoirs and used to propel the microrobot. An embedded control microcircuit powered through photovoltaic cells is developed to control the swimming directions...
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