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The concepts of microrobots has been drawn significant attentions recently since its unprecedented applicability in nanotechnology and biomedical field. Bacteria attached microparticles presented in this work are one of pioneering microrobot technology for self-propulsion or producing kinetic energy from ambient for their motions. Microfluidic device, especially utilizing laminar flow characteristics,...
We proposed a simple microfluidic device that enabled anisotropic absorption of detoxified S.typhimurium bacteria to microcubics so that the particles can swim toward desirable direction by chemotaxis of the bacteria. The speed of the “bacteria-based microrobot” was ∼5um/sec which is faster than any prior demonstrations, leading to an effective drug delivery system.
We proposed a simple microfluidic device that enabled anisotropic absorption of detoxified S. typhimurium bacteria to each microcubic so that the particles can swim toward desirable direction by chemotaxis of the bacteria. The speed of the “bacteria-based microrobot” was ∼5 um/sec which is faster than any prior demonstrations, leading to an effective drug delivery system.
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