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A simple, label-free microfluidic separation of cancer cells by exploiting difference in cell adhesion. To maximize the adhesion difference, three types of polymeric nanostructures (50 nm pillars, 50 nm perpendicular and parallel lines with respect to the direction of flow) were fabricated using UV- assisted capillary moulding onto glass substrate of PDMS microfluidic channel. The adhesion force of...
In order to develop the cell based robot, we presented a micro-mechanical force measurement system for the biological muscle actuators, which utilize glucose as a power source for potential application in digestive organ. The proposed system is composed of a micro-manipulator, a force transducer with a glass probe, a signal processor, an inverted microscope and video recording system. Using this measurement...
We successfully demonstrate that a thermally actuated reversible hydrogel, the poly N-isopropylacrylamide (PNIPAAm), based clampers holds the intestines of a pig during the inchworm motion of microrobot. Although there are no direct relationship between hydro affinity and friction force, we found the significant friction force difference according to the surface condition change of PNIPAAm hydrogel...
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