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University of Arkansas researcher Steve Tung has incorporated living bacteria into microelectromechanical systems (MEMS) to form living motors that could be used in systems for drug delivery or DNA sequencing.
These tiny BioMEMS devices use a specific type of bacteria, which has a tendency to attach itself to a surface by one of its many flagella, the long filaments that protrude from its surface. Bacteria use the whip-like motion of their flagella to move about. While each flagellum normally turns counter-clockwise about 80 percent of the time, it is possible to ...