P. J. Glazer, J. Leuven, H. An, S. G. Lemay and E. Mendes Smart Materials: Multi-Stimuli Responsive Hydrogel Cilia (Adv. Funct. Mater. 23/2013) Advanced Functional Materials 23
On page 2964 Eduardo Mendes and co-workers report the production of large arrays of multi-responsive hydrogel cilia using microfabrication techniques. The cilia operate in aqueous solutions and are sensitive to pH, electric, and/or magnetic fields. Electrically stimulated cilia reversibly reduce their size by more than 80%. In the case of magnetoresposnive cilia, high-speed rotational movement is achieved. In addition, a biomimetic system that combines pHsensor triggered motility is presented.
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