@inproceedings { sarraf2009, title = {Frequency-selectable wireless actuation of hydrogel using micromachined resonant heaters toward implantable drug delivery applications}, journal = {IEEE International Solid-State Sensors, Actuators and Microsystems Conference, TRANSDUCERS}, year = {2009}, month = {06/2009}, author = {Elie H. Sarraf and Gregory Wong and Kenichi takahata} }