Electrowetting --A versatile tool for controlling microdrop generation F. Malloggi, H. Gu, A. G. Banpurkar, S. A. Vanapalli and F. Mugele Eur. Phys. J. E, 26 1-2 (2008) 91-96 Published online: 20 February 2008 DOI: 10.1140/epje/i2007-10252-x