Subscriber access provided by SHARIF UNIV OF TECH Langmuir is published by the American Chemical Society. 1155 Sixteenth Street N.W., Washington, DC 20036 Research Article The Movement of a Water Droplet on a Gradient Surface Prepared by Photodegradation Yoshihiro Ito, Mojgan Heydari, Ayako Hashimoto, Tomohiro Konno, Ayaka Hirasawa, Satomi Hori, Kimio Kurita, and Akira Nakajima Langmuir, 2007, 23 (4), 1845-1850 • DOI: 10.1021/la0624992 Downloaded from http://pubs.acs.org on December 22, 2008 More About This Article