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System for forming janus particles

United States Patent

January 25, 2011
View the Complete Patent at the US Patent & Trademark Office
The invention is a method of forming Janus particles, that includes forming an emulsion that contains initial particles, a first liquid, and a second liquid; solidifying the first liquid to form a solid that contains at least a portion of the initial particles on a surface of the solid; and treating the exposed particle sides with a first surface modifying agent, to form the Janus particles. Each of the initial particles on the surface has an exposed particle side and a blocked particle side.
Hong; Liang (Midland, MI), Jiang; Shan (Champaign, IL), Granick; Steve (Champaign, IL)
The Board of Trustees of the University of Illinois (Urbana, IL)
11/ 690,671
March 23, 2007
FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT This subject matter of this application may have been funded in part under the following federal research grants and contracts: National Science Foundation grants DMR-0605947 and CMS-0555820, and U.S. Department of Energy grant DEFG02-96-ER45439. The U.S. Government may have rights in this invention.