Contact: Ken Suslick
University of Illinois at Urbana-Champaign
Caption: The device uses a printed array smaller than a postage stamp made up of nanoporous pigments that change color in response to their chemical environment. The color differences are shown for a few representative poison gases
Credit: Photo courtesy of Kenneth Suslick, University of Illinois.
Usage Restrictions: Photo may be used only with stories about the research described in the news release. Please credit: Photo courtesy of Kenneth Suslick, University of Illinois.
Related news release: Opto-electronic nose sniffs out toxic gases