%0 Journal Article %J ACS Appl. Mater. & Interfaces %D 2009 %T Heterogeneous Films of Ionotropic Hydrogels Fabricated from Templates of Patterned Paper %A Bracher, P. J. %A Gupta, M. %A Mack, E. T. %A Whitesides, G. M. %K accepted w/minor revisions 7/1/09 %K am-2009-00340m %B ACS Appl. Mater. & Interfaces %V 1 %P 1807-1812 %8 5/18/09 %G eng %L 1059 %F s/270