%0 Journal Article %J Angew. Chem. Int. Ed %D 2011 %T Direct Writing and Actuation of Three-Dimensionally Patterned Hydrogel Pads on Micropillar Supports %A L. D. Zarzar %A Kim, P. %A Kolle, M. %A C. J. Brinker %A Aizenberg, J. %A and B. Kaehr %B Angew. Chem. Int. Ed %V 123 %G eng %R 10.1002/ange.201102975