@article {837251,
	title = {Direct Writing and Actuation of Three-Dimensionally Patterned Hydrogel Pads on Micropillar Supports},
	journal = {Angew. Chem. Int. Ed},
	volume = {123},
	year = {2011},
	note = {We thank Dr. M. Aizenberg for discussions. This work was supported by the National Institute for Nano Engineering (NINE) program at Sandia National Laboratories; U.S. Department of Energy, Office of Basic Energy Sciences, and the Division of Materials Science and Engineering, grants DE-SC0005247 (respon- sive hydrogel actuation systems), DE-FG02-02-ER15368 (multi- photon lithography capabilities), and the Air Force Office of Scientific Research, grants 9550-10-1-0054 (hybrid materials and devices displaying a symbiotic relationship between the biotic and abiotic components), and FA9550-09-1-0669-DOD35CAP (respon- sive optics). Sandia is a multiprogram laboratory operated by Sandia Corporation, a Lockheed Martin Company, for the United States DOE{\textquoteright}s NNSA under contract DE-AC04-94AL85000. B.K. gratefully acknowledges the Sandia National Laboratories Truman Fellowship in National Security Science and Engineering and the Laboratory Directed Research and Development program for support. L.D.Z. thanks the Department of Defense for support through the National Defense Science and Engineering Graduate Fellowship Program, as well as the National Science Foundation for support through the Graduate Research Fellowship Program. M.K. acknowledges the Alexander von Humboldt-Foundation for support through a Feodor Lynen Research Fellowship.},
	doi = {10.1002/ange.201102975},
	author = {L. D. Zarzar and Kim, P. and Kolle, M. and C. J. Brinker and Aizenberg, J. and and B. Kaehr}
}
