@article {837116,
	title = {Bio-inspired Design of Submerged Hydrogel-Actuated Polymer Microstructures Operating in Response to pH.},
	journal = {Adv. Mater.},
	volume = {23},
	year = {2011},
	note = {We thank Prof. A. Sidorenko and Dr. M. Aizenberg for discussions and Drs. Ashley Taylor and Mughees Kahn for substrate fabrication. This work was supported by the AFOSR under Award FA9550 {\textendash} 09-1 {\textendash} 0669-DOD35CAP and by the DOE under award DE-SC0005247. The work was performed in part at the Center for Nanoscale Systems (CNS), a member of the National Nanotechnology Infrastructure Network (NNIN), which is supported by the NSF under award ECS-0335765. L. D. Z. thanks the Department of Defense (DoD) for support through the National Defense Science \& Engineering Graduate Fellowship (NDSEG) Program, as well as the National Science Foundation (NSF) for support through the Graduate Research Fellowship Program (GRFP).},
	pages = {1442{\textendash}1446},
	doi = {10.1002/adma.201004231},
	author = {L. D. Zarzar and Kim, P. and Aizenberg, J.}
}
