@article {1311308, title = {Chemical Modification of Acrylamide Gels: Verification of the Role of Ionization in Phase Transitions}, journal = {Macromolecules}, volume = {16}, year = {1983}, note = {165}, pages = {887-890}, author = {Nicoli, D. and Young, C. and Tanaka, T. and Pollak, A. and Whitesides, G. M.} }