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. Author manuscript; available in PMC: 2009 Oct 1.
Published in final edited form as: J Polym Sci A Polym Chem. 2008 Oct 1;46(19):6630–6640. doi: 10.1002/pola.22973

Figure 1.

Figure 1

pH-dependent equilibrium swelling studies at 37 °C for NX-DM gels. All buffered solutions had an ionic strength of 155 mM. (○) NX-2DM; (□) NX-5DM; (△) NX-10DM; (◇) NX-20DM. In this and in subsequent figures, linear swelling ratio can be converted to volume swelling ratio by cubing.