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. Author manuscript; available in PMC: 2011 Mar 11.
Published in final edited form as: Polymer (Guildf). 2010 Mar 11;51(6):1237–1243. doi: 10.1016/j.polymer.2010.01.060

Fig 6.

Fig 6

Weight swelling of crushed microparticles (150μm) as a function of pH. An increase in the crosslinking of the polymers reduced the overall swelling, reducing the amount of water uptake. The lines are sigmoidal regressions of the data.