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. Author manuscript; available in PMC: 2015 Dec 28.
Published in final edited form as: J Control Release. 2014 Oct 24;0:261–271. doi: 10.1016/j.jconrel.2014.10.019

Figure 6.

Figure 6

pH oscillations in Cell II over 6.77 days. The membrane was a 10 mol% MAA-90 mol% NIPAM hydrogel. Marble surface area was S=12cm2. Glucose in Cell I was CG=75 mM. Shaded circles indicate points at which 700 μl aliquots were withdrawn to determine, by titration, the extent of buffer buildup in Cell II as a function of time.