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. Author manuscript; available in PMC: 2010 Dec 3.
Published in final edited form as: J Control Release. 2009 Aug 20;140(2):134–140. doi: 10.1016/j.jconrel.2009.08.008

Figure 3.

Figure 3

Pyrene assay of hydrophobicity. The ratio of pyrene fluorescence intensity at 382 nm to that at 392 nm was measured for polymer solutions incubated in the various pH buffers. Polymer concentration was 1 mg/ml. Control refers to buffer only. Standard deviations are within 10%.