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. Author manuscript; available in PMC: 2013 Dec 12.
Published in final edited form as: J Am Chem Soc. 2012 Nov 26;134(49):20139–20145. doi: 10.1021/ja309044z

Figure 3.

Figure 3

Measurement of adhesive force for fabricated microstructures based on catechol-functionalized polysiloxanes after deprotection. (a) SEM images of fabricated microstructures; 5 µm diameter, 10 µm height, AR = 2. (b) Adhesive force versus concentration of catechol units in the starting polysiloxane. (c) Histogram of adhesive force versus concentration of catechol units in the starting polysiloxane. (d) Representative force-distance curves of fabricated microstructures incorporating different concentration of catechol from 0 mol% to 20 mol%.