Figure 2 (IMAGE)

Science China Press

Figure 2

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(A) Photographs showing the solution or hydrogel status of the mixtures of 4P-OPA with 4P-NH2, 4P-NHNH2 and 4P-ONH2, respectively, when the polymer concentrations were below or equal to the critical gelation concentrations (CGCs). (B) CGCs for various combinations of 4aPEG. (C) Gelation time at different polymer concentrations. (D-G) Time sweep rheological measurement for the 5% (w/v) mixtures of various formulations. (H,I) Compressive and tensile tests for the mixtures.

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