Fig. 2

Characterization of the Gel and DEXs-Gel. A General appearance of Gel and DEXs-Gel. B The injectability of Gel and DEXs-Gel were examined via a 29G needle. C Representative scanning electron microscopy images of Gel and DEXs-Gel. D The curve of DEXs-Gel controlled release ability. E and F Rheological behavior of Gel and DEXs-Gel. G′, storage modulus. G″, loss modulus.