Noninvasive Photochemical Sealing for Achilles Tendon Rupture by Combination of Upconversion Nanoparticles and Photochemical Tissue Bonding Technology

Figure 1

Characterization of UCNPs and UCNP/Chitosan/β-GP hydrogel. (a). TEM images of UCNPs. (b). Particle size of UCNPs. SEM images of Chitosan/β-GP hydrogel (c and d) and UCNP/Chitosan/β-GP hydrogel (e and f). (g). Photoluminescence intensity of UCNP/Chitosan/β-GP hydrogel under 808 nm near-infrared light excitation. (h). FTIR analysis of Chitosan, β-GP, and Chitosan/β-GP hydrogel.

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