A Tough Polysaccharide-Based Hydrogel with an On-Demand Dissolution Feature for Chronic Wound Care through Light-Induced Ultrafast Degradation
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- A Tough Polysaccharide-Based Hydrogel with an On-Demand Dissolution Feature for Chronic Wound Care through Light-Induced Ultrafast Degradation
- Cui, Ning; Han, Kai; Zhou, Chuqing; Seong, Minho; Lu, Tingli; Jeong, Hoon Eui
- Issue Date
- American Chemical Society
- ACS APPLIED BIO MATERIALS, v.3, no.12, pp.8338 - 8343
- Repeatedly changing dressings during wound healing can cause unbearable physical pain for patients with chronic skin injury. In this study, we designed a tough hydrogel-based dressing that can be degraded in an on-demand fashion for advanced chronic wound care. The resultant hydrogel dressing could be rapidly dissolved within 100 s after wetting with lithium phenyl(2,4,6-trimethylbenzonyl)phosphinate solution under low-power (1 W) ultraviolet (UV) irradiation (365 nm) owing to the breakage of disulfide bonds. This UV-triggered on-demand dissolution of tough hydrogels allows for a facile dressing replacement without causing tissue damage or pain, which is of great potential for clinical utilization.
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