NIR-Responsive Hydrogel

Light-Controlled CO Release

A CO-releasing hydrogel incorporating Prussian blue nanocarriers enables controlled gas therapy under near-infrared trigger, simultaneously providing antibacterial, anti-inflammatory, and tissue-proliferative functions.

Li, Yao · Zhang, Zhixue · Haoran, Jiang · Zheng, Zhuang · Cong, Hailin · Yu, Bing · Kai, Wang · Hu, Hao

Chemical Engineering Journal 2025

Advantages

Rapid and high-quality wound healing detected in infected wound models

CO released under near-infrared light trigger

Contains active factor PDRN for immunomodulation and promoting tissue proliferation

CO and cationic-enhanced carboxymethyl chitosan (CMC) exert antibacterial function