| Summary: | Abstract Rapid and eco‐friendly preparation of biomedical materials is significant for practical applications. This study proposes a simple two‐step method for preparing silver nanoparticles (AgNPs)‐functionalized gauze dressings (Ag‐Q‐G) with antibacterial activity in a green and time‐efficient manner that requires <10 min. A smooth and uniform quercetin coating is formed on the gauze fibers using alkali–acid redeposition for 10 s. Subsequently, AgNPs are rapidly formed (in 5 min) and firmly deposited on the quercetin‐coated gauze by ultraviolet irradiation in an AgNO3 solution. The in vitro results indicate that Ag–Q–G exhibits excellent antibacterial activity, with a rate of 99.57% ± 0.52% against Staphylococcus aureus and 95.59% ± 1.50% against Escherichia coli, while maintaining acceptable cytocompatibility. An animal study reveals that Ag‐Q‐G reduces infection and promotes wound healing in a rat dorsal total cortical wound model. This approach provides a practical option for the commercial production of antibacterial gauze dressings.
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