Abstract
The treatment of subcutaneous abscess caused by drug-resistant bacteria is facing great difficulties and receiving more attention. In this work, we employed BSA-CuS nanoparticles as a photothermal reagent to apply photothermal therapy (PTT) to combat drug-resistant bacteria in vitro and subcutaneous abscess in vivo. The BSA-CuS nanoparticles were found to be stable and biocompatible without cytotoxicity toward NIH3T3 and 4T1 cells. In vitro experiments showed that three species of drug-resistant pathogens, including Escherichia coli, Staphylococcus aureus, and Candida albicans, could be effectively sterilized under co-incubation with BSA-CuS nanoparticles and then irradiation with 1064 nm NIR laser via tissue penetration. BSA-CuS nanoparticles together with 1064 nm NIR laser irradiation could also effectively diminish subcutaneous abscesses caused by drug-resistant bacteria on mice under PTT and depth PTT without causing any serious side effects and organic damage in vivo.That is OK, thank you!
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