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This study developed a novel heterojunction photocatalyst (PC), PTQ10\u2010SY1, supported on coconut shell charcoal (CSC), a carbon material derived from natural biomass. The CSC matrix ensures efficient dispersion of PTQ10\u2010SY1 and enhances its recoverability, thereby synthesizing the reusable, environmentally friendly, white light\u2010responsive material CSC@PTQ10\u2010SY1. Under 13.2\u00a0mW\/cm\n                    <jats:sup>2<\/jats:sup>\n                    of light excitation, the material efficiently generates reactive oxygen species (ROS), which disrupt the cell wall and membrane integrity of\n                    <jats:italic>A. baumannii<\/jats:italic>\n                    , inhibit ATP synthesis, and leading to bacterial death. It achieves significant elimination of\n                    <jats:italic>A. baumannii<\/jats:italic>\n                    within 30\u00a0min and also demonstrates effective activity against Methicillin\u2010resistance\n                    <jats:italic>Staphylococcus aureus<\/jats:italic>\n                    (MRSA) and\n                    <jats:italic>Pseudomonas aeruginosa<\/jats:italic>\n                    (\n                    <jats:italic>P. aeruginosa<\/jats:italic>\n                    ). In mammalian safety assessments, CSC@PTQ10\u2010SY1 shows minimal adverse effects under the tested conditions. In a wound\u2010associated infection model, topical application of CSC@PTQ10\u2010SY1 significantly reduces bacterial burden and inflammation, resulting in improved wound healing outcomes compared to the control group. Furthermore, the material retains its composition and shows no evidence of tolerance to photodynamic therapy (PDT) after 10 cycles. This work highlights an innovative strategy for designing antimicrobial PC materials and promotes the application of antimicrobial PDT for the\n                    <jats:italic>A. baumannii<\/jats:italic>\n                    .\n                  <\/jats:p>","DOI":"10.1002\/smll.76174","type":"journal-article","created":{"date-parts":[[2026,10,8]],"date-time":"2026-10-08T16:15:13Z","timestamp":1791476113000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["A Recyclable Coconut\u2010Shell\u2010Carbon\u2010Based Photocatalyst for Robust Antimicrobial Activity and Enhanced Wound Repair"],"prefix":"10.1002","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-9341-2236","authenticated-orcid":false,"given":"Yu\u2010Long","family":"Li","sequence":"first","affiliation":[{"name":"Guangxi Technology Innovation Cooperation Base of Prevention and Control Pathogenic Microbes With Drug Resistance Baise City Bio\u2010based Active Substances Database Construction and Application Technology Innovation Center Youjiang Medical University for Nationalities  Baise Guangxi P. 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