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Thus, it is urgent to develop a new strategy for OS treatment. Chemodynamic therapy (CDT) as a novel therapeutic method can destroy cancer cells by converting endogenous hydrogen peroxide (H<jats:sub>2<\/jats:sub>O<jats:sub>2<\/jats:sub>) into highly toxic hydroxyl radicals (\u00b7OH). However, the therapeutic efficacy of CDT is severely limited by the low catalytic efficiency and overexpressed glutathione (GSH). Herein, an excellent nanocatalytic platform is constructed via a simple solvothermal method using F127 as a soft template to form the hollow copper ferrite (HCF) nanoparticle, followed by the coating of polydopamine on the surface and the loading of doxorubicin (DOX). The Fe<jats:sup>3+<\/jats:sup> and Cu<jats:sup>2+<\/jats:sup> released from HCF@polydopamine (HCFP) can deplete GSH through the redox reactions, and then trigger the H<jats:sub>2<\/jats:sub>O<jats:sub>2<\/jats:sub> to generate \u00b7OH by Fenton\/Fenton\u2010like reaction, resulting in enhanced CDT efficacy. Impressively, the photothermal effect of HCFP can further enhance the efficiency of CDT and accelerate the release of DOX. Both in vitro and in vivo experiments reveal that the synergistic chemodynamic\/photothermal\/chemo\u2010therapy exhibits a significantly enhanced anti\u2010OS effect. This work provides a promising strategy for OS treatment.<\/jats:p>","DOI":"10.1002\/smll.202205414","type":"journal-article","created":{"date-parts":[[2022,12,12]],"date-time":"2022-12-12T02:15:15Z","timestamp":1670811315000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":56,"title":["NIR Responsive Doxorubicin\u2010Loaded Hollow Copper Ferrite @ Polydopamine for Synergistic Chemodynamic\/Photothermal\/Chemo\u2010Therapy"],"prefix":"10.1002","volume":"19","author":[{"given":"Xiao","family":"Chu","sequence":"first","affiliation":[{"name":"School of Materials Science and Engineering South China University of Technology  Guangzhou 510641 China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Liufang","family":"Zhang","sequence":"additional","affiliation":[{"name":"School of Materials Science and Engineering South China University of Technology  Guangzhou 510641 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