title: Au25 cluster functionalized metal-organic nanostructures for magnetically targeted photodynamic/photothermal therapy triggered by single wavelength 808 nm near-infrared light.
abstract: Near-infrared (NIR) light-induced cancer therapy has gained considerable interest, but pure inorganic anti-cancer platforms usually suffer from degradation issues. Here, we designed metal-organic frameworks (MOFs) of Fe3O4/ZIF-8-Au25 (IZA) nanospheres through a green and economic procedure. The encapsulated Fe3O4 nanocrystals not only produce hyperthemal effects upon NIR light irradiation to effectively kill tumor cells, but also present targeting and MRI imaging capability. More importantly, the attached ultrasmall Au25(SR)18(-) clusters (about 2.5 nm) produce highly reactive singlet oxygen ((1)O2) to cause photodynamic effects through direct sensitization under NIR light irradiation. Furthermore, the Au25(SR)18(-) clusters also give a hand to the hyperthemal effect as photothermal fortifiers. This nanoplatform exhibits high biocompatibility and an enhanced synergistic therapeutic effect superior to any single therapy, as verified by in vitro and in vivo assay. This image-guided therapy based on a metal-organic framework may stimulate interest in developing other kinds of metal-organic materials with multifunctionality for tumor diagnosis and therapy.
authors.affiliation: Key Laboratory of Superlight Materials and Surface Technology, Ministry of Education, College of Material Science and Chemical Engineering, Harbin Engineering University, Harbin, 150001, P. R. China. yangpiaoping@hrbeu.edu.cn gaishili@hrbeu.edu.cn.
authors.forename: Dan
authors.initials: D
authors.lastname: Yang
authors.affiliation: Key Laboratory of Superlight Materials and Surface Technology, Ministry of Education, College of Material Science and Chemical Engineering, Harbin Engineering University, Harbin, 150001, P. R. China. yangpiaoping@hrbeu.edu.cn gaishili@hrbeu.edu.cn.
authors.forename: Guixin
authors.initials: G
authors.lastname: Yang
authors.affiliation: Key Laboratory of Superlight Materials and Surface Technology, Ministry of Education, College of Material Science and Chemical Engineering, Harbin Engineering University, Harbin, 150001, P. R. China. yangpiaoping@hrbeu.edu.cn gaishili@hrbeu.edu.cn.
authors.forename: Shili
authors.initials: S
authors.lastname: Gai
authors.affiliation: Key Laboratory of Superlight Materials and Surface Technology, Ministry of Education, College of Material Science and Chemical Engineering, Harbin Engineering University, Harbin, 150001, P. R. China. yangpiaoping@hrbeu.edu.cn gaishili@hrbeu.edu.cn.
authors.forename: Fei
authors.initials: F
authors.lastname: He
authors.affiliation: Key Laboratory of Superlight Materials and Surface Technology, Ministry of Education, College of Material Science and Chemical Engineering, Harbin Engineering University, Harbin, 150001, P. R. China. yangpiaoping@hrbeu.edu.cn gaishili@hrbeu.edu.cn.
authors.forename: Guanghui
authors.initials: G
authors.lastname: An
authors.affiliation: Key Laboratory of Superlight Materials and Surface Technology, Ministry of Education, College of Material Science and Chemical Engineering, Harbin Engineering University, Harbin, 150001, P. R. China. yangpiaoping@hrbeu.edu.cn gaishili@hrbeu.edu.cn.
authors.forename: Yunlu
authors.initials: Y
authors.lastname: Dai
authors.affiliation: Key Laboratory of Superlight Materials and Surface Technology, Ministry of Education, College of Material Science and Chemical Engineering, Harbin Engineering University, Harbin, 150001, P. R. China. yangpiaoping@hrbeu.edu.cn gaishili@hrbeu.edu.cn.
authors.forename: Ruichan
authors.initials: R
authors.lastname: Lv
authors.affiliation: Key Laboratory of Superlight Materials and Surface Technology, Ministry of Education, College of Material Science and Chemical Engineering, Harbin Engineering University, Harbin, 150001, P. R. China. yangpiaoping@hrbeu.edu.cn gaishili@hrbeu.edu.cn.
authors.forename: Piaoping
authors.initials: P
authors.lastname: Yang
mesh_terms: D000818:Animals; D005260:Female; D006046:Gold / Q000737:chemistry / Q000494:pharmacology; D006367:HeLa Cells; D006801:Humans; D006979:Hyperthermia, Induced / Q000379:methods*; D007259:Infrared Rays; D058185:Magnetite Nanoparticles / Q000737:chemistry*; D008807:Mice, Inbred BALB C; D009374:Neoplasms, Experimental / Q000473:pathology / Q000628:therapy*; D010778:Photochemotherapy / Q000379:methods*; D023041:Xenograft Model Antitumor Assays
chemical_list: D058185:Magnetite Nanoparticles; D006046:Gold