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Fe/Cu MOFs of Fe2+-rich and Cu-doping via in situ reduction as nanozyme for peroxidase-like catalycity enhancement.
Jiang, Minqiang; Xu, Zixuan; Li, Lijie; Li, Min; He, Gaohong; Zhang, Wenjun.
Afiliación
  • Jiang M; School of Chemical Engineering, Ocean and Life Sciences, Dalian University of Technology, Panjin, 124221, Liaoning Province, P. R. China.
  • Xu Z; School of Chemical Engineering, Ocean and Life Sciences, Dalian University of Technology, Panjin, 124221, Liaoning Province, P. R. China.
  • Li L; School of Chemical Engineering, Ocean and Life Sciences, Dalian University of Technology, Panjin, 124221, Liaoning Province, P. R. China.
  • Li M; Molecular Imaging Precision Medical Collaborative Innovation Center, Shanxi Medical University, Taiyuan, 030001, Shanxi Province, P. R. China.
  • He G; School of Chemical Engineering, Ocean and Life Sciences, Dalian University of Technology, Panjin, 124221, Liaoning Province, P. R. China. hgaohong@dlut.edu.cn.
  • Zhang W; State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian, 116023, P. R. China. hgaohong@dlut.edu.cn.
Mikrochim Acta ; 191(8): 478, 2024 Jul 22.
Article en En | MEDLINE | ID: mdl-39039252
ABSTRACT
Fe-MOFs of mixed valence was synthesized by a solvothermal method via the in-situ reduction of ethylene glycol (EG) pre-coordination with the proper ratio of Fe2+/Fe3+ between 0.83 and 2.46. Synchronously with copper introduction, the Fe/Cu MOFs of mixed valence (Fe/Cu-MVMOFs) was then one pot acquired to remarkably improve the affinity of Fe2+ and Cu+ to H2O2 and promote the conversion efficiency of Fe2+/Fe3+ via the electron transfer among Fe-Cu bimetal clusters (XPS and XRD). Hence, the maximum reaction rate of H2O2 with Fe/Cu-MVMOFs reached 16.65 M·s-1, along with Km as low as 0.0479 mM. H2O2 and glutathione (GSH) were efficiently detected, ranging from 0.25 to 60 µM and from 0.2 to 40 µM, respectively. The investigation of catalyzation selectivity and practical serum detection by Fe/Cu-MVMOFs illustrated the efficacy and efficiency, denoting Fe/Cu-MVMOFs as the promising peroxidase candidate.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Mikrochim Acta Año: 2024 Tipo del documento: Article Pais de publicación: Austria
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Mikrochim Acta Año: 2024 Tipo del documento: Article Pais de publicación: Austria