Depletable peroxidase-like activity of Fe3O4 nanozymes accompanied with separate migration of electrons and iron ions

Haijiao Dong; Wei Du; Jian Dong; Renchao Che; Fei Kong; Wenlong Cheng; Ming Ma; Ning Gu; Yu Zhang

doi:10.1038/s41467-022-33098-y

Nature Communications (Sep 2022)

Depletable peroxidase-like activity of Fe3O4 nanozymes accompanied with separate migration of electrons and iron ions

Haijiao Dong,
Wei Du,
Jian Dong,
Renchao Che,
Fei Kong,
Wenlong Cheng,
Ming Ma,
Ning Gu,
Yu Zhang

Affiliations

Haijiao Dong: State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University
Wei Du: State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University
Jian Dong: State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University
Renchao Che: Laboratory of Advanced Materials, Fudan University
Fei Kong: State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University
Wenlong Cheng: Department of Chemical Engineering, Faculty of Engineering, Monash University
Ming Ma: State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University
Ning Gu: State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University
Yu Zhang: State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University

DOI: https://doi.org/10.1038/s41467-022-33098-y
Journal volume & issue: Vol. 13, no. 1
pp. 1 – 11

Abstract

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The mechanism of peroxidase-like Fe3O4 nanozymes remains elusive. Here, the authors show the electron transfer mechanism of Fe(II) ions to regenerate surface Fe(II) and the related phase transformation and depletion of activity.

Published in Nature Communications

ISSN: 2041-1723 (Online)
Publisher: Nature Portfolio
Country of publisher: United Kingdom
LCC subjects: Science
Website: https://www.nature.com/ncomms/

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