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Polyoxometalates 2024, 3(3): 9140060 https://doi.org/10.26599/POM.2024.9140060
Research Article | Open Access | Issue | Published: 04 March 2024

From confined growth to enhanced peroxidase-like activity: Nucleation of a phosphate-mediated FeIII–CeIII–oxo cluster inside the {P8W48} nanoreactor

Show Author's Information Hong-Xin Sheng1,  Bo-Yang Lin1,  Chao-Qin Chen1,  Jing Du2,  Peng Yang1 ( )
College of Chemistry and Chemical Engineering, Advanced Catalytic Engineering Research Center of the Ministry of Education, Hunan University, Changsha 410082, China
Testing and Analysis Center, Hebei Normal University, Shijiazhuang 050024, China
Keywords:
X-ray diffraction, peroxidase-like activity, polyoxometalates, host–guest assembly, space-confined synthesis
Cite this article:
Sheng H-X, Lin B-Y, Chen C-Q, et al. From confined growth to enhanced peroxidase-like activity: Nucleation of a phosphate-mediated FeIII–CeIII–oxo cluster inside the {P8W48} nanoreactor. Polyoxometalates, 2024, 3(3): 9140060. https://doi.org/10.26599/POM.2024.9140060
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Abstract Full text Electronic supplementary material About this article

Novel structures of polyoxometalates can be obtained by confining the synthons within specific nanospaces. This capability is what the confined synthetic method excels at. Within the cavity of {P8W48}, a novel multicomponent cluster comprising cationic FeIII and CeIII heterometals and PO43− oxyanions was successfully nucleated for the first time. Alongside examining the structure and composition of this host–guest assembly, thorough investigations were conducted into the enhanced peroxidase-like activity induced by the Fenton-active metallic species. Preliminary studies on a colorimetric sensor based on [{FeIII8CeIII4O2(OH)12(H2O)8(PO4)2}(P8W48O184)]26− yielded promising results, demonstrating its ability to detect ascorbic acid with high sensitivity and specificity.


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About this article

From confined growth to enhanced peroxidase-like activity: Nucleation of a phosphate-mediated FeIII–CeIII–oxo cluster inside the {P8W48} nanoreactor

Show Author's information Hong-Xin Sheng1, Bo-Yang Lin1, Chao-Qin Chen1, Jing Du2, Peng Yang1 ( )
College of Chemistry and Chemical Engineering, Advanced Catalytic Engineering Research Center of the Ministry of Education, Hunan University, Changsha 410082, China
Testing and Analysis Center, Hebei Normal University, Shijiazhuang 050024, China

Abstract

Novel structures of polyoxometalates can be obtained by confining the synthons within specific nanospaces. This capability is what the confined synthetic method excels at. Within the cavity of {P8W48}, a novel multicomponent cluster comprising cationic FeIII and CeIII heterometals and PO43− oxyanions was successfully nucleated for the first time. Alongside examining the structure and composition of this host–guest assembly, thorough investigations were conducted into the enhanced peroxidase-like activity induced by the Fenton-active metallic species. Preliminary studies on a colorimetric sensor based on [{FeIII8CeIII4O2(OH)12(H2O)8(PO4)2}(P8W48O184)]26− yielded promising results, demonstrating its ability to detect ascorbic acid with high sensitivity and specificity.

Keywords: X-ray diffraction, peroxidase-like activity, polyoxometalates, host–guest assembly, space-confined synthesis

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Publication history

Received: 18 December 2023
Revised: 23 January 2024
Accepted: 31 January 2024
Published: 04 March 2024
Issue date: September 2024

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© The Author(s) 2024. Published by Tsinghua University Press.

Acknowledgements

Acknowledgements

This research was financially supported by the Natural Science Foundation of Hunan Province (No. 2022JJ20007), the Science and Technology Innovation Program of Hunan Province (No. 2022RC1115), and the Student Innovation Training (SIT) program of Hunan Province (No. S202210532256).

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