Geodesic
Peroxidase-like activity of photochromic PVP-stabilized tungsten oxide nanoparticles: assessment by independent chemiluminescent and colorimetric assays
Nanosistemy: fizika, himiâ, matematika, Tome 16 (2025) no. 1, pp. 22-29.

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In this work, peroxidase-like activity of ultrasmall tungsten oxide nanoparticles including those stabilized with polyvinylpyrrolidone (PVP) was assessed using two independent approaches: the colorimetric method, which is based on the analysis of 3,3’,5,5’-tetramethylbenzidine (TMB) oxidation, and the luminolenhanced chemiluminescence method. It was demonstrated that bare tungsten oxide nanoparticles effectively catalyze the decomposition of hydrogen peroxide. In turn, the PVP-stabilized nanoparticles possess lower catalytic activity, which can be attributed to a decrease in the number of available active centres on the nanoparticle surface.
Keywords: nanomaterials, sols, photochromic materials, TMB, peroxidaselike activity.
Mots-clés : nanozymes, chemiluminescence 
@article{NANO_2025_16_1_a2,
     author = {Matvei A. Popkov and Ekaterina D. Sheichenko and Arina D. Filippova and Ilya V. Tronev and Kristina N. Novoselova and Evelina A. Trufanova and Darya N. Vasilyeva and Maria R. Protsenko and Madina M. Sozarukova and Alexander Y. Baranchikov and Vladimir K. Ivanov},
     title = {Peroxidase-like activity of photochromic {PVP-stabilized} tungsten oxide nanoparticles: assessment by independent chemiluminescent and colorimetric assays},
     journal = {Nanosistemy: fizika, himi\^a, matematika},
     pages = {22--29},
     publisher = {mathdoc},
     volume = {16},
     number = {1},
     year = {2025},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/NANO_2025_16_1_a2/}
}
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AU  - Vladimir K. Ivanov
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%A Ekaterina D. Sheichenko
%A Arina D. Filippova
%A Ilya V. Tronev
%A Kristina N. Novoselova
%A Evelina A. Trufanova
%A Darya N. Vasilyeva
%A Maria R. Protsenko
%A Madina M. Sozarukova
%A Alexander Y. Baranchikov
%A Vladimir K. Ivanov
%T Peroxidase-like activity of photochromic PVP-stabilized tungsten oxide nanoparticles: assessment by independent chemiluminescent and colorimetric assays
%J Nanosistemy: fizika, himiâ, matematika
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Matvei A. Popkov; Ekaterina D. Sheichenko; Arina D. Filippova; Ilya V. Tronev; Kristina N. Novoselova; Evelina A. Trufanova; Darya N. Vasilyeva; Maria R. Protsenko; Madina M. Sozarukova; Alexander Y. Baranchikov; Vladimir K. Ivanov. Peroxidase-like activity of photochromic PVP-stabilized tungsten oxide nanoparticles: assessment by independent chemiluminescent and colorimetric assays. Nanosistemy: fizika, himiâ, matematika, Tome 16 (2025) no. 1, pp. 22-29. http://geodesic.mathdoc.fr/item/NANO_2025_16_1_a2/