E. D. Koshevaya, E. M. Shishmakova, A. V. Belousov, V. N. Morozov, M. A. Kolyvanova, O. V. Dement’eva, “Synthesis of hybrid Ta2O5@PDA/Au nanocomposites”, Mendeleev Commun., 35:4 (2025), 475

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Mendeleev Communications, 2025, Volume 35, Issue 4, Pages 475–477
DOI: https://doi.org/10.71267/mencom.7672 (Mi mendc7025)

Communications

Synthesis of hybrid Ta₂O₅@PDA/Au nanocomposites

E. D. Koshevaya^a, E. M. Shishmakova^b, A. V. Belousov^a, V. N. Morozov^c, M. A. Kolyvanova^ac, O. V. Dement’eva^b

^a Burnasyan Federal Medical Biophysical Center of Federal Medical Biological Agency, 123182 Moscow, Russian Federation
^b A. N. Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences, 119071 Moscow, Russian Federation
^c N. M. Emanuel Institute of Biochemical Physics, Russian Academy of Sciences, 119334 Moscow, Russian Federation

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DOI: https://doi.org/10.71267/mencom.7672

Graphic abstract: Synthesis of hybrid Ta<sub>2</sub>O<sub>5</sub>@PDA/Au nanocomposites

Abstract: Hybrid Ta₂O₅/Au nanoparticles (NPs) were synthesized by in situ radiolytic reduction of Au ions in tantalum oxide hydrosol. For efficient Au binding, Ta₂O₅NPs were preliminarily modified with a polydopamine (PDA) coating. This one-pot approach allows the monodispersed Au NPs to be directly anchored on the Ta₂O₅@PDA surface, which compares favourably with conventional multi-stage method for creation such structures.

Keywords: tantalum oxide, gold, hybrid nanoparticles, polydopamine coating, radiation synthesis.

Funding agency	Grant number
Russian Science Foundation	24-23-00510

Received: 01.11.2024
Accepted: 27.02.2025

Published: 21.05.2025

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Document Type: Article

Language: English

*Supplementary materials:*
		Supplementary_data_1.pdf	(479.2 Kb)

Citation: E. D. Koshevaya, E. M. Shishmakova, A. V. Belousov, V. N. Morozov, M. A. Kolyvanova, O. V. Dement’eva, “Synthesis of hybrid Ta₂O₅@PDA/Au nanocomposites”, Mendeleev Commun., 35:4 (2025), 475–477

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