Photodeposition of Hydroxyapatite into a Titanium Dioxide Nanotubular Layer Using Ca(EDTA) Complex Decomposition
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Published:2023-06-09
Issue:6
Volume:13
Page:993
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ISSN:2073-4344
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Container-title:Catalysts
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language:en
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Short-container-title:Catalysts
Author:
Yurova Veronika Yu.1, Zyrianova Polina I.1, Nesterov Pavel V.1ORCID, Goncharov Vyacheslav V.1ORCID, Skorb Ekaterina V.1, Ulasevich Sviatlana A.1ORCID
Affiliation:
1. Infochemistry Scientific Center, ITMO University, 9 Lomonosov Str., Saint-Petersburg 191002, Russia
Abstract
A new photocatalytic hydroxyapatite (HA) synthesis method has been developed. This method is based on the unique ability of the TiO2 photocatalyst to decompose the Ca(EDTA) complex under UV illumination. As a result, released Ca2+ ions react with PO43− ions forming the HA particles. The photocatalytic formation of hydroxyapatite is found to have a fractional order, which may indicate the complex reaction mechanism and the presence of several limiting stages. The TNT-HA samples were studied by XRD, FTIR, SEM, GDOES, and biocompatibility study. High biocompatibility of the surfaces is proven by pre-osteoblast cell growth.
Funder
Russian Science Foundation
Subject
Physical and Theoretical Chemistry,Catalysis,General Environmental Science
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