Functionalizing Diatomite-Based Micro-Arc Coatings for Orthopedic Implants: Influence of TiO2 Addition; Biomimetics; Vol. 8, iss. 3

Functionalizing Diatomite-Based Micro-Arc Coatings for Orthopedic Implants: Influence of TiO2 Addition

Detalles Bibliográficos
Parent link:Biomimetics.— .— Basel: MDPI AG
Vol. 8, iss. 3.— 2023.— Article number 280, 17 p.
Autor Corporativo: National Research Tomsk Polytechnic University (570)
Outros autores: Kashin A. D. Aleksandr Daniilovich, Sedelnikova M. B. Mariya Borisovna, Uvarkin P. V. Pavel Viktorovich, Ugodchikova A. V. Anna Vladimirovna, Luginin N. A. Nikita Andreevich, Sharkeev Yu. P. Yury Petrovich, Khimich M. A. Margarita Andreevna, Bakina O. V. Olga Vasiljevna
Summary:The method of micro-arc oxidation has been utilized to synthesize a protective biocompatible coating for a bioresorbable orthopedic Mg implant. This paper presents the results of comprehensive research of micro-arc coatings based on diatomite—a biogenic material consisting of shells of diatom microalgae. The main focus of this study was the functionalization of diatomite-based micro-arc coatings by incorporating particles of titania (TiO2) into them. Various properties of the resulting coatings were examined and evaluated. XRD analysis revealed the formation of a new magnesium orthosilicate phase—forsterite (Mg2SiO4). It was established that the corrosion current density of the coatings decreased by 1–2 orders of magnitude after the inclusion of TiO2 particles, depending on the coating process voltage. The adhesion strength of the coatings increased following the particle incorporation. The processes of dissolution of both coated and uncoated samples in a sodium chloride solution were studied. The in vitro cell viability was assessed, which showed that the coatings significantly reduced the cytotoxicity of Mg samples
Текстовый файл
Idioma:inglés
Publicado: 2023
Subjects:
orthopedic implants
magnesium alloy
micro-arc coating
diatomite
TiO2; in vitro biocompatibility
corrosion resistance
adhesive strength
труды учёных ТПУ
электронный ресурс
Acceso en liña:https://doi.org/10.3390/biomimetics8030280
Formato: Electrónico Capítulo de libro
KOHA link:https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=677061

Títulos similares

Títulos similares