- PII
- S3034558825050089-1
- DOI
- 10.7868/S3034558825050089
- Publication type
- Article
- Status
- Published
- Authors
- Volume/ Edition
- Volume 61 / Issue number 9-10
- Pages
- 604-613
- Abstract
- Bioactive TiO–PO/ZnO composites were obtained, which are modified zinc oxide granules (in the inner part) based on Tokem 250 cationite, coated with a titanate-phosphate gel based on the TiO–PO system, followed by immersion in a solution of polyvinyl alcohol (PVA) or hydrolyzed liquid glass (sodium silicate). The heat treatment mode of the material is set: stepwise annealing for 30 minutes (150, 250, 350°C), 6 hours (600°C), 1 hour (800°C). The ability to form a calcium phosphate layer on the surface due to the presence of active Ti surface centers was confirmed by trilometric titration to determine the total concentration of calcium and magnesium ions in SBF solution. After immersion in an SBF solution, micro-X-ray spectral analysis captures calcium, zinc, oxygen, titanium, and phosphorus on the surface of the composites, which corresponds to the physiological composition characteristic of bone tissue. To shape the biomaterial, PVA and liquid glass were introduced as gelling additives. The introduction of gelling additives has a beneficial effect on the biological properties of composites, but the stabilization of the total concentration of Ca and Mg ions in samples with a gelling additive of PVA occurs faster than with liquid glass. The obtained samples can be recommended for further research.
- Keywords
- золь–гель-метод кальций-фосфатные биоматериалы костная ткань композиты гелеобразующая добавка
- Date of publication
- 24.03.2026
- Year of publication
- 2026
- Number of purchasers
- 0
- Views
- 28
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