ArticleProgress in biomaterials2022
Microstructural and in-vitro characteristics of functional calcium silicate topcoat on hydroxyapatite coating for bio-implant applications.
Article in Progress in biomaterials, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed.
- Biomimetic Nacre-like Hydroxyapatite/Polymer Composites for Bone Implants.Journal of functional biomaterials · 2023Article
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Authors and funding
3 authors.
Funding
Abstract
The delayed tissue-implant interactions in metallic implants coated with hydroxyapatite (HA) paved the way for the development of alternative bioactive coatings. In this study, bi-layered functional gradient (HA-CS) coating was formulated by the atmospheric plasma spray (APS) process on Ti6Al4V alloy. The HA layer was applied at the metal interface to ensure long-term stability, while the calcium silicate (CS) outer layer was applied to achieve fast tissue-implant interactions. Moreover, single-layered HA and CS coating were also formulated for comparative analysis. The phase compositions, coating microstructure, chemical properties, microhardness, porosity, surface roughness, and in-vitro bioactivity were investigated. The CS top layer showed high porosity and surface roughness with respect to the inner HA layer, which constitutes an optimum microstructure to promote bioactivity. The microhardness of the outer CS layer of HA-CS was 520.3 ± 80.8 HV, while the corresponding value for the inner HA layer was 291.7 ± 45.7 HV. HA-CS and CS coatings demonstrated higher in-vitro bioactivity compared to HA coating. On the contrary, HA coating (3.76 mpy) displayed better corrosion resistance than the HA-CS (4.17 mpy) and CS coatings (4.34 mpy). The in-vitro results indicated that the HA-CS coating could promote the healthy development of osteoblast-like MG-63.
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