ArticleMaterials (Basel, Switzerland)2020
Structural and Chemical Hierarchy in Hydroxyapatite Coatings.
Article in Materials (Basel, Switzerland), 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed.
- Digital Manufacturing of Calcium Phosphate-Based Dental Materials: From Design to Clinical Use.Materials (Basel, Switzerland) · 2026Review
- Design of internal fixation implants for fracture: A review.Journal of orthopaedic translation · 2025Review
- Investigation of Calcium Phosphate-Based Biopolymer Composite Scaffolds for Bone Tissue Engineering.International journal of molecular sciences · 2024Article
- Development of Hydroxyapatite Coatings for Orthopaedic Implants from Colloidal Solutions: Part 2-Detailed Characterisation of the Coatings and Their Growth Mechanism.Nanomaterials (Basel, Switzerland) · 2023Article
- Inter-Laboratory Study on Measuring the Surface Charge of Electrically Polarized Hydroxyapatite.Journal of functional biomaterials · 2023Article
- RF Magnetron Sputtering of Substituted Hydroxyapatite for Deposition of Biocoatings.Materials (Basel, Switzerland) · 2022Article
- Polymer Networks for Enrichment of Calcium Ions.Polymers · 2021Article
- Article
Corrections and comments
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Authors and funding
5 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Hydroxyapatite coatings need similarly shaped splats as building blocks and then a homogeneous microstructure to unravel the structural and chemical hierarchy for more refined improvements to implant surfaces. Coatings were thermally sprayed with differently sized powders (20-40, 40-63 and 63-80 µm) to produce flattened homogeneous splats. The surface was characterized for splat shape by profilometry and Atomic force microscopy (AFM), crystal size by AFM, crystal orientation by X-ray diffraction (XRD) and structural variations by XRD. Chemical composition was assessed by phase analysis, but variations in chemistry were detected by XRD and Raman spectroscopy. The resulting surface electrical potential was measured by Kelvin probe AFM. Five levels of structural hierarchy were suggested: the coating, the splat, oriented crystals, alternate layers of oxyapatite and hydroxyapatite (HAp) and the suggested anion orientation. Chemical hierarchy was present over a lower range of order for smaller splats. Coatings made from smaller splats exhibited a greater electrical potential, inferred to arise from oxyapatite, and supplemented by ordered OH
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Registered trials
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