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A first look at the formation of PEO-PDA coatings on 3D titanium

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摘要 Additive manufacturing has revolutionized implantology by enabling the fabrication of customized,highly porous implants.Surface modifications using electrochemical methods can significantly enhance the bioactivity and biocompatibility of biomaterials,including 3D-printed implants.This study investigates novel coatings on 3D titanium(Ti)samples.Mesh Ti samples were designed and subjected to plasma electrolytic oxidation(PEO)to form a calcium phosphate coating.Subsequently,a layer of polydopamine(PDA)was applied.The electrochemical properties and morphology of the coatings were analyzed.Scanning electron microscopy(SEM)and energy-dispersive X-ray spectroscopy(EDS)revealed well-developed coatings containing calcium phosphates(including hydroxyapatite),titanium dioxide,and polymerized dopamine,suggesting promising bioactive potential.Composite layers incorporating PDA exhibited superior protective properties compared to base PEO coatings.
机构地区 Institute of Chemistry
出处 《ChemPhysMater》 2024年第4期451-461,共11页 化学物理材料(英文)
基金 The formation of coatings,as well as SEM and EDS,was supported by Russian Science Foundation Grant No.22-73-10149,https://rscf.ru/project/22-73-10149/ The electrochemical studies and wettability measurements were supported by the Russian Science Foundation Grant No.23-13-00329,https://rscf.ru/project/23-13-00329/.
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