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izvor podataka: crosbi

Titanium implant alloy modified by electrochemically deposited functional bioactive calcium phosphate coatings (CROSBI ID 323912)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Katić, Jozefina; Krivačić, Sara; Petrović, Željka; Mikić, Dajana; Marciuš, Marijan Titanium implant alloy modified by electrochemically deposited functional bioactive calcium phosphate coatings // Coatings, 13 (2023), 3; 640, 18. doi: 10.3390/coatings13030640

Podaci o odgovornosti

Katić, Jozefina; Krivačić, Sara; Petrović, Željka; Mikić, Dajana; Marciuš, Marijan

engleski

Titanium implant alloy modified by electrochemically deposited functional bioactive calcium phosphate coatings

Calcium phosphate-based (CaP) bioceramic materials are widely used in the field of bone regeneration, both in orthopaedics and in dentistry, due to their good biocompatibility, osseointegration and osteoconduction. The formation of CaP coatings on high-strength implant materials such as titanium alloys combines the superior mechanical properties of metals with the osteoconductive properties of CaP materials. In this work, the electrochemically assisted deposition of CaP coatings on the titanium alloy, TiAlNb, which is commonly used commercially as an implant material in orthopaedic devices, was examined. The barrier properties (electronic properties) of unmodified and CaP- modified titanium alloy were tested in situ in a simulated physiological solution, Hanks’ solution, under in vitro conditions of real implant applications using electrochemical impedance spectroscopy (EIS). The morphology and microstructure of the obtained CaP deposit were characterised by scanning electron microscopy (SEM) and chemical composition was assessed by energy dispersive X-ray spectroscopy (EDS) and attenuated total reflection Fourier transform infrared spectroscopy (ATR-FTIR). The aim was to investigate the effect of calcium phosphate CaP coating on the corrosion resistance of the titanium TiAlNb alloy and to understand better the deposition process in the production of bioactive functional coatings on metallic implant materials.

titanium TiAlNb alloy implant; implant corrosion; EIS; biocompatibility; calcium phosphate CaP; surface functionalisation

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Podaci o izdanju

13 (3)

2023.

640

18

objavljeno

2079-6412

10.3390/coatings13030640

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Kemija

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