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Bríd Murphy; Jhonattan Baez; Mick A. Morris
Materials Proceedings, 05/2023, Letnik: 14, Številka: 1Journal Article
Bulk titanium and CoCr are the most common metals for use in orthopedic implants, but there are significant advantages in alternative substrates. Research in the last decade has focused on various alternatives; however, these materials are hindered by the adhesion of hydroxyapatite layers to non-bulk metal parts. Demonstrated in this work is the ability to grow hydroxyapatite on surfaces other than bulk metallic parts through the process and characterisation of coating properties. In this study, hydroxyapatite (HA) is grown from saturated solution onto thin titanium films and silicon substrates. Its efficacy is shown to be dependent on substrate roughness. The mechanism of the hydroxyapatite growth is investigated in terms of initial attachment and morphological development using SEM analysis. Characterisation of hydroxyapatite layers by XRD demonstrates how the hydroxyapatite forms from amorphous phases to preferential crystal growth along the 002 direction and TEM imagery confirms specific d-spacings. SEM-EDX and FTIR show adherence to known HA phases through elemental atomic weight percentages and bond assignment. All data are collated and reviewed through the lens of different substrates. The results suggest that once hydroxyapatite seeds, it grows identically regardless of substrate.
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Leto | Faktor vpliva | Izdaja | Kategorija | Razvrstitev | ||||
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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in: SICRIS
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