Polycrystalline Diamond Coating of Additively Manufactured Titanium for Biomedical Applications

ACS Applied Materials & Interfaces
Aaqil RifaiKate Fox

Abstract

Additive manufacturing using selective laser melted titanium (SLM-Ti) is used to create bespoke items across many diverse fields such as medicine, defense, and aerospace. Despite great progress in orthopedic implant applications, such as for "just in time" implants, significant challenges remain with regards to material osseointegration and the susceptibility to bacterial colonization on the implant. Here, we show that polycrystalline diamond coatings on these titanium samples can enhance biological scaffold interaction improving medical implant applicability. The highly conformable coating exhibited excellent bonding to the substrate. Relative to uncoated SLM-Ti, the diamond coated samples showed enhanced mammalian cell growth, enriched apatite deposition, and reduced microbial S. aureus activity. These results open new opportunities for novel coatings on SLM-Ti devices in general and especially show promise for improved biomedical implants.

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Citations

Sep 6, 2018·Nanoscale·S Y OngR Schirhagl
Sep 19, 2020·Biointerphases·Avik SarkerKate Fox
Apr 8, 2020·Journal of Materials Chemistry. B, Materials for Biology and Medicine·Xinran ZhangSteve Guofang Shen
Nov 12, 2019·Bioactive Materials·Maria P Nikolova, Murthy S Chavali
May 16, 2020·Materials Science & Engineering. C, Materials for Biological Applications·Neda NorouziRomana Schirhagl
May 28, 2021·Small·Stephan Handschuh-WangYongbing Tang
Jun 26, 2021·Advanced Healthcare Materials·Jessica S L FongAmy Gelmi
Jan 11, 2020·ACS Nano·Aaron ElbourneVi Khanh Truong
Sep 4, 2021·Materials Science & Engineering. C, Materials for Biological Applications·Daniel MerkerMargarita D Apostolova
Oct 8, 2021·Advanced Materials·Ady SuwardiXian Jun Loh

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