Metal Release and Cell Viability of 316L Stainless Steel Sputter-Coated with N-Doped a-C:H Coatings DOI Creative Commons
António Fróis, João Carlos Marques, Luís F. Santos

et al.

Applied Sciences, Journal Year: 2024, Volume and Issue: 14(22), P. 10500 - 10500

Published: Nov. 14, 2024

Hydrogenated amorphous carbon (a-C:H) has been considered a promising biocompatible coating to protect metallic alloys against corrosion for medical applications, namely orthodontics. However, there is still no optimal solution this biomedical field; hence, the investigation remains open. In work, effect of nonmetallic doping element (N) on sputter-deposited a-C:H coatings was studied concerning both salivary and cytotoxicity behavior. After 30-day test in an acidic modified Fusayama-Meyer artificial saliva, metal release from coated uncoated 316L stainless steel (SS) substrates quantified. Tests extracts were then performed by using monocultures macrophages fibroblasts, their coculture; cell viability evaluated via MTT test. Results show overall inhibition SS corrosion, which enhanced vitro biocompatibility with minimal coatings’ microstructure. Among all tested, undoped best, whereas increase N led poorer protection dissolution subsequent slightly lower biocompatibility. The findings corroborate that selecting C-based not good choice field, even at low contents up 10 at.%.

Language: Английский

Enhanced Antibacterial and Corrosion Resistance Performance of Fluorine-Doped Diamond-Like Carbon Coatings on 316 L Stainless Steel DOI
Yimeng Wang, Temitope Olumide Olugbade, Stefan Wackerow

et al.

Colloids and Surfaces B Biointerfaces, Journal Year: 2025, Volume and Issue: unknown, P. 114666 - 114666

Published: April 1, 2025

Language: Английский

Citations

0
Metal Release and Cell Viability of 316L Stainless Steel Sputter-Coated with N-Doped a-C:H Coatings DOI Creative Commons
António Fróis, João Carlos Marques, Luís F. Santos

et al.

Applied Sciences, Journal Year: 2024, Volume and Issue: 14(22), P. 10500 - 10500

Published: Nov. 14, 2024

Hydrogenated amorphous carbon (a-C:H) has been considered a promising biocompatible coating to protect metallic alloys against corrosion for medical applications, namely orthodontics. However, there is still no optimal solution this biomedical field; hence, the investigation remains open. In work, effect of nonmetallic doping element (N) on sputter-deposited a-C:H coatings was studied concerning both salivary and cytotoxicity behavior. After 30-day test in an acidic modified Fusayama-Meyer artificial saliva, metal release from coated uncoated 316L stainless steel (SS) substrates quantified. Tests extracts were then performed by using monocultures macrophages fibroblasts, their coculture; cell viability evaluated via MTT test. Results show overall inhibition SS corrosion, which enhanced vitro biocompatibility with minimal coatings’ microstructure. Among all tested, undoped best, whereas increase N led poorer protection dissolution subsequent slightly lower biocompatibility. The findings corroborate that selecting C-based not good choice field, even at low contents up 10 at.%.

Language: Английский

Citations

1