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Naji, M. |
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Motta, Antonella |
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Aletan, Dirar |
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Mohamed, Tarek |
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Ertürk, Emre |
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Taccardi, Nicola |
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Kononenko, Denys |
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Petrov, R. H. | Madrid |
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Alshaaer, Mazen | Brussels |
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Bih, L. |
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Casati, R. |
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Muller, Hermance |
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Kočí, Jan | Prague |
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Šuljagić, Marija |
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Kalteremidou, Kalliopi-Artemi | Brussels |
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Azam, Siraj |
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Ospanova, Alyiya |
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Blanpain, Bart |
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Ali, M. A. |
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Popa, V. |
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Rančić, M. |
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Ollier, Nadège |
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Azevedo, Nuno Monteiro |
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Landes, Michael |
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Rignanese, Gian-Marco |
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Birkett, Martin
Northumbria University
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (23/23 displayed)
- 2024Precision depth-controlled isolated silver nanoparticle-doped diamond-like carbon coatings with enhanced ion release, biocompatibility, and mechanical performancecitations
- 2023Soft diamond-like carbon coatings with superior biocompatibility for medical applicationscitations
- 2023Biocompatible Ti3Au–Ag/Cu thin film coatings with enhanced mechanical and antimicrobial functionalitycitations
- 2023Biocompatible Ti3Au–Ag/Cu thin film coatings with enhanced mechanical and antimicrobial functionalitycitations
- 2022Enhanced mechanical and biocompatibility performance of Ti(1- x )Ag(x) coatings through intermetallic phase modificationcitations
- 2022Thermal activation of Ti(1-x)Au(x) thin films with enhanced hardness and biocompatibility citations
- 2022Tribological Behavior of Microalloyed Cu50Zr50 Alloy
- 2022Tribological Behavior of Microalloyed Cu50Zr50 Alloy
- 2022Mn3Ag(1-x)Cu(x)N antiperovskite thin films with ultra-low temperature coefficient of resistancecitations
- 2022Mn3Ag(1-x)Cu(x)N antiperovskite thin films with ultra-low temperature coefficient of resistancecitations
- 2022Investigating the Thermal and Mechanical Properties of Polyurethane Urea Nanocomposites for Subsea Applications
- 2022Thermal activation of Ti(1-x)Au(x) thin films with enhanced hardness and biocompatibilitycitations
- 2021Mechanical performance of biocompatible Ti-Au thin films grown on glass and Ti6Al4V substrates
- 2021Effect of noble metal (M=Ag, Au) doping concentration on mechanical and biomedical properties of Ti-M matrix thin films co-deposited by magnetron sputtering
- 2019A Numerical and Experimental Study of Adhesively-Bonded Polyethylene Pipelinescitations
- 2018Tuning the antimicrobial behaviour of Cu85Zr15 thin films in “wet” and “dry” conditions through structural modificationscitations
- 2016Mechanical behaviour of adhesively bonded polyethylene tapping teescitations
- 2016Electrical resistivity of CuAlMo thin films grown at room temperature by dc magnetron sputteringcitations
- 2016Resistor trimming geometry; past, present and futurecitations
- 2015Investigation into the Development of an Additive Manufacturing Technique for the Production of Fibre Composite Productscitations
- 2012Optimization of the deposition and annealing of CuAIMo thin film resistors
- 2008Discrete resistor technologies and potential future advancements
- 2006Effects of annealing on the electrical properties of NiCr vs AlCu thin film resistors prepared by DC magnetron sputtering
Places of action
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article
Soft diamond-like carbon coatings with superior biocompatibility for medical applications
Abstract
Biomedical applications of diamond-like carbon (DLC) coatings are continuously increasing due to their superior mechanical properties, low friction coefficient, antiwear characteristics, and biocompatibility. The mechanical and tribological characteristics of DLC coatings have been comprehensively investigated on various substrate systems as a function of their deposition parameter dependant features for various biomaterial applications. However, the relationship between biocompatibility and resulting hardness of DLC coatings as a function of their bias voltage driven intrinsic features like sp2 and sp3 bonds remains largely unexplored. In this work, a series of DLC coatings are prepared as a function of varying bias voltage from 0 to −120 V, and characterised for their atomic structure, physical, and mechanical properties, and biocompatibility. The contact angle and surface roughness of the DLC coatings reduce while hardness increases from 7.8 to 20.3 GPa with increasing bias voltage from 0 to −120 V. A relatively soft DLC coating is shown to retain excellent biocompatibility which is approximately 38% higher than the harder DLC coatings following exposure of their leached extracts to L929 mouse fibroblast cells. This work demonstrates the complex interdependence of biocompatibility and hardness of DLC coatings and the outcomes will support correct material selection with an appropriate balance of these key properties for specific biomedical applications such as load-carrying and non-load carrying devices.