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Nitrogen plasma surface modification enhances cellular compatibility of aluminosilicate glass

Kaklamani, G; Mehrban, N; Bowen, J; Dong, H; Grover, L; Stamboulis, A; (2013) Nitrogen plasma surface modification enhances cellular compatibility of aluminosilicate glass. Materials Letters , 111 pp. 225-229. 10.1016/j.matlet.2013.08.108. Green open access

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Abstract

The effect of Active Screen Plasma Nitriding (ASPN) treatment on the surface-cellular compatibility of an inert aluminosilicate glass surface has been investigated. ASPN is a novel surface engineering technique, the main advantage of which is the capacity to treat homogeneously all kind of materials surfaces of any shape. A conventional direct current nitriding unit has been used together with an active screen experimental arrangement. The material that was treated was an ionomer glass of the composition 4.5SiO2–3Al2O3–1.5P2O5–3CaO–2CaF2. The modified glass surface showed increased hardness and elastic modulus, decreased surface roughness. The incorporation of nitrogen-containing groups was confirmed using X-ray photoelectron spectroscopy. The modified surface favoured attachment and proliferation of NIH 3T3 fibroblasts.

Type: Article
Title: Nitrogen plasma surface modification enhances cellular compatibility of aluminosilicate glass
Open access status: An open access version is available from UCL Discovery
DOI: 10.1016/j.matlet.2013.08.108
Publisher version: https://doi.org/10.1016/j.matlet.2013.08.108
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
Keywords: Active screen plasma nitriding, Fibroblast, Glass, Ionomer, Surface
UCL classification: UCL
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences > The Ear Institute
URI: https://discovery.ucl.ac.uk/id/eprint/10088332
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