Electrophoretic Deposition and Characteristics of Chitosan–Nanosilver Composite Coatings on a Nanotubular TiO2 Layer - Publication - MOST Wiedzy

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Electrophoretic Deposition and Characteristics of Chitosan–Nanosilver Composite Coatings on a Nanotubular TiO2 Layer

Abstract

The surface treatment of titanium implants has been applied mainly to increase surface bioactivity and, more recently, to introduce antibacterial properties. To this end, composite coatings have been investigated, particularly those based on hydroxyapatite. The present research was aimed at the development of another coating type, chitosan–nanosilver, deposited on a Ti13Zr13Nb alloy. The research comprised characterization of the coating’s microstructure and morphology, timedependent nanosilver dissolution in simulated body fluid, and investigation of the nanomechanical properties of surface coatings composed of chitosan and nanosilver, with or without a surface-active substance, deposited at different voltages for 1 min on a nanotubular TiO2 layer. The microstructure, morphology, topography, and phase composition were examined, and the silver dissolution rate in simulated body fluid, nanoscale mechanical properties, and water contact angle were measured. The voltage value significantly influenced surface roughness. All specimens possessed high biocompatibility. The highest and best adhesion of the coatings was observed in the absence of a surface-active substance. Silver dissolution caused the appearanc

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Details

Category:
Articles
Type:
artykuły w czasopismach
Published in:
Coatings no. 10, pages 1 - 16,
ISSN: 2079-6412
Language:
English
Publication year:
2020
Bibliographic description:
Bartmański M., Pawłowski Ł., Zieliński A., Mielewczyk-Gryń A., Strugała G., Cieślik B.: Electrophoretic Deposition and Characteristics of Chitosan–Nanosilver Composite Coatings on a Nanotubular TiO2 Layer// Coatings -Vol. 10,iss. 3 (2020), s.1-16
DOI:
Digital Object Identifier (open in new tab) 10.3390/coatings10030245
Verified by:
Gdańsk University of Technology

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