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Coatings 2018, 8(1), 27; https://doi.org/10.3390/coatings8010027

Bioactive and Antibacterial Coatings Based on Zein/Bioactive Glass Composites by Electrophoretic Deposition

1
Institute of Biomaterials, Department of Materials Science and Engineering, University of Erlangen–Nuremberg, 91058 Erlangen, Germany
2
Department of Materials, Imperial College London, London SW7 2AZ, UK
These authors contributed equally to this work.
*
Author to whom correspondence should be addressed.
Received: 10 August 2017 / Revised: 26 November 2017 / Accepted: 15 December 2017 / Published: 8 January 2018
(This article belongs to the Special Issue Electrophoretic Deposition)
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Abstract

This study investigated the electrophoretic deposition (EPD) of the natural polymer zein combined with bioactive glass (BG) particles. Through the deposition of various BG compositions, namely 45S5 BG and Cu-doped BG, this work sought to demonstrate the ability of the films to potentiate the formation of hydroxyapatite (HA) in contact with simulated body fluid (SBF). Following incubation in SBF, the physical and chemical surface properties of the EPD films were evaluated using different characterization techniques. The formation of HA at the surface of the coatings following immersion in SBF was confirmed using Fourier transform infrared spectroscopy (FTIR). The results demonstrated HA formation in all coatings after seven days of immersion in SBF. Coating morphology and degradation of the zein films were characterized using environmental scanning electron microscopy (ESEM). The results confirmed EPD as a very convenient room temperature technique for production of ion releasing, bioactive, and antibacterial coatings for potential application in orthopedics. View Full-Text
Keywords: electrophoretic deposition; composite coating; bioactive glass; zein; biomaterials electrophoretic deposition; composite coating; bioactive glass; zein; biomaterials
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Meyer, N.; Rivera, L.R.; Ellis, T.; Qi, J.; Ryan, M.P.; Boccaccini, A.R. Bioactive and Antibacterial Coatings Based on Zein/Bioactive Glass Composites by Electrophoretic Deposition. Coatings 2018, 8, 27.

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