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Materials
Volume 12
Issue 3
10.3390/ma12030423
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Open AccessArticle

Development and Characterization of Bioactive Glass Containing Composite Coatings with Ion Releasing Function for Antibiotic-Free Antibacterial Surgical Sutures

by
Francesca E. Ciraldo
1,
Kristin Schnepf
1,
Wolfgang H. Goldmann
2 and
Aldo R. Boccaccini
1,*
1
Department of Materials Science and Engineering, Institute of Biomaterials, University of Erlangen-Nuremberg, Cauerstraße 6, 91058 Erlangen, Germany
2
Institute of Biophysics, Department of Physics, University of Erlangen-Nuremberg, Henkestraße 91, 91052 Erlangen, Germany
*
Author to whom correspondence should be addressed.
Materials 2019, 12(3), 423; https://doi.org/10.3390/ma12030423
Received: 11 January 2019 / Revised: 24 January 2019 / Accepted: 26 January 2019 / Published: 30 January 2019
(This article belongs to the Special Issue Advanced Glasses, Composites and Ceramics for High Growth Industries)
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Abstract

Resorbable (Vicryl® Plus) sutures were coated with zinc-doped glass (Zn-BG) and silver-doped ordered mesoporous bioactive glass (Ag-MBG) particles by a dip coating technique. A multilayer approach was used to achieve robust coatings. The first coating was a polymeric layer (e.g., PCL or chitosan) and the second one was a composite made of BG particles in a polymer matrix. The coatings were characterized in terms of morphology by scanning electron microscopy (SEM), in vitro bioactivity, and antibacterial properties. Chitosan/Ag-MBG coatings showed the ability to form hydroxyl-carbonate-apatite on their surfaces after immersion in SBF. An antibacterial effect against Gram (+) and Gram (-) bacteria was confirmed, highlighting the potential application of the coated sutures for antibiotic-free approaches. View Full-Text
Keywords: Zinc; silver-doped mesoporous glass; chitosan; PCL; Vicryl Plus suture; dip coating Zinc; silver-doped mesoporous glass; chitosan; PCL; Vicryl Plus suture; dip coating
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited
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MDPI and ACS Style

Ciraldo, F.E.; Schnepf, K.; Goldmann, W.H.; Boccaccini, A.R. Development and Characterization of Bioactive Glass Containing Composite Coatings with Ion Releasing Function for Antibiotic-Free Antibacterial Surgical Sutures. Materials 2019, 12, 423. https://doi.org/10.3390/ma12030423

AMA Style

Ciraldo FE, Schnepf K, Goldmann WH, Boccaccini AR. Development and Characterization of Bioactive Glass Containing Composite Coatings with Ion Releasing Function for Antibiotic-Free Antibacterial Surgical Sutures. Materials. 2019; 12(3):423. https://doi.org/10.3390/ma12030423

Chicago/Turabian Style

Ciraldo, Francesca E.; Schnepf, Kristin; Goldmann, Wolfgang H.; Boccaccini, Aldo R. 2019. "Development and Characterization of Bioactive Glass Containing Composite Coatings with Ion Releasing Function for Antibiotic-Free Antibacterial Surgical Sutures" Materials 12, no. 3: 423. https://doi.org/10.3390/ma12030423

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