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Development of a polystyrene sulfonate/silver nanocomposite with self-healing properties for biomaterial applications |
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| Authors: | Jérôme Girard Priscilla S. Brunetto Olivier Braissant Zarko Rajacic Nina Khanna Regine Landmann Alma U. Daniels Katharina M. Fromm |
| Affiliation: | 1. Department of Chemistry, University of Fribourg, 9, chemin du Musée, 1700 Fribourg, Switzerland;2. Biomechanics & Calorimetry Center Basel/Pharmazentrum, University of Basel, Klingelbergstrasse 50-70, 4056 Basel, Switzerland;3. Infection Biology, Department of Biomedicine, University Hospital, 4056 Basel, Switzerland |
| Abstract: | A silver polystyrene sulfonate polyelectrolyte was synthesized, showing a spontaneous reduction of silver ions to silver nanoparticles over a period of approximately 1 month. A follow-up of the nanoparticle formation via scanning electron microscopy (SEM) reveals migration of the nanoparticles towards the cracks of the polymer over time, leading to a self-healing process of the nanocomposite. Antibacterial tests show excellent antibacterial activity of our compound, which allows us to use this compound e.g. for external medical applications. |
| Keywords: | Nanocomposite Silver Antibacterial Self-healing Biomaterial Polymers |
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