Anodic Electrodeposition of Chitosan–AgNP Composites Using In Situ Coordination with Copper Ions
Open Access
- 23 May 2021
- Vol. 14 (11), 2754
- https://doi.org/10.3390/ma14112754
Abstract
Chitosan is an attractive material for biomedical applications. A novel approach for the anodic electrodeposition of chitosan–AgNP composites using in situ coordination with copper ions is proposed in this work. The surface and cross-section morphology of the obtained coating with varying concentrations of AgNPs were evaluated by SEM, and surface functional groups were analyzed with FT-IR spectroscopy. The mechanism of the formation of the coating based on the chelation of Cu(II) ions with chitosan was discussed. The antibacterial activity of the coatings towards Staphylococcus epidermidis ATCC 35984/RP62A bacteria was analyzed using the live–dead approach. The presented results indicate that the obtained chitosan–AgNP-based films possess some limited anti-biofilm-forming properties and exhibit moderate antibacterial efficiency at high AgNP loads.Keywords
Funding Information
- Ministerstwo Nauki i Szkolnictwa Wyższego (statutory subsidy for the Jerzy Haber Institute of Catalysis and Surface Chemistry)
- Narodowe Centrum Badań i Rozwoju (POWR.03.02.00-00-I013/16)
- Narodowa Agencja Wymiany Akademickiej (POWR.03.03.00-IP.08-00-P13/18)
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