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Materials 2016, 9(5), 351; doi:10.3390/ma9050351

Effect of Graphene Nanoplatelets on the Physical and Antimicrobial Properties of Biopolymer-Based Nanocomposites

Dipartimento di Ingegneria Civile, Ambientale, Aerospaziale, dei Materiali, Università di Palermo, UdR INSTM di Palermo, Viale delle Scienze, Palermo 90128, Italy
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Academic Editor: Mauro Pollini
Received: 5 April 2016 / Revised: 29 April 2016 / Accepted: 2 May 2016 / Published: 9 May 2016
(This article belongs to the Special Issue Advances and Applications of Nano-antimicrobial Treatments)
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Abstract

In this work, biopolymer-based nanocomposites with antimicrobial properties were prepared via melt-compounding. In particular, graphene nanoplatelets (GnPs) as fillers and an antibiotic, i.e., ciprofloxacin (CFX), as biocide were incorporated in a commercial biodegradable polymer blend of poly(lactic acid) (PLA) and a copolyester (BioFlex®). The prepared materials were characterized by scanning electron microscopy (SEM), and rheological and mechanical measurements. Moreover, the effect of GnPs on the antimicrobial properties and release kinetics of CFX was evaluated. The results indicated that the incorporation of GnPs increased the stiffness of the biopolymeric matrix and allowed for the tuning of the release of CFX without hindering the antimicrobial activity of the obtained materials. View Full-Text
Keywords: nanocomposites; graphene nanoplatelets (GnPs); poly(lactic acid) (PLA); antimicrobial activity; drug release; ciprofloxacin nanocomposites; graphene nanoplatelets (GnPs); poly(lactic acid) (PLA); antimicrobial activity; drug release; ciprofloxacin
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. (CC BY 4.0).

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MDPI and ACS Style

Scaffaro, R.; Botta, L.; Maio, A.; Mistretta, M.C.; La Mantia, F.P. Effect of Graphene Nanoplatelets on the Physical and Antimicrobial Properties of Biopolymer-Based Nanocomposites. Materials 2016, 9, 351.

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