Chitosan-Functionalized Graphene Nanocomposite Films: Interfacial Interplay and Biological Activity.

ABSTRACT: Graphene oxide (GO) has recently captured tremendous attention, but only few functionalized graphene derivatives were used as fillers, and insightful studies dealing with the thermal, mechanical, and biological effects of graphene surface functionalization are currently missing in the literature. Herein, reduced graphene oxide (rGO), phosphorylated graphene oxide (PGO), and trimethylsilylated graphene oxide (SiMe3GO) were prepared by the post-modification of GO. The electrostatic interactions of these fillers with chitosan afforded colloidal solutions that provide, after water evaporation, transparent and flexible chitosan-modified graphene films. All reinforced chitosan-graphene films displayed improved mechanical, thermal, and antibacterial (S. aureus, E. coli) properties compared to nat

SUBMITTER: Wronska N 

PROVIDER: S-EPMC7078879 | biostudies-literature | 2020 Feb

REPOSITORIES: biostudies-literature