Antimicrobial Coatings Based on Amine-terminated Graphene Oxide and Nafion with Remarkable Thermal Resistance

Overview

Journal Nanoscale Adv

Publisher Royal Society of Chemistry

Specialty Biotechnology

Date 2024 May 16

PMID 38752132

Authors

Mohammed Suleman Beg

Ella Nicole Gibbons

Spyridon Gavalas

Mark A Holden

Marta Krysmann

Antonios Kelarakis

Affiliations

Soon will be listed here.

Abstract

We present a novel type of layer-by-layer (LbL) waterborne coating based on Nafion and amine-terminated graphene oxide (GO-NH) that inhibits the growth of and by more than 99% and this performance is not compromised upon extensive thermal annealing at 200 °C. Quartz crystal microbalance (QCM) sensorgrams allow the real time monitoring of the build-up of the LbL assemblies, a process that relies on the strong electrostatic interactions between Nafion (pH = 2.7, = -54.8 mV) and GO-NH (pH = 2, = 26.7 mV). Atomic force microscopy (AFM), contact angle and zeta potential measurements were used to characterise the multilayer assemblies. We demonstrate here that Nafion/GO-NH advanced coatings can offer drug-free and long-lasting solutions to microbial colonization and can withstand dry heat sterilization, without any decline in their performance.

Citing Articles

Generation of Nanoparticles on and within Polymeric Materials.

Kelarakis A Polymers (Basel). 2024; 16(11).

PMID: 38891556 PMC: 11174848. DOI: 10.3390/polym16111611.

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