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Deprecated: Implicit conversion from float 245.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Polymers+(Basel) 2020 ; 12 (7): ä Nephropedia Template TP
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Engineering Graphene Oxide/Water Interface from First Principles to Experiments for Electrostatic Protective Composites #MMPMID32708367
Valentini L; Bittolo Bon S; Giorgi G
Polymers (Basel) 2020[Jul]; 12 (7): ä PMID32708367show ga
From the global spread of COVID-19 we learned that SARS-CoV-2 virus can be transmitted via respiratory liquid droplets. In this study, we performed first-principles calculations suggesting that water molecules once in contact with the graphene oxide (GO) layer interact with its functional groups, therefore, developing an electric field induced by the heterostructure formation. Experiments on GO polymer composite film supports the theoretical findings, showing that the interaction with water aerosol generates a voltage output signal of up to -2 V. We then developed an electrostatic composite fiber by the coagulation method mixing GO with poly(methyl methacrylate) (PMMA). These findings could be used to design protective fabrics with antiviral activity against negatively charged spike proteins of airborne viruses.