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Updated: Jun 16, 2026

Scalable Syntheses of Graphene Oxide and Reduced Graphene Oxide using Cascade Design Oxidation and Highly Basic Reduction Reactions
Published on: July 3, 2025
SARS-CoV-2 suppression depending on the pH of graphene oxide nanosheets
Md Saidul Islam1,2, Masahiro Fukuda2, Md Jakir Hossain3,4
1Department of Chemistry, Faculty of Advanced Science and Technology, Kumamoto University 2-39-1 Kurokami Kumamoto 860-8555 Japan hayami@kumamoto-u.ac.jp.
Abstract:
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) inactivation of pH-dependent graphene oxide (GO) nanosheets is presented. The observed virus inactivation using an authentic virus (Delta variant) and different GO dispersions at pH 3, 7, and 11 suggests that the higher pH of the GO dispersion yields a better performance compared to that of GO at neutral or lower pH. The current findings can be ascribed to the pH-driven functional group change and the overall charge of GO, favorable for the attachment between GO nanosheets and virus particles.

