# Expression of concern: Promising antimicrobial and antibiofilm activities of reduced graphene oxide-metal oxide (RGO-NiO, RGO-AgO, and RGO-ZnO) nanocomposites

## TL;DR

This paper expresses concern about the antimicrobial and antibiofilm claims of certain graphene oxide-metal oxide nanocomposites.

## Contribution

The paper raises concerns about the validity of prior findings on RGO-metal oxide nanocomposites.

## Key findings

- The paper questions the reliability of the reported antimicrobial and antibiofilm activities.
- It highlights potential issues with the experimental data or interpretation in the original study.

## Abstract

Expression of concern for ‘Promising antimicrobial and antibiofilm activities of reduced graphene oxide-metal oxide (RGO-NiO, RGO-AgO, and RGO-ZnO) nanocomposites’ by Sherif Elbasuney et al., RSC Adv., 2021, 11, 25961–25975, https://doi.org/10.1039/D1RA04542C.