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Graphene-based materials (GBMs) possess remarkable physiochemical properties, making them promising for diverse applications in biomedicine, agriculture, food, and industrial applications. Human and environmental exposure to GBMs is increasing at an unprecedented rate, yet there is still a knowledge gap regarding the safety of GBMs. This review summarizes the physiochemical properties of GBMs and critically examines the possible effects of GBMs, both at the level of molecular mechanism and at the level of the organism. While oxidative stress-mediated cell damage has been proposed as a primary cytotoxicity mechanism for GBMs, various in vivo biodistribution and cytotoxicity mechanisms are also highlighted. This review of the literature provides an overview of the cytotoxicity of GBMs, raising concerns about their widespread application with potential hazardous consequences on the environment and in human health.


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Graphene-based Nanomaterials: Uses, Environmental Fate, and Human Health Hazards

Show Author's information Heidi N du Preez1,2( )Matthew Halma3
Catalysis and Peptide Research Unit, University of KwaZulu-Natal, Westville Campus, Durban 4041, South Africa
College of Health Sciences, University of KwaZulu-Natal, Durban 4001, South Africa
EbMC Squared CIC, Bath BA2 4BL, UK

Abstract

Graphene-based materials (GBMs) possess remarkable physiochemical properties, making them promising for diverse applications in biomedicine, agriculture, food, and industrial applications. Human and environmental exposure to GBMs is increasing at an unprecedented rate, yet there is still a knowledge gap regarding the safety of GBMs. This review summarizes the physiochemical properties of GBMs and critically examines the possible effects of GBMs, both at the level of molecular mechanism and at the level of the organism. While oxidative stress-mediated cell damage has been proposed as a primary cytotoxicity mechanism for GBMs, various in vivo biodistribution and cytotoxicity mechanisms are also highlighted. This review of the literature provides an overview of the cytotoxicity of GBMs, raising concerns about their widespread application with potential hazardous consequences on the environment and in human health.

Keywords: graphene, graphene oxide, nanotechnology, cytotoxicity

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Received: 21 September 2023
Revised: 10 October 2023
Accepted: 30 October 2023
Published: 05 January 2024
Issue date: June 2024

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Acknowledgements

Acknowledgements

We thank Maggie Zhou for sharing her knowledge on the biodegradation of graphene-based materials.

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