Graphene-Based Nanomaterials Toxicity in Fish

Area of Science:

• Nanomaterials Science
• Environmental Toxicology
• Aquatic Ecotoxicology

Background:

• Graphene-based nanoparticles (GPNs) possess unique physicochemical properties, making them valuable in biomedical applications like drug delivery, cancer therapy, and nerve regeneration.
• Extensive use of GPNs raises concerns about their environmental release and potential ecotoxicological impacts.
• The toxic effects of GPNs on living organisms, particularly in aquatic environments, are not yet fully understood.

Purpose of the Study:

• To review the potential toxicity of graphene-based nanoparticles (GPNs) in aquatic ecosystems.
• To focus on zebrafish (Danio rerio) as a model organism for assessing GPN toxicity.
• To highlight the risks GPNs pose to aquatic habitats and food chains.

Main Methods:

• Literature review of studies on graphene-based nanoparticles.
• Analysis of GPN interactions with biological systems at the cellular level.
• Examination of GPNs' environmental persistence and cellular barrier crossing capabilities.

Main Results:

• GPNs can cross cellular barriers and interact with cellular components, including DNA, potentially affecting the genome and epigenome.
• GPNs accumulate in aquatic environments, posing risks to aquatic life and food chains.
• Zebrafish are identified as a key model organism for studying GPN toxicity in the aquatic ecosystem.

Conclusions:

• Further research is crucial to understand the full toxicological profile of GPNs.
• GPNs' environmental persistence and cellular interactions necessitate careful risk assessment.
• Protecting aquatic ecosystems from GPN contamination is vital for environmental and human health.