Genotoxicity analysis of different magnetite-based nanoparticles applied in chemical catalysis processes

M. Gamallo*, S. Silva, M. E. Pintado, G. Feijoo, M. T. Moreira

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Eco-toxicity is an important consideration in understanding the potential environmental impacts of the release of nanomaterials into the environment. In this study, the potential genotoxicity of nanosized magnetic iron-based oxide particles used in the treatment of contaminated effluents by chemical catalysis processes such as Fenton reaction or photocatalysis was investigated using a simple method for the quantitative evaluation of DNA degradation. The selected nanoparticles were magnetite (Fe3O4), silica, citrate, poly (acrylic acid) and polyethylenimine coated magnetite (Fe3O4@SiO2, Fe3O4@Citratete, Fe3O4@PAA, Fe3O4@PEI) and two different magnetite nanocomposites with TiO2 and ZnO. The obtained results highlight the need for caution during the use and disposal of these manufactured nanomaterials, as DNA oxidation effects may be observed at very low concentrations.
Original languageEnglish
Title of host publication13th International Chemical and Biological Engineering Conference (CHEMPOR 2018)
Subtitle of host publicationbook of extended abstracts
EditorsJoão Araújo Pereira Coutinho, Carlos Manuel Silva, Inês Portugal, Ana Barros-Timmons, Anabela Aguiar Valente, Dimitry Victorovitch Evtyugin, Mara Guadalupe Freire, Pedro Jorge Carvalho
PublisherUniversidade de Aveiro
Pages54-55
Number of pages2
ISBN (Print)9789727895663
Publication statusPublished - Oct 2018
Event13th International Chemical and Biological Engineering Conference - Universidade de Aveiro, Aveiro, Portugal
Duration: 2 Oct 20184 Oct 2018

Conference

Conference13th International Chemical and Biological Engineering Conference
Abbreviated titleCHEMPOR 2018
Country/TerritoryPortugal
CityAveiro
Period2/10/184/10/18

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