Cerium oxide nanoparticles scavenge nitric oxide radical (˙NO)

descriptionPublicationkeyboard_double_arrow_right Article 01 Jan 2012 United States English Publisher:Royal Society of Chemistry (RSC)Journal:Chemical Communications, volume 48, page 4,896 (issn: 1359-7345, eissn: 1364-548X,

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Authors: Dowding, Janet M.; Dosani, Talib; Kumar, Amit; Seal, Sudipta; Self, William T.;

doi: 10.1039/c2cc30485f

pmid: 22498787

Cerium oxide nanoparticles scavenge nitric oxide radical (˙NO)

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Abstract

In this study we have obtained evidence that cerium oxide nanoparticles (CeO(2) NPs) are able to scavenge nitric oxide radical. Surprisingly, this activity is present in CeO(2) NPs with a lower level of cerium in the 3+ state (CeO(2) NPs with low 3+/4+ ratio and therefore a reduced number of oxygen vacancies), in contrast to the superoxide scavenging properties which are correlated with an increased level of cerium in the 3+ state (CeO(2) NPs with high 3+/4+ ratio and therefore an increased number of oxygen vacancies).

Country

United States

Related Organizations

University of Central Florida
United States

Keywords

Metal Nanoparticles, Cerium, Free Radical Scavengers, sustainability, Nitric Oxide, aerospace, spaceflight, resource management, waste management, Spectrophotometry, Ultraviolet

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