期刊
CHEMICAL COMMUNICATIONS
卷 48, 期 40, 页码 4896-4898出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c2cc30485f
关键词
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资金
- NIH [1R01AG031529-01]
- NSF [0708172 CBET, 0804733 CBET]
In this study we have obtained evidence that cerium oxide nanoparticles (CeO2 NPs) are able to scavenge nitric oxide radical. Surprisingly, this activity is present in CeO2 NPs with a lower level of cerium in the 3+ state (CeO2 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 (CeO2 NPs with high 3+/4+ ratio and therefore an increased number of oxygen vacancies).
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