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Seeing the benefits of ceria

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Cerium oxide nanoparticles can scavenge reactive molecules in the eye and prevent degenerative retinal disorders in rats. The results suggest that nanoceria particles could be used to treat a variety of problems that cause blindness.

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Figure 1
Figure 2: a, By switching between the +3 and +4 valence states (top), nanoceria particles can reversibly scavenge free electrons from the reactive oxygen species (OH• and O2•−), to produce less harmful molecules (OH− and O2).

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  1. Departments of Bioengineering and Ophthalmology, University of California, San Diego, La Jolla, 92037-0946, California, USA

    Gabriel A. Silva

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  1. Gabriel A. Silva
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Silva, G. Seeing the benefits of ceria. Nature Nanotech 1, 92–94 (2006). https://doi.org/10.1038/nnano.2006.111

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