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Photolab

Diamonds in the sky

Unesp/UFSCarTin oxide nanoparticles (scattered fragments) congregate in a cohesive circle, taking on the appearance of a volcano. The Functional Materials Development Center directed by chemist Elson Longo has developed a sensor for gaseous pollutants based on this compound. “Tin oxide is much more sensitive and selective than the available alternatives,” he says. The photograph, entitled Água da morte, is part of the Nanoart series, currently on display at the Museum of Tomorrow in Rio de Janeiro.

Image captured on a high-resolution scanning electron microscope by Rorivaldo Camargo, colored by Enio Longo and submitted by Elson Longo, professor on the Araraquara campus of Unesp

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