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Nano Lett. 2010 Jul 14;10(7):2296-302. doi: 10.1021/nl903518f.

Uptake and distribution of ultrasmall anatase TiO2 Alizarin red S nanoconjugates in Arabidopsis thaliana.

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  • 1Department of Plant and Soil Sciences, University of Kentucky, Lexington, Kentucky 40546, USA.

Abstract

While few publications have documented the uptake of nanoparticles in plants, this is the first study describing uptake and distribution of the ultrasmall anatase TiO(2) in the plant model system Arabidopsis. We modified the nanoparticle surface with Alizarin red S and sucrose and demonstrated that nanoconjugates traversed cell walls, entered into plant cells, and accumulated in specific subcellular locations. Optical and X-ray fluorescence microscopy coregistered the nanoconjugates in cell vacuoles and nuclei.

PMID:
20218662
[PubMed - indexed for MEDLINE]
PMCID:
PMC2912449
Free PMC Article

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