Uptake and Distribution of Ultrasmall Anatase TiO2 Alizarin Red S Nanoconjugates in Arabidopsis thaliana

被引：300

作者：

Kurepa, Jasmina ^{[1
]}

Paunesku, Tatjana ^{[2
]}

Vogt, Stefan ^{[3
]}

Arora, Hans ^{[2
]}

Rabatic, Bryan M. ^{[2
]}

Lu, Jinju ^{[2
]}

Wanzer, M. Beau ^{[2
]}

Woloschak, Gayle E. ^{[2
]}

Smalle, Jan A. ^{[1
]}

机构：

[1] Univ Kentucky, Program Mol Biol, Dept Plant & Soil Sci, Lexington, KY 40546 USA

[2] Northwestern Univ, Dept Radiat Oncol, Feinberg Sch Med, Chicago, IL 60611 USA

[3] Argonne Natl Lab, Adv Photon Source, Xray Sci Div, Argonne, IL 60439 USA

来源：

NANO LETTERS | 2010年 / 10卷 / 07期

关键词：

Anatase TiO2 nanoparticles; TiO2; nanoconjugates; Arabidopsis thahana; X-ray fluorescence microscopy; NANOPARTICLES; ROOT; PHYTOTOXICITY; MICROSCOPY; NANO-TIO2; TOXICITY; PLANTS; CELLS; DNA; DIFFERENTIATION;

D O I：

10.1021/nl903518f

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

While few publications have documented the uptake of nanoparticles in plants, this is the first study describing uptake and distribution of the ultrasmall anatase TiO2 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

引用

页码：2296 / 2302

页数：7

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