Oxidase-Like Activity of Polymer-Coated Cerium Oxide Nanoparticles

被引:1159
作者
Asati, Atul [1 ,2 ]
Santra, Santimukul [1 ,2 ]
Kaittanis, Charalambos [1 ,2 ]
Nath, Sudip [1 ,2 ]
Perez, J. Manuel [1 ,2 ]
机构
[1] Univ Cent Florida, Nanosci Technol Ctr, Dept Chem, Orlando, FL 32826 USA
[2] Univ Cent Florida, Burnett Coll Biomed Sci, Orlando, FL 32826 USA
基金
美国国家卫生研究院;
关键词
cerium; immunoassays; nanotechnology; oxidases; oxidation; CLICK CHEMISTRY; CATALYSIS;
D O I
10.1002/anie.200805279
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Inorganic enzyme? Ceria nanoparticles exhibit unique oxidase-like activity at acidic pH values. These redox catalysts can be used in immunoassays (ELISA) when modified with targeting ligands (see picture; light blue and yellow structures are nanoparticles with attached ligands). This modification allows both for binding and for detection by the catalytic oxidation of sensitive colorimetric dyes (e.g. TMB). © 2009 Wiley-VCH Verlag GmbH & Co. KGaA.
引用
收藏
页码:2308 / 2312
页数:5
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