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Oxidase-like activity of polymer-coated cerium oxide nanoparticles.


ABSTRACT: 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).

SUBMITTER: Asati A 

PROVIDER: S-EPMC2923475 | biostudies-literature | 2009

REPOSITORIES: biostudies-literature

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Oxidase-like activity of polymer-coated cerium oxide nanoparticles.

Asati Atul A   Santra Santimukul S   Kaittanis Charalambos C   Nath Sudip S   Perez J Manuel JM  

Angewandte Chemie (International ed. in English) 20090101 13


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). ...[more]

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