Photochemical Mineralization of Europium, Titanium, and Iron Oxyhydroxide Nanoparticles in the Ferritin Protein Cage

The Fe storage protein ferritin was used as a size-constrained reaction vessel for the photoreduction and reoxidation of complexed Eu, Fe, and Ti precursors for the formation of oxyhydroxide nanoparticles. The resultant materials were characterized by dynamic light scattering, gel electrophoresis, U...

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Veröffentlicht in:	Inorganic chemistry 2008-04, Vol.47 (7), p.2237-2239
Hauptverfasser:	Klem, Michael T, Mosolf, Jesse, Young, Mark, Douglas, Trevor
Format:	Artikel
Sprache:	eng
Schlagworte:	Chromatography, Gel Dynamical systems Dynamics Europium - chemistry Ferric Compounds - chemistry Ferritin Iron Iron-Binding Proteins - chemistry Microscopy, Electron, Transmission Minerals - chemistry Nanoparticles Nanoparticles - chemistry Nanoparticles - ultrastructure Photochemistry Proteins Titanium Titanium - chemistry
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Zusammenfassung:	The Fe storage protein ferritin was used as a size-constrained reaction vessel for the photoreduction and reoxidation of complexed Eu, Fe, and Ti precursors for the formation of oxyhydroxide nanoparticles. The resultant materials were characterized by dynamic light scattering, gel electrophoresis, UV–vis spectroscopy, and transmission electron microscopy. The photoreduction and reoxidation process is inspired by biological sequestration mechanisms observed in some marine siderophore systems.
ISSN:	0020-1669 1520-510X
DOI:	10.1021/ic701740q