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Synthesis and Bio-Functionalization of Multifunctional Magnetic Fe(3)O(4)@Y(2)O(3):Eu Nanocomposites

Synthesis and Bio-Functionalization of Multifunctional Magnetic Fe(3)O(4)@Y(2)O(3):Eu Nanocomposites

Zhi Ya Ma, Dosi Dosev, Mikaela Nichkova, Shirley J Gee, Bruce D Hammock, Ian M Kennedy

J Mater Chem. 2009 Jan 1;19(27):4695-4700.

PMID: 20357905

Abstract:

A facile homogenous precipitation method has been developed for the synthesis of multifunctional, magnetic, luminescent nanocomposites with Fe(3)O(4) nanoparticles as the core and europium-doped yttrium oxide (Y(2)O(3):Eu) as the shell. The nanocomposites showed both super-paramagnetic behavior and unique europium fluorescence properties with high emission intensity. Their surface has been modified with a bifunctional ligand, p-aminobenzoic acid (PABA), and further biofunctionalized with biotin; the nanocomposites showed specific targeting for avidin-coupled polystyrene beads.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP68585820	Yttrium oxide, europium doped		68585-82-0	Price

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