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Biofunctionalized Prussian Blue Nanoparticles for Multimodal Molecular Imaging Applications
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Magnetic Fe3O4 nanoparticles coupled with a fluorescent Eu complex for dual imaging applications
Pinxian Xi1, Kai Cheng, Xiaolian Sun
1Department of Chemistry, Brown University, Providence, Rhode Island 02912, USA.
Abstract:
Magnetic 8 nm Fe(3)O(4) nanoparticles (NPs) were synthesized and modified with dopamine (DPA) and polyethylene glycol (PEG) diacid. The water soluble Fe(3)O(4)-DPA-PEG NPs were then conjugated with the fluorescent Eu(iii) complex of tris(dibenzoylmethane)-5-amino-1,10-phenanthroline (BMAP), giving an Fe(3)O(4)-DPA-PEG-BMAP-Eu NP conjugate. The conjugate was both colloidally and chemically stable in phosphate buffered solutions and could be used as a probe for magnetic resonance and fluorescent imaging.
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