Fabrication of silica-coated magnetic nanoparticles with highly photoluminescent lanthanide probes

Literature Information

Publication Date 2007-02-06
DOI 10.1039/B617608A
Impact Factor 6.222
Authors

Jungkweon Choi, Jin Chul Kim, Yong Bok Lee, In Seon Kim, Yong Ki Park, Nam Hwi Hur


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Abstract

Bi-functional nanoparticles (NPs) that consist of silica-coated magnetic cores and luminescent lanthanide (Ln) ions anchored on the silica surface via organic linker molecules are reported. Compared to individual Ln ions, the hybrid NPs show a drastically enhanced photoluminescence due to the efficient ligand-to-metal energy transfer in the Ln-loaded NPs: the new bi-functional NPs could be used in a variety of biological applications involving magnetic separation and optical detection.

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