Fabrication of silica-coated magnetic nanoparticles with highly photoluminescent lanthanide probes |
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Authors: | Choi Jungkweon Kim Jin Chul Lee Yong Bok Kim In Seon Park Yong Ki Hur Nam Hwi |
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Affiliation: | Div. of Metrology for Quality Life, Korea Research Institute of Standards and Science, Yuseong P. O. Box 102, Daejeon, 305-600, Korea. |
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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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