Journal
ADVANCED MATERIALS
Volume 21, Issue 44, Pages 4467-+Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.200901356
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Funding
- National Creative Research Initiative and World Class University [400-2008-0230]
- KOSEF [2007-02843, 2008-02523, 2008-00107]
- MEST [RHO-2005-000-01003-0]
- Seoul Science Fellowship
- National Research Foundation of Korea [2008-02523] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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Core/shell upconverting nanoparticles (UCNPs) of NaGdF4:Er3+, Yb3+/NaGdF4 (see figure) are shown to serve as a multimodal imaging probe that works for both background-free optical imaging and magnetic resonance imaging (MRI). The nonblinking and nonbleaching properties of UCNPs can contribute to minimization of possible artifacts in long-term imaging experiments. Owing to Gd3+ ions in the host matrix, contrast is enhanced in T-1-weighted MRI.
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