Journal
NANOSCALE
Volume 5, Issue 4, Pages 1369-1384Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c2nr33239f
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Funding
- NSFC [10974200, 11104266, 11204302, 51102234, 51002151]
- 863 program of MOST [2011AA03A407]
- NSF of Fujian Province for Young Scientists [2010J05126, 2011J05145, 2012J05106]
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Trivalent lanthanide (Ln(3+))-doped luminescent inorganic nanoparticles (NPs), characterized by long-lived luminescence, large Stokes and/or anti-Stokes shifts, narrow emission bands and high photochemical stability, are considered to be promising candidates as luminescent bioprobes in biomedicine and biotechnology. In this feature article, we provide a brief overview of the most recent advances in Ln(3+)-doped luminescent inorganic NPs as sensors, which covers from their chemical and physical fundamentals to biodetection, such as controlled synthesis methodology, surface modification chemistry, optical physics, and their promising applications in diverse bioassays, with an emphasis on heterogeneous and homogeneous in vitro biodetection. Finally, some of the most important emerging trends and future efforts toward this active research field are also proposed.
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