Volume 95 Issue 16 | p. 9 | Concentrates
Issue Date: April 17, 2017

Quantum dots could expand live imaging

Particles strongly emit short-wavelength infrared light, which penetrates tissue deeply
Department: Science & Technology
News Channels: Analytical SCENE, Nano SCENE, Biological SCENE
Keywords: imaging, quantum dots, short-wavelength infrared (SWIR)

When it comes to imaging live tissue, short-wavelength infrared (SWIR) radiation penetrates farther and scatters less than more-traditional near-IR and visible light. But a lack of agents that fluoresce brightly in the SWIR region (about 1,000 to 2,000 nm) has impeded the development of this type of imaging in the body. Moungi G. Bawendi, Oliver T. Bruns, and Thomas S. Bischof of MIT and coworkers have now created quantum dots that could expand SWIR live . . .

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