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Web Date: May 10, 2007

Nanotube Needles Deliver Quantum Dots

Nanoscale injection system penetrates cell membrane to place optical probes into cytosol
Department: Science & Technology
News Channels: Nano SCENE

Multiwalled carbon nanotubes can be used as nanoinjectors to deliver quantum dots inside cells, a technique that could enhance studies of cellular processes (Proc. Natl. Acad. Sci. USA, DOI: 10.1073/pnas.0700567104).

Chemistry professor Carolyn R. Bertozzi, chemistry graduate student Xing Chen, physics professor Alex Zettl, and physics postdoc Andras Kis at the University of California, Berkeley, and Lawrence Berkeley National Laboratory created the devices by first connecting . . .

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