Single nanocrystal sensitivity

See on Scoop.itTracking the Future

Researchers have made a breakthrough discovery in identifying the world’s most sensitive nanoparticle and measuring it from a distance using light. These super-bright, photostable and background-free nanocrystals enable a new approach to highly advanced sensing technologies using optical fibres.
This discovery, by a team of researchers from Macquarie University, the University of Adelaide, and Peking University, opens the way for rapid localisation and measurement of cells within a living environment at the nanoscale, such as the changes to a single living cell in the human body in response to chemical signals.
Published in Nature Nanotechnology, the research outlines a new approach to advanced sensing that has been facilitated by bringing together a specific form of nanocrystal, or “SuperDotTM” with a special kind of optical fibre that enables light to interact with tiny (nanoscale) volumes of liquid.

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