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Hamamatsu Corp. - Earth Innovations LB 2/24

Nanotube-based Sensors Use Light to Detect Contaminants in Living Cells

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CHAMPAIGN, Ill., Feb. 6, 2006 -- Single-walled carbon nanotubes wrapped with DNA can be placed inside living cells and detect trace amounts of harmful contaminants using near-infrared (NIR) light, report researchers at the University of Illinois. Their discovery could lead to the creation of new types of optical sensors and biomarkers that take advantage of the unique properties of nanoparticles in living systems. “This is the first nanotube-based sensor that can detect analytes at the subcellular level,” said Michael Strano, a professor of chemical and biomolecular engineering at Illinois...Read full article

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    Published: February 2006
    Glossary
    near-infrared
    The shortest wavelengths of the infrared region, nominally 0.75 to 3 µm.
    optical
    Pertaining to optics and the phenomena of light.
    biomoleculecarbon nanotubescellsdetectionDNAHellernear-infraredNews & FeaturesNIRopticalsensingSensors & DetectorsStrano

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