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Spectra Identify Nanotube Species

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Daniel S. Burgess

Chemists at Rice University in Houston have reported that spectrofluorometry is an effective tool in identifying various species of single-walled carbon nanotubes. They suggest that the technique may be used to guide the selective production of desired types of the structures or to help sort bulk samples into families. Using spectrofluorometry, chemists at Rice University have identified species of single-walled carbon nanotubes. Each species displays a unique optical signature. Courtesy of R. Bruce Weisman. Using a spectrofluorometer from Jobin Yvon equipped with a nitrogen-cooled...Read full article

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    Published: January 2003
    Glossary
    single-walled carbon nanotubes
    Referred to as SWCNTs, these cylindrical nanostructures composed of a folded sheet of graphene can be used as near-infrared markers for small animal multiplex imaging. Emitting at different wavelengths, which can be tuned in the visible or NIR region, SWNCTs provide photostable, narrow bandwidth fluorescence in a wide chromatic variety. That enables simultaneous imaging of a large number of spectrally separated markers, through the use of global hyperspectral imaging. In addition to being used...
    Consumerindustrialoptical signatureResearch & TechnologySensors & Detectorssingle-walled carbon nanotubesspectrofluorometryTech Pulse

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