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Cutting Edge 'Nanoknife' Made

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GAITHERSBURG, Md.. & BOULDER, Colo., Nov. 27, 2006 -- Researchers have designed a carbon nanotube knife that, in theory, would work like a cheese slicer, precisely cutting thin slices of cells. The scientists said the "nanoknife" could one day become a tabletop biology tool. The research team from the National Institute of Standards and Technology (NIST) and the University of Colorado at Boulder (CU) presented their results earlier this month in the paper "Fabrication and Mechanical Characterization of Carbon Nanotube Based Nanoknives" at the 2006 International Mechanical Engineering Congress and Exposition in Chicago. Scanning electron...Read full article

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    Published: November 2006
    Glossary
    cell
    1. A single unit in a device for changing radiant energy to electrical energy or for controlling current flow in a circuit. 2. A single unit in a device whose resistance varies with radiant energy. 3. A single unit of a battery, primary or secondary, for converting chemical energy into electrical energy. 4. A simple unit of storage in a computer. 5. A limited region of space. 6. Part of a lens barrel holding one or more lenses.
    microscope
    An instrument consisting essentially of a tube 160 mm long, with an objective lens at the distant end and an eyepiece at the near end. The objective forms a real aerial image of the object in the focal plane of the eyepiece where it is observed by the eye. The overall magnifying power is equal to the linear magnification of the objective multiplied by the magnifying power of the eyepiece. The eyepiece can be replaced by a film to photograph the primary image, or a positive or negative relay...
    nano
    An SI prefix meaning one billionth (10-9). Nano can also be used to indicate the study of atoms, molecules and other structures and particles on the nanometer scale. Nano-optics (also referred to as nanophotonics), for example, is the study of how light and light-matter interactions behave on the nanometer scale. See nanophotonics.
    photonics
    The technology of generating and harnessing light and other forms of radiant energy whose quantum unit is the photon. The science includes light emission, transmission, deflection, amplification and detection by optical components and instruments, lasers and other light sources, fiber optics, electro-optical instrumentation, related hardware and electronics, and sophisticated systems. The range of applications of photonics extends from energy generation to detection to communications and...
    scanning electron micrograph
    The picture formed by the scanning beam of electrons in a scanning electron microscope.
    Basic ScienceBiophotonicscarbon nanotubeCellcheeseCUindustrialknifemicroscopeMicroscopynanonano-oscillatornanobearingsnanoknifenanotweezersNews & FeaturesNISTphotonicsscanning electronscanning electron micrograph

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