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Perkins Precision Developments - Plate Polarizers LB 4/24

JEOL USA

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Peabody, Mass.-based JEOL USA has announced that the University of Texas at El Paso has selected its 300-keV JEM-3200FS cryoelectron microscope with an omega energy filter for its emerging structural biology program. The transmission electron microscope, which is designed for high resolution and increased contrast, will be housed in a campus building that should be completed in 2011. The university will use the microscope for single-particle reconstruction and tomography.Read full article

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    Published: February 2010
    Glossary
    contrast
    The apparent difference in brightness between light and dark areas of an image. For a light target against a dark background, contrast is computed as follows: where Lt is the luminance of the target and Lb is the luminance of the background.
    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...
    tomography
    Technique that defocuses activity from surrounding planes by means of the relative motions at the point of interest.
    transmission electron microscope
    A type of microscope that uses magnetic lenses to transmit a beam of electrons through an object; the electrons are then focused on a fluorescent screen to form an enlarged image.
    biologyBiophotonicsBusinesscampusContrastcryoelectron microscopeFiltersJEM-3200FSJEOL USAmicroscopeMicroscopyomega energy filterOpticsRapidScansingle-particle reconstructiontomographytransmission electron microscopeUniversityUniversity of Texas at El Paso

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