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Hamamatsu Corp. - Earth Innovations LB 2/24

AFM Images Breathing Bacteria

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COLUMBUS, Ohio, March 17, 2009 – A unique combination of microscopes has revealed that common soil bacteria can “inhale” toxic metals and “exhale” them in a nontoxic form. Using an atomic force microscope (AFM) with an optical microscope, researchers at Ohio State University glimpsed how the Shewanella oneidensis bacterium, for example, breaks down metal to chemically extract oxygen. According to the researchers, this could one day be used to clean up toxic chemicals left over from nuclear weapons production decades ago.Shewanella oneidensis strain MR-1 growing on the surface of the iron oxide mineral hematite. (Image:...Read full article

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    Published: March 2009
    Glossary
    atomic force microscope
    An atomic force microscope (AFM) is a high-resolution imaging and measurement instrument used in nanotechnology, materials science, and biology. It is a type of scanning probe microscope that operates by scanning a sharp tip (usually a few nanometers in diameter) over the surface of a sample at a very close distance. The tip interacts with the sample's surface forces, providing detailed information about the sample's topography and properties at the nanoscale. Key features and principles of...
    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...
    atomic force microscopebacteriaBasic ScienceBiophotonicsbreathing bacteriaBrian Lowerchemically extract oxygenchemicalschromiumMicroscopyNews & FeaturesOhio State UniversityOmcAoptical microscopephotonicsSchool of Environment and Natural Resources at Ohio StateShewanella oneidensistechnetiumtoxic chemicalsuranium

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