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fluorescent microscope
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fluorescent microscope

instrument

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use in microbiology

work of Hell

  • Hell, Stefan
    In Stefan Hell

    …through a modified form of fluorescence microscopy, in which molecules that fluoresce when excited by light are attached to very small structures and the resulting emission is observed. In Hell’s technique—called stimulated emission depletion (STED) microscopy—one laser beam excites the fluorescent molecules, but another turns off the fluorescence except from…

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