Types of Microscopes
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6 Terms
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Brightfield
stained bacteria. dead specimens, can’t view viruses. directs all visible light to specimen.
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Darkfield
small live bacteria, can’t view viruses, specimens are bright against dark background.
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DIC (Differential Interference Contrast)
enhances 3D contrast of unstained live cells. can view eukaryotic organelles. can’t view viruses
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Fluorescence
fluorescent compounds are added to dead or live cells which emit light against the dark background. can’t view viruses
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TEM (Transmission electron microscope)
electron beams shine at dead specimen to view their internal structures at nm scale.
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SEM (Scanning Electron microscope)
used to view the 3D surface of a dead specimen.
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