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Comparing Light and Electron         MicroscopesAdvantages of Electron       Disadvantages of Light   Microscopes         ...
Light Microscopes
Light microscope images           QuickTime™ and a                                                           QuickTime™ an...
Microscopes ContinuedDisadvantages of          Advantages of Light  Electron Microscope       Microscope• Expensive (1 mil...
Electron Microscope images                                                         QuickTime™ and a                       ...
SEMs                         TEMs                                                         QuickTime™ and a                ...
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comparison of light and electron microscopes

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Transcript of "comparison of light and electron microscopes"

  1. 1. Comparing Light and Electron MicroscopesAdvantages of Electron Disadvantages of Light Microscopes Microscope• Greater magnification up • Magnification only up to to 1,000,000 x 1000-1,500 x• Greater depth of field • Less depth of field (With SEMs, 3-D ) • May involve complex• No complex lighting lighting requirements• Greater resolution -1 nm • Less resolution - 1 micron
  2. 2. Light Microscopes
  3. 3. Light microscope images QuickTime™ and a QuickTime™ and aTIFF (Uncompressed) decompressor TIFF (Uncompressed) decompressor are needed to see this picture. are needed to see this picture. QuickTime™ and a QuickTime™ and a TIFF (Uncompressed) decompressor TIFF (Uncompressed) decompressor are needed to see this picture. are needed to see this picture.
  4. 4. Microscopes ContinuedDisadvantages of Advantages of Light Electron Microscope Microscope• Expensive (1 million) • Cheaper (100)• Expensive to Run • Cheaper to Run• Image Black and • Color image White • Live or Dead• Dead Specimen Specimen• Requires Vacuum • No Vacuum Required• Expert Preparation • Simple Preparation• Special Large Room • Small and Portable• Affected by Magnetic • Unaffected by Fields Magnetic Fields
  5. 5. Electron Microscope images QuickTime™ and a TIFF (Uncompressed) decompressor QuickTime™ and a are needed to see this picture. TIFF (Uncompressed) decompressor are needed to see this picture. QuickTime™ and a TIFF (Uncompressed) decompressor are needed to see this picture. QuickTime™ and a TIFF (Uncompressed) decompressor are needed to see this picture.
  6. 6. SEMs TEMs QuickTime™ and a TIFF (Uncompressed) decompressor are needed to see this picture. QuickTime™ and aTIFF (Uncompressed) decompressor are needed to see this picture. QuickTime™ and a TIFF (Uncompressed) decompressor are needed to see this picture. QuickTime™ and a TIFF (Uncompressed) decompressor are needed to see this picture.
  7. 7. QuickTime™ and aTIFF (Uncompressed) decompressor are needed to see this picture.
  8. 8. QuickTime™ and aTIFF (Uncompressed) decompressor are needed to see this picture.
  9. 9. QuickTime™ and aTIFF (Uncompressed) decompressor are needed to see this picture. QuickTime™ and a TIFF (Uncompressed) decompressor are needed to see this picture. 40 x (SEM) 435x (SEM) QuickTime™ and a TIFF (Uncompressed) decompressor are needed to see this picture.
  10. 10. Eye of a Mosquito QuickTime™ and a TIFF (Uncompressed) decompressor are needed to see this picture.
  11. 11. QuickTime™ and aTIFF (Uncompressed) decompressor are needed to see this picture. QuickTime™ and a TIFF (Uncompressed) decompressor are needed to see this picture. 1760 x
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