Scanning Electron Microscopy (SEM)

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7 Terms

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Process (3)

- Specimen fixed
- Dried with critical point drying
- Coated with thin metal

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What is it?

Produces image by detection of backscattered e- from metal cast

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How is it different from TEM

TEMs transmits electrons through sample

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What does it examin?

Surface of objects

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Why is critical point drying necessary?

Ensures cells not exposed to surface tension

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What lens does it use?

Condenser lens

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What is the magnification?

15 - 15,000