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Microscopes and Electron Micro

Title: Microscopes and Electron Micro
Category: /Science & Technology
Details: Words: 626 | Pages: 2 (approximately 235 words/page)
Microscopes and Electron Micro
Microscopes and Electron Microscopy There are many different types of microscopes and each of them works in different ways and are used to magnify different things. Some examples of these are light microscopes, transmission electron microscopes and scanning electron microscopes. Light microscopes, also known as a compound microscope, are the most simple. The condenser focuses light rays, which normally come from a lamp pointed at the mirror. It focuses light onto the object to be …showed first 75 words of 626 total…
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…showed last 75 words of 626 total…procedure as this could change the shape of the structure and give us unrealistic results. One way of combating this difficulty is instantly freezing the specimen in liquid nitrogen. The shape of the specimen is not changed as it is dehydrated. The tissue is broken up and a mask is formed of the tissue, it is coated with a heavy metal to strengthen it. This is called freeze etching and the results are very good.

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