Electron Microscopes

BY K RY S TA L KW I AT KO W S K I

ELECTRON MICROSCOPES

History Of The Scope• Ernst Ruska Created first version in 1931

• German engineer • Won the noble Prize

The Facts• Uses electrons to create an image • Preferred over Light Microscopes• The diameter of an atom

It’s Uses

• Micro organisms• Cells • Characteristics of various surfaces• Large molecules• Medical biopsy structures

Types

• Two types • Scanning– Better of the two– 3D

Types cont.

• Transmission Microscope– 2D image – Golgi apparatus

Down Falls • Cost• Trained personnel• Take up a lot of space• Chemicals• Electric bill

Works Cited

• http:/www.jic.ac.uk/microscopy/introem.html• http://www.sciencedaily.com