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

http://www.google.com/url?sa=i&rct=j&q=&esrc=s&frm=1&source=images&cd=&cad=rja&uact=8&docid=R9zK7QbtLICmXM&tbnid=bbU5XJIiNzzw9M:&ved=0CAYQjRw&url=http%3A%2F%2Fwww.amri.uno.edu%2FWZhou%2520folder%2FWZhou%2FElectronBeamNanolithography.htm&ei=ZwAnU7-5PPOFyQGb6oGYAg&bvm=bv.62922401,d.aWc&psig=AFQjCNGmluVe8wO1p2yDXiPjopgqUd9sOw&ust=1395151310011444

Types cont.

• Transmission Microscope– 2D image – Golgi apparatus

https://www.google.com/url?sa=i&rct=j&q=&esrc=s&frm=1&source=images&cd=&cad=rja&uact=8&docid=3_KSXhO0foAhmM&tbnid=t_zUmdePBE2xpM:&ved=0CAYQjRw&url=https%3A%2F%2Fscience.nichd.nih.gov%2Fconfluence%2Fdisplay%2Fbioviz%2FRapid%2BPrototyping%2Bof%2BTransmission%2BElectron%2BTomography&ei=HgEnU7PRL66FyQGfg4HQDA&bvm=bv.62922401,d.aWc&psig=AFQjCNHnxN5v6pOq904jko5hgyPk1V0-IA&ust=1395151436445096

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

http://www.sciencedaily.com/

Electron Microscopes

Documents

two3d types cont

scopeernst ruska

noble prize

german engineer

light microscopesthe

factsuses electrons