Nanotechnology and electron microscopy7

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Nanotechnology and electron microscopy7

  1. 1. Nanotechnology and Electron Microscopy During this workshop we learned about several types of electron microscopes,specifically the Scanning Electron Microscope (SEM). SEM’s use electron beams to examine asmall superficial area of the sample. Basically the sample is being bombarded by electronbeams and the electrons that bounce back are the ones that project the image. Electronmicroscopes are beneficial because they are not limited to a 1000x magnification. Sinceelectron microscopes have no wave length we can see much smaller samples, opening anentirely new range of study. For this workshop we also talked about the works being doneregarding nanotechnology. Nanotechnology is a science that allows us the ability to fiscallymanipulate systems that are one hundred nanometers or smaller. Nanotechnology provides awide range of study for infinitely small particles. It allows the study of quantum confinement,chemical reactivity, and alterations in levels of sensitivity. All of these applications can be usedfor biomedical research. For example using nanoparticles to destroy and eliminate cancer cells.With nanotechnology they are developing research related to fibers. They are trying to growand study fibers that can eventually be used in human beings.

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