Jessica Phillips
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Information on Electron Microscopes - Advantages, disadvantages etc.

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Jessica Phillips
Created by Jessica Phillips over 10 years ago
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Electron MicroscopesAdvantagesHigher resolutionHigher magnificationFine detail can beobservedSEM can provide 3DimageDisadvantagesSpecimen is deadNatural colours can not beseemSpecimen needs to bedehydratedExpensiveNot portableTechnical expertiserequiredThere is likely to beartifactsHeat isgeneratedVacuum pump requiredSpecimen and electronsneed to be containedThere are two types of electronmicroscopesScanning ElectonMicroscopesTransmission Electron MicroscopesImages are2DImages are3DInternal structures can be seenDepth offieldInternal structures can't beseenCannot achieve same resolution asTEMResolution = 0.5nmResolution = 0.1nmMagnification = x100,000Magnification = x500,000Double click this nodeto edit the textClick and drag this buttonto create a new node