Can you identify the operational bases and uses for the
transmission and scanning electron microscopy?
Answer / Preeti Vishnoi
Transmission Electron Microscopy (TEM) uses a beam of electrons to transmit through a thin sample, producing an image based on the electron density within the sample. TEM is used for high-resolution imaging and analysis of ultrathin sections of biological materials such as cells and viruses. Scanning Electron Microscopy (SEM) uses a beam of electrons to scan the surface of a sample, producing an image based on the electron-emitting properties of the sample's surface. SEM is used for imaging larger specimens at high resolution, including microorganisms and their interactions with other materials.
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