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DeCS
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Descriptor English:
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Microscopy, Energy-Filtering Transmission Electron
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Descriptor Spanish:
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Energía Filtrada en la Transmisión por Microscopía Electrónica
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Descriptor Portuguese:
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Microscopia Eletrônica de Transmissão por Filtração de Energia
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Synonyms English:
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EF-TEM
EFTEM
Electron Spectroscopic Imaging
Energy-Filtered TEM
Energy-Filtering Transmission Electron Microscopy
Energy Filtered TEM
Energy Filtered Transmission Electron Microscopy
Energy Filtering Transmission Electron Microscopy
Imaging, Electron Spectroscopic
Microscopy, Energy Filtering Transmission Electron
Spectroscopic Imaging, Electron
TEM, Energy-Filtered
Energy-Filtered Transmission Electron Microscopy
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Tree Number:
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E01.370.350.515.402.580.500
E05.196.867.838.500
E05.595.402.580.500
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Definition English:
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An analytical transmission electron microscopy method using an electron microscope fitted with an energy filtering lens. The method is based on the principle that some of the ELECTRONS passing through the specimen will lose energy when they ionize inner shell electrons of the atoms in the specimen. The amount of energy loss is dependent upon the element. Analysis of the energy loss spectrum (ELECTRON ENERGY-LOSS SPECTROSCOPY) reveals the elemental composition of a specimen. It is used analytically and quantitatively to determine which, how much of, and where specific ELEMENTS are in a sample. For example, it is used for elemental mapping of PHOSPHORUS to trace the strands of NUCLEIC ACIDS in nucleoprotein complexes. |
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History Note English:
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2005
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Allowable Qualifiers English:
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Record Number:
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38798
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Unique Identifier:
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D046032
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Occurrence in VHL:
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Similar:
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DeCS CID-10 LILACS
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