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Imaging radiation damage effects

Enhancement is the procedure used to increase the signal-to-noise (S/N) ratio of images by averaging. For all types of specimen, there will be local variations in the thickness of the ice film, in concentration of the buffer salts and other contaminants and impurities such as denatured proteins. Random noise variation also arises from the support film and the effects of radiation damage on the ensemble. If... [Pg.17]

Large dimensional changes can be induced by radiation which distorts the object and changes the image permanently. This is a serious effect in polymer microscopy because it can be accidentally overlooked. Loss of mass is difficult to miss and the transient crystallographic contrast details require the operator to be concerned about radiation damage. But the distortion may be instantaneous under the viewing conditions normally used and the result is a stable and maybe mislead-... [Pg.68]

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See also in sourсe #XX -- [ Pg.77 ]



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Damage effect

Effects of radiation damage on the image

Image effect

Radiation damage

Radiation damage effects

Radiation effects

Radiation imaging

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