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immunoelectron microscopy

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immunoelectron microscopy
[im′yənō′ilek′tron]
electron microscopy of specimens labeled with antibodies that have been conjugated with gold. The gold makes the antibody labels electron-dense.

microscopy
examination with a microscope.

confocal microscopy
a technique for obtaining high resolution images and 3-D reconstructions of biological specimens; a laser light beam is expanded to make optimal use of the optics in the objective lens and is turned into a scanning beam via an x-y deflection mechanism and is focused to a small spot by the objective lens onto a fluorescent specimen. The mixture of reflected light and emitted fluorescent light is captured by the same objective and after conversion into a static beam by the x-y scanner device is focused onto a photodetector (photomultiplier) via a dichroic mirror (beam splitter) to create the final image. Called also laser scanning microscopy; confocal scanning laser microscopy.
immunoelectron microscopy
the mixing of antibody with an antigen such as a virus on a specimen grid so as to increase the probability of visualizing a virus and to identify (type) the kind of virus present in the specimen, or antibody may be conjugated with gold and used to visualize and determine the location of specific antigenic determinants on a specimen.


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? Mentioned in ? References in periodicals archive
 
Rapid immunologic methods that improve sensitivity when searching for unknown agents include solid-phase immunoelectron microscopy (SPIEM) (38) and serum in agar (SIA) (39), both of which may use either pooled human immunoglobulins (HuIgG) or specific antibodies.
 
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