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Quantitative immunoautoradiography at the cellular level. I. Design of a microphotometric method to quantitate membrane antigens on single cells using 125I-labeled antibodies.
J. Immunol. Methods 6, 317-329 (1975)
Iodine-125 has become a commonly-used radioisotope, especially for immunoautoradiographic investigations. Microphotometry of grain density, a well-established method in autoradiography with tritium and carbon-14, was applied to nucleated cells with 125I-labeled membranes. Geometric and absorption factors of radiation were investigated in order to find suitable conditions for quantitative evaluation. A preparatory device is given and a set-up of appropriate measuring conditions is presented. With these prerequisites the reflected-light bright-field photometry of immunoautoradiographs permits to determine automatically the content of surface antigens of single cells. Measurement examples were demonstrated.
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Publication type
Article: Journal article
Document type
Scientific Article
Language
english
Publication Year
1975
HGF-reported in Year
0
ISSN (print) / ISBN
0022-1759
e-ISSN
1872-7905
Journal
Journal of Immunological Methods
Quellenangaben
Volume: 6,
Issue: 4,
Pages: 317-329
Publisher
Elsevier
Reviewing status
Peer reviewed
Institute(s)
Institut für Hämatologie
Scopus ID
0016661018
Erfassungsdatum
1975-12-31