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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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Publikationstyp
Artikel: Journalartikel
Dokumenttyp
Wissenschaftlicher Artikel
Sprache
englisch
Veröffentlichungsjahr
1975
HGF-Berichtsjahr
0
ISSN (print) / ISBN
0022-1759
e-ISSN
1872-7905
Zeitschrift
Journal of Immunological Methods
Quellenangaben
Band: 6,
Heft: 4,
Seiten: 317-329
Verlag
Elsevier
Begutachtungsstatus
Peer reviewed
Institut(e)
Institut für Hämatologie
Scopus ID
0016661018
Erfassungsdatum
1975-12-31