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A sensitive and reproducible method for the determination of subnanogram quantities of immunoglobulin E (IgE)

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An immunoradiometric assay for immunoglobulin E (IgE) using high adsorption polystyrene test tubes as the solid phase (the 'Maxisorp' assay) is described. The sensitivity of the method was found to be 50 pg IgE/ml and the within-assay reproducibility was 3-7%. The accuracy was estimated by means of a comparison between the Maxisorp assay and paper radioimmunosorbent test (PRIST) and a correlation coefficient of 0.98 (P less than 0.001) was obtained. We conclude that the Maxisorp assay is a fast and reliable assay for IgE determination in cord blood, cell culture supernatants and other highly diluted IgE preparations.

OriginalsprogEngelsk
TidsskriftJournal of Immunological Methods
Vol/bind92
Udgave nummer1
Sider (fra-til)131-6
Antal sider6
ISSN0022-1759
StatusUdgivet - 21 aug. 1986

ID: 169714843