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Magnetism enhances immunology.

The immunologic reaction of a given antibody with its antigen can be measured by collecting the products of the interaction on microscope slides prepared to adsorb them. The adsorption can be enhanced by using nickel-plated slides that have been submitted to a magnetic field, reports L.T. Ho of the Institute of Physics of the Academia Sinica in Taipei, Taiwan. The imposed field lines up magnetic domains in the nickel, and this somehow enhances adsoprtion. Nickel-plated slides can thus be used, Ho suggests, to improve the detection of immunologic reactions in extremely dilute solutions of antigen.
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Title Annotation:improvement in detection of immunologic reactions
Author:Thomsen, Dietrick E.
Publication:Science News
Date:Sep 14, 1985
Words:96
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