A MODIFICATION of the plate gel diffusion test 1 is proposed, carried out on microscope slides. The use of a thin layer of media on the slide, together with a reduction in the distance between antigen ...
The Journal of Infectious Diseases, Vol. 124, No. 5 (Nov., 1971), pp. 512-516 (5 pages) The usefulness of the Ouchterlony double-diffusion test was enhanced by modification of the technique to include ...
THE agar-gel precipitin technique has been used to differentiate members of the tick-borne encephalitis virus complex of group B arboviruses 1. This report describes the application of this technique ...
The use of infected allantoic fluid (AF) as precipitating infectious bronchitis (IB) antigen was investigated. The results show that unconcentrated AF harvested at the right time can be a very ...
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