An antibody (or antigen) used to remove specific antigen (or antibody) from solution or suspension; commonly used with reference to antibody bound to a particulate substance such as a dextran polymer used to remove soluble antigen ( e.g., insulin) from solution.
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im·mu·no·sor·bent -'sȯr-bənt, -'zȯr- n an immunosorbent preparation
immunosorbent adj relating to or using a substrate consisting of a specific antibody or antigen chemically combined with an insoluble substance (as cellulose) to selectively remove the corresponding specific antigen or antibody from solution
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im·mu·no·sor·bent (im″u-no-sorґbənt) immunoadsorbent.Medical dictionary. 2011.