A type of column chromatography which is used to separate antigens from a mixture. The technique makes use of an immunoadsorbent -- a solid, stationary matrix within the column to which antibodies are attached. As the mixture flows through the column, the antibodies bind to the antigens; the antigens thus stay within the column while the rest of the mixture continues through to the end. The antigens are then flushed out of the column and collected separately.

From the BioTech Dictionary at http://biotech.icmb.utexas.edu/. For further information see the BioTech homenode.

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