alum adjuvant

Definition / meaning of alum adjuvant

An aluminum compound with immune adjuvant activity. This agent adsorbs and preciptates protein antigens in solution; the resulting precipitate improves vaccine immunogenicity by faclitating the slow release of antigen from the vaccine depot formed at the site of inoculation.

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Source(s):

The Web site of the National Cancer Institute (http://www.cancer.gov/)

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