Definition of "immunoblot" [immunoblot]

• A laboratory procedure, such as Western blot analysis, in which proteins that have been separated by electrophoresis are transferred onto nitrocellulose sheets and are identified by their reaction with labeled antibodies. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "GM immunoblot showed an IgE-binding 14 kDa band that was totally inhibited after serum pre-incubation with GM."
• "Screen with FAST-ELISA and confirm with immunoblot."
• "A recombinant immunoblot assay (RIBA) that identifies antibodies which react with individual HCV antigens is often used as a supplemental test for confirmation of a positive EIA result."