Western blotting(redirected from Western transfer)
Also found in: Medical.
Western blotting[′wes·tərn ‚bläd·iŋ]
(cell and molecular biology)
A protein detection technique in which proteins are separated by one- or two-dimensional gel electrophoresis, transferred (blotted) to a nitrocellulose sheet, and then treated with radioactive antibodies (or antibodies coupled to a fluorescent dye or an easily detectable enzyme) that are specific to the protein of interest.