As a verb, to transfer DNA, RNA or protein to an immobilizing matrix. As a noun, the immobilizing matrix carrying DNA, RNA or protein. The various types of blot are named according to the probe and/or the probed molecules: Southern blot (DNA/DNA), northern blot (DNA/mRNA), western blot (antibody/protein), southwestern blot (DNA/protein). Only "Southern" is written with an initial capital, as it is named after Ed Southern, the inventor of the technique.http://www.biobasics.gc.ca/english/View.asp?x...
In molecular biology, there is a method commonly known as Southern blotting or
Southern transfer, first published in 1975.(14) There is no doubt that it has achieved
eponymy, as defined by Merton. [...] In addition to the Southern blot, there are also Northern and Western blotting techniques, which were named in honor of the Southern blot. (17) Explanations include, "when the Southern procedure was adapted to suit RNA instead of DNA, some wag coined it Northern blotting, a term that has also stuck ''(18) and "The Northern blot, sonamed because it is patterned after the Southern blot, ...,,(19) http://www.springerlink.com/content/v62k30506...
(Scientometrics 24 (1992) 407)