Blotting, Northern. Blot, Northern . Northern Blot . Blots, Northern . Blottings, Northern . Northern Blots . Northern Blottings . Northern Blotting . Detection of RNA that has been electrophoretically separated and immobilized by blotting on nitrocellulose or other type of paper or nylon membrane followed by hybridization with labeled NUCLEIC ACID PROBES. . 1.00