The story
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: To derivatize with a dansyl group by reacting with dansyl chloride, 5(dimethylamino)naphth‐1‐ylsulfonyl chloride. (The method is used to acylate free amino groups in protein end‐group.) Full definition →
Etymology from Wiktionary, CC BY-SA 4.0.