Janus green B is a supravital stain. Janus green B staining reaction is oxygen dependent, and is reversibly inhibited by cyanide. Janus green B has been used for staining peripheral nerves in live insects, lymphatic vessels of rabbits and mitochondria.
[1]. LAZAROW A, et al. Studies on the enzymatic basis for the Janus green B staining reaction. J Histochem Cytochem. 1953 Jul;1(4):234-41.
[2]. Yack JE. Janus Green B as a rapid, vital stain for peripheral nerves and chordotonal organs in insects. J Neurosci Methods. 1993 Aug;49(1-2):17-22.
[3]. Lee BC, et al. Novel threadlike structures (Bonghan ducts) inside lymphatic vessels of rabbits visualized with a Janus Green B staining method. Anat Rec B New Anat. 2005 Sep;286(1):1-7.