Procion Brown: An Intracellular Dye for Light and Electron Microscopy

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Science  21 Dec 1973:
Vol. 182, Issue 4118, pp. 1255-1256
DOI: 10.1126/science.182.4118.1255


Procion browvn has been used to inject lamprey giant interneutros. The dye is opaque to both light and electrons, and imparts a pink color to the neuron in situ during iontophoresis. It has the advantage over cobaltolus chloride that postinjection treatment with ammonium sulfide is eliminated and the integrity of the surrounding neuropil is ensured.

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