pyronine

[pahy-ruh-neen]

noun Histology.

a xanthine dye used for detecting the presence of RNA.

Origin of pyronine

First recorded in 1890–95, pyronine is from the German word Pyronin, originally a trademark

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

pyronine in Medicine

pyronine

[pī′rə-nēn′]

n.

Any of several xanthene dyes that are ferric chloride complexes and are used in combination with methyl green to stain for RNA, DNA, and bacteria, and as a tracking dye for RNA in electrophoresis.