Pyronine



[pahy-ruh-neen] /ˈpaɪ rəˌnin/

noun, Histology.
1.
a xanthine dye used for detecting the presence of RNA.

pyronine py·ro·nine (pī’rə-nēn’) or py·ro·nin (-nĭn)
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.

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