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Auramine-rhodamine stain


Oocysts of Cryptosporidium parvum stained with the fluorescent auramine-rhodamine stain.

The auramine-rhodamine stain (AR), also known as the Truant auramine-rhodamine stain, is a histological technique used to visualizee acid-fast bacilli using fluorescence microscopy, notably species in the Mycobacterium genus.[1] Acid-fast organisms display a reddish-yellow fluorescence.[2]

AR stain is a mixture of Auramine O and Rhodamine B.

See also

References

  1. ↑ Kommareddi S, Abramowsky C, Swinehart G, Hrabak L (1984). “Nontuberculous mycobacterial infections: comparison of the fluorescent auramine-O and Ziehl-Neelsen techniques in tissue diagnosis”. Hum Pathol. 15 (11): 1085–9. PMID 6208117.
  2. ↑ Abe C (2003). “[Standardization of laboratory tests for tuberculosis and their proficiency testing]”. Kekkaku. 78 (8): 541–51. PMID 14509226.


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