Alcian yellow is an azo dye with the formula (CH3[(CH3N)2CS]2C6H2SNCC6H4)2N2. Its structure consists of a largely conjugated array of benzene, benzothiazole and isothiouronium units.

Histological Use

Alcian yellow is used in histology in conjunction with toluidine blue to help visualize H. pylori.[1] The resulting structures are stained as follows:[2]

– Mucin: yellow

– H. pylori: blue

– Other cellular components/background: shades of blue

See also

References

  1. ^ Leung, Jennifer K.; Gibbon, Kevin J.; Vartanian, Robert K. (1996-06-01). "Rapid Staining Method for Helicobacter Pylori in Gastric Biopsies". Journal of Histotechnology. 19 (2): 131–132. doi:10.1179/his.1996.19.2.131. ISSN 0147-8885.
  2. ^ "Helico*Stat Rapid Helicobacter Stain Kit Procedure" (PDF). Archived from the original (PDF) on 2017-03-06. Retrieved 2017-03-05.
Allikas: https://en.wikipedia.org/wiki/Alcian_yellow
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