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  2. Carbol fuchsin - Wikipedia

    en.wikipedia.org/wiki/Carbol_fuchsin

    If the bacteria is acid-fast the bacteria will retain the initial red color of the dye because they are able to resist the destaining by acid alcohol (0.4–1% HCl in 70% EtOH). [4] Additionally, it can be used for the staining of bacterial spores. Carbol-fuchsin is also used as a topical antiseptic and antifungal. [citation needed]

  3. Bismarck brown Y - Wikipedia

    en.wikipedia.org/wiki/Bismarck_brown_Y

    Bismarck brown Y also called C.I. 21000 [1] and C.I. Basic Brown 1, [1] is a diazo dye with the idealized formula [(H 2 N) 2 C 6 H 3 N 2] 2 C 6 H 4. The dye is a mixture of closely related compounds. It was one of the earliest azo dyes, being described in 1863 by German chemist Carl Alexander von Martius. It is used in histology for staining ...

  4. Staining - Wikipedia

    en.wikipedia.org/wiki/Staining

    A simple staining method for bacteria that is usually successful, even when the positive staining methods fail, is to use a negative stain. This can be achieved by smearing the sample onto the slide and then applying nigrosin (a black synthetic dye) or India ink (an aqueous suspension of carbon particles).

  5. Fuchsine - Wikipedia

    en.wikipedia.org/wiki/Fuchsine

    In solution with phenol (also called carbolic acid) as an accentuator [16] it is called carbol fuchsin and is used for the Ziehl–Neelsen and other similar acid-fast staining of the mycobacteria which cause tuberculosis, leprosy etc. [17] Basic fuchsine is widely used in biology to stain the nucleus, and is also a component of Lactofuchsin ...

  6. Category:Staining dyes - Wikipedia

    en.wikipedia.org/wiki/Category:Staining_dyes

    Staining dyes are dyes used for staining in microbiology and histology. Subcategories. ... Water blue; Wayson stain; Z. Ziehl–Neelsen stain This page ...

  7. Gram stain - Wikipedia

    en.wikipedia.org/wiki/Gram_stain

    Gram staining is not used to classify archaea, since these microorganisms yield widely varying responses that do not follow their phylogenetic groups. [10] Some organisms are gram-variable (meaning they may stain either negative or positive); some are not stained with either dye used in the Gram technique and are not seen. [citation needed]

  8. Neutral red - Wikipedia

    en.wikipedia.org/wiki/Neutral_red

    Neutral red (toluylene red, Basic Red 5, or C.I. 50040) is a eurhodin dye used for staining in histology. It stains lysosomes red. [1] It is used as a general stain in histology, as a counterstain in combination with other dyes, and for many staining methods. Together with Janus Green B, it is used to stain embryonal tissues and supravital ...

  9. Pararosaniline - Wikipedia

    en.wikipedia.org/wiki/Pararosaniline

    Pararosaniline, Basic Red 9, or C.I. 42500 is an organic compound with the formula [(H 2 NC 6 H 4) 3 C]Cl. It is a magenta solid with a variety of uses as a dye . [ 1 ] It is one of the four components of basic fuchsine .