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  2. Methylene blue - Wikipedia

    en.wikipedia.org/wiki/Methylene_blue

    A green electrochemical procedure, ... Methylthioninium chloride, commonly called methylene blue, is a salt used as a dye and as a medication. As a medication, ...

  3. Methylene green - Wikipedia

    en.wikipedia.org/wiki/Methylene_green

    Methylene green is a heterocyclic aromatic chemical compound similar to methylene blue. It is used as a dye . [ 1 ] It functions as a visible light-activated photocatalyst in organic synthesis.

  4. Ziehl–Neelsen stain - Wikipedia

    en.wikipedia.org/wiki/Ziehl–Neelsen_stain

    After the Ziehl-Neelsen staining procedure using carbol fuchsin, acid-fast bacteria are observable as vivid red or pink rods set against a blue or green background, depending on the specific counterstain used, such as methylene blue or malachite green, respectively. Non-acid-fast bacteria and other cellular structures will be colored by the ...

  5. Blue bottle experiment - Wikipedia

    en.wikipedia.org/wiki/Blue_bottle_experiment

    Blue bottle reaction video. The blue bottle experiment is a color-changing redox chemical reaction. An aqueous solution containing glucose, sodium hydroxide, methylene blue is prepared in a closed bottle containing some air. Upon standing, it spontaneously turns from blue to colorless due to reduction of methylene blue by the alkaline glucose ...

  6. Eosin methylene blue - Wikipedia

    en.wikipedia.org/wiki/Eosin_methylene_blue

    Eosin methylene blue (EMB, also known as "Levine's formulation") is a selective and differential media used for the identification of Gram-negative bacteria, [1] specifically the Enterobacteriaceae. EMB inhibits the growth of most Gram-positive bacteria. EMB is often used to confirm the presence of coliforms in a sample.

  7. List of dyes - Wikipedia

    en.wikipedia.org/wiki/List_of_dyes

    Methylene blue: Swiss blue Basic blue 9 Solvent blue 8 52015 thiazin 61-73-4: Methylene green: Basic green 5 52020 thiazin 2679-01-8: Milling red FR: Cloth scarlet Acid red 151 26900 diazo 6406-56-0: Milling yellow 3G Acid yellow 40 18950 azo 6372-96-9: Mordant brown 33: Acid chrome brown RH Mordant brown 33 13250 azo 3618-62-0: Mordant red 19 ...

  8. Category:Thiazine dyes - Wikipedia

    en.wikipedia.org/wiki/Category:Thiazine_dyes

    Methylene blue; Methylene green; N. New methylene blue; T. Toluidine blue This page was last edited on 23 August 2017, at 19:04 (UTC). Text is available under the ...

  9. Tashiro's indicator - Wikipedia

    en.wikipedia.org/wiki/Tashiro's_indicator

    In bases: green; Methylene blue functions to change the red-yellow shift of methyl red to a more distinct violet-green shift. See also. Litmus; pH Indicator;