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Methylene Blue Solution 250ml (often typed as Methyle Blue) is a ready-to-use liquid biological stain and redox indicator supplied by IBEX SCIENCES. Based in New Anarkali, Lahore, they distribute this liquid reagent in 250ml configurations to medical diagnostic facilities, university research units, and school laboratories across Pakistan. Obtaining it as a pre-mixed liquid eliminates the mess, precision weighing, and hazardous particulate inhalation associated with blending raw powder dyes. [1, 2]
To confirm specific percentage concentrations (such as 1% aqueous or specialized clinical variations), request a current retail price, or coordinate local delivery, you can connect directly with their sales desk. [1, 2]
Chemical Profile & Laboratory Applications
Methylene Blue (C₁₆H₁₈ClN₃S) is a vital thiazine category dye widely prized for its reliable staining and oxidation-reduction physics: [1]
- Microscopic Biological Staining: It acts as a powerful contrast stain in microbiology and histology. It quickly binds to acidic cellular components like nucleic acids (DNA and RNA), turning cell nuclei, bacterial cell walls, and blood smear structures a vivid, easily observable blue. [1, 2, 3]
- Reversible Redox Indicator: The solution behaves as a classic indicator for electron-transfer experiments. It remains bright blue in a fully oxygenated or oxidizing environment, but transitions to completely colorless (forming leucomethylene blue) when exposed to reducing agents. [1, 2, 3]
- Cell Viability Assays: It is utilized in biochemistry protocols to distinguish between living and dead microorganisms. Active, living cells can metabolize and reduce the dye (turning them clear), while dead cells are stained dark blue. [1]
- Handling & Cleanliness: This solution features intense, permanent staining capabilities on biological tissue, clothing, and laboratory countertops. Always operate with appropriate personal protective equipment (PPE), including nitrile lab gloves, safety glasses, and protective aprons. [1, 2]
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