methyl blue


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methyl blue

[′meth·əl ′blü]
(organic chemistry)
Dark-blue powder or dye; sodium triphenyl para-rosaniline sulfonate; used as a biological and bacteriological stain and as an antiseptic.
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A calibration curve of methyl blue solution was obtained at 600 nm wavelength in order to correlate the concentration of MB at different reaction times by converting the absorbance of the sample to MB concentration.
Methyl blue - a chemical often used to stain biological samples - is used as the electron mediator.
Gram-negative rods present in the water samples were cultured on Eosin Methyl Blue plants, and the numbers and types of colonies were compared and analyzed.