acidic dye

acidic dye

[ə¦sid·ik ′dī]
(organic chemistry)
An organic anion that binds to and stains positively charged macromolecules.
References in periodicals archive ?
Summary: TEHRAN (FNA)- Researchers at Iran University of Science and Technology succeeded in improving the ability of nanosilica to adsorb acidic dyes by functionalizing porous nanosilica.
Algerian researchers have discovered that orange peel could be used to remove acidic dyes from industrial effluent.
Ion-pairing with acidic dyes under the described conditions is less likely because the carboxy metabolite is a zwitterion.