Unlike Nigrosin Acidic Congo Red
Unlike Nigrosin Acidic Congo Red . Unlike nigrosin, acidic congo red doesn't contain suspended particles, but can give the appearance of a negative stain. This problem has been solved! Biology Archive September 15, 2017 from www.chegg.com Dye and bacteria are both neg. What is the basis for this stain? Hence, an acidic dye do not stain bacteria.