IN a recent communication 1 Goldstein suggests that differential staining of DNA and RNA can be obtained by a number of binary mixtures of basic dyes, of which the dye with the higher molecular ...

The Gram stain is a differential stain commonly used in the microbiology laboratory that differentiates bacteria on the basis of their cell wall structure. Most bacteria can be divided into two groups ...

Safranin is then used as a counterstain for vegetative cells. The endospore stain is a differential stain because it differentiates spore-formers from non spore-formers. Note: Formation of an ...

IT is true that in the cell nucleus one finds substances in addition to DNA, and that these may play an important part in certain staining procedures. If, however, a dye known to be basic stains a ...