Designed for professional use, Neisser's Solution I is a crucial tool in the field of histology and microscopy. It is specifically formulated as part of the Neisser staining process, which is employed to visualize polar bodies in the cytoplasm of gram-positive bacteria. This solution plays a pivotal role in identifying diphtheria bacteria, contributing significantly to bacteriological studies. In the staining procedure, cells are initially stained with methylene blue and crystal violet in an acidic solution before being counterstained with chrysoidin solution. The resulting appearance of polyphosphate granules—black-violet within the yellow-brown stained cells—provides valuable insights into the cellular structure of these organisms.

• Category: Staining acc. to Neisser