crystal violet

Noun

Meaning

a green crystal (violet in water) used as a dye or stain or bactericide or fungicide or anthelmintic or burn treatment

Synonyms

Hypernyms

Examples

Gram-negative bacteria cannot retain the violet stain after the decolorization step; alcohol used in this stage degrades the outer membrane of gram-negative cells making the cell wall more porous and incapable of retaining the crystal violet stain. Source: Internet

Iodide ( Imain or Imain ) interacts with CVmain and forms large complexes of crystal violet and iodine (CV–I) within the inner and outer layers of the cell. Source: Internet

DNA stained with crystal violet can be viewed under natural light without the use of a UV transilluminator which is an advantage, however it may not produce a strong band. Source: Internet

Gram-positive bacteria take up the crystal violet stain used in the test, and then appear to be purple-coloured when seen through a microscope. Source: Internet

Staining a cell with a dye such as Giemsa stain or crystal violet allows a microscopist to describe its size, shape, internal and external components and its associations with other cells. Source: Internet

The decolorization step is critical and must be timed correctly; the crystal violet stain is removed from both gram-positive and negative cells if the decolorizing agent is left on too long (a matter of seconds). Source: Internet

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