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Crystal violet or gentian violet, also known as methyl violet 10B or hexamethyl pararosaniline chloride, is a triarylmethane dye used as a histological stain and in Gram's method of classifying bacteria. Crystal violet has antibacterial, antifungal, and anthelmintic properties and was formerly important as a topical antiseptic.
Gram-positive cells have a thick layer of peptidoglycan in the cell wall that retains the primary stain, crystal violet. Gram-negative cells have a thinner peptidoglycan layer that allows the crystal violet to wash out on addition of ethanol. They are stained pink or red by the counterstain, [3] commonly safranin or fuchsine.
Cresyl violet stained partial brain section of a Macaque. It is used in biology and medicine as a histological stain. Cresyl violet is an effective and reliable stain used for light microscopy sections. Initially, tissue sections are "defatted" by passing through graded dilutions of ethanol. Then, rehydrated by passing back through decreasing ...
The book is about a 13-year-old girl called Violet and her older 15-year-old brother, Will. Violet is a dreamy girl who is described as having long, thick hair and being small and skinny for her age. She is always away in her own world, filled with fairies designed by her favorite author, Casper Dream.
Color symbolism in art, literature, and anthropology is the use of color as a symbol in various cultures and in storytelling.There is great diversity in the use of colors and their associations between cultures [1] and even within the same culture in different time periods. [2]
Book the Tenth: The Slippery Slope is the tenth novel in the children's novel series A Series of Unfortunate Events by Lemony Snicket. It was illustrated by Brett Helquist and published on September 23, 2003. In the novel, Violet and Klaus Baudelaire make their way up the Mortmain Mountains to rescue their sister Sunny from Count Olaf and his ...
Violet (color), a spectral color with wavelengths shorter than blue; One of a list of plants known as violet, particularly: Viola, a genus of flowering plants;
This is an accepted version of this page This is the latest accepted revision, reviewed on 28 January 2025. Varieties of the color violet Violet Spectral coordinates Wavelength 380–450 nm Frequency 800–715 THz Color coordinates Hex triplet #8000FF sRGB B (r, g, b) (128, 0, 255) HSV (h, s, v) (270°, 100%, 100%) CIELCh uv (L, C, h) (41, 134, 275°) Source W3C B: Normalized to [0–255 ...