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The name gentian violet was originally used for a mixture of methyl pararosaniline dyes (methyl violet), but is now often considered a synonym for crystal violet. The name refers to its colour, being like that of the petals of certain gentian flowers; it is not made from gentians or violets .
Triple dye is an antiseptic initially used for the ... gentian violet 1.17%; in aqueous solution. [1] ... Application was as a 50% mixture with soft soap solution. [4]
It is known in medicine as Gentian violet (or crystal violet or pyoctanin(e) [1]) and is the active ingredient in a Gram stain, used to classify bacteria. It is used as a pH indicator, with a range between 0 and 1.6. The protonated form (found in acidic conditions) is yellow, turning blue-violet above pH levels of 1.6. [4]
Gram noticed that some bacterial cells possessed noticeable resistance to decolorization. Based on these observations, Gram developed the initial gram staining procedure, initially making use of Ehrlich's aniline-gentian violet, Lugol's iodine, absolute alcohol for decolorization, and Bismarck brown for counterstain. [6]
Crystal violet – a triarylmethane dye. It has antibacterial, antifungal, and anthelmintic properties and was formerly important as a topical antiseptic. [23] Chlorhexidine is a topical antibacterial and antifungal. It is commonly used in hospitals as an antiseptic.
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 ...
Carbol fuchsin, carbol-fuchsin, carbolfuchsin, or Castellani's paint (CAS) is a mixture of phenol and basic fuchsin that is used in bacterial staining procedures. It is commonly used in the staining of mycobacteria because it has an affinity for the mycolic acids found in their cell membranes.
Gentian violet, also known as crystal violet has antibacterial, antifungal, and antiparasitic properties. [26] This compound was used during the World War I era as a topical antiseptic, but has been replaced in modern times with more modern treatments.