crystal violet


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violet

 [vi´o-let]
1. the color produced by the shortest waves of the visible spectrum, beyond indigo, approximately 380 to 420 nm.
2. a dye or stain with this color.
crystal violet (gentian violet) (methyl violet) gentian violet; see under gentian.

crys·tal vi·o·let

(kris'tăl vī'ō-let), [C.I. 42555]
A compound that has been used in the external treatment of burns, wounds, and fungal infections of skin and mucous membranes, and internally for pinworm and certain fluke infections; used as a stain for chromatin, amyloid, platelets in blood, fibrin, and neuroglia; used also to differentiate bacteria.

crystal violet

n.
A dye derived from gentian violet that is used as a general biological stain and an acid-base indicator.

crys·tal vi·o·let

(kris'tăl vī'ŏ-lĕt)
[C.I. 42555] A compound that has been used in the external treatment of burns, wounds, and fungal infections of skin and mucous membranes, and internally for pinworm and certain fluke infections; used as a stain for chromatin, amyloid, platelets in blood, fibrin, and neuroglia; used also to differentiate bacteria.

crystal violet

One of the many dyes used as a tissue and micro-organism stain for microscopic examination.
References in periodicals archive ?
Furthermore, the secretion increased the crystal violet uptake by staphylococcal treated cells suggesting the cell envelope as the target of the present bioactive compounds.
Crystal violet staining of primary cESCs in the presence with PD173074.
pneumoniae was treated with or without SSHT (500 [micro]g/mL) for 1-3 days, and its antibiofilm activity was quantified by crystal violet adsorption by measuring absorbance at 570 nm.
Crystal violet (CV), 4-nitrobenzenethiol (NBT), melamine, and potassium nitrate obtained from Sigma-Aldrich as well.
The migrated cells were stained with crystal violet. The dye was eluted with 33% acetic acid, and crystal violet absorbance was measured at 570 nm using a microplate reader.
Zhao, "Bacillus amyloliquefaciens biofilm as a novel biosorbent for the removal of crystal violet from solution," Colloids and Surfaces B: Biointerfaces, vol.
Thus, the data indicates that gourd peel peroxidase could be a potential source for developing an inexpensive and efficient method for the treatment of recalcitrant fuchsin acid and crystal violet dyes that are potentially toxic.
Some of those compounds such as crystal violet and malachite green are known for being toxic and carcinogenic, causing health disorders like mutations, cytotoxicity, neurotoxicity, and chromosomal aberrations (Oplatowska et al., 2011).
Contrary to standard texts, the purple dye called crystal violet, a main ingredient in gram staining, does not actually enter bacterial cells, researchers report online April 27 in ACS Chemical Biology.
To observe the morphology, RPBCs were stained with crystal violet (Sigma).
The effect on growth was determined using the maximum velocity rate, effect on biofilm was determined using either a crystal violet assay or an ATP assay, and the 50% inhibitory concentration ([IC.sub.50]) for growth and biofilm amounts was determined using Masterplex ReaderFit dose-response software.