What's the difference between indigo and violet?

Indigo


Definition:

  • (n.) A kind of deep blue, one of the seven prismatic colors.
  • (n.) A blue dyestuff obtained from several plants belonging to very different genera and orders; as, the woad, Isatis tinctoria, Indigofera tinctoria, I. Anil, Nereum tinctorium, etc. It is a dark blue earthy substance, tasteless and odorless, with a copper-violet luster when rubbed. Indigo does not exist in the plants as such, but is obtained by decomposition of the glycoside indican.
  • (a.) Having the color of, pertaining to, or derived from, indigo.

Example Sentences:

  • (1) Mood Indigo (18 July) Arguably the most French movie ever made, Romain Duris and Audrey Tautou are quite adorable as fairy tale lovers in Michel Gondry's adaptation of Boris Vian's Froth on the Daydream.
  • (2) Among the latter, there were sensitizations, to our knowledge hitherto unreported in the literature: to indigo carmine (2 cases), monensin sodium (1 case), thiabendazole (1 case), methylchlorpindol (1 case) and amprolium hydrochloride (1 case).
  • (3) Over a crest in the road was the cause of the electronic silence: the National Radio Astronomy Observatory (NRAO), an array of radio telescopes set against the indigo vastness of the Blue Ridge Mountains.
  • (4) The enzymatic activity was revealed by reddish-brown, purple red, and indigo-blue cytoplasmic precipitate, using the substrates alpha-naphthyl-acetate, naphthol-AS acetate and 5-bromo-4-chloro-indoxyl acetate respectively.
  • (5) We conclude that avoiding of xylene, and mounting of the preparates in Histoclear (a xylene substitute) and Canada balsam (instead of synthetic resin mountants) yields a sharp and stable indigo precipitate.
  • (6) The plantations of the Carolina Low Country produced rice, indigo and cotton.
  • (7) Synthetic indigo, indirubin and isatin were tested for TCDD receptor affinity in competition experiments in vitro.
  • (8) When injected with indigo carmine, the vessels localized by the hydrogen-induced current impulses filled the entire anterior spinal artery from the low thoracic to the sacral region, whereas injection of the other vessels did not show filling.
  • (9) beta-galactosidase, revealed by an indigo blue reaction product, represents a valid tracer in immunohistochemistry.
  • (10) Chromosomal aberrations induced by indigo carmine (secondary amine-containing dye), fast green FCF (tertiary amine-containing dye) and sodium nitrite, singly and in combination, were studied in mice after prolonged feeding in the diet.
  • (11) Following aspirate cytology, the lesion was localized with indigo carmine and Kopans' wire and every patient underwent a standard open excisional biopsy.
  • (12) Observations on the instability of the indigo precipitate led us to investigate this phenomenon.
  • (13) Synthetic indigo of technical grade or 98% pure showed mutagenic effects, especially on TA98 + S9.
  • (14) A trichrome staining technique using safranin-indigo-picrocarmine (SIPC) can be used to distinguish the various stages of the cell cycle in onion root tip.
  • (15) He was hooked the moment he heard Mood Indigo on his grandparents' wireless set at the age of five: "Something about it made my ears tingle."
  • (16) A central region of 2.9 kbp complemented an xylA (for xylene oxygenase) mutant of Pseudomonas putida mt-2 and was also capable of conferring the ability to convert indole to indigo on strains of Escherichia coli and P. putida.
  • (17) No hemodynamic instability occurred during the operation until the patient was administered intravenous (IV) indigo carmine 5 ml.
  • (18) Until further studies defining the mechanism for its hypertensive side effect are performed, indigo carmine should be used with caution in patients with severe cardiac dysfunction.
  • (19) Later, at Burberry , models walked the catwalk in buttoned-up indigo jackets and matching jeans.
  • (20) However, indigo showed a high (Kd = 1.9 nM) affinity for the Ah or TCDD receptor.

Violet


Definition:

  • (n.) Any plant or flower of the genus Viola, of many species. The violets are generally low, herbaceous plants, and the flowers of many of the species are blue, while others are white or yellow, or of several colors, as the pansy (Viola tricolor).
  • (n.) The color of a violet, or that part of the spectrum farthest from red. It is the most refrangible part of the spectrum.
  • (n.) In art, a color produced by a combination of red and blue in equal proportions; a bluish purple color.
  • (n.) Any one of numerous species of small violet-colored butterflies belonging to Lycaena, or Rusticus, and allied genera.
  • (n.) Dark blue, inclining to red; bluish purple; having a color produced by red and blue combined.

Example Sentences:

  • (1) Paraffin sections (8 microns) containing the medial habenular nucleus were stained with cresyl violet and both left and right medial habenular nuclei were measured by planimetry.
  • (2) Transition of the dye into the carbinol form is in water extremely slow, but is greatly accelerated in the presence of an organic phase, at least for malachite green and brilliant green, but not for crystal violet and pararosaniline.
  • (3) The spectra were obtained with a variety of excitation wavelengths, spanning the UV, violet, and yellow-green regions of the absorption spectrum, and at temperatures of 30 and 200 K. The RR data indicate that the structures of the bacteriochlorin pigments in RCs from Rb.
  • (4) Polarization microscopic studies proved that Levafix Red Violet E-2BL is bound to well-oriented fibrous proteins in glia fibers.
  • (5) Stationary-phase cells of Escherichia coli were enumerated by the pour plate method on Trypticase soy agar containing 0.3% yeast extract (TSYA), violet red-bile agar, and desoxycholate-lactose agar, and by the most-probable-number method in Brilliant Green-bile broth and lauryl sulfate broth.
  • (6) The persistency of elution over long time after subsequent transfer to fresh water was calculated at 210 nm absorbance with ultra violet spectrometer.
  • (7) Eliminating the lymphocytes from ultra-violet radiated blood specimens, we observed a decreased effect by this retransfused blood on the whole blood viscosity after 9 radiations to 18%.
  • (8) After 3 days, marked lesions were noted in SNPR and GP as seen with cresyl violet staining.
  • (9) For quantitative measurement of Coli and Coliform microorganisms five different culture media were used (Endoagar, Hexachlorophene Endoagar, Desoxycholatcitrat Agar, Violet Red Bile Agar and Brilliant Green Broth).
  • (10) A complex of diagnostic and therapeutic measures, including the establishment of indications for operative treatment, development of tactics, use of ++physico-technical methods (ultrasound study, rheography, electrocardiography, ++roentgeno-contrast angiography, ultra-violet blood irradiation, electromyostimulation) was developed.
  • (11) The Infinity towel comes in colours more vibrant than one might expect from an eco-friendly product, including coral, green, blue and violet.
  • (12) In addition, a number of antiparasitic agents have been shown to exert their actions through a free radical metabolism: nitro compounds used against trypanosomatids, anaerobic protozoa and helminths; crystal violet used in blood banks to prevent blood transmission of Chagas' disease; the antimalarial primaquine, chloroquinine, and quinhasou; and quinones active in vitro and in vivo against different parasites.
  • (13) Ultra-violet and infra-red rays are inactive on the autonomic retina and on the hypothalamus.
  • (14) Studies in this country more than 20 years ago implicating ultra-violet light as a factor in the aetiology of malignant melanoma are being ratified by epidemiologic studies in the United States.
  • (15) One of these receptor pigments is a blue-light receptor with positive action; the other is a violet-red-light receptor which can operate far below the photosynthetic threshold and exerts a negative regulation.
  • (16) These organisms tolerated concentrations of crystal violet and ethyl violet about 100-fold higher at pH 5.0 than at pH 9.0.
  • (17) After incubation, the surviving cells were fixed with methanol and stained with crystal violet.
  • (18) Cellular proliferation on the crystal violet staining.
  • (19) Mutant W 1421 mostly studied shows the following phenotypic properties not found in the wild-type: (1) The growth is hypersensitive to various antibiotics, detergents and dyes which differ remarkably in their chemical structure and antibacterial action-mechanism, (2) the cells can be easily solubilized by 0;05% Sodium-dodecyl-sulfate, (3) the cells allow the adsorption of the rough-mutant specific Salmonella phage 6SR; (4) strong cellular binding of crystal violet, (5) agglutination of the cells in 0.3% auramin solution and (6) reduced formation of red pigment.
  • (20) On the other hand, the CRU emails hardly suggest that the scientists are shrinking violets.