What's the difference between indigo and purple?

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.

Purple


Definition:

  • (n.) A color formed by, or resembling that formed by, a combination of the primary colors red and blue.
  • (n.) Cloth dyed a purple color, or a garment of such color; especially, a purple robe, worn as an emblem of rank or authority; specifically, the purple rode or mantle worn by Roman emperors as the emblem of imperial dignity; as, to put on the imperial purple.
  • (n.) Hence: Imperial sovereignty; royal rank, dignity, or favor; loosely and colloquially, any exalted station; great wealth.
  • (n.) A cardinalate. See Cardinal.
  • (n.) Any species of large butterflies, usually marked with purple or blue, of the genus Basilarchia (formerly Limenitis) as, the banded purple (B. arthemis). See Illust. under Ursula.
  • (n.) Any shell of the genus Purpura.
  • (n.) See Purpura.
  • (n.) A disease of wheat. Same as Earcockle.
  • (a.) Exhibiting or possessing the color called purple, much esteemed for its richness and beauty; of a deep red, or red and blue color; as, a purple robe.
  • (a.) Imperial; regal; -- so called from the color having been an emblem of imperial authority.
  • (a.) Blood-red; bloody.
  • (v. t.) To make purple; to dye of purple or deep red color; as, hands purpled with blood.

Example Sentences:

  • (1) Also purple sulfur bacteria lowered BOD levels as demonstrated by the growth of T. floridana in sterilized sewage.
  • (2) Hagan’s defeat came as a shock and a heavy blow for the Democratic party in North Carolina, a purple state that now has no Democratic senator or governor for the first time in 30 years.
  • (3) The cases found positive by IHC showed brownish nuclei of the epithelium and those positive in ISH showed purple to purplish-black nuclei.
  • (4) From green (low) to purple (high) Putin ordered Alexander Litvinenko murder, inquiry into death told Read more Facebook Twitter Pinterest Metropolitan Police’s 3D graphic showing polonium contamination of the table and chair
  • (5) One lattice was trigonal, as in purple membrane, and showed a high-resolution electron diffraction pattern from glucose-sustained patches.
  • (6) The effect of o-phenanthroline suggests that it interacts directly with the primary electron acceptor of Photosystem II in a manner similar to that reported previously for the primary electron acceptor in purple photosynthetic bacteria.
  • (7) 262 (1987) 2895-2899], a hydroxyneurosporene methyltransferase, which is involved in carotenoid biosynthesis in the purple nonsulfur bacterium, Rhodobacter capsulatus [Armstrong et al., Mol.
  • (8) A difference density map obtained from data on purple membrane films at 15% relative humidity in 2H2O, and the same sample after complete drying in vacuum, revealed that about eight of these protons belong to four water molecules.
  • (9) Two reagents, starch-iodine complex (SIC) and a mixed pH indicator, containing bromocresol purple and BTB (2:1) used earlier for the PNC-based ELISA, were compared with BTB for utilization in the PNC-based ELISA.
  • (10) Approximately 30% of the C. neoformans strains produced large amounts of the pink (purple after 6 days) pigment in the absence of light whereas 70% of the Cryptococcus neoformans strains, as well as C. laurentii, C. albidus, C. diffluens, and C. albicans also produced the pink pigment with light being required for significant early production (2--6 days).
  • (11) Southampton are in their not-particularly-popular all-red number, while Liverpool sport their not-particularly-popular purple-white-and-black quilted shirt.
  • (12) These graphics were colour-coded green, yellow, red and purple; purple represented the highest level of contamination, showing levels of 10,000 radiation counts per second and above.
  • (13) The kinetics of purple membrane dark adaptation were studied at pH 5 and 7, in the presence and absence of the nonionic detergent Triton X-100.
  • (14) We have tested the ligands bromcresol purple and picrate and used ligand-ion selective electrodes to monitor free ligand concentration in a homogeneous solution.
  • (15) Facebook Twitter Pinterest Prince celebrating his birthday and the release of Purple Rain in Minneapolis in 1984.
  • (16) On exposure of this material to the radiation from a medium-pressure mercury lamp, the fluorescence gradually disappeared, and a red-purple product was formed.
  • (17) In contrast, the thickness of the purple membrane of Halobacterium halobium with its densely packed less-corrugated structure exhibits very little variation in thickness in coated preparations and the values obtained are in good agreement with x-ray data.
  • (18) Attending the Asia Pacific Economic Cooperation forum in Beijing this week, Barack Obama wore, along with other participants, a bright purple silky Chinese-style shirt .
  • (19) Modification of more than 3-4 tyrosine residues per bacteriorhodopsin monomer caused a decrease in the light-induced proton-pumping ability of purple membrane in synthetic lipid vesicles, loss of the sharp X-ray-diffraction patterns characteristic of the crystal lattice, loss of the absorbance maximum at 560 nm, and change in the buoyant density of the membrane.
  • (20) We found that bromocresol purple is not a specific reagent for albumin, but that serum proteins in the alpha-, beta-, and gamma-globulin fractions also react with this dye.