What's the difference between color and dye?

Color


Definition:

  • (n.) A property depending on the relations of light to the eye, by which individual and specific differences in the hues and tints of objects are apprehended in vision; as, gay colors; sad colors, etc.
  • (n.) Any hue distinguished from white or black.
  • (n.) The hue or color characteristic of good health and spirits; ruddy complexion.
  • (n.) That which is used to give color; a paint; a pigment; as, oil colors or water colors.
  • (n.) That which covers or hides the real character of anything; semblance; excuse; disguise; appearance.
  • (n.) Shade or variety of character; kind; species.
  • (n.) A distinguishing badge, as a flag or similar symbol (usually in the plural); as, the colors or color of a ship or regiment; the colors of a race horse (that is, of the cap and jacket worn by the jockey).
  • (n.) An apparent right; as where the defendant in trespass gave to the plaintiff an appearance of title, by stating his title specially, thus removing the cause from the jury to the court.
  • (v. t.) To change or alter the hue or tint of, by dyeing, staining, painting, etc.; to dye; to tinge; to paint; to stain.
  • (v. t.) To change or alter, as if by dyeing or painting; to give a false appearance to; usually, to give a specious appearance to; to cause to appear attractive; to make plausible; to palliate or excuse; as, the facts were colored by his prejudices.
  • (v. t.) To hide.
  • (v. i.) To acquire color; to turn red, especially in the face; to blush.

Example Sentences:

  • (1) Using an in vitro culture system, light scatter analyses, and two-color flow cytometry, we provide evidence that the interleukin-2 (IL-2) and transferrin receptors can be induced within 48 hr on nonproliferating immature thymocytes.
  • (2) A sensitive color reaction after two-dimensional TLC described earlier for zeranol determination in veal samples is proposed for the detection of the zeranol metabolite zearalanone and the mycotoxin zearalenone.
  • (3) Experiment 3 showed that the color-induced increase in odor intensity is not due to subjects' preexperimental experience with particular color-odor combinations, because the increase occurred with novel ones.
  • (4) In 60 rhesus monkeys with experimental renovascular malignant arterial hypertension (25 one-kidney and 35 two-kidney model animals), we studied the so-called 'hard exudates' or white retinal deposits in detail (by ophthalmoscopy, and stereoscopic color fundus photography and fluorescein fundus angiography, on long-term follow-up).
  • (5) Urinalysis revealed a low pH, increased ketones and bilirubin excretion, dark yellowish change in color, the appearance of "leaflet-shaped" crystals and increased red blood cells and epithelial cells in the urinary sediment, increased water intake, decreased specific gravity and decreased sodium, potassium and chloride in the urine.
  • (6) Contrary to previous reports, approximately 20% of the neurons in V3 were color selective in terms of showing a severalfold greater response to the best monochromatic wavelength compared with the worst.
  • (7) By using various colors, it is possible to tattoo a nipple-areola complex onto the breast that will have an illusion of projection.
  • (8) A semiautomated colorimetric assay (MTT assay), based on the ability of live cells to reduce a tetrazolium-based compound, 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl tetrazolium bromide (MTT), to a purplish colored formazan product that can be measured spectrophotometrically, has recently been adapted for use in drug sensitivity analysis of cultured human tumor cell lines.
  • (9) Fifty-one severely retarded adults were taught a difficult visual discrimination in an assembly task by one of three training techniques: (a) adding and reducing large cue differences on the relevant-shape dimension; (b) adding and fading a redundant-color dimension; or (c) a combination of the two techniques.
  • (10) Estimated by SSST, the FAFol, which employs the stool with the highest content of 51Cr corresponding to the most carmine-colored stool, correlated closely with the FAFol based on complete stool collection (r = 0.96, n = 39, p less than 0.0001).
  • (11) As for fish attractiveness, motion, freshness, size, color and species were found as important parameters in the food-preference mechanism.
  • (12) Although the lens did not alter stereopsis, it did produce severe color discrimination losses for normal and dichromatic subjects.
  • (13) The respiratory functions of the oropharynx, larynx, and trachea of normal human fetuses in utero were explored by means of real-time, two-dimensional ultrasonography combined with color-flow and spectral Doppler analysis.
  • (14) A precise record of gingival color helps to follow-up oral and systemic diseases.
  • (15) Duplex and color Doppler sonography have become indispensable for evaluating the major vessels of the abdomen.
  • (16) The colors of mixtures of dental opaque porcelains and modifiers were measured with use of the CIE L*a*b* uniform color space.
  • (17) It appears, therefore, that the aggregation and dispersion of pigment within the melanophores is the primary mechanism responsible for the changes in color of this species.
  • (18) This section includes a description of the presentations on the pages, the use of color in the scans, and the use of certain advanced features of the ACTA-Scanner, the scanner used for the atlas.
  • (19) The use of the pellet binder "Lingnosol FG" in broiler diets at three levels plus a control group revealed differences in the consistency, quantity and color of the caecal contents between the treated and untreated groups.
  • (20) It was concluded that visualization of the intracranial venous system with color Doppler US is possible in the majority of healthy neonates.

Dye


Definition:

  • (v. t.) To stain; to color; to give a new and permanent color to, as by the application of dyestuffs.
  • (n.) Color produced by dyeing.
  • (n.) Material used for dyeing; a dyestuff.
  • (n.) Same as Die, a lot.

Example Sentences:

  • (1) The most successful dyes were phenocyanin TC, gallein, fluorone black, alizarin cyanin BB and alizarin blue S. Celestin blue B with an iron mordant is quite successful if properly handled to prevent gelling of solutions.
  • (2) The actions of the polyvalent cationic dye Ruthenium Red and the enzyme neuraminidase were studied at the frog neuromuscular junction.
  • (3) Significant increases in the extravasation of dye were observed in both animal groups sensitized with IgG1 and IgG2 antibodies.
  • (4) While the reduced form of the "derived" polyphenolic compounds, generated during tissue homogenization, appeared to enhance dye binding with bovine serum albumin, their influence on the protein assay directly in crude homogenates was extremely diverse.
  • (5) To selectively stain polyanionic macromolecules of growth plate cartilage and to prevent artifacts induced by aqueous fixation, proximal tibial growth plates were excised from rats, slam-frozen, and freeze-substituted in 100% methanol containing the cationic dye Alcian blue.
  • (6) This dye is concentrated and secreted by the parietal cells.
  • (7) The rhodamine 123-induced growth inhibition was partially reversed by treating the dye-pre-exposed infected erythrocytes with the proton ionophore carbonyl-cyanide m-chlorophenylhydrazone, which dissipates transmembrane proton gradients.
  • (8) The duration of electrophoresis was based on the migration of a marker dye for a predetermined distance.
  • (9) Effects of fixation with glutaraldehyde (GA), glutaraldehyde-osmium tetroxide (GA-OsO(4)), and osmium tetroxide (OsO(4)) on ion and ATP content, cell volume, vital dye staining, and stability to mechanical and thermal stress were studied in Ehrlich ascites tumor cells (EATC).
  • (10) By using pH- or Ca(2+)-sensitive dyes and recording at the ion-sensitive and -insensitive (isosbestic) wavelengths, the method can measure both cell volume changes and intracellular ionic activities.
  • (11) An argon dye laser system with lambda em=630 nm (400 mW cm-2) was used for PDT with a total light dose of 400 J cm-2.
  • (12) In a complete system, consisting of a dye-donor couple, ferredoxin, thioredoxin and ferredoxin-thioredoxin reductase, light activation of purified spinach fructose-1,6-bisphosphatase was observed in vitro.
  • (13) When given 30 min after acetic acid instillation SC-41930 prevented the rise in myeloperoxidase and dye extravasation observed in the acetic acid inflammed tissue.
  • (14) A comparison was made between the Q's estimated by the CO2 rebreathing method during tethered swimming and previously published data on Q determined by the dye-dilution method during free swimming in a flune.
  • (15) A novel staining procedure for enumerating osteoclasts on neonatal mouse calvaria with the vital fluorescent dye acridine orange is described.
  • (16) Thus, angiographic dye appears to decrease heart rate by a direct effect on pacemaker tissue and by reflex vagal suppression of the sinus pacemaker.
  • (17) The purpose of this study was to compare the level of apical dye penetration when different sealers were used.
  • (18) This protein which we call CBP-58 bears similarities to the endoplasmic reticulum protein, calreticulin, in that it has a pI of 4.7 containing approximately 30% glutamate and aspartate, has a high capacity for calcium, and stains blue with the carbocyanine dye, 'Stains-all'.
  • (19) Minced and triturated fragments from the spinal cord of normal rat fetuses (15-18 days gestation) labeled with the fluorescent dye fast blue (FB) were successfully transplanted into juvenile myelin-deficient rat spinal cord under direct observation.
  • (20) In vitro, the soluble core PEI and membrane both bound reactive substances of limited aqueous stability, such as from [14C]N-methyl-N-nitrosourea ([14C]NMU), and aqueous stable dyes of molecular weight up to 1000.