dye

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dye

 [di]
any of various colored substances containing auxochromes and thus capable of coloring substances to which they are applied; used for staining and coloring, as test reagents, and as therapeutic agents.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

dye

(),
A stain or coloring matter; a compound consisting of chromophore and auxochrome groups attached to one or more benzene rings, its color being due to the chromophore and its dyeing affinities to the auxochrome. Dyes are used for intravital coloration of cells, staining tissues and microorganisms, as antiseptics and germicides, and some as stimulants of epithelial growth. For individual dyes, see the specific names. Commonly but improperly used for radiographic contrast medium.
[A.S. deah, deag]
Farlex Partner Medical Dictionary © Farlex 2012

dye

()
A stain or coloring matter; a compound consisting of chromophore and auxochrome groups attached to one or more benzene rings, its color being due to the chromophore and its dyeing affinities to the auxochrome. Dyes are used for intravital coloration of living cells, staining tissues and microorganisms, as antiseptics and germicides, and some as stimulants of epithelial growth. Commonly used term for radiographic contrast medium.
[A.S. deah, deag]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

dye

()
A stain or coloring matter. Commonly but improperly used to mean radiographic contrast medium.
[A.S. deah, deag]
Medical Dictionary for the Dental Professions © Farlex 2012

Patient discussion about dye

Q. Has anyone had an allergic reaction to gadolinium dye, MRI contrast agents, I have had a severe reaction. I would like to know the long term effects of this dye. And if anyone else has had or heard of problems and reactions to it. Please answer me. Thank you

A. In 1969 I almost died from the IVP dye. I had no idea I was allergic and when I awoke I was in a "recovery room." The doctor told me to always tell any physicians/paramedics etc of my allergy status regarding the dye. I now have chronic back pain, have a history of cancer in the family and the doctor wants to do a scan (including dye) but when I emphasized that I was allergic he backed off. Now I am wondering if there is anything else that can be done to test the bone (scan) without the dye. Any answers? Thanks

More discussions about dye
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References in periodicals archive ?
Figure 4 shows the electropherograms measured for each pen using the cationic dye capillary electrophoresis method.
In order to increase the amount of colors and maintain the color fastness to light, washing or high temperature of the textiles, an extensive amount of research has been conducted to improve the limited swelling of fibers with the help of special dyeing auxiliaries such as carriers (e.g., acetophenone, methyl benzoate) or swelling agents containing dimethyl formamide, dimethyl sulfoxide and so on, which contribute to the ability of cationic dyes or disperse dyes to enter the internal space of the fibers [9-11].
The pollutant targeted in this study is the cationic dye methylene blue (MB), purchased from Sigma Aldrich with a formula: C16H18ClN3S, its Characteristics are summarized in Table-1.
Menger, "The sorption of cationic dyes onto kaolin: Kinetic, isotherm and thermodynamic studies," Desalination, vol.
The sorption capacity of the triple magnetic composite with respect to the cationic dye increases from 350 mg/g to 1100 mg/g and to the anionic dye from 176 mg/g to 1830 mg/g.
Such result was somewhat expected due to the strong affinity between perchlorate ions and nitrogen atoms present in the molecules of the cationic dyes (SPRINGBORG et al., 1995).
Cationic, basic dyes that are used as colorants in ballpoint pen inks were chosen as analytes for the cationic dye capillary electrophoresis method development.
At pH<7, the adsorbent acts as positive surface which ultimately resulted in electrostatic repulsions between the positively charged adsorbent surface and cationic dye molecules.
Wang, "Adsorption and degradation of the cationic dyes over Co doped amorphous mesoporous titania-silica catalyst under UV and visible light irradiation," Microporous Mesoporous Material, vol.
Crystal Violet (CV) which was used as a model cationic dye in this work was purchased from Proton-Research and considered as purity 100%.
Enzymatic grafting of carboxil groups on to chitosan to confer on chitosan the property of a cationic dye adsorbent.
During the adsorption process of cationic dye (Nile Blue, 1.[10.sup.-5]M) solutions at a pH of 5-5.5, measurements of absorbance values were carried out on a UV-Vis spectrophotometer (T80+ UV/ VIS Spectrophotometer, double beam optical system, PG Instruments, United Kingdom) at the wavelengths of 635 nm.