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.

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]

dye

(di) any colored substance containing auxochromes and thus capable of coloring substances to which it is applied; used for staining and coloring, as a test reagent, and as a therapeutic agent.
acid dye , acidic dye one which is acidic in reaction and usually unites with positively charged ions of the material acted upon.
amphoteric dye  one containing both reactive basic and reactive acidic groups, and staining both acidic and basic elements.
anionic dye  acid d.
basic dye  one which is basic in reaction and unites with negatively charged ions of the material acted upon.
cationic dye  basic d.

dye

[dī]
Etymology: AS, deag
1 v, to apply coloring to a substance.
2 n, a chemical compound capable of imparting color to a substance to which it is applied. Various dyes are used in medicine as stains for tissues, test reagents, therapeutic agents, and coloring agents in pharmaceutic preparations.

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]

dye

()
A stain or coloring matter. Commonly but improperly used to mean radiographic contrast medium.
[A.S. deah, deag]

dye

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.

acridine dye
acriflavine and proflavine are antiseptic dyes.
azo dye
dyes like scarlet red and phenazopyridine are used as antiseptics to be applied topically or as urinary antiseptics.
diagnostic dye
several diagnostic test procedures involve the administration of a dye and determination of the rate of excretion, either by measuring levels remaining in the body or amounts excreted in the urine, feces, etc. Examples are the bromsulfthalein (BSP) test for liver function, and the phenolsulfonphthalein (PSP) renal function test.
dye dilution method
the standard method of measuring circulating plasma volume; based on the degree of dilution of a physiologically inert dye injected intravenously.
vital dye
see vital stain.

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
References in periodicals archive ?
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This collection was followed up by Unforgettable Moments by Lela Rose[TM], a collection of dyeable special occasion shoes that launched late in 2008.
In Fall 2007, Rose partnered with Payless Shoes to produce Lela Rose for Payless, a line of fashion forward shoes, followed by Unforgettable Moments, a collection of dyeable shoes for special occasions.
10 /PRNewswire-FirstCall/ -- Payless ShoeSource and New York-based fashion designer Lela Rose announced today the availability of Unforgettable Moments(TM) by Lela Rose, a special occasion collection of dyeable designer shoes and accessories created by Rose exclusively for Payless.
With over 125 labels to choose from - including such specialty brands as Manale and Hype, and best sellers like Nicole Miller and Dyeables - The Knot and Shoebuy.
Bride's choice of Casablanca wedding gown, with alterations, veil and pair of Dyeables or Touch Ups wedding shoes, provided by Lady in White