fluoresceine


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Noun1.fluoresceine - a yellow dye that is visible even when highly diluted; used as an absorption indicator when silver nitrate solution is added to sodium chloride in order to precipitate silver chloride (turns pink when no chloride ions are left in solution and negative fluorescein ions are then absorbed)
solution - a homogeneous mixture of two or more substances; frequently (but not necessarily) a liquid solution; "he used a solution of peroxide and water"
absorption indicator - an indicator used in reactions that involve precipitation
dye, dyestuff - a usually soluble substance for staining or coloring e.g. fabrics or hair
bromeosin, eosin - a red fluorescent dye resulting from the action of bromine on fluorescein; used in cosmetics and as a biological stain for studying cell structures
References in periodicals archive ?
Lectin Wheat germ agglutinin (WGA) conjugated with isitiosionate of fluoresceine (WGA-FITC) has been used to identify these carbohydrates in vitro.
The method was verified by a model screening using esterase and choline oxidase activities of Escherichia coli with fluoresceine and p[O.sub.2]-sensitive particles as indicators.
Initially, the first blend component (containing fluoresceine for visualization purpose) is fed into one of the mixing chambers through the corresponding feeding channel; the corresponding purging channel being opened to allow the air draining.
"It was, and maybe still is, slightly counter-intuitive to think that forming yet another organisation in optics would make things better," he said, adding: "Happily, as these past four years have demonstrated, this is not the case." Giving the sector's response to discontinuation of the supply of fluoresceine strips as an example of collaborative successes, Mr Grocott said: "The Confederation led in this, we facilitated in the pooling of expert knowledge and achieved an excellent outcome for patients."

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