WordNet
n. 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) [syn: fluorescein, fluoresceine, resorcinolphthalein]
Usage examples of "fluorescent dye".
As the laser strikes the fluorescent dye molecules that are bound to the DNA fragment, a photon 'burst' occurs.
But his im- munogobulin capture assays-fluorescent dye screening tests developed in the late 1980s that produced results within three or four hours-had shown weak positives for several catalogued strains of the disease, with the brightest green glow on his lab slide appearing for sin nombre.
Grimy swirls of fluorescent dye blinked dimly from its cavernous walls, echoes of the previous night's sartori.
On one side lay a turban-like head-dress he had made, wound of silk dyed with a slightly fluorescent dye, with the result that in the light of this sun, rich as it was in ultra-violet, it shone of its own accord with a rich, brilliant scarlet.