| 单词 | fluorescein |
| 释义 | fluorescein (once / 1074483 pages) n WORD FAMILY fluorescein USAGE EXAMPLESThe picture was taken with the aid of a technique called fluorescein angiography, which gauges blood circulation in the eye. Nature(Mar 07, 2016) The eye doctor trained her scope on the patient’s retina and then injected a dye called fluorescein. New York Times(Jun 05, 2015) By repeating this process two or three times, the fluorescein may be obtained in a very pure condition. Various, Encyclopaedia Britannica, 11th Edit...(2011) 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|Hypo|Hyper fluoresceine, fluorescent dye, resorcinolphthalein 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 absorption indicator an indicator used in reactions that involve precipitation dye, dyestuffa usually soluble substance for staining or coloring e.g. fabrics or hair |
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