Betekenis van:
fluorescein

fluorescein
Zelfstandig naamwoord
    • 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)

    Synoniemen

    Hyperoniemen

    Hyponiemen


    Voorbeeldzinnen

    1. Fluorescein
    2. fluorescein sodium
    3. fluorescein lisicol
    4. Subsidiary colouring matters (except fluorescein)
    5. The titre is defined as the highest dilution at which optimum reaction occurs when testing a suspension containing 105 to 106 cells per ml of the homologous strain of C. m. subsp. sepedonicus and using an appropriate fluorescein isothiocyanate (FITC) conjugate according to the manufacturer's recommendations.
    6. 2-(6-Hydroxy-3-oxo-(3H)-xanthen-9-yl)benzoic acid; Fluorescein (CAS 2321-07-5; EINECS 219-031-8) and its disodium salt (Acid yellow 73 sodium salt; CI 45350) (CAS 518-47-8; EINECS 208-253-0), when used as a substance in hair dye products
    7. The titre is defined as the highest dilution at which optimum reaction occurs when testing a suspension containing 105 to 106 cells per ml of the homologous strain of R. solanacearum and using an appropriate fluorescein isothiocyanate (FITC) conjugate according to the manufacturer’s recommendations.
    8. Observe the slides immediately with a microscope fitted for epifluorescence microscopy at 630 or 1000x magnification under immersions oil. With a filter suitable for fluorescein isothiocyanate (FITC) eubacterial cells (including most gram negative cells) in the sample are stained fluorescent green.