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n.1.(Chem.) A colorless, amorphous substance which is produced by the reduction of fluoresceïn, and from which the latter may be formed by oxidation.
References in periodicals archive ?
The secondary antibody (sheep anti-mouse antibody conjugated with fluorescin isothiocyanate; Avicenna Research Institute, Tehran, Iran) was diluted at 1:50 (v/v) with antibody diluents.
Negative fluorescin dye test was confirmation for effective therapy.