| fluorochrome | 1. <chemistry> Those molecules that are fluorescent when appropriately excited, fluorochromes such as fluorescein or tetramethyl rhodamine are usually used in their isothiocyanate forms (FITC, TRITC). 2. <microscopy> Dyes which have little colouring effect under ordinary lighting conditions but which fluoresce when irradiated with ultraviolet radiation. (05 Aug 1998) |
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