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Zoology and wildlife conservation

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Abstracts » Zoology and wildlife conservation

Floral fluorescence effect

Article Abstract:

An internal light-filtering effect in the flowers of Mirabilis jalapa, in which the visible fluorescence emitted by one pigment, a yellow betaxanthin, is absorbed by another, a violet betacyanin to create a contrasting fluorescent pattern on the flower's petals is described. Measurement of the fluorescence-emission spectrum of dopaxanthin and the absorbance spectrum of betanin indicates that the light emitted by the fluorophore is strongly reabsorbed.

Author: Gandia-Herrero, Fernando, Gracia-Carmona, Francisco, Escribano, Josefa
Publisher: Macmillan Publishing Ltd.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 2005
Science & research, Fluorescent Pigments, Research, Flowers

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Atto labels and their conjugates - Versatile, bright and stable tools for imaging

Article Abstract:

Atto dyes provide the brightest fluorescence with narrow fluorescence emission spectra. Atto 488, a superior alternative to the widely used fluorescein, provides tremendously improved photostability and more intense fluorescence.

Author: Nording, Pierre
Publisher: Macmillan Publishing Ltd.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 2005
Organic Colorants, Organic Dyes & Pigments, Organic Dyes, Usage, Properties, Fluorescein

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