photobleach


Also found in: Medical.

photobleach

[¦fōd·ō‚blēch]
(physical chemistry)
Upon exposure to light, to decrease in absorbance intensity or, for fluorescent compounds, to decrease in emission intensity.
References in periodicals archive ?
2002) microinjected QDmicelles into the embryos of the carnivorous frog Xenopus and reported that the QDs were stable, nontoxic, and slow to photobleach.
It has been shown by others [40] that some porphyrins photobleach more rapidly when incorporated into erythrocyte ghosts (which contain photooxidizable lipids and proteins) or in microemulsions containing photooxidizable amino acids than in pure solvent.
Unlike fluorescence and chemiluminescence, resonance light scattering does not photobleach particles (17, 20-24).