Also found in: Encyclopedia.


To lose color or whiten by the action of light; for example, the use of a laser to bleach a fluorescent dye covalently linked to a macromolecule.
Mentioned in ?
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.
A rectangular region was irradiated with high-intensity, 488-nm excitation to photobleach the green fluorescence while enhancing the red fluorescence of cell membranes there.