<biochemistry> Light induced change in a chromophore, resulting in the loss of its absorption of light of a particular wavelength. A problem in fluorescence microscopy where prolonged illumination leads to progressive fading of the emitted light because less of the exciting wavelength is being absorbed.
This entry appears with permission from the Dictionary of Cell and Molecular Biology
(11 Mar 2008)
|Bookmark with:||word visualiser||Go and visit our forums|