Confocal Microscopy List

Self-quenching

Posted by Marc Thibault on Nov 30, 2007; 2:34pm
URL: http://confocal-microscopy-list.275.s1.nabble.com/Self-quenching-tp591076.html

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Hi all,

I'm having difficulty finding information on the mechanisms behind fluorescence self-quenching. Why when packed together, molecules stop emitting light ?

Do they relax via collisional or heat transfer, but why this change ? Any info will be greatly appreciated.

Thanks in advance,

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Marc Thibault, Ph.D.

Postdoctoral Fellow
NSERC/Biosynthech Chair in Hybrid Biomaterials
for Innovative Regenerative Technologies
Department of Chemical Engineering
Ecole Polytechnique
Montreal, Qc, Canada
514 340 4711 (4781)
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