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- n. A unit of volume equal to 10-15 liters
Sorry, no etymologies found.
These are atypical femtoliter-order microdomains where the behavior of even single molecules may have important biological consequences.
FCS measures fluorescence intensity fluctuations arising from the Brownian motion of fluorescent molecules into and out of a sub-femtoliter laser focus, or from transitions between fluorescent and non-fluorescent states.