Nanosecond Dynamics of Single-Molecule Fluorescence Resonance Energy Transfer

Details Nanosecond Dynamics of Single-Molecule Fluorescence Resonance Energy Transfer Nanosecond Dynamics of Single-Molecule Fluorescence Resonance Energy Transfer

2004-01-22

arxiv.org/abs/quant-ph/0401140v2

Physics

Quantum Physics

8 pages, 1 figure. accepted to J.Phys.Chem.B

Scientific paper

Motivated by recent experiments on photon statistics from individual dye pairs planted on biomolecules and coupled by fluorescence resonance energy transfer (FRET), we show here that the FRET dynamics can be modelled by Gaussian random processes with colored noise. Using Monte-Carlo numerical simulations, the photon intensity correlations from the FRET pairs are calculated, and are turned out to be very close to those observed in experiment. The proposed stochastic description of FRET is consistent with existing theories for microscopic dynamics of the biomolecule that carries the FRET coupled dye pairs.

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