Theory of the fluorescence of single molecules undergoing multistate conformational dynamics
Article Abstract:
A study is reported that shows the fluorescence decay of an N-state system seen in some single-molecule experiments is multiexponential with random amplitudes if the experiment's duration is finite. The probability density for these amplitudes is calculated.
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 2000
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Single-macromolecule fluorescence resonance energy transfer and free-energy profiles
Article Abstract:
A theory is developed to obtain the probability distribution of the energy-transfer efficiency obtained from trajectories of duration T. The efficiency is an explicit function of the distance between a fluorescent donor and acceptor attached to the macromolecule, thus efficiency can formally be converted to a distance.
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 2003
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Fluorophore-quencher distance correlation functions from single-molecular photon arrival trajectories
Article Abstract:
The method of Yang and Xie is generalized to obtain distance correlation functions from photon arrival trajectories of single fluorophores whose lifetime, [k(r)](super -1), depends on the distance to a quencher. It is shown that in order to get the fluorophore-quencher distance correlation function and equilibrium averages of powers of the distance, the delay time trajectory should be transformed by replacing each delay time by a certain function of that time.
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 2005
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