What can be learned about molecular reorientation from single molecule polarization microscopy?

Gelin, M.F.;Kosov, D.S.

Abstract

We have developed a general approach for the calculation of the single molecule polarization correlation function C(t), which delivers a correlation of the emission dichroisms at time 0 and t. The approach is model independent and valid for general asymmetric top molecules. The key dynamic quantities of our analysis are the even-rank orientational correlation functions, the weighted sum of which yields C(t). We have demonstrated that the use of nonorthogonal schemes for the detection of the single molecule polarization responses makes it possible to manipulate the weighting coefficients in the expansion of C(t). Thus valuable information about the orientational correlation functions of the rank higher than the second can be extracted from C(t).

Journal

Journal of Chemical Physics

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125

ISBN/ISSN

1089-7690

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Publisher

American Institute of Physics

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DOI

10.1063/1.2227395