Fluorescence correlation spectroscopy of diffusion probed with a Gaussian-Lorentzian spatial distribution

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Abstract

Fluorescence correlation spectroscopy is fundamental in many physical, chemical and biological studies of molecular diffusion. However, the concept of fluorescence correlation is founded on the assumption that the analytical description of the correlation decay of diffusion can be achieved if the spatial profile of the detected volume obeys a three-dimensional Gaussian distribution. In the present Letter, the analytical result is instead proven for the fundamental Gaussian-Lorentzian profile. © 2007 Elsevier B.V. All rights reserved.
Original languageEnglish
Pages (from-to)227 - 230
Number of pages4
JournalChemical Physics Letters
Volume449
Issue number1-3
DOIs
Publication statusPublished - 26 Nov 2007

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All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)
  • Physical and Theoretical Chemistry

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