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Biomedical Optics Express

Biomedical Optics Express

  • Editor: Joseph A. Izatt
  • Vol. 1, Iss. 4 — Nov. 1, 2010
  • pp: 1148–1158

A Bayesian method for single molecule, fluorescence burst analysis

P. R. Barber, S. M. Ameer-Beg, S. Pathmananthan, M. Rowley, and A. C. C. Coolen  »View Author Affiliations


Biomedical Optics Express, Vol. 1, Issue 4, pp. 1148-1158 (2010)
http://dx.doi.org/10.1364/BOE.1.001148


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Abstract

There is currently great interest in determining physical parameters, e.g. fluorescence lifetime, of individual molecules that inform on environmental conditions, whilst avoiding the artefacts of ensemble averaging. Protein interactions, molecular dynamics and sub-species can all be studied. In a burst integrated fluorescence lifetime (BIFL) experiment, identification of fluorescent bursts from single molecules above background detection is a problem. This paper presents a Bayesian method for burst identification based on model selection and demonstrates the detection of bursts consisting of 10% signal amplitude. The method also estimates the fluorescence lifetime (and its error) from the burst data.

© 2010 OSA

OCIS Codes
(000.3860) General : Mathematical methods in physics
(180.0180) Microscopy : Microscopy
(180.1790) Microscopy : Confocal microscopy
(180.2520) Microscopy : Fluorescence microscopy

ToC Category:
Optical Biophysics

History
Original Manuscript: July 22, 2010
Manuscript Accepted: April 10, 2010
Published: October 12, 2010

Virtual Issues
November 12, 2010 Spotlight on Optics

Citation
P. R. Barber, S. M. Ameer-Beg, S. Pathmananthan, M. Rowley, and A. C. C. Coolen, "A Bayesian method for single molecule, fluorescence burst analysis," Biomed. Opt. Express 1, 1148-1158 (2010)
http://www.opticsinfobase.org/boe/abstract.cfm?URI=boe-1-4-1148


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