Microrheology with optical tweezers

Tassieri, M. and Evans, R.M.L. and Warren, R. and Bailey, N. and Cooper, J. (2015) Microrheology with optical tweezers. [Data Collection]

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We present a data analysis procedure that provides the solution to a long-standing issue in microrheology studies, i.e. the evaluation of the fluids' linear viscoelastic properties from the analysis of a finite set of experimental data, describing (for instance) the time-dependent mean-square displacement of suspended probe particles experiencing Brownian fluctuations. We report, for the first time in the literature, the linear viscoelastic response of an optically trapped bead suspended in a Newtonian fluid, over the entire range of experimentally accessible frequencies. The general validity of the proposed method makes it transferable to the majority of microrheology and rheology techniques.

College / School: College of Science and Engineering > School of Engineering > Biomedical Engineering
Date Deposited: 26 Mar 2015 15:11
Enlighten Publications URL: http://eprints.gla.ac.uk/102580/
Retention date: 26 March 2025
Funder's Name: Engineering & Physical Sciences Research Council (EPSRC)
URI: http://researchdata.gla.ac.uk/id/eprint/156

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Tassieri, M. and Evans, R.M.L. and Warren, R. and Bailey, N. and Cooper, J. (2015); Microrheology with optical tweezers

University of Glasgow

10.5525/gla.researchdata.156

Retrieved: 2017-09-22

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