volume 56 issue 11 pages 863-869

Probe microrheology without particle tracking by differential dynamic microscopy

Publication typeJournal Article
Publication date2017-09-19
scimago Q2
wos Q2
SJR0.588
CiteScore5.0
Impact factor3.0
ISSN00354511, 14351528
Condensed Matter Physics
General Materials Science
Abstract
We present a new method for performing passive probe microrheology. Using a simple theoretical framework, we show how probes’ mean-squared displacements can be extracted by analyzing intensity fluctuations in optical microscopy videos via differential dynamic microscopy (DDM). Applying the method to optically dilute probes in Newtonian and viscoelastic fluids quantitatively reproduces mean-squared displacements extracted from multiple particle tracking (MPT), and exposes the relative strengths and weakness of DDM. Furthermore, DDM can be used to measure the mean-squared displcement in optically dense fluids where MPT fails, demonstrating that DDM can extend the range of microrheology experiments while circumventing many of the drawbacks of MPT.
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GOST |
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GOST Copy
Bayles A. V., Squires T. M., Helgeson M. E. Probe microrheology without particle tracking by differential dynamic microscopy // Rheologica Acta. 2017. Vol. 56. No. 11. pp. 863-869.
GOST all authors (up to 50) Copy
Bayles A. V., Squires T. M., Helgeson M. E. Probe microrheology without particle tracking by differential dynamic microscopy // Rheologica Acta. 2017. Vol. 56. No. 11. pp. 863-869.
RIS |
Cite this
RIS Copy
TY - JOUR
DO - 10.1007/s00397-017-1047-7
UR - https://doi.org/10.1007/s00397-017-1047-7
TI - Probe microrheology without particle tracking by differential dynamic microscopy
T2 - Rheologica Acta
AU - Bayles, Alexandra V
AU - Squires, Todd M
AU - Helgeson, Matthew E.
PY - 2017
DA - 2017/09/19
PB - Springer Nature
SP - 863-869
IS - 11
VL - 56
SN - 0035-4511
SN - 1435-1528
ER -
BibTex |
Cite this
BibTex (up to 50 authors) Copy
@article{2017_Bayles,
author = {Alexandra V Bayles and Todd M Squires and Matthew E. Helgeson},
title = {Probe microrheology without particle tracking by differential dynamic microscopy},
journal = {Rheologica Acta},
year = {2017},
volume = {56},
publisher = {Springer Nature},
month = {sep},
url = {https://doi.org/10.1007/s00397-017-1047-7},
number = {11},
pages = {863--869},
doi = {10.1007/s00397-017-1047-7}
}
MLA
Cite this
MLA Copy
Bayles, Alexandra V., et al. “Probe microrheology without particle tracking by differential dynamic microscopy.” Rheologica Acta, vol. 56, no. 11, Sep. 2017, pp. 863-869. https://doi.org/10.1007/s00397-017-1047-7.