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Issue 17, 2009
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Microrheology with optical tweezers

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Microrheology is the study of the flow of materials over small scales. It is of particular interest to those involved with investigations of fluid properties within Lab-on-a-Chip structures or within other micron-scale environments. The article briefly reviews existing active and passive methods used in the study of fluids. It then explores in greater detail the use of optical tweezers as an emerging method to investigate rheological phenomena, including, for example, viscosity and viscoelasticity, as well as the related topic of flow. The article also describes, briefly, potential future applications of this topic, in the fields of biological measurement, in general, and Lab-on-a-Chip, in particular.

Graphical abstract: Microrheology with optical tweezers

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Publication details

The article was received on 21 Apr 2009, accepted on 27 May 2009 and first published on 15 Jun 2009

Article type: Critical Review
DOI: 10.1039/B907992K
Citation: Lab Chip, 2009,9, 2568-2575
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    Microrheology with optical tweezers

    A. Yao, M. Tassieri, M. Padgett and J. Cooper, Lab Chip, 2009, 9, 2568
    DOI: 10.1039/B907992K

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