Measuring nanoparticle flow with the image structure function

Dienerowitz, M., Lee, M., Gibson, G. and Padgett, M. (2013) Measuring nanoparticle flow with the image structure function. Lab on a Chip, 13(12), pp. 2359-2363. (doi: 10.1039/c3lc00028a)

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Publisher's URL: http://dx.doi.org/10.1039/c3lc00028a

Abstract

We present a technique to measure the velocity and flow profiles of a nanofluid in a microfluidic channel. Importantly, we extract the flow velocity from a series of standard brightfield images without employing particle tracking or laser-enhanced methods. Our analysis retrieves the flow information from the image structure function of sub-diffraction limited nanoparticles in suspension. We are able to spatially resolve the flow velocity and map out the parabolic flow profile across the width of a microfluidic channel.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Gibson, Dr Graham and Dienerowitz, Dr Maria and Lee, Mr Michael and Padgett, Professor Miles
Authors: Dienerowitz, M., Lee, M., Gibson, G., and Padgett, M.
College/School:College of Science and Engineering > School of Physics and Astronomy
Journal Name:Lab on a Chip
Publisher:Royal Society of Chemistry
ISSN:1473-0197
ISSN (Online):1473-0189

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