Attachment and detachment of particles from a surface under shear flow

Schwarze, Jana; Grunze, Michael; Karahka, Markus; Kreutzer, H.J.

doi:10.1021/acs.jpcc.8b08215

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Attachment and detachment of particles from a surface under shear flow

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Grunze, Michael
Cellular Biophysics, Max Planck Institute for Medical Research, Max Planck Society;

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https://pubs.acs.org/doi/10.1021/acs.jpcc.8b08215
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Citation

Schwarze, J., Grunze, M., Karahka, M., & Kreutzer, H. (2019). Attachment and detachment of particles from a surface under shear flow. The Journal of Physical Chemistry C, 123(13), 8153-8159. doi:10.1021/acs.jpcc.8b08215.

Cite as: https://hdl.handle.net/21.11116/0000-0002-E55A-7

Abstract

In a recent paper, we described a quantitative analysis of the detachment kinetics of beads adsorbed in a microfluidic system under laminar shear flow. In this paper, we extend this formalism to the kinetics of attachment with concurrent detachment under increasing shear flow, ramped up in a controlled time dependence. The motivation for this work is to provide a theoretical framework or tool that helps experimentalists to extract relevant parameters such as attachment and detachment rates. We also present a graphical method to simplify the extraction of the pre-exponential and activation energies for the attachment and detachment process.