Virtual Seminar"Orientational dynamics of Brownian elongated and chiral particles in microchannel flow"Andreas Zöttl


Wednesday, March 10, 2021 - 16:30




Micro/Bio/Nanofluidics (Shen) Unit would like to invite you to the virtual seminar by Dr. Andreas Zöttl  on March 10th (Wednesday).
Date: Wednesday, March 10th, 2021
Time: 16:30-17:30
**Zoom session

*Zoom information

Topic: Zottl's zoom seminar
Time: Mar 10, 2021 04:30 PM Osaka, Sapporo, Tokyo

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Meeting ID: 923 7794 8359
Passcode: 366669


Dr. Andreas Zöttl
Technische Universität Wien


Orientational dynamics of Brownian elongated and chiral particles in microchannel flow


Understanding the rotational dynamics of non-spherical microscopic particles in microchannel flow is nontrivial due to the interplay of rotational Brownian motion and orientation-dependent response to shear. We will first discuss how the dynamics of Brownian rods deviates from the classical non-Brownian Jefferey dynamics, and how the orientational persistence can be quantified. Furthermore, we will show how chiral elongated particles break the left-right orientational symmetry in the channel and discuss recent experimental and theoretical investigations on flowing micro-printed helices attached to a spherical head. Finally we will consider the consequence on active particles such as swimming E coli bacteria in bulk and in the presence of walls.


Prof. Amy Shen

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