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Caltech

GALCIT Colloquium

Friday, October 10, 2025
3:00pm to 4:00pm
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Guggenheim 133 (Lees-Kubota Lecture Hall)
The fluid-structure interaction of nanoparticles
John Sader, Research Professor, Aerospace & Applied Physics, California Institute of Technology,

An understanding of the fluid-structure interaction of nanoparticles in Newtonian and non-Newtonian fluids is fundamental to many applications. In this talk, I will discuss three topics that explore this interaction: (1) the propulsion of nanoparticles immersed in an acoustic field; (2) use of the resonance properties of nanoparticles to interrogate the viscoelasticity of simple liquids; and (3) the induced motion of nanoparticles within resonant microfluidic devices.

For more information, please contact Scott Bollt by email at [email protected].