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Université de Bordeaux
LabEx AMADEusCluster of Excellence
Cluster of excellence

AMADEus Seminar - Prof. Susan J. Muller - Friday 20 June 2014, 02:15 pm - Amphi CRPP

le vendredi 20 juin 2014 à 14h15

Susan J. Muller

Professor of Chemical and Biomolecular Engineering

Dept of Chemical and Biomolecular Engineering

University of California, Berkeley, USA

Microfluidic flows of complex fluids: challenges and opportunities

Dernière mise à jour mardi 27 mai 2014
AMADEus Seminar - Prof. Susan J. Muller - Friday 20 June 2014, 02:15 pm - Amphi CRPP

The small length scale associated with microfluidics make these devices uniquely suited for a range of studies, including mixing in low Reynolds number-high Peclet number flows, the stability of high Elasticity number flows, the dynamics of individual microscale objects, and migration of particles and vesicles in suspensions. In this talk, I will briefly review work we have done to leverage the unique properties of microfluidic flows and complex fluids, including those topics indicated above. Microfluidic stagnation point flows have been of special interest, including cross-slot devices and microfluidic four roll mills, which have been designed to trap, manipulate, and analyze genomic DNA, particles, drops, capsules, and vesicles. Using these devices, we have demonstrated DNA target sequence detection, site-specific single molecule kinetic analysis of DNA-enzyme interactions, and measurements of the kinetics of polymer-salt induced DNA compaction. More recently, we have extended these studies to single capsules and vesicles, where our interests include measuring membrane properties through controlled deformations, and subsequent studies of migration in channel flows of suspensions of particles of controlled size, deformability, and shape.

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