Open Microfluidics
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Open Microfluidics
Thu, 23/06/2022 - 11:00
Location:
Speaker:
Jean Berthier
Affiliation:
University of Washington
Synopsis:
Open microfluidics is a rapidly evolving branch of microfluidics where fluids are manipulated by capillary forces in channels lacking physical walls on all sides. Jean Berthier will give a master course in the static and dynamic aspects of open microfluidics and some perspectives. A detailed programme of the lecture is below:
Presentation
• Introduction: The place of open microfluidics in the microfluidic domain
• Some examples for different applications
• Static aspects:
• SCF condition for uniform cross section channels, the generalized Cassie angle
• SCF in diverging channels
• Capillary filaments, the Concus-Finn condition
• Slightly pressurized microflows
• Dynamic aspects
• Inertial capillary flow
• Viscous phase: Bosanquet/Lucas/Washburn law
• The average friction length
• Bifurcations
• Networks
• Capillary pumping
• Dynamics in converging/diverging open channels
• Two-phase open microflows
• Motion of plugs
• Capillary wagons
• Bypasses
• Perspectives
Biography:
Jean Berthier is currently with the University of Washington, in Seattle, USA. He received a MS in mathematics from the University of Grenoble, France, an engineering diploma from the Institut National Polytechniquein Grenoble and a PhD from the University Pierre et Marie Curie in Paris. After spending four years at Sandia and Los Alamos National laboratories focused on the rapid interactionsbetween liquid and gases, he joined first the CEA-Leti in Grenoble, for the development of EWOD-based systems and liquid–liquid extractiondevices. He is now atthe Universityof Washington in Seattle, involved in the development of capillary solutions for portable point-of-care devices. In the last years he focused on thetheoretical developments of “Open Microfluidics” theory. He is author of the books“Microfluidics for Biotechnology” (Artech House, second edition 2010), “Microdrops and Digital Microfluidics” (Elsevier, second edition 2012), “The physics of Micro-Droplets”,“Open Microfluidics” (Scrivener-Wiley,2012 and 2016), and recently “Open-channel Microfluidics” (Morgan & Claypool, IOP collection, 2019). He is also the author of many publications in scientific journals, conferences articles andpatents.