Levich Institute Seminar Announcement, 02/20/2007

Tuesday, 02/20/2007
4:00 PM
Mudd Building, Room 825
Columbia University
500 West 120th Street

Professor Howard Stone
Harvard University
Engineering and Applied Sciences

"Microfluidic Studies of Multiphase Flows and Cellular-Scale Dynamics"


[This is a CCNY/Columbia NSF-IGERT Soft Materials seminar to be held at Columbia University - 500 W. 120th Street, 825 Mudd Building]

ABSTRACT


The ability to transport and manipulate fluids on the scale of hundreds of microns and smaller has triggered a wide range of scientific investigations and technological applications. Here we provide two examples of our work in this area. First, we consider cellular-scale hydrodynamics including the movement and drift of deformable cells, which lead to nonuniform cellular concentrations in a flow. Also, we describe our recent efforts to characterize the mechanical response of cells during continuous flow in microchannels comparable to the cell size, including measuring the extra pressure drop produced by a single cell. Then, we consider some multiphase flow problems including the formation and motion of bubbles and drops and the formation and properties of colloidal shells consisting of a monolayer of particles on the surfaces drops and bubbles.