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Welcome to the University of Louisville Integrated Microfluidic Systems Laboratory page! Research within this lab is focused on investigating micro- and nano-scale fluid phenomena. At this scale there are a number of phenomena that dictate hydrodynamic behavior that would normally be negligible in the macro-scale domain including thermal, optical, electrical, and capillary forces. These forces are utilized to design and fabricate novel microfluidic devices capable of a variety of tasks; some examples include (i) hydrodynamic pumping without moving parts, (ii) droplet generation, (iii) particulate trapping and/or sorting, (iv) biological characterization, and (v) self-assembly.

Microfluidic investigations are centered around Particle Image Velocimetry (PIV) techniques. This laboratory is well-versed in PIV and can obtain a picture of flow fields within micrometer-sized fluid channels.

Undergraduate and graduate researchers are welcome to join our research group. National and international collaborations are highly encourage, so please feel free to contact the laboratory director:

Stuart J. Williams, Ph.D.
stuart.williams at

New PhD position - Fall 2016!
A research position is available for incoming PhD students for Fall 2016. The research topic is on an application of dielectrophoresis for the analysis of single cells. Please email Dr. Williams directly for more information. More information can be found on our posting.

Graduate Research:

Dr. Williams is currently looking for well-qualified graduate students to conduct research for this group at the Ph.D. level. Email him for potential research positions in the lab.

Undergraduate Research:
Undergraduate (including high-school) researchers are always welcome to conduct research. Contact Dr. Williams to develop a research plan within a scope of your interests.

Reserve Microscope Usage:
Students and fellow researchers, schedule your time on the Nikon TiU inverted microscope in the laboratory here.
Image showing opto-electrokinetic generation of tetrahedron particle assemblies.
Image showing opto-electrokinetic generation of tetrahedron assemblies of 1.0 micrometer particles.



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