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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

RA Position:
New: Dr. Williams is currently looking for a well-qualified graduate student to conduct research for this group at the Ph.D. level. The research position is related to colloidal-based research to be conducted on the International Space Station. Read more about the research announcement here from UofL Today.

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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