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Stuart J. Williams, Ph.D.

WilliamsPhotoAssistant Professor
212 Sackett Hall
Research Website: Integrated Microfluidics Laboratory  


Ph.D. in Mechanical Engineering, Purdue University, 2009.
M.S. in Mechanical Engineering, University of Louisville, 2005.
B.S. in Mechanical Engineering, University of Louisville, 2005.

Research Interests

Fluid dynamics, micro- and nano-fluidics, particle image velocimetry (PIV), micro-electro-mechanical systems (MEMS), lab-on-a-chip systems, and colloidal self-assembly.  


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). This laboratory is well-versed in PIV and can obtain a picture of flow fields within micrometer-sized fluid channels. Our goal is to explore the fundamental physics associated with microfluidic hydrodynamics, electrokinetic mechanisms, and colloid-based phenomena and develop related applications involving enhanced engineered materials or point-of-care diagnostics. 

Scientific and Professional Societies

  • American Society of Mechanical Engineers (ASME)
  • American Physical Society (APS)
  • American Institute for Chemical Engineers (AIChE)
  • Biomedical Engineering Society (BMES)
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