Projects

The following are examples of past projects conducted by lab members. These projects involved significant teamwork, but for brevity only the primary project leader and year of completion are listed below. Current research continues in the areas of electrofluidic display technology and high-intensity focused ultrasound (HIFU) ablation, with more recent studies expanding into droplet-based digital microfluidics (DMF).

Electrophoretic displays (EPD) and microporous media flow

  • Effect of nanodroplet ink concentration on switching response of reverse-emulsion electrophoretic displays (W. K. Wang, 2013).
  • Lateral ink mobility and fringe field effects across the porous matrix of an electrophoretic display (K. Li Tsui, 2013).
  • Thin porous substrate using bonded particles for reverse-emulsion electrophoretic displays (M. Ahumada, 2012).

High-intensity focused ultrasound (HIFU) and tissue-mimicking materials

  • Effect of mechanical compression on thermal characteristics of tissue-mimicking material (B. Hoang, 2014).
  • Effects of compression on the temperature distribution of a tissue-mimicking material during HIFU ablation (A. Roth, 2013).

Fluid-structure interaction (FSI) and compliant 

  • Fluid-structure interaction and wall shear stress in arteriovenous flow (B. Hutto, 2014).
  • Micropneumatic force transmission and fluid displacement in compliant structures (S. Betancourt, 2013).
  • Characterization of process variability in plasma roughening of SU-8 photoresist (N. Oruganti, 2011).
  • Equivalent circuit modeling of microflow stabilization through compliant microchannels (P. Morris, 2010).
  • Effects of wall compliance on pulsatile flow attenuation in microchannels (J. K. Goh, 2010).
  • Boundary condition effects on the deflection of elastomer membrane microactuators (A. Ahmad, 2009).
  • Fatigue related reliability analysis of laterally-deflecting elastomer membranes (S. Lorenson, 2007).
  • Process optimization of high-aspect-ratio deformable structures by soft lithography (S. Wan, 2007).
  • Experimental studies on the effects of geometric parameters in a planar pneumatic microvalve (J. Maung, 2006).
  • Mechanics of deformable elastomer membranes for a planar pneumatic microvalve (J. Chan, 2005).

Microchannel surface modification and separation processes

  • Hydrophobic recovery of plasma treated polymethylhydrosiloxane for electroosmotic flow (M. Kapil, 2009).
  • Mechanical behavior of polymethylhydrosiloxane for microfluidic chip applications (M. Vijay, 2009).
  • Surface area enhancement of polymethylhydrosiloxane for microchannel bioseparations (E. Ghandehari, 2008).
  • Optimization of plasma bonding for polymethylhydrosiloxane microfluidic chips (S. Kowsalya Manickam, 2008).
  • Precision optical alignment for UV detection in planar microfluidic chips (P. Saikomol, 2007).
  • Investigation of electroosmotic flow velocity in roughened fused silica capillaries (S. Mantha, 2006).
  • Fabrication of microchannels for planar capillary electrokinetic chromatography (S. Shirke, 2004).

Other MEMS, microfluidics, and microfabrication projects

  • Temperature uniformity of a hot plate heat spreader for wafer processing (E. Wong, 2013).
  • Design and structural analysis of a multiport microfluidic interface (D. Philippidis, 2008).
  • Finite element study of geometric wafer modification to reduce thermal mismatch curvature (D. Duraipandi, 2007).
  • Development, simulation, and testing of a piezoresistive silicon pressure sensor (K. Tantanasiriwong, 2007).
  • Development of a surface-micromachined aluminum process with sacrificial oxide (S. Verma, 2006).
  • Cap wafer design for reducing thermal mismatch curvature in wafer bonding (A. Goli, 2005).
  • Design and fabrication of a micro rack-and-pinion mechanism (H. Ratia, 2004).
  • Precision mounting of a wafer bond frame (K. Van, 2004).
  • Design concepts for directed-exit flow in micro fuel cells (W. Shi, 2004).