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My primary research lies in the area of thermofluids with emphasis on interfacial effects. The
basic strategy of my research is to synthesize thermofluid
theory with electrokinetic transport phenomena
and colloid and interfacial science and to
apply them to transport phenomena associated with colloidal particle
dispersion, liquid-fluid interfaces and solid-liquid interfaces. I studied
the attachment of microbubbles from a hydrodynamic flow onto solid surfaces
having different surface wetting characteristics (e.g., hydrophilic and
hydrophobic) using a unique and well-controlled flow deposition technique.
I also developed a microelectrophoresis-based
system to measure the electrokinetic potential of
microbubbles in aqueous solutions. Currently, other than conducting
fundamental research on liquid flow and heat transfer in microchannels with electrokinetic
effects, AC driven electroosmotic flow in microchannels,
electroosmotic flow in porous media, electrokinetic
transport of colloidal particles and droplets, nanofluids
heat transfer, and Joule heating effects on capillary electrophoresis,
my research group is working on the development of numerous
high-performance on-chip microfluidic devices; electrokinetic
micropump, surface tension driven capillary pump,
electrokinetic micromixers, electrophoretic
separator, dielectrophoresis based particle
separator and sorter, and lab-on-a-chip for cell analysis are just few to
name. Applications can be found in many areas of applied science and
engineering including Lab-on-a Chip (or BioMEMS) design and development,
control of fouling membrane, and cooling of microelectronic devices.
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- Development of novel microfluidic devices for electrokinetic pump, separator and
micromixer
- Thermal aspects of electroosmotic flow and
capillary electrophoresis in BioMEMS
- Microchannel flow and heat transfer
- Colloidal particle interaction, transport ,and
deposition
- Manipulation of charged particles and
droplets in microchannels by electrophoresis
and dielectrophoresis for cell separation
and sorting
- Analytical solute injection, transport, mixing and
separation processes in a microchannel network
- Wetting, spreading, and capillary phenomena
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Graduated PhD Students under my supervision and
co-supervision: KANG Yue Jun; TANG Gong Yue; Harikrishnan Narayanan UNNI; YAN De Guang; Sohel M.S. MURSHED; GAO Yan Dong; ZHANG Ya Li; KUA Chin
Hock; GUAN Cong; Lewriyawong NUTTAWUT; GE Zheng
Wei; ZHAO Cun Lu; WANG Sha Sha;
PHAN Vinh Nguyen; HE Jin Hua; LIANG Qian; HON Kar
Cherng; ZHOU Yi; JIAO Yan Mei; ZHAO Yu Gang; PHAN
Dinh Tuan; YAN Zhi Bin; TOH Guek Geok, Alicia; SHANG Xiao Peng; Reza
MOLOUDI
Graduated Master’s Students under my supervision and
co-supervision: LEU Yen Ling; MARCOS; Mohammed
ASHRAF; Milad RADIOM; HO
Jin Yao; LEE Yoke San; Chetan SHIVAIAH
Ongoing Ph.D.
students (main supervision): PERERA
ADHIKARIGE TANIYA KAUSHALYA; PUDASAINI SANAM; ZHANG Hui; ZHU Fangqi; SYED SHAHEER UDDUN AHMED; ZHU Zhibing
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