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My Research: CV

POST-DOCTORAL ASSOCIATE   

Developing bio-inspired GI tissue adhesion structure for capsule cargo via high-resolution 3D printing.

Designing pill-sized ingestible device for drug delivery and device implantation in GI tract.

Fabricating capacitive biomarker sensors and 3-D printed packaging under the regulatory guidelines.

Preparing research grant proposals and organizing convergent workshops and meetings.

PH.D. / RESEARCH ASSISTANT

Carbon-nanomaterial optimization                                                                

Used an electrical graphitization process (fusion) to generate covalent linkages for mechanical improvements in macroscopic carbon nanotube (CNT) networks.

  • Systematically decoupled underlying influences of fusion energy delivery and power on both graphitization and Joule heating defects in CNT yarns by tuning process parameters.

  • Demonstrated improved mechanical properties (linear strength +45%, stiffness +23%).

  • Collaborated with multidisciplinary teams to accelerate development with data mining.

  • Developed out-of-plane tearing test and characterized tearing mechanics of CNT rovings.

  • Assisted in research proposal preparation; proposal received $1.4M funding from NSF-DMREF program in 2014.

 

Mini scale torsional test system design                                                         

Designed torsional actuated systems to characterize CNT torsional springs

  • Built a 1 N-μm level torsion tester to measure CNT springs, saved 80% of the cost.

  • Defined torsional loading mechanics of CNT yarns for the first time.

  • Demonstrated CNT spring-enabled high energy and power density regenerative braking systems (3 kJ/kg, 1 kW/kg).

 

Piezoelectric actuator design                                                                           

Designed a piezoelectric actuator for a resealable, ultra-low leak micro valve

  • Optimized a compact, curved PZT actuator via analytical modeling and FEA.

  • Unlocked a new actuation mechanism of curved bimorph actuators.

  • Improved displacement and force by 100% and enabled the functions of a micro valve.

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