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My research focuses on the applications of
polymeric materials for the following: (I) dispersion and large area patterning of carbon nanotubes for Field Effect Transistors We have developed various parallel
soft-lithography-based patterning techniques to make long (~10μm) but
narrow (100nm) patterns of SWNTs. We have also
developed several surfactants that can effectively disperse or separate out
the metallic nanotubes from the semiconducting
tubes. (II) Carbon nanotube composites We have developed a novel reactive fiber
spinning technique to spin micro-scale fibers of thermosetting resins (such
as cyanate ester or epoxy) with aligned CNT
reinforcements to yield composites with improved mechanical properties. (III)
tissue
engineering of small diameter v ascular grafts We have developed a novel micropatterned biodegradable scaffold for alignment and
phenotype of vascular smooth muscle cells and their precursors. We are
interested in phenotype regulation by physical topology, growth factors, ECM
matrix and stress and the interplay of these. (IV) anti-microbial hydrogel materials We developed UV curable hydrogel
for easy coating of biomedical devices to decrease microbial adhesion and
growth. |