Duy Le recently published a paper in Advanced Materials in collaboration with Kam Leong of Duke University entitled “Dynamic Topographical Control of Mesenchymal Stem Cells by Culture on Responsive Poly(ϵ-caprolactone) Surfaces.”  In this paper, the shape memory abilities of a star-shaped poly(ε-caprolactone) (PCL) were exploited for use in dynamic cell culture.  Cell-topography interactions can influence many [...]...
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Hayden Black recently published a paper in Organic Letters entitled “Synthesis, Crystal Structures, and Electronic Properties of Nonlinear Fused Thienoacene Semiconductors.”  He investigated fused polycyclic aromatic compounds, which have recently come to the forefront of organic semiconductor research due to their charge mobilities.  Thienoacenes in particular have emerged as high performance semi conductor materials due to [...]...
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Organic semiconductors (OSCs) are attractive for inexpensive fabrication of electronic devices such as field effect transistors (FETs), light emitting diodes, and photovoltaic cells. Through investigating structure property relationships we aim to synthesize new materials with improved charge mobilities and better device performance. Research includes synthesis, materials characterization, and transistor fabrication....
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Present research includes a significant interest in shape memory polymers.  Shape memory polymers (SMPs) are a class of smart materials that can change their shape in a predetermined fashion when exposed to the appropriate external stimulus. In the SMP field, three areas of present research in the Ashby group include the study of micro- and nanotopography [...]...
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Our research group focuses on the design and synthesis of novel polymeric materials.  We utilize unique approaches to address the continued need for new materials with advanced properties. In line with these priorities, the research has explored a broad range of topics from polymer/quasicrystal composites to high performance polymers to functionalized elastomers to our newest interests, functionalized biomaterials and electronic materials.