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The Spinneret based Tunable Engineered Parameters (STEP) is a pseudo dry spinning technique that allows the deposition of nano-micron sized diameter fibers with user defined control of  diameter, spacing, and deposition angle.  Using the STEP technique, various polymers (polystyrene, polyurethane, poly(methyl methacrylate), poly(lactic-co-glycolic acid) can be deposited over a substrate to form highly aligned nanofibers with desired parameters. These fiber composites provide a unique platform for a wide range of biomedical applications such as studies of single cell behavior, tissue engineering, anti-bacterial surface designs, and wound healing.

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BMES 2012