1. A.J. Drexel Nanomaterials Institute and Department of Material Science and Engineering, Drexel University, 3141 Chestnut St., Philadelphia 19104, PA, USA
2. Center for Functional Fabrics, Drexel University, 3141 Chestnut St., Philadelphia 19104, PA, USA
3. Accenture Labs, 415 Mission St. Fl. 34, San Francisco 94105, CA, USA