Brian Wisner, Ohio University, Athens, OH 45701, USA; Simona E. Hunyadi Murph, Savannah River National Laboratory, Aiken, SC 29803, USA; Ioannis N. Mastorakos, Clarkson University, Potsdam, NY 13699, USA; Muralidharan Paramsothy, NanoWorld Innovations, Singapore 368931, Singapore