1. Department of Electrical and Computer Engineering, Texas A&M University, College Station, Texas 77843, USA
2. Biotechnology Branch, U.S. Army Combat Capabilities Development Command (DEVCOM), Army Research Laboratory (ARL), Adelphi, Maryland 20783, USA
3. Department of Biomedical Engineering, Texas A&M University, College Station, Texas 77843, USA
4. Department of Chemical Engineering, Texas A&M University, College Station, Texas 77843, USA