1. The Louis and Beatrice Laufer Center for Physical and Quantitative Biology, Stony Brook University, Stony Brook, New York 11794, USA;
2. Department of Physics and Astronomy, Stony Brook University, Stony Brook, New York 11794, USA
3. Department of Biomedical Engineering, Stony Brook University, Stony Brook, New York 11794, USA
4. Department of Chemistry, Stony Brook University, Stony Brook, New York 11790, USA