[1] Delft Univ Technol, Bionanosci, Delft, Netherlands
[2] NYU, Dept Phys, New York, NY 10003 USA
[3] NYU, Ctr Soft Matter Res, New York, NY USA
[4] Bar Ilan Univ, Dept Phys, Ramat Gan, Israel
[5] Bar Ilan Univ, Inst Nanotechnol & Adv Mat, Ramat Gan, Israel