1 Institute of Quantitative Biology, Zhejiang University, Hangzhou 310058, China. rz24@columbia.edu and Department of Chemistry, Columbia University, New York, NY 10027, USA.
2 Max Planck Institute of Colloids and Interfaces, Department of Theory and Bio-Systems, Science Park Golm, Potsdam, Germany. Thomas.Weikl@mpikg.mpg.de.
3 National Laboratory of Solid State Microstructures and Department of Physics, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210093, China. myqiang@nju.edu.cn.