1. Department of Chemistry Fudan University Shanghai 200438 China
2. Cluster of Excellence livMatS @ FIT – Freiburg Center for Interactive Materials and Bioinspired Technologies University of Freiburg Georges-Köhler-Allee 105 79110 Freiburg Germany
3. Life Like Materials and Systems Department of Chemistry University of Mainz Duesbergweg 10–14 55128 Mainz Germany
4. Dana-Farber Cancer Institute Wyss Institute for Biologically Inspired Engineering Harvard Medical School Boston MA 02115 USA