S1 Influence of Amino Acid Side Chains on the Formation of Two Component Self-Assembling Nanofibrous Hydrogels Srinivasa Rao Nelli, Jhong-Hua Lin, Thi Ngoc Anh Nguyen, Dion Tzu-Huan Tseng, Satish Kumar Talloj and Hsin-Chieh Lin * Department of Materials Science and Engineering, National Chiao Tung University, Hsinchu, 30010, Taiwan, Republic of China E-mail: hclin45@nctu.edu.tw Supporting Information Contents Page Number 1. Synthetic routes for compounds 1-3 S2 2. Experimental Section S3 3. Transmission Electron Microscopy (TEM) Analysis S6 4. UV-Vis Absorption Spectra of 1-4 S7 5. Circular Dichroism (CD) S8 6. FT-IR spectra S9 7. Optimized Geometry of Dimers S9 8. 1 H NMR spectra S10 Electronic Supplementary Material (ESI) for New Journal of Chemistry. This journal is © The Royal Society of Chemistry and the Centre National de la Recherche Scientifique 2016