Intro -- Abstract -- Populärvetenskaplig sammanfattning -- List of Publications -- Abbreviations -- Polypeptide and polymer abbreviations -- Amino acids -- Contents -- Acknowledgments -- Chapter 1 Introduction -- Chapter 2 Self-assembly and supramolecular materials -- Chapter 3 Amino acids, peptides and peptide structure -- Chapter 4 Polypeptide design and synthesis -- Chapter 5 Synthesis of polypeptide-hybrids -- Chapter 6 Superstructures, polymeric networks and hydrogels -- Chapter 7 Characterization techniques -- Chapter 8 Summary of papers -- Chapter 9 Conclusions and future outlook -- Bibliography.