Book excerpt: This protocol book presents reproducible and step-by-step procedures for the peptide synthesis, their characterization and applications. The volume includes an introductory section on in silico modelling of new peptide molecules, Molecular Dynamics Simulations, Docking, Electrostatic fingerprinting of peptides, and other modelling tools for peptide designing and optimization. Further, it covers protocols for the solid phase peptide synthesis, chromatographic and mass spectrometric characterization of peptides. Importantly, it covers methods for biophysical characterizations of peptides for their potential applications as drug delivery vehicles, peptide nano-assembly, bionanocatalysis, protein aggregation diseases, and peptide-based anti-bacterial. ​