Molecules for Gene Therapy -- Recent Progress in Non-viral Gene Delivery -- Physical Chemistry of DNA-Carrier Complexes -- Liposomes -- Polymeric Gene Carriers -- Development of a Supramolecular Nanocarrier for Gene Delivery Based on Cationic Block Copolymers -- Chitosan -- Dendrimers as DNA Carriers -- Use of Synthetic Peptides for Non-viral Gene Delivery -- An Oligonucleotide Carrier Based on…