"Version: 20190301"--Title page verso."A Morgan & Claypool publication as part of IOP Concise Physics"--Title page verso.Includes bibliographical references.1. An introduction to drug/gene delivery systems -- 2. Smart nanostructures -- 2.1. Controlled gene delivery systems : the concept -- 3. Aptamer-based nanostructures -- 3.1. Aptamer-conjugated nanoparticles -- 4. Protein-based nanostructure…