Preface 1. Nanostructured Macromolecules (Russo/Fratoddi/Venditti) 2. Macromolecular Systems With Second Order Nonlinear Optical Properties (Centore/Roviello) 3. Macromolecular Systems With Nonlinear Optical Properties: Optical Characterization and Devices (Prosposito/De Matteis) 4. Functional and Nanostrucutred Materials Investigated by XPS and NEXAFS Spectroscopies (Polzonetti/Battocchio) 5. Hybrid Systems Biomolecule-Polymeric Nanoparticle: Synthesis, Properties and Biotechnological Applications (Palocci/Chronopoulou)