1. Magnetism, magnetic materials and nanoparticles Adrian Ionescu, Justin Llandro and Kurt R. A. Ziebeck; 2. Preparation of magnetic nanoparticles for applications in biomedicine Pedro Tartaj, Sabino Veintemillas-Verdaguer, Teresita Gonzalez-Carreño and Carlos J. Serna; 3. Magnetic nanoparticle functionalisation Justin J. Palfreyman; 4. Manipulation Donglei Fan, Chia-Ling Chien, Thomas Schneider and Urs O. Häfeli; 5. Modeling the in-flow capture of magnetic nanoparticles Bart Hallmark, Nicholas J. Darton and D. Pearce; 6. Sensing magnetic nanoparticles Adarsh Sandhu, Paul Southern, Susana Cardoso, Simon Knudde, Filipe A. Cardoso, Paulo P. Freitas and Galina V. Kurlyandskaya; 7. Magnetic nanoparticles for MRI contrast agents Nohyun Lee and Taeghwan Hyeon; 8. Magnetotactic bacteria and magnetosomes Dennis A. Bazylinski and Denis Trubitsyn.