Angewandte Chemie selected 12 best review papers published in 2004. These papers were re-published in the special issue of Angewandte Chemie (German version). Our review paper: E. Katz, I. Willner, Integrated nanoparticle-biomolecule hybrid systems: Synthesis, properties and applications, Angew. Chem. Int. Ed. 2004, 43, 6042-6108 was selected for this special issue with the rating No. 3.