Chiral Recognition in Bis-Urea-Based Aggregates and Organogels through Cooperative Interactions This work was supported by the Dutch Foundation for Scientific Research (NWO). The Royal Netherlands Academy of Sciences is gratefully acknowledged for a fellowship to J.v.E
1 Department of Organic and Molecular Inorganic Chemistry Stratingh Institute, University of Groningen Nijenborgh 4, 9747 AG Groningen (The Netherlands).