Foldamers as Dynamic Receptors: Probing the Mechanism of Molecular Association between Helical Oligomers and Rodlike Ligands This research was funded by the National Science Foundation (Grant CHE 00-91931). A.T. acknowledges the support of the Japan Society for the Promotion of Science in the form of a Fellowship for Japanese Junior Scientists. The authors gratefully acknowledge Dr. Petr Kuzmic for customizing his program Dynafit to facilitate our data analysis.