Sequence-Controlled Stimuli-Responsive Single–Double Helix Conversion between 1:1 and 2:2 Chloride-Foldamer Complexes

The primary sequence in biopolymers carries the information to direct folded secondary structures, to modulate their stabilities, and to control the resultant functions. Our ability to encode such information into nonbiological oligomers and polymers, however, is still limited. Here, we describe a C