title: pH-Controlled assembly and disassembly of a cryptand/paraquat [2]pseudorotaxane.
abstract: Strong complexation between a pyridine-containing cryptand and paraquat can be reversibly switched off (and back on) by adding acid (and then base).
authors: Department of Chemistry, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061-0212, USA.
authors: Feihe
authors: F
authors: Huang
authors: Karen A
authors: KA
authors: Switek
authors: Harry W
authors: HW
authors: Gibson