title: Toward chemically controlled nanoscale molecular machinery.
authors.affiliation: Department of Chemistry and Biochemistry, University of California-Los Angeles, 405 Hilgard Avenue, Los Angeles, CA 90095-1569, USA.
authors.forename: Hsian-Rong
authors.initials: HR
authors.lastname: Tseng
authors.forename: Scott A
authors.initials: SA
authors.lastname: Vignon
authors.forename: J Fraser
authors.initials: JF
authors.lastname: Stoddart