title: Membership rules for a molecular box: the admission process and protection provided to guest molecules.
authors.affiliation: Department of Chemistry, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA.
authors.forename: Sodio C N
authors.initials: SC
authors.lastname: Hsu
authors.forename: Maya
authors.initials: M
authors.lastname: Ramesh
authors.forename: James H
authors.initials: JH
authors.lastname: Espenson
authors.forename: Thomas B
authors.initials: TB
authors.lastname: Rauchfuss