title: Contra-Hofmeister anion extraction by cyclosteroidal receptors.
abstract: Steroid-based receptors with enclosed binding sites, formed from quaternary ammonium and macrocyclic bis-urea units, can substantially override the Hofmeister series in anion phase transfer experiments.
authors.affiliation: School of Chemistry, University of Bristol, Cantock's Close, Bristol BS8 1TS, UK.
authors.forename: Adam L
authors.initials: AL
authors.lastname: Sisson
authors.forename: John P
authors.initials: JP
authors.lastname: Clare
authors.forename: Anthony P
authors.initials: AP
authors.lastname: Davis