title: Non-covalent self assembly controls the relaxivity of magnetically active guests.
abstract: The relaxivity of a magnetically responsive Gd complex can be controlled by non-covalent molecular recognition with a water-soluble deep cavitand. Lowered relaxivity is conferred by a self-assembled micellar "off state", and the contrast can be regenerated by addition of a superior guest.
authors.affiliation: Loker Hydrocarbon Research Institute and Department of Chemistry, University of Southern California, Los Angeles, California 90089-1661, USA. travisw@usc.edu.
authors.forename: Vincent
authors.initials: V
authors.lastname: Li
authors.forename: Yoo-Jin
authors.initials: YJ
authors.lastname: Ghang
authors.forename: Richard J
authors.initials: RJ
authors.lastname: Hooley
authors.forename: Travis J
authors.initials: TJ
authors.lastname: Williams
mesh_terms: D004988:Ethers, Cyclic / Q000737:chemistry; D005682:Gadolinium / Q000737:chemistry*; D060328:Magnetic Phenomena; D012118:Resorcinols / Q000737:chemistry; D012995:Solubility; D014867:Water / Q000737:chemistry
chemical_list: D004988:Ethers, Cyclic; D012118:Resorcinols; C442939:cavitand; D014867:Water; D005682:Gadolinium