title: Photoresponsive supramolecular complexes as efficient DNA regulator.
abstract: Two supramolecular complexes of trans-1⊂CB[8] and trans-2⊂CB[8] were successfully achieved by the controlled selective complexation process of cucurbit[8]uril (CB[8]) with hetero-guest pair containing azobenzene and bispyridinium moieties in aqueous solution, exhibiting the reversibly light-driven movements of CB[8] upon the photocontrollable isomerization of azophenyl axle components. Significantly, the obtained bistable supramolecular complexes and their corresponding [2]pseudorotaxanes could act as a promising concentrator and cleavage agent to regulate the binding behaviors with DNA molecules.
authors.affiliation: Department of Chemistry, State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Collaborative Innovation Center of Chemical Science and Engineering, Tianjin 300071, P. R. China.
authors.forename: Hong-Bo
authors.initials: HB
authors.lastname: Cheng
authors.affiliation: Department of Chemistry, State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Collaborative Innovation Center of Chemical Science and Engineering, Tianjin 300071, P. R. China.
authors.forename: Ying-Ming
authors.initials: YM
authors.lastname: Zhang
authors.affiliation: Department of Chemistry, State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Collaborative Innovation Center of Chemical Science and Engineering, Tianjin 300071, P. R. China.
authors.forename: Chao
authors.initials: C
authors.lastname: Xu
authors.affiliation: Department of Chemistry, State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Collaborative Innovation Center of Chemical Science and Engineering, Tianjin 300071, P. R. China.
authors.forename: Yu
authors.initials: Y
authors.lastname: Liu
mesh_terms: D001391:Azo Compounds / Q000737:chemistry; D002151:Calorimetry; D004247:DNA / Q000737:chemistry*; D008027:Light; D046911:Macromolecular Substances / Q000737:chemistry*; D018625:Microscopy, Atomic Force; D043862:Rotaxanes / Q000737:chemistry
chemical_list: D001391:Azo Compounds; D046911:Macromolecular Substances; D043862:Rotaxanes; D004247:DNA; C009850:azobenzene