title: Porous inorganic capsules in action: modelling transmembrane cation-transport parameter-dependence based on water as vehicle.
abstract: Insight into basic principles of cation transport through "molecular channels", and especially details of the related fundamental H2O vehicle function, could be obtained via7Li NMR studies of the Li+ uptake/release processes by the unique porous nanocapsule [{(MoVI)MoVI5O21(H2O)6}12{MoV2O4(SO4)}30]72- which behaves as a semi-permeable inorganic membrane open for H2O and small cations; channel traffic as well as internal cavity distribution processes show a strong dependence on "environmental" effects such as exerted by solvent properties, the amount of water present, and competing complexing ligands, and end up in a complex equilibrium situation as in biological leak channels.
authors.affiliation: Institut für Anorganische und Angewandte Chemie der Universität, D-20146, Hamburg, Germany. erhard.haupt@chemie.uni-hamburg.de
authors.forename: Erhard T K
authors.initials: ET
authors.lastname: Haupt
authors.forename: Claudia
authors.initials: C
authors.lastname: Wontorra
authors.forename: Dieter
authors.initials: D
authors.lastname: Rehder
authors.forename: Achim
authors.initials: A
authors.lastname: Müller
mesh_terms: D027682:Cation Transport Proteins / Q000737:chemistry*; D008958:Models, Molecular; D019906:Nuclear Magnetic Resonance, Biomolecular; D014867:Water / Q000737:chemistry
chemical_list: D027682:Cation Transport Proteins; D014867:Water