“Gating” the Pores of a Metal Oxide Based Capsule: After Initial Cation Uptake Subsequent Cations Are Found Hydrated and Supramolecularly Fixed above the Pores | Zendy

Müller Achim | Zendy; Zhou Yunshan | Zendy; Bögge Hartmut | Zendy; Schmidtmann Marc | Zendy; Mitra Tamoghna | Zendy; Haupt Erhard T. K. | Zendy; Berkle Alois | Zendy

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“Gating” the Pores of a Metal Oxide Based Capsule: After Initial Cation Uptake Subsequent Cations Are Found Hydrated and Supramolecularly Fixed above the Pores

Author(s) -

Müller Achim,

Zhou Yunshan,

Bögge Hartmut,

Schmidtmann Marc,

Mitra Tamoghna,

Haupt Erhard T. K.,

Berkle Alois

Publication year - 2006

Publication title -

angewandte chemie international edition

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.831

H-Index - 550

eISSN - 1521-3773

pISSN - 1433-7851

DOI - 10.1002/anie.200501994

Subject(s) - gating , capsule , chemistry , ion , oxide , metal , surface charge , metal ions in aqueous solution , chemical engineering , biophysics , organic chemistry , botany , biology , engineering

Artificial cells : A polyoxomolybdate capsule, in which the cavity is linked to surface pores by channels, can take up Pr 3+ ions. Each uptake reduces the negative charge on the capsule so that eventually no more Pr 3+ ions enter the capsule, instead they remain bound on the surface (see structure: external hydrated Pr 3+ green polyhedra, encapsulated Pr 3+ light green, Mo blue, O red, SO 4 2− yellow). This process models voltage gating of the ion channels of cells.

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