Porous Capsules Allow Pore Opening and Closing That Results in Cation Uptake

Popping corks: The protonated urea ions (C black, N/O green) that cork the pores of a polyoxomolybdate capsule (Mo blue, O red) can be reversibly removed allowing the entry of Ca2+ ions (pink) into the capsule. This process resembles the functioning of gated calcium channels in cell membranes.

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Bibliographic Details
Published in:Angewandte Chemie International Edition 2005-12, Vol.44 (47), p.7757-7761
Main Authors: Müller, Achim, Toma, Liviu, Bögge, Hartmut, Schäffer, Christian, Stammler, Anja
Format: Article
Language:English
Subjects:
calcium
Calcium - chemistry
Cations
Crystallography, X-Ray
ion transport
Kinetics
Models, Biological
Models, Molecular
molybdenum
Molybdenum - chemistry
Nanostructures - chemistry
polyoxometalates
Porosity
porous capsules
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Description
Summary:Popping corks: The protonated urea ions (C black, N/O green) that cork the pores of a polyoxomolybdate capsule (Mo blue, O red) can be reversibly removed allowing the entry of Ca2+ ions (pink) into the capsule. This process resembles the functioning of gated calcium channels in cell membranes.
ISSN:1433-7851
1521-3773
DOI:10.1002/anie.200502202