In:
Angewandte Chemie, Wiley, Vol. 128, No. 24 ( 2016-06-06), p. 7001-7005
Abstract:
An actinyl peroxide cage cluster, Li 48+ m K 12 (OH) m [UO 2 (O 2 )(OH)] 60 (H 2 O) n ( m ≈20 and n ≈310; U 60 ), discriminates precisely between Na + and K + ions when heated to certain temperatures, a most essential feature for K + selective filters. The U 60 clusters demonstrate several other features in common with K + ion channels, including passive transport of K + ions, a high flux rate, and the dehydration of U 60 and K + ions. These qualities make U 60 (a pure inorganic cluster) a promising ion channel mimic in an aqueous environment. Laser light scattering (LLS) and isothermal titration calorimetry (ITC) studies revealed that the tailorable ion selectivity of U 60 clusters is a result of the thermal responsiveness of the U 60 hydration shells.
Type of Medium:
Online Resource
ISSN:
0044-8249
,
1521-3757
DOI:
10.1002/ange.v128.24
DOI:
10.1002/ange.201601852
Language:
English
Publisher:
Wiley
Publication Date:
2016
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