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8 results on '"Chiad, Khalid"'

1. Persistently folded circular aromatic amide pentamers containing modularly tunable cation-binding cavities with high ion selectivity

Author

Bo Qin, Changliang Ren, Ruijuan Ye, Chang Sun, Chiad, Khalid, Xiuying Chen, Zhao Li, Feng Xue, Haibin Su, Chass, Gregory A., and Huaqiang Zeng

Subjects
Amides -- Chemical properties, Amides -- Electric properties, Lithium compounds -- Chemical properties, Lithium compounds -- Electric properties, Sodium compounds -- Chemical properties, Sodium compounds -- Electric properties, Chemistry
Abstract

A newly designed strategy that allows to systematically tune interior properties such as effective cavity size, steric crowdedness and hydrophobicity contained within a novel class of shape-persistent aromatic pentamers is described. The finely tunable structural features are complimented by experimentally observable functional variations in ion-binding potential of three circular pentamers for Li(+), Na(+), K(+), Rb(+), and Cs(+).

Published
2010

2. Persistently Folded Circular Aromatic Amide Pentamers Containing Modularly Tunable Cation-Binding Cavities with High Ion Selectivity

Author

Qin, Bo, Ren, Changliang, Ye, Ruijuan, Sun, Chang, Chiad, Khalid, Chen, Xiuying, Li, Zhao, Xue, Feng, Su, Haibin, Chass, Gregory A., and Zeng, Huaqiang

Abstract

In this work, we illustrated a novel design strategy that allows systematically tunable interior properties (effective cavity size, steric crowdedness, and hydrophobicity) contained within a novel class of shape-persistent aromatic pentamers to take place on a scale below 3 Å. Such finely tunable structural features are complimented by experimentally observable functional variations in ion-binding potential. Results of the selective, differential binding affinities of three circular pentamers for Li+, Na+, K+, Rb+, and Cs+, substantiated by metal-containing crystal structures and computational modeling, are detailed.

Published
2024
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