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Photoinduced interruption of interannular cooperativity for delivery of cationic guests in water

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Abstract

The synergy among twelve carboxylates from two hexavalent baskets 16− assisted the encapsulation of one divalent diammonium guest 32+62+ and the formation of ternary [36⊂12]10−. The reduction of basket's multivalency, by photoinduced α-decarboxylation of 16− to give 23−, intercepted the interannular cooperativity operating in the stabilization of capsulpex [36⊂12]10− to dramatically diminish the binding affinity towards diammonium guests. As a result, the cationic guests were released into bulk water with 23− assembling into nanoparticles. With numerous drugs carrying positive sites, the finding reported here could now be examined for their light-promoted spatiotemporal delivery.

Graphical abstract: Photoinduced interruption of interannular cooperativity for delivery of cationic guests in water

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Article information


Submitted
21 Dec 2019
Accepted
05 Feb 2020
First published
05 Feb 2020

Chem. Commun., 2020, Advance Article
Article type
Communication

Photoinduced interruption of interannular cooperativity for delivery of cationic guests in water

R. Z. Pavlović, S. E. Border, Y. Li, X. Li and J. D. Badjić, Chem. Commun., 2020, Advance Article , DOI: 10.1039/C9CC09903D

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