Issue 44, 2016

Unprecedented selectivity in molecular recognition of carbohydrates by a metal–organic framework

Abstract

Metal–organic framework (MOF) material NU-1000 adsorbs dimers cellobiose and lactose from aqueous solution, in amounts exceeding 1250 mg gNU-1000−1 while completely excluding the adsorption of the monomer glucose, even in a competitive mode with cellobiose. The MOF also discriminates between dimers consisting of α and β linkages, showing no adsorption of maltose. Electronic structure calculations demonstrate that key to this selective molecular recognition is the number of favorable CH–π interactions made by the sugar with pyrene units of the MOF.

Graphical abstract: Unprecedented selectivity in molecular recognition of carbohydrates by a metal–organic framework

Supplementary files

Article information

Article type
Communication
Submitted
19 Apr 2016
Accepted
03 May 2016
First published
03 May 2016

Chem. Commun., 2016,52, 7094-7097

Unprecedented selectivity in molecular recognition of carbohydrates by a metal–organic framework

M. Yabushita, P. Li, V. Bernales, H. Kobayashi, A. Fukuoka, L. Gagliardi, O. K. Farha and A. Katz, Chem. Commun., 2016, 52, 7094 DOI: 10.1039/C6CC03266D

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