Chromatography in a single metal-organic framework (MOF) crystal |
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| Authors: | Han Shuangbing Wei Yanhu Valente Cory Lagzi István Gassensmith Jeremiah J Coskun Ali Stoddart J Fraser Grzybowski Bartosz A |
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| Institution: | Department of Chemical and Biological Engineering, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208-3113, United States. |
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| Abstract: | Millimeter-sized single MOF-5 crystals are used as "chromatographic columns" to effectively separate mixtures of organic dyes. Remarkably, owing to the nanoscopic pore dimensions and the molecular-level interactions between the migrating molecules and the MOF scaffold, the separations occur over a distance of only a few hundred micrometers which is unambiguously confirmed by fluorescence confocal microscopy. |
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