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The separation of xylene isomers was attempted using the principle of selective guest inclusion into a guanidinium p-toluenesulfonate (GTS) host frame. In a pair-wise competition of xylene isomers, m-xylene was selected most by the host frame over the other isomers. Meanwhile, there was hardly any competition between o-xylene and p-xylene for inclusion in the GTS host frame, resulting in only minimal...
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