Development of novel host molecule-metal ion complexes having enzyme-like catalytic activities for the highly efficient removal and degradation of toxic compounds

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The present study was conducted with a view to developing highly efficient environ mental purification systems by which the removal and subsequent detoxification of hazardous chemicals can be achieved with novel host molecule metal ion complexes having enzyme-like activities. Taking fenitrothion and perchloroethylene as examples of hazardous chemicals, hybrid materials were prepared for their removal from water followed by their degradation. As an extension of the present study, quaternary ammonium salts having chemical structures similar to those of surfactants of importance in the above-mentioned hybrid materials were applied as reaction media to hydrolyze cellulose, which is a key step in processing plant-origin biomasses, and to convert the hydrolysis products into a platform chemical of valuable materials.