Atrazine transformation using synthetic enzymes prepared by molecular imprinting |
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Authors: | Takeuchi Toshifumi Ugata Satoshi Masuda Shuichi Matsui Jun Yane Takehisa Takase Masayoshi |
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Affiliation: | Graduate School of Science and Technology, Kobe University, 1-1 Rokkodai-cho, Nada-ku, Kobe, 657-8501, Japan. takeuchi@scitec.kobe-u.ac.jp |
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Abstract: | Atrazine imprinted synthetic polymers were prepared using a combination of methacrylic acid and 2-sulfoethyl methacrylate that bound and converted atrazine and other 6-chlorotriazine herbicides to less toxic compounds. A chloride at the 6-position of the triazines was converted to a methoxy group by the polymer in a methanol-containing solvent, where the imprinting effects enhanced the catalytic activity. Competitive inhibition of the atrazine methanolysis was observed in the presence of a structurally related binder, ametryn, suggesting that the catalytic reaction proceeded in the binding sites generated by the molecular imprinting process. |
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