Univ. Grenoble Alpes, CNRS, DCM, 38000, Grenoble, France.
Univ. Grenoble Alpes, CEA, CNRS, IRIG, CBM, 38000, Grenoble, France.
Angew Chem Int Ed Engl. 2022 May 16;61(21):e202117212. doi: 10.1002/anie.202117212. Epub 2022 Mar 23.
An original 1-acetato-4-(1-pyrenyl)-1,4,7-triazacyclononane (AcPyTACN) was synthesized for the immobilization of a His-tagged recombinant CODH from Rhodospirillum rubrum (RrCODH) on carbon-nanotube electrodes. The strong binding of the enzyme at the Ni-AcPyTACN complex affords a high current density of 4.9 mA cm towards electroenzymatic CO reduction and a high stability of more than 6×10 TON when integrated on a gas-diffusion bioelectrode.
一种新型的 1-乙酰基-4-(1-蒽基)-1,4,7-三氮杂环壬烷（AcPyTACN）被合成出来，用于固定来自红假单胞菌（Rhodospirillum rubrum）的带有 His 标签的重组 CODH（RrCODH）在碳纳米管电极上。酶在 Ni-AcPyTACN 配合物上的强结合提供了 4.9 mA/cm 的高电流密度，有利于电酶 CO 还原，并且当集成在气体扩散生物电极上时，具有超过 6×10 TON 的高稳定性。
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