Cover Feature: Ascorbate Oxidase Mimetic Activity of Copper(II) Oxide Nanoparticles (ChemBioChem 7/2020),ChemBioChem

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Cover Feature: Ascorbate Oxidase Mimetic Activity of Copper(II) Oxide Nanoparticles (ChemBioChem 7/2020)
ChemBioChem ( IF 2.6 ) Pub Date : 2020-04-01 , DOI: 10.1002/cbic.202000169
Shao‐Bin He ₁ , Ai‐Ling Hu _{1,

2} , Quan‐Quan Zhuang ₁ , Hua‐Ping Peng ₁ , Hao‐Hua Deng ₁ , Wei Chen ₁ , Guo‐Lin Hong ₃

Affiliation

Cupric oxide nanoparticles (CuO NPs) are a new ascorbate oxidase mimetic nanozyme. In their full paper, H.‐H. Deng, W. Chen, G.‐L. Hong, et al. report how CuO NPs can catalyze the oxidation of ascorbic acid (AA) by dissolved O₂ as a green oxidant to form dehydroascorbic acid (DHAA). The apparent steady‐state kinetic parameters indicated that this new type of ascorbate oxidase mimic and natural ascorbate oxidase (AAO) have similar affinities for AA, whereas the robustness of CuO NPs is greater than that of AAO. Moreover, by coupling the CuO NP‐catalyzed oxidation of AA to the reaction between o‐phenylenediamine and DHAA, a fluorescence sensor for AA detection was established. More details can be found in the full paper by H.‐H. Deng, W. Chen, G.‐L. Hong, et al. on page 978 in Issue 7, 2020 (DOI: 10.1002/cbic.201900595).

中文翻译：

封面人物：氧化铜（II）纳米粒子的抗坏血酸氧化酶模拟活性（ChemBioChem 7/2020）

氧化铜纳米颗粒（CuO NPs）是一种新的抗坏血酸氧化酶模拟纳米酶。在他们的全文中邓W.陈G.L. Hong等。报告了CuO NPs如何通过溶解的O ₂作为绿色氧化剂催化抗坏血酸（AA）的氧化，形成脱氢抗坏血酸（DHAA）。明显的稳态动力学参数表明，这种新型的抗坏血酸氧化酶模拟物和天然抗坏血酸氧化酶（AAO）对AA具有相似的亲和力，而CuO NP的稳健性大于AAO。此外，通过将CuO NP催化的AA氧化与邻苯二胺和DHAA之间的反应偶联，建立了用于AA检测的荧光传感器。可以在H.‐H的全文中找到更多详细信息。邓W.陈G.L. Hong等。上2020年第7期，第978页（DOI：10.1002 / cbic.201900595）。

更新日期：2020-04-22

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