纳米酶微凝胶:用于稀释二氧化碳检测和环境修复的多功能工具

IF 9.6 1区 化学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY
Haojie Zhang, Ting Zhao, Yanying Ye, Chao Ma, Jie Xu, Jianda Xie, Jing Shen and Weitai Wu*, 
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引用次数: 0

摘要

受天然金属酶多样性的启发,我们设计了含有金属中心的微凝胶,模仿碳酸酐酶,即使在水环境中也能有效地捕获和检测二氧化碳。这些微凝胶显示出高灵敏度,可以检测低至300 ppm浓度的二氧化碳,超过传统方法。微凝胶中的金属中心可以通过与Mn2+、Cr3+、Ni2+、Cu2+、Zn2+等金属离子配位形成。在吸收二氧化碳后,系统变成弱酸性,使多功能应用。值得注意的是,基于Cu2+的微凝胶显示出催化的多功能性,在中性到碱性条件下作为碳酸酐酶,在中性到酸性环境下作为漆酶或过氧化物酶。这种多功能性突出了它们在广泛的pH范围内转化水污染物的潜力,为环境修复提供了重要的希望。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Nanozyme Microgels: Multifunctional Tools for Dilute Carbon Dioxide Detection and Environmental Remediation

Nanozyme Microgels: Multifunctional Tools for Dilute Carbon Dioxide Detection and Environmental Remediation

Inspired by the diversity of natural metalloenzymes, we designed microgels incorporating metal centers that mimic carbonic anhydrase for efficient CO2 capture and detection, even in aqueous environments. These microgels demonstrate high sensitivity, detecting CO2 at concentrations as low as 300 ppm, surpassing conventional methods. The metal centers in the microgels can be constructed by coordinating with metal ions such as Mn2+, Cr3+, Ni2+, Cu2+, and Zn2+. Upon absorption of CO2, the system becomes weakly acidic, enabling multifunctional applications. Notably, Cu2+-based microgels display catalytic versatility, acting as carbonic anhydrase in neutral to alkaline conditions and as laccase or peroxidase in neutral to acidic environments. This versatility highlights their potential for transforming water pollutants across a broad pH range, offering significant promise for environmental remediation.

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来源期刊
ACS Materials Letters
ACS Materials Letters MATERIALS SCIENCE, MULTIDISCIPLINARY-
CiteScore
14.60
自引率
3.50%
发文量
261
期刊介绍: ACS Materials Letters is a journal that publishes high-quality and urgent papers at the forefront of fundamental and applied research in the field of materials science. It aims to bridge the gap between materials and other disciplines such as chemistry, engineering, and biology. The journal encourages multidisciplinary and innovative research that addresses global challenges. Papers submitted to ACS Materials Letters should clearly demonstrate the need for rapid disclosure of key results. The journal is interested in various areas including the design, synthesis, characterization, and evaluation of emerging materials, understanding the relationships between structure, property, and performance, as well as developing materials for applications in energy, environment, biomedical, electronics, and catalysis. The journal has a 2-year impact factor of 11.4 and is dedicated to publishing transformative materials research with fast processing times. The editors and staff of ACS Materials Letters actively participate in major scientific conferences and engage closely with readers and authors. The journal also maintains an active presence on social media to provide authors with greater visibility.
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