Enzyme electrodes are used in numerous applications, such as electrochemical devices and biosensing systems, and biofuel cells (BFCs) are potential candidates for powering a range of bioelectronic devices by transforming biochemical energy into electricity under mild biological conditions.
Regardless of their characteristics, the majority of current biofuel cells offer short-term operational stability and low power output as a result of their poor electron transfer between enzymes and electrodes and also between neighboring enzymes.
电子转移的此类问题与几乎所有电化学传感器(例如BFC和其他生物电子学)的性能直接相关。
在日记中应用物理评论, 经过AIP Publishing,来自韩国和美国的研究人员通过已开发出来制造高性能生物燃料细胞的两亲集团来实现这些缺点。
The method, which has the potential to induce favorable interfacial interactions between electrocatalysts and considerably enhance the electron transfer kinetics of electrodes, produced hybrid biofuel cells with good operational stability and high-power output.
我们使用两亲和组件的新型电极设计,它以固定酶的共同观点破裂,可以最大化酶/酶和酶/电极界面的电子传递,并实现高功能稳定性,从酶层。
韩国大学学习作者Cheong Hoon Kwon
该技术引起了电催化剂和增强电极电子转移动力学之间的有利的界面相互作用。它获得了亲水酶和疏水或导电金属纳米颗粒的无与伦比的质量负荷,并显着提高了电流密度和电子转移效率。欧洲杯猜球平台
Amphiphilic assembled multilayers made of glucose oxidases in aqueous media and hydrophobic or conductive nanoparticles in nonpolar media. These particles were deposited onto cotton fiber or textile to form the anode, which has remarkably increased immobilization stability and electron transfer efficiency.
通过将铂溅到涂有金纳米颗粒涂层的棉花纤维上以提高氧气还原反应的效率来发展阴极。
科学家认为,组装技术可能会为准备一系列高性能电化学设备(例如生物燃料电池)提供基础。
Our results could be of significant interest to various researchers and engineers working in the areas of self-assembly, energy conversion, and electrochemical sensors, in addition to BFCs。
Jinhan Cho, Study Co-Author, Korea University
The study has been co-authored by the authors Cheong Hoon Kwon, Minchul Kang, Minseong Kwon, Donghyeon Nam, Yongkwon Song, Euiju Yong, Min-Kyu Oh, Yongju Kim, Bongjun Yeom, Jun Hyuk Moon, Seung Woo Lee, and Jinhan Cho.
Journal Reference:
Kwon,C。H.,等。(2022)使用基于两亲组装的酶电极的高性能杂化生物燃料细胞。应用物理评论。doi.org/10.1063/5.0084917。
资源:https://www.aip.org/