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首页> 外文期刊>ACS applied materials & interfaces >Printable Heterostructured Bioelectronic Interfaces with Enhanced Electrode Reaction Kinetics by Intermicroparticle Network
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Printable Heterostructured Bioelectronic Interfaces with Enhanced Electrode Reaction Kinetics by Intermicroparticle Network

机译：可印刷的异质结构生物电解接口，具有增强电极反应动力学通过二射网络

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摘要

Printable organic bioelectronics provide a fast and cost-effective approach for the fabrication of novel biodevices, while the general challenge is to achieve optimized reaction kinetics at multiphase boundaries between biomolecules and electrodes. Here, we present an entirely new concept based on a modular approach for the construction of heterostructured bioelectronic interfaces by using tailored functional "biological microparticles" combined with "transducer micro particles" as modular building blocks. This approach offers high versatility for the design and fabrication of bioelectrodes with a variety of forms of interparticle spatial organization, from layered structures to more advance bulk heterostructured architectures. The heterostructured biocatalytic electrodes delivered twice the reaction rate and a six-fold increase in the effective diffusion kinetics in response to a catalytic model using glucose as the substrate, together with the advantage of shortened diffusion paths for reactants between multiple interparticle junctions and large active particle surface. The consequent benefits of this improved performance combined with the simple means of mass production are of major significance for the emerging printed electronics industry.
机译：可印刷的有机生物电形提供一种快速且经济高效的方法，用于制造新的生物碘，而一般挑战是在生物分子和电极之间的多相界限下实现优化的反应动力学。在这里，我们通过使用定制的功能“生物微粒”与“换能器微粒”结合为模块构建块，基于一种基于模块化方法的模块化方法来展示基于模块化的生物电解界面的模块化方法。这种方法为具有多种形式的颗粒间隔组织的生物电极的设计和制造提供了高通用性，从层叠结构到更接近的散装异质结构架构。异质化生物催化电极通过使用葡萄糖作为基材的催化模型提供反应速率的两倍，并且有效扩散动力学增加了有效扩散动力学的六倍，以及多个颗粒结和大型活性颗粒之间的反应物的缩短扩散路径的优点表面。这种改进的性能的随之而来的效果与简单的批量生产手段相结合对新兴的印刷电子行业具有重要意义。

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