Laboratory of Electrochemical Energy Conversion, State Research Institute Centre for Physical Sciences and Technology, Saulėtekio Ave. 3, LT-10257 Vilnius, Lithuania.
Faculty of Mechanics, Vilnius Gediminas Technical University, LT-10223 Vilnius, Lithuania.
Biosensors (Basel). 2023 Feb 3;13(2):221. doi: 10.3390/bios13020221.
This review focuses on the development of microbial biofuel cells to demonstrate how similar principles apply to the development of bioelectronic devices. The low specificity of microorganism-based amperometric biosensors can be exploited in designing microbial biofuel cells, enabling them to consume a broader range of chemical fuels. Charge transfer efficiency is among the most challenging and critical issues while developing biofuel cells. Nanomaterials and particular redox mediators are exploited to facilitate charge transfer between biomaterials and biofuel cell electrodes. The application of conductive polymers (CPs) can improve the efficiency of biofuel cells while CPs are well-suitable for the immobilization of enzymes, and in some specific circumstances, CPs can facilitate charge transfer. Moreover, biocompatibility is an important issue during the development of implantable biofuel cells. Therefore, biocompatibility-related aspects of conducting polymers with microorganisms are discussed in this review. Ways to modify cell-wall/membrane and to improve charge transfer efficiency and suitability for biofuel cell design are outlined.
这篇综述专注于微生物燃料电池的发展，以展示相似的原理如何应用于生物电子设备的开发。基于微生物的电流型生物传感器的低特异性可以在设计微生物燃料电池时得到利用，使它们能够消耗更广泛的化学燃料。在开发生物燃料电池时，电荷转移效率是最具挑战性和关键性的问题之一。纳米材料和特定的氧化还原介质被利用来促进生物材料和生物燃料电池电极之间的电荷转移。导电聚合物（CPs）的应用可以提高生物燃料电池的效率，同时 CPs 非常适合酶的固定化，在某些特定情况下，CPs 可以促进电荷转移。此外，生物相容性是可植入生物燃料电池开发过程中的一个重要问题。因此，本文讨论了与微生物相关的导电聚合物的生物相容性问题。概述了修饰细胞壁/膜和提高电荷转移效率以及适合生物燃料电池设计的方法。
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