期刊
BIOSENSORS & BIOELECTRONICS
卷 192, 期 -, 页码 -出版社
ELSEVIER ADVANCED TECHNOLOGY
DOI: 10.1016/j.bios.2021.113485
关键词
Microbial fuel cells; Microbial electrolysis cells; Biosensor; Environmental monitoring; Paper-based; Microfluidic
类别
资金
- Natural Sciences and Engineering Research Council of Canada (NSERC)
- Alberta Innovates Graduate Student Scholarship (AIGSS) program
- NSERC Alexander Graham Bell Canada Graduate Scholarship program
The review summarizes the current trend and applications of paper-based MXC biosensors, highlighting their enhanced sensitivity and field applicability. Future advancements include developing novel paper-based biobatteries, improving system performance using unique biocatalysts like yeast, and integrating the biosensor system with advanced tools such as machine learning and 3D printing.
The development of low-cost analytical devices for on-site water quality monitoring is a critical need, especially for developing countries and remote communities in developed countries with limited resources. Microbial electrochemical cell-based (MXC) biosensors have been quite promising for quantitative and semi-quantitative (often qualitative) measurements of various water quality parameters due to their low cost and simplicity compared to traditional analytical methods. However, conventional MXC biosensors often encounter challenges, such as the slow establishment of biofilms, low sensitivity, and poor recoverability, making them unable to be applied for practical cases. In response, MXC biosensors assembled with paper-based materials demonstrated tremendous potentials to enhance sensitivity and field applicability. Furthermore, the paper-based platforms offer many prominent features, including autonomous liquid transport, rapid bacterial adhesion, lowered resistance, low fabrication cost (<$1 in USD), and eco-friendliness. Therefore, this review aims to summarize the current trend and applications of paper-based MXC biosensors, along with critical discussions on their field applicability. Moreover, future advancements of paper-based MXC biosensors, such as developing a novel paperbased biobatteries, increasing the system performance using an unique biocatalyst, such as yeast, and integrating the biosensor system with other advanced tools, such as machine learning and 3D printing, are highlighted.
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