Journal
BIOSENSORS & BIOELECTRONICS
Volume 171, Issue -, Pages -Publisher
ELSEVIER ADVANCED TECHNOLOGY
DOI: 10.1016/j.bios.2020.112690
Keywords
Enzymatic biofuel cells; Glucose biosensor; Metal-organic frameworks; Cellulose acetate; Long-term monitoring
Categories
Funding
- National Key R&D Program of China [2017YFB0309100]
- Fundamental Research Funds for the Central Universities [JUSRP52007A, LITE 2018-21]
- Natural Science Foundation of Jiangsu Province [BK20180628]
- National Natural Science Foundation of China [51803078]
- China Postdoctoral Science Foundation [2018T110442, 2017M610296]
- 111 Project [B17021]
- Key Laboratory of Eco-textiles, Ministry of Education
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This study developed a highly flexible electrode for reliable Enzymatic Biofuel Cells, which showed excellent stability in continuous long-term monitoring, potentially inspiring the application of enzymatic biosensors in biometrics, chronic disease management, and clinical diagnosis.
Development of reliable Enzymatic Biofuel Cells (EBFC)-based self-powered glucose biosensor for continuous, noninvasive monitoring without restriction on patient's movement is highly recommendable. However, its application to a large extent is limited by the relatively poor stability. Herein, we synthesized a highly flexible electrode for effective enzyme immobilization by encapsulating enzyme into the metal-organic frameworks (MOFs) and robustly anchored to the cellulose acetate (CA) nanofiber membrane. As is well-known, such nanostructured fiber materials are the first time to be synthesized for glucose biosensor, which encapsulated biomolecules in MOFs platform during the MOFs in-situ growth on the nanofiber membranes. The as-proposed biosensor demonstrated excellent stability over 15 h of continuous long-term monitoring. The remarkable stability of assembled self-powered glucose biosensor in this work could inspire the application of enzymatic biosensors in biometrics, chronic disease management and clinical diagnosis.Y
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