关键词: Cellulose acetate Enzymatic biofuel cells Glucose biosensor Long-term monitoring Metal-organic frameworks

Mesh : Biosensing Techniques Cellulose / analogs & derivatives Glucose / analysis Humans Metal-Organic Frameworks Nanofibers

来  源:   DOI:10.1016/j.bios.2020.112690   PDF(Sci-hub)

Abstract:
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.
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