Biodegradable Mats for the Design of Bifunctional Biosensors for Glucose Detection in Urine.

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Author(s): GOMES, N. O.; PASCHOALIN, R. T.; BILLATO, S.; SORIGOTTI, A. R.; FARINAS, C. S.; MATTOSO, L. H. C.; MACHADO, S. A. S.; OLIVEIRA JR, O. N.; RAYMUNDO-PEREIRA, P. A.

Summary: Abstract: We introduce a bifunctional architecture to construct biosensors on solution-blow spinning fiber mats of polylactic acid (PLA) and polyethylene glycol (PEG). PLA/PEG mats acted as substrate for printing electrodes and as matrix to immobilize glucose oxidase (GOx). Prussian Blue nanoparticles (PB) decorated working electrodes to detect H2O2 from enzymatic catalysis at a low applied potential (0 V vs Ag/AgCl) with detection limit of 0.197 mM. The inexpensive bifunctional device (

Publication year: 2023

Types of publication: Journal article

Unit: Embrapa Instrumentation

Keywords: Biosensor, Non-invasive, Prussian blue, Screen-printed electrodes, Sustainable substrates

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