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Updated: Apr 5, 2026

Development and Functionalization of Electrolyte-Gated Graphene Field-Effect Transistor for Biomarker Detection
Published on: February 1, 2022
Electrochemically triggered release of human insulin from an insulin-impregnated reduced graphene oxide modified
Florina Teodorescu1, Laure Rolland, Viswanatha Ramarao
1Institute d'Electronique, de Microélectronique et de Nanotechnologie (IEMN, UMR CNRS 8520), Université Lille 1, Cité Scientifique, Avenue Poincaré, BP 60069, 59652 Villeneuve d'Ascq, France. sabine.szunerits@iri.univ-lille1.fr.
Abstract:
An electrochemical insulin-delivery system based on reduced graphene oxide impregnated with insulin is described. Upon application of a potential pulse of -0.8 V for 30 min, up to 70 ± 4% of human insulin was released into a physiological medium while preserving its biological activity.
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