ArticleScientific reports2026
Simultaneous electrochemical detection of imipenem and meropenem using a Pt-Au bimetallic nanoparticle-decorated 3D graphene oxide modified glassy carbon electrode.
Article in Scientific reports, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
The goal of this study was to create a low-cost, simultaneous, and sensitive electrochemical sensor for detecting the imipenem and meropenem. In order to determine them simultaneously, the first electrochemical sensor was created by combining a glassy carbon electrode (GCE) with a nanocomposite made of platinum-gold bimetallic nanoparticle-decorated three-dimensional graphene oxide (Pt-Au Bm-NPs/3D GO). Electrochemical impedance spectroscopy (EIS) and cyclic voltammetry (CV) were used to evaluate the surface of Pt-Au Bm-NPs/3D GO/GCE. imipenem's electrochemical signals increased as a result of the improvement of many sensitivity-affecting factors, including pH, electrode composition, and scan rate. The analysis of the CV data revealed that imipenem's and meropenem's redox were completely irreversible reactions. Chronoamperometry was utilized to ascertain the imipenem's and meropenem's diffusion coefficients (1.25 ± 0.02 × 10
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