ArticleMikrochimica acta2025
In situ grown NiCo-LDH derived bimetallic nanoparticles on n-doped carbon nanorods for sensitive electrochemical sensing of chlorogenic acid.
Article in Mikrochimica acta, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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9 authors.
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Abstract
A highly sensitive electrochemical sensor for chlorogenic acid (CGA) detection has been developed using nitrogen-doped carbon nanorods loaded with NiCo bimetallic (NCNRs/NiCo). The composite material was synthesized through a pyrolysis strategy where NiCo-layered double hydroxide (LDH) was grown in situ on phenolic resin-derived carbon nanorods and subsequently carbonized. Material characterization confirmed the successful formation of uniformly dispersed NiCo nanoparticles anchored on nitrogen-doped carbon matrix, which provided abundant active sites. The NCNRs/NiCo-modified glassy carbon electrode (GCE) exhibited exceptional electrocatalytic activity toward CGA oxidation, achieving a wide linear detection range from 0.5 nM to 10 µM with an ultralow detection limit of 0.32 nM (S/N = 3). The sensor demonstrated excellent selectivity against common interferents, good reproducibility and repeatability. Practical application in food samples showed satisfactory recoveries (97.6-104.1%) in good agreement with the ultraviolet-visible (UV-Vis) reference method. The outstanding performance originates from the synergistic effects between nitrogen-doped carbon framework and bimetallic nanoparticles, offering a promising platform for natural antioxidant determination in food quality control.
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