ArticleScientific reports2025
A novel electrochemical sensor for the determination of cadmium ions based on nitrogen-enriched carbon modified electrode.
Article in Scientific reports, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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2 citing papers in PubMed.
- Short metallopeptide conjugate nanostructures for selective cadmium capture and detoxification.Nanoscale advances · 2026Article
- Dual-target electrochemical aptasensor based on Mil101(Fe)-CQD-TiOMikrochimica acta · 2025Article
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3 authors.
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Abstract
In the present work, nitrogen-doped carbon was synthesized starting from a chitosan/urea mixture and immobilized at the surface of a bare glassy carbon electrode to detect Cd(II) ions using differential pulse-anodic stripping voltammetry method (DP-ASV). The synthesized nitrogen-doped carbon showed a significant potential for determining Cd(II) ions. Doping carbon with nitrogen atoms gives a structure with increased valence band energy, leading to acceleration of the electron transfer by creating an interaction of nitrogen's free electrons with Cd(II), which subsequently increases the peak current value. After the characterization of nitrogen-doped carbon by various methods, cyclic voltammetry (CV) and differential pulse voltammetry (DPV) were used to study the prepared sensor's electrochemical behavior. Under optimal conditions, the proposed sensor has a linear response of 3.0 to 150 nM and its detection limit is 2.0 nM. This sensor can analyze Cd(II) in tap and river water as real samples.
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