ArticleScientific reports2024
Electrochemical determination of ascorbic acid using palladium supported on N-doped graphene quantum dot modified electrode.
Article in Scientific reports, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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8 citing papers in PubMed, 30 citations in OpenAlex.
- Strategically Functionalised Graphene Surfaces for the Selective Removal of Polycyclic Aromatic Hydrocarbons From Diverse Aquatic Systems.Chemical record (New York, N.Y.) · 2026Review
- Catalytic performance and SERS substrate efficiency of PdNPs@GOQDs.RSC advances · 2026Article
- Emerging Electrode Materials for Next-Generation Electrochemical Devices: A Comprehensive Review.Micromachines · 2026Review
- Dual-functional nitrogen-doped carbon dot/copper oxide nanocomposites for electrochemical sensing of ascorbic acid and antimicrobial applications.BMC chemistry · 2025Article
- Amino acid-assisted green synthesis of a porous binary oxide nanocomposite for sensitive electrochemical detection of chlorpromazine.Scientific reports · 2025Article
- On-Line Monitoring of Vitamin C in Fruit Juice in Processing Plants by Electrochemical Sensor Based on PEDOT-Modified Electrodes: A Feasibility Study.Sensors (Basel, Switzerland) · 2025Article
- A novel electrochemical sensor for the determination of cadmium ions based on nitrogen-enriched carbon modified electrode.Scientific reports · 2025Article
- Development of isoniazid electrochemical sensor using nickel ferrite - nitrogen and sulfur co-doped graphene quantum dot nanocomposite as a new electrode modifier.Scientific reports · 2024Article
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Authors and funding
3 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
To precise screening concentration of ascorbic acid (AA), a novel electrochemical sensor was prepared using palladium nanoparticles decorated on nitrogen-doped graphene quantum dot modified glassy carbon electrode (PdNPs@N-GQD/GCE). For this purpose, nitrogen doped GQD nanoparticles (N-GQD) were synthesized from a citric acid condensation reaction in the presence of ethylenediamine and subsequently modified by palladium nanoparticles (PdNPs). The electrochemical behavior of AA was investigated, in which the oxidation peak appeared at 0 V related to the AA oxidation. Considering the synergistic effect of Pd nanoparticles as an active electrocatalyst, and N-GQD as an electron transfer accelerator and electrocatalytic activity improving agent, PdNPs@N-GQD hybrid materials showed excellent activity in the direct oxidation of AA. In the optimal conditions, the voltammetric response was linear in the range from 30 to 700 nM and the detection limit was calculated to be 23 nM. The validity and the efficiency of the proposed sensor were successfully tested and confirmed by measuring AA in real samples of chewing tablets, and fruit juice.
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