ArticleNanomaterials (Basel, Switzerland)2021
Electrochemical and Fluorescent Properties of Crown Ether Functionalized Graphene Quantum Dots for Potassium and Sodium Ions Detection.
Article in Nanomaterials (Basel, Switzerland), 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.
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14 citing papers in PubMed.
- A comprehensive review on the capability of graphene quantum dots-based/involved platforms for the detection of inorganic ions.RSC advances · 2025Review
- Rapid Microfluidic Ion-Exchange Optode System for Point-of-Care Determination of Sodium Concentration in Serum.Biosensors · 2025Article
- Modified Gold Screen-Printed Electrodes for the Determination of Heavy Metals.Sensors (Basel, Switzerland) · 2024Article
- Development of electrochemical sensors for quick detection of environmental (soil and water) NPK ions.RSC advances · 2024Review
- Theranostic Applications of 2D Graphene-Based Materials for Solid Tumors Treatment.Nanomaterials (Basel, Switzerland) · 2023Review
- Article
- Carbon-Based Fluorescent Nano-Biosensors for the Detection of Cell-Free Circulating MicroRNAs.Biosensors · 2023Review
- Electrochemical Exfoliation of Graphite to Graphene-Based Nanomaterials.Molecules (Basel, Switzerland) · 2022Article
- A Comprehensive Review on Upconversion Nanomaterials-Based Fluorescent Sensor for Environment, Biology, Food and Medicine Applications.Biosensors · 2022Review
- Review
- Theoretical Evaluation of Potential Cytotoxicity of Graphene Quantum Dot to Adsorbed DNA.Materials (Basel, Switzerland) · 2022Article
- Orange-Peel-Derived Nanobiochar for Targeted Cancer Therapy.Pharmaceutics · 2022Article
- Ligand-Tuned Multi-Color Luminescence of Single Aluminum (III) Ion Atomic Centers and Their Selective Sensitivity to Different Metal Ions.Materials (Basel, Switzerland) · 2022Article
- Photoluminescence and Fluorescence Quenching of Graphene Oxide: A Review.Nanomaterials (Basel, Switzerland) · 2022Review
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Authors and funding
6 authors.
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Abstract
The concentration of sodium and potassium ions in biological fluids, such as blood, urine and sweat, is indicative of several basic body function conditions. Therefore, the development of simple methods able to detect these alkaline ions is of outmost importance. In this study, we explored the electrochemical and optical properties of graphene quantum dots (GQDs) combined with the selective chelating ability of the crown ethers 15-crown-5 and 18-crown-6, with the final aim to propose novel composites for the effective detection of these ions. The results obtained comparing the performances of the single GQDs and crown ethers with those of the GQDs-15-crown-5 and GQDs-18-crown-6 composites, have demonstrated the superior properties of these latter. Electrochemical investigation showed that the GQDs based composites can be exploited for the potentiometric detection of Na
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