ArticleGels (Basel, Switzerland)2024
Fluorescence 'Turn-on' Probe for Chromium Reduction, Adsorption and Detection Based on Cellulosic Nitrogen-Doped Carbon Quantum Dots Hydrogels.
Article in Gels (Basel, Switzerland), 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.
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Who cites it
15 citing papers in PubMed.
- Hibiscus derived nitrogen doped carbon nanochains for visual pH sensing and catalytic methyl orange degradation.Scientific reports · 2026Article
- Microwave-Driven Fabrication of Blue Fluorescent Undoped and Nitrogen-Doped Carbon Quantum Dots From Ficus religiosa for Efficient Visible-Light Photocatalytic Degradation of Cationic Dyes: A Parametric Optimization Study.Luminescence : the journal of biological and chemical luminescence · 2026Article
- A two-in-one lignosulfonate carbon dots for bacterial detection and fluorescence quenching in food, pharmaceuticals, and cultural heritage preservation.Scientific reports · 2025Article
- Recent advancements in application of carbohydrate-derived carbon quantum dots in analytical chemistry: a comprehensive update.Bioresources and bioprocessing · 2025Review
- A Novel Natural Chromogenic Visual and Luminescent Sensor Platform for Multi-Target Analysis in Strawberries and Shape Memory Applications.Foods (Basel, Switzerland) · 2025Article
- A novel anthocyanins hydroxyethyl cellulose film for intelligent chicken meat packaging with mechanical study, DFT calculations and molecular docking study.Scientific reports · 2025Article
- Microwaved schiff base dialdehyde cellulose-chitosan hydrogels for sustained drug release with DFT calculations.BMC chemistry · 2025Article
- Hepatoprotective activity of bio-fabricated carbon quantum dots-decorated zinc oxide against carbon tetrachloride-induced liver injury in male rats.BMC pharmacology & toxicology · 2025Article
- Fullerene-Functionalized Cellulosic Hydrogel Biosensor with Bacterial Turn-on Fluorescence Response Derived from Carboxymethyl Cellulose for Intelligent Food Packaging with DFT Calculations and Molecular Docking.Gels (Basel, Switzerland) · 2025Article
- Carboxymethyl hemicellulose hydrogel as a fluorescent biosensor for bacterial and fungal detection with DFT and molecular docking studies.Scientific reports · 2025Article
- Novel, Speedy, and Eco-Friendly Carboxymethyl Cellulose-Nitrogen Doped Carbon Dots Biosensors with DFT Calculations, Molecular Docking, and Experimental Validation.Gels (Basel, Switzerland) · 2024Article
- Bacterial Cellulose-Derived Sorbents for Cr (VI) Remediation: Adsorption, Elution, and Reuse.Polymers · 2024Article
- Novel microwave assisted carboxymethyl-graphene oxide and its hepatoprotective activity.BMC pharmacology & toxicology · 2024Article
- Fullerenes and tree-shaped/fingerprinted carbon quantum dots for chromium adsorptionRSC advances · 2024Article
- Fluffy-like amphiphilic graphene oxide and its effects on improving the antibacterial activity and thermal outstanding of ethyl cellulose /polyvinyl alcohol hydrogel film.BMC chemistry · 2024Article
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Authors and funding
1 author.
Funding
No grant is acknowledged in the PubMed record.
Abstract
This paper proposes a new, highly effective fluorescence test for Cr(VI) detection. This method utilizes a hydrogel composed of hydroxyethyl cellulose (HEC), nitrogen-doped carbon quantum dots (N-CQDs), and poly(co-acrylamido-2-methyl-1-propane sulfonic acid) (AMPS). The N-CQDs were successfully synthesized using a simple microwave method, and then conjugated with HEC and AMPS. The higher adsorption (99.41%) and higher reduction rate in H1 likely stems from both the presence of N-CQDs (absent in HB) and their increased free functional groups (compared to H2/H3, where N-CQDs block them). This facilitates the release (desorption) of Cr(VI) from the hydrogels, making it more available for reduction to the less toxic Cr(III). The fluorescent brightness of the HEC-N-CQDs-g-poly(AMPS) hydrogel increases gradually when Cr(VI) is added in amounts ranging from 15 to 120 mg/L. The fluorescent enhancement of the HEC-N-CQDs-g-poly(AMPS) hydrogel appeared to exhibit a good linear relationship with the 15-120 mg of the Cr(VI) concentration, with a detection limit of 0.0053 mg/L, which is lower than the standard value published by WHO. Our study found that the HEC-N-CQDs-g-poly(AMPS) hydrogel served effectively as a fluorescent probe for Cr(VI) detection in aqueous solutions, demonstrating high sensitivity.
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