ArticleACS omega2023
Green Synthesis of Sulfur- and Nitrogen-Doped Carbon Quantum Dots for Determination of L-DOPA Using Fluorescence Spectroscopy and a Smartphone-Based Fluorimeter.
Article in ACS omega, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.
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Who cites it
16 citing papers in PubMed.
- Green synthesis of carbon dots from Gardeniae Fructus Carbonisata for enhanced gastrointestinal mucosal protection.RSC advances · 2026Article
- Carbon Quantum Dots as Versatile Nanosystems for Biomedical Innovation: Mechanisms, Applications, and Translational Prospects.British journal of biomedical science · 2026Review
- Photodynamic Antibacterial Nanofibers with Tunable Pro- and Antioxidant Activity via N,S-Doped Carbon Quantum Dots for Corneal Tissue Engineering.ACS applied materials & interfaces · 2025Article
- Article
- Selective Lipolysis by Photoactivation of Chaperone-Mediated Autophagy Using Adipocyte Membrane-Coated Nanoparticle in Hydrogel.Advanced materials (Deerfield Beach, Fla.) · 2025Article
- Green Synthesis of Highly Luminescent Carbon Quantum Dots from Asafoetida and Their Antibacterial Properties.Nanomaterials (Basel, Switzerland) · 2025Article
- Fluorescence-based dual detection of chlortetracycline and PbRSC advances · 2025Article
- Synthesis of carbon quantum dots based on hemp leaves and cysteamine for latent fingerprint detection and their potential therapeutic anticancer application.Nanoscale advances · 2025Article
- Carbon-based nanotechnology for Parkinson's disease: diagnostic and therapeutic innovations.Nanomedicine (London, England) · 2025Review
- Enhanced Grätzel Solar Cells Using Carbon Nanodots and Natural Dye.ACS physical chemistry Au · 2025Article
- Carboxymethyl hemicellulose hydrogel as a fluorescent biosensor for bacterial and fungal detection with DFT and molecular docking studies.Scientific reports · 2025Article
- Ethylenediamine assist preparation of carbon dots with novel biomass for highly sensitive detection of levodopa.RSC advances · 2025Article
- Nanoparticle Strategies for Treating CNS Disorders: A Comprehensive Review of Drug Delivery and Theranostic Applications.International journal of molecular sciences · 2024Review
- Versatile photocatalytic activities of indenoquinoxalines for dye reduction, single-crystal nucleation, and MNP formation with iron scrap under sunlight.RSC advances · 2024Article
- Novel, Speedy, and Eco-Friendly Carboxymethyl Cellulose-Nitrogen Doped Carbon Dots Biosensors with DFT Calculations, Molecular Docking, and Experimental Validation.Gels (Basel, Switzerland) · 2024Article
- Review
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Authors and funding
3 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Sulfur- and nitrogen-doped carbon quantum dots (S,N-CQDs) were synthesized using feijoa leaves as a green precursor via a novel route. Spectroscopic and microscopic methods such as X-ray photoelectron spectroscopy, fluorescence spectroscopy, and high-resolution transmission electron microscopy were used to analyze the synthesized materials. The blue emissive S,N-CQDs were applied for qualitative and quantitative determination of levodopa (L-DOPA) in aqueous environmental and real samples. Human blood serum and urine were used as real samples with good recovery of 98.4-104.6 and 97.3-104.3%, respectively. A smartphone-based fluorimeter device was employed as a novel and user-friendly self-product device for pictorial determination of L-DOPA. Bacterial cellulose nanopaper (BC) was used as a substrate for S,N-CQDs to make an optical nanopaper-based sensor for L-DOPA determination. The S,N-CQDs demonstrated good selectivity and sensitivity. The interaction of L-DOPA with the functional groups of the S,N-CQDs via the photo-induced electron transfer (PET) mechanism quenched the fluorescence of S,N-CQDs. The PET process was studied using fluorescence lifetime decay, which confirmed the dynamic quenching of S,N-CQD fluorescence. The limit of detection (LOD) of S,N-CQDs in aqueous solution and the nanopaper-based sensor was 0.45 μM in the concentration range of 1-50 μM and 31.05 μM in the concentration range of 1-250 μM, respectively.
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Registered trials
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