ArticleScientific reports2022
Highly sensitive and selective detection of dopamine with boron and sulfur co-doped graphene quantum dots.
Article in Scientific reports, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers.
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20 citing papers in PubMed.
- Development of Quantum dot-based enzyme biosensor for the detection of dopamine in urine.Scientific reports · 2026Article
- Quantum dot enhanced photonic biosensors for single cell analysis from synthesis to clinical application.Discover nano · 2026Review
- Biosensor Based on pSi-SU-8-GQD Heterostructures for Enhanced Viral Detection by Dual Signal Amplification Strategy.ACS omega · 2026Article
- Novel synthesis of positively charged N,S-doped carbon dots as an efficient fluorescent probe for l-aspartic acid sensing.Nanoscale advances · 2026Article
- Green and low-cost synthesis of orange peel waste-derived N,S-doped graphene quantum dots with tunable fluorescence for selective dopamine sensing.Mikrochimica acta · 2025Article
- Cytocompatible FRET Assembly of CdTe@GSH Quantum Dots and Au@BSA Nanoclusters: A Novel Ratiometric Strategy for Dopamine Detection.Molecules (Basel, Switzerland) · 2025Article
- Recent Advancements in Graphene Quantum Dot-Based Bioimaging and Drug Delivery Systems.MedComm · 2025Review
- Photoinduced Immobilization on Two-Dimensional Nano Borophene Spatially Orients Capture Antibody for Highly Sensitive Biological Interactions.ACS central science · 2025Article
- Selective and Comparative Study of B/nZVCu-Fe and B/nZVCu-Zn Nanoparticles as Fluorescent Probe for Dopamine in Presence of its Interference Molecules.Journal of fluorescence · 2025Article
- Highly Sensitive and Selective Fluorescence and Smartphone-Based Sensor for Detection of Rutin Using Boron Nitrogen Co-doped Graphene Quantum Dots.Journal of fluorescence · 2025Article
- Nature of Charge Transfer Effects in Complexes of Dopamine Derivatives Adsorbed on Graphene-Type Nanostructures.International journal of molecular sciences · 2024Article
- Graphene quantum dots for biosensing and bioimaging.RSC advances · 2024Review
- Synthesis and Application of Carbon Quantum Dots Derived from Carbon Black in Bioimaging.Journal of fluorescence · 2024Article
- In silico investigation on sensing of tyramine by boron and silicon doped CScientific reports · 2023Article
- Review
- A bacterial cellulose-based LiSrVONanoscale advances · 2023Article
- Excitation-depended fluorescence emission of boron-doped graphene quantum dot as an optical probe for detection of oxytetracycline in food and information encryption patterns.Mikrochimica acta · 2023Article
- A DFT Study of Phosphate Ion Adsorption on Graphene Nanodots: Implications for Sensing.Sensors (Basel, Switzerland) · 2023Article
- Polyindole-Derived Nitrogen-Doped Graphene Quantum Dots-Based Electrochemical Sensor for Dopamine Detection.Biosensors · 2022Article
- Review
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8 authors.
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Abstract
In this work, we report, the synthesis of Boron and Sulfur co-doped graphene quantum dots (BS-GQDs) and its applicability as a label-free fluorescence sensing probe for the highly sensitive and selective detection of dopamine (DA). Upon addition of DA, the fluorescence intensity of BS-GQDs were effectively quenched over a wide concentration range of DA (0-340 μM) with an ultra-low detection limit of 3.6 μM. The quenching mechanism involved photoinduced electron transfer process from BS-GQDs to dopamine-quinone, produced by the oxidization of DA under alkaline conditions. The proposed sensing mechanism was probed using a detailed study of UV-Vis absorbance, steady state and time resolved fluorescence spectroscopy. The high selectivity of the fluorescent sensor towards DA is established. Our study opens up the possibility of designing a low-cost biosensor which will be suitable for detecting DA in real samples.
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