ArticleScientific reports2019
Graphene Quantum Dots Decorated Gold-Polyaniline Nanowire for Impedimetric Detection of Carcinoembryonic Antigen.
Article in Scientific reports, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.
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Who cites it
18 citing papers in PubMed, 123 citations in OpenAlex.
- Electrochemical and Optical Carbon Dots and Glassy Carbon Biosensors: A Review on Their Development and Applications in Early Cancer Detection.Micromachines · 2025Review
- Graphene quantum dot-crafted nanocomposites: shaping the future landscape of biomedical advances.Discover nano · 2024Review
- Bio-functionalized carbon dots for signaling immuno-reaction of carcinoembryonic antigen in an electrochemical biosensor for cancer biomarker detection.Discover nano · 2024Article
- Signal-Amplified Nanobiosensors for Virus Detection Using Advanced Nanomaterials.Advances in biochemical engineering/biotechnology · 2024Review
- Recent Advances in Electrochemical Immunosensors with Nanomaterial Assistance for Signal Amplification.Biosensors · 2023Review
- CdSe-CoMikrochimica acta · 2023Article
- Bioanalytical Applications of Graphene Quantum Dots for Circulating Cell-Free Nucleic Acids: A Review.ACS omega · 2022Review
- Review
- Graphene quantum dots: synthesis, properties, and applications to the development of optical and electrochemical sensors for chemical sensing.Mikrochimica acta · 2022Review
- Two-Dimensional Quantum Dot-Based Electrochemical Biosensors.Biosensors · 2022Review
- Article
- Design and Analysis of a Single System of Impedimetric Biosensors for the Detection of Mosquito-Borne Viruses.Biosensors · 2021Article
- Review
- Fluorescent and electrochemical dual-mode detection of Chikungunya virus E1 protein using fluorophore-embedded and redox probe-encapsulated liposomes.Mikrochimica acta · 2020Article
- Electrochemical detection of white spot syndrome virus with a silicone rubber disposable electrode composed of graphene quantum dots and gold nanoparticle-embedded polyaniline nanowires.Journal of nanobiotechnology · 2020Article
- Applications of Graphene Quantum Dots in Biomedical Sensors.Sensors (Basel, Switzerland) · 2020Review
- Graphene Quantum Dot-Based Electrochemical Immunosensors for Biomedical Applications.Materials (Basel, Switzerland) · 2019Review
- The Role of Electrochemical Immunosensors in Clinical Analysis.Biosensors · 2019Review
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Authors and funding
2 authors at 2 institutions in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
A label-free impedimetric immunosensor based on N, S-graphene quantum dots@Au-polyaniline (N, S-GQDs@Au-PANI) nanowires was fabricated for the quantitative detection of carcinoembryonic antigen (CEA). The N, S-GQDs and Au-PANI were synthesized by a simple hydrothermal pyrolysis and interfacial polymerization, respectively. Subsequently, 2-9 nm N, S-GQDs are successfully decorated onto 30-50 nm Au-PANI nanowires by Au-thiol linkage to serve as the bifunctional probe for amplifying the electrochemical activity as well as anchoring anti-CEA. The N, S-GQDs@Au-PANI nanowires are excellent conducting materials to accelerate the electron transfer, while the formation of CEA antibody-antigen bioconjugates after the addition of CEA significantly increase the charge transfer resistance, and subsequently provides a highly stable and label-free immunoassay platform for the impedimetric detection of CEA. The label-free immunosensor exhibits a wide linear range from 0.5 to 1000 ng mL
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