ArticleMikrochimica acta2018
Ultrasensitive detection of heparin by exploiting the silver nanoparticle-enhanced fluorescence of graphitic carbon nitride (g-C
Article in Mikrochimica acta, 2018. 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, 48 citations in OpenAlex.
- Xanthan-Based Materials as a Platform for Heparin Delivery.Molecules (Basel, Switzerland) · 2023Article
- Emerging and Promising Multifunctional Nanomaterial for Textile Application Based on Graphitic Carbon Nitride Heterostructure Nanocomposites.Nanomaterials (Basel, Switzerland) · 2023Review
- Review
- Facile synthesis of carbon nitride quantum dots as a highly selective and sensitive fluorescent sensor for the tetracycline detection.RSC advances · 2021Article
- Heptazine-BasedFrontiers in chemistry · 2021Review
- Techniques for Detection of Clinical Used Heparins.International journal of analytical chemistry · 2021Review
- Review: Applications of surface-enhanced fluorescence (SEF) spectroscopy in bio-detection and biosensing.Sensing and Bio-Sensing Research · 2020Review
- Fluoroimmunoassay of influenza virus using sulfur-doped graphitic carbon nitride quantum dots coupled with AgMikrochimica acta · 2020Article
- Fluorometric and electrochemical dual-mode nanoprobe for tetracycline by using a nanocomposite prepared from carbon nitride quantum dots and silver nanoparticles.Mikrochimica acta · 2020Article
- Colorimetric and fluorometric aggregation-based heparin assay by using gold nanoclusters and gold nanoparticles.Mikrochimica acta · 2019Article
- Aptamer-mediated N/Ce-doped carbon dots as a fluorescent and resonance Rayleigh scattering dual mode probe for arsenic(III).Mikrochimica acta · 2019Article
- A colorimetric heparin assay based on the inhibition of the oxidase mimicking activity of cerium oxide nanoparticles.Mikrochimica acta · 2019Article
- Colorimetric sensing strategy for heparin assay based on PDDA-induced aggregation of gold nanoparticles.Nanoscale advances · 2019Article
- Tannic acid-derivatized graphitic carbon nitride quantum dots as an "on-off-on" fluorescent nanoprobe for ascorbic acid via copper(II) mediation.Mikrochimica acta · 2019Article
- Optical, electrochemical and catalytic methods for in-vitro diagnosis using carbonaceous nanoparticles: a review.Mikrochimica acta · 2019Review
- A ratiometric fluorometric heparin assay based on the use of CdTe and polyethyleneimine-coated carbon quantum dots.Mikrochimica acta · 2018Article
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Authors and funding
5 authors at 2 institutions in 2 countries.
Funding
Abstract
A composite (Ag-g-CNQDs) was prepared from graphitic carbon nitride quantum dots and silver nanoparticles by water phase synthesis. Aided by metal-enhanced fluorescence, the composite exhibits excitation-dependent red emission with a peak at 600 nm with a quantum yield of 21%. If the composite is coated with polyethylenimine (PEI) to form the Ag-g-CNQD/PEI complexe, fluorescence is strongly reduced. Upon addition of heparin, the fluorescence of the system is enhanced because PEI has a higher affinity for heparin than Ag-g-CNQDs. The effect was used to design a fluorometric assay for heparin. The emission at 600 nm increases linearly in the 0.025 to 2.5 μM heparin concentration range, with a 8.2 nM limit of detection. Graphical abstract Schematic illustration for fabricating a composite consisting of silver nanoparticles and graphitic carbon nitride quantum dots (Ag-g-CNQDs). Its red fluorescence is weak in presence of polyethyleneimine but restored on addition of heparin. This forms the basis for a new method for heparin detection.
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Registered trials
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