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Papers
20 resultsShowing papers similar to Advances and prospects of carbon dots for microplastic analysis
ClearEnvironmental applications of carbon dots: Addressing microplastics, air and water pollution
This review examined how carbon dots, a class of nanomaterials, can be applied to environmental challenges including microplastic detection, air quality monitoring, and water purification. Researchers found that the unique optical and chemical properties of carbon dots make them particularly promising for sensing and removing pollutants. The study highlights the versatility of these materials as tools for addressing multiple forms of environmental contamination.
Recent Advances in the Synthesis, Characterization, and Application of Carbon Dots in the Field of Wastewater Treatment: A Comprehensive Review
This review covers carbon dots, a type of nanomaterial that can be used to detect and remove pollutants from wastewater, including heavy metals, dyes, and organic chemicals. Carbon dots can improve water filtration membranes and boost the effectiveness of biological treatment systems. While not directly about microplastics, these technologies could be adapted to help detect and filter microplastics from drinking water and wastewater.
Plastic-derived carbon dots for sustainable environmental applications
Researchers developed a method to convert waste plastic into carbon dots — ultrasmall carbon nanomaterials with tunable photoluminescence and low toxicity — offering a sustainable approach to upcycling non-biodegradable plastic waste for environmental sensing and remediation applications.
Dual-mode optical nanoprobe based on red-emissive carbon dots for sensitive detection of positively charged nanoplastics
Researchers developed a dual-mode optical nanoprobe based on red-emissive carbon dots to detect positively charged nanoplastics in food and environmental samples. The probe detected charged nanoplastics with high sensitivity and selectivity via both fluorescence and colorimetric signals, offering a practical rapid-detection approach for a particle type that is especially bioaccumulative.
Revolutionizing microplastic detection in water through quantum dot fluorescence
Researchers developed a novel approach using carbon quantum dots to stain microplastics, enabling fluorescence-based detection in water at low cost and with simple synthesis, demonstrating high sensitivity and selectivity without the toxicity concerns of conventional fluorescent dyes.
Recent Advances in Functionalized Carbon Quantum Dots Integrated with Metal–Organic Frameworks: Emerging Platforms for Sensing and Food Safety Applications
This review covers advances in combining carbon quantum dots with metal-organic frameworks to create highly sensitive sensors for detecting food contaminants like heavy metals, pesticides, antibiotics, and pathogens. While not directly about microplastics, these sensing technologies could be adapted to help detect plastic contamination in food and environmental samples.
Plastic Waste-Derived Carbon Dots: Insights of Recycling Valuable Materials Towards Environmental Sustainability
Researchers review how waste plastics, including single-use items that surged during the COVID-19 pandemic, can be converted into carbon dots — tiny light-emitting nanoparticles under 10 nanometers — with useful applications in sensing, imaging, and catalysis. This recycling approach offers an environmentally sustainable way to transform a persistent pollution problem into valuable high-tech materials.
Preparation of N, Cl Co-Doped Lignin Carbon Quantum Dots and Detection of Microplastics in Water
Researchers synthesized nitrogen and chlorine co-doped lignin carbon quantum dots and demonstrated their use as a fluorescence-based sensor for detecting microplastics in water, offering a promising rapid and cost-effective monitoring approach.
Polydopamine-encapsulated carbon dots to boost analytical performance for microplastics detection in fluorescence mode
Sulfur-doped carbon dots encapsulated with polydopamine (S-CDs@PDA) were used to detect polyethylene microplastics via fluorescence, showing 21.3% higher fluorescence signal and 8% better detection efficiency than uncoated carbon dots on modified membrane substrates.
Revolutionizing microplastic detection in water through quantum dot fluorescence
This study introduced carbon quantum dot-based fluorescence staining for microplastic detection in water, achieving sensitive and selective identification through microwave-assisted synthesis without complex pretreatment, offering a practical low-cost alternative to conventional detection methods.
Novel simple accurate detection of microplastics based on image of photoluminescent nanoparticle carbon dots via machine learning and deep feature embedding
Researchers developed a simpler, more affordable method for detecting microplastics using fluorescent carbon dot nanoparticles combined with machine learning image analysis. The approach achieved highly accurate detection of PET microplastics by analyzing the glow patterns produced when carbon dots interact with plastic particles. The study suggests this optical-computational method could make microplastic monitoring more accessible by reducing the need for expensive specialized laboratory equipment.
Carbon quantum dots: Comparative analysis of synthesis strategies and their environmental application
This review provides a comparative analysis of carbon quantum dot (CQD) synthesis strategies and examines their environmental applications, highlighting CQDs' tunable photoluminescence, biocompatibility, and potential use in pollutant sensing and photocatalytic degradation.
Nitrogen-Doped Carbon Dots Derived from Onion Peel (Allium cepa) for Fluorescence-Based Detection of Microplastics
Researchers synthesized fluorescent nitrogen-doped carbon dots from onion peel and used them to detect high-density and low-density polyethylene microplastics, finding that the particles produced excitation-dependent fluorescence that enabled selective detection of both plastic types.
Principles, performance and emerging trends for optical detection of environmental microplastics: A review
This review summarizes recent advances in optical detection methods for identifying microplastics in environmental samples, covering both spectroscopic techniques like Raman and infrared spectroscopy and fluorescence-based approaches using dyes such as Nile red. Researchers highlight how machine learning is improving the accuracy and efficiency of spectroscopic identification. The study also evaluates emerging fluorescent materials like carbon dots for specific microplastic identification and environmental behavior tracing.
Sustainable microplastic detection using boron-doped carbon dots synthesized from chicken feathers
Researchers synthesized fluorescent boron-doped carbon dots from chicken feathers via one-pot sonochemical processing and demonstrated their use for detecting microplastics in water. The approach converts a poultry farming waste stream into a sustainable optical sensing material, offering a low-cost, environmentally friendly alternative to conventional microplastic detection probes.
Production of Carbon Quantum Dots Based on Oil Palm Fronds for Polyethylene and Polyethylene Terephthalate Microplastics Detection
Researchers synthesized carbon quantum dots from oil palm frond waste and tested their fluorescence properties for detecting polyethylene and PET microplastics. The bio-based quantum dots provided a cost-effective and environmentally friendly sensing approach for identifying common plastic polymers in environmental samples.
Recent Advances in Water Treatment Using Carbon Dots: A Comprehensive Review
This review paper summarizes recent research on carbon dots - tiny particles made from carbon that can help clean dirty water by removing harmful substances like heavy metals and germs. These particles show promise for making water safer to drink because they can grab onto pollutants and even glow to help scientists monitor water quality in real-time. However, scientists are still working to make this technology practical for large-scale water treatment plants that serve entire communities.
Selective Identification and Quantification of Microplastics Using Solid Fluorescent Green Carbon Dots (SFGCDs) – A Novel, Naked Eye Sensing Fluoroprobe
Researchers developed a novel fluorescent carbon dot probe that can selectively detect and quantify microplastics released from surgical face masks and cosmetic cleansers. The probe works through a fluorescence turn-off mechanism when microplastics are present, with a detection limit as low as 0.0063 g/L for particles 6 micrometers and larger. The study also demonstrated a simple filtration-based remediation approach, with the fluorescence signal recovering after microplastic removal.
PARAFAC- and PCA-Resolved Excitation–Emission Matrix Fluorescence of Ultra-Fine Polyamide-Derived Carbon Quantum Dots for Mechanistic Microplastic Discrimination
This study developed a fluorescence sensing platform using ultra-fine polyamide-derived carbon quantum dots (CQDs) with PARAFAC and PCA chemometric analysis to rapidly and selectively discriminate microplastic polymer types. The mechanism-driven approach achieved polymer-specific resolution that single-wavelength CQD sensors cannot provide.
Photoluminescence‐Based Techniques for the Detection of Micro‐ and Nanoplastics
This review examined photoluminescence-based techniques for detecting micro- and nanoplastics, evaluating fluorescent labeling and spectroscopic methods as promising approaches to address the challenge of identifying plastic particles at the smallest scales.