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Papers
61,005 resultsShowing papers similar to Bacterial Nanocellulose Membrane Deposited with Silver Nanoparticles for SERS Detection of Microplastics
ClearIn situ synthesis of gold-core silver-shell nanoparticles on bacterial cellulose for SERS detection of micro- and nanoplastic particles in vegetables
Researchers developed a novel sensor using gold-silver nanoparticles grown on bacterial cellulose to detect micro- and nanoplastics in leafy vegetables via surface-enhanced Raman spectroscopy. The sensor reliably detected polyethylene and polystyrene particles in kale samples at concentrations as low as a few milligrams per kilogram. This eco-friendly detection platform demonstrates potential for practical monitoring of plastic contamination in food products.
Recent advances in the functionalization of cellulose substrates for SERS sensors with improved performance
This review covered advances in functionalizing cellulose substrates for surface-enhanced Raman spectroscopy (SERS) sensors, focusing on metal nanoparticle functionalization strategies that improve sensitivity and reproducibility. Cellulose-based SERS substrates are relevant for environmental microplastic detection given their sustainability and ease of functionalization.
Fabrication of Bowl Array Surface-Enhanced Raman Scattering Substrates via Ag Nanoparticle Self-Assembly on Polymer UV-Imprinted Microbowls for Enhanced Raman Detection of Microplastics
Researchers fabricated bowl-array surface-enhanced Raman scattering substrates by depositing silver nanoparticles via self-assembly onto UV-imprinted polymer microbowls, creating 50-micrometre diameter bowl structures that combine SERS enhancement with light-trapping to enable highly sensitive detection of micrometer-sized microplastics.
A gold nanoparticle doped flexible substrate for microplastics SERS detection
Researchers developed a gold nanoparticle-doped filter paper as a flexible substrate for detecting microplastics using surface-enhanced Raman scattering. The method achieved a minimum detectable concentration of 0.1 grams per liter for PET in water and was successfully validated by detecting microplastics in tap water and pond water samples.
Meniscus‐Confined 3D Printed Nanoparticles: A Comparative Study of Quantitative SERS Detection of Microplastics
Detecting microplastics accurately in environmental samples is technically challenging, and this study introduces a new approach using 3D-printed silver and gold nanoparticle surfaces that amplify the light signal from microplastics when analyzed by Raman spectroscopy. Both types of printed substrates could detect plastic particles at concentrations as low as 0.3–1.2 micrograms per milliliter, with high reproducibility across dozens of repeated measurements. This technology could make routine, sensitive microplastic monitoring faster and more practical for environmental agencies and researchers.
Advanced microplastic monitoring using Raman spectroscopy with a combination of nanostructure-based substrates
Researchers reviewed advances in Raman spectroscopy and surface-enhanced Raman scattering (SERS) — a technique that amplifies light signals using metallic nanostructures — for detecting micro- and nanoplastics at trace concentrations in environmental samples, highlighting new plasmonic materials, 3D substrates, and microfluidic chip platforms that enable on-site monitoring.
Development of Gold Nanostars Doped Flexible Substrate for Polystyrene Microplastic Detection Using Surface-enhanced Raman Scattering (sers)
Detecting microplastics in the environment requires fast, sensitive analytical tools, and this study developed a low-cost sensor using gold nanostars on a flexible substrate to detect polystyrene microplastics via surface-enhanced Raman scattering (SERS). The gold nanostar structures amplify the Raman signal of plastic particles, enabling detection at very low concentrations. This kind of portable, affordable detection technology could help expand microplastic monitoring beyond well-equipped research labs.
Study of microplastics as sorbents for rapid detection of multiple antibiotics in water based on SERS technology
Researchers used polyethylene microplastics as sorbents combined with surface-enhanced Raman scattering (SERS) technology to rapidly detect multiple antibiotic residues in water, demonstrating that microplastics' tendency to adsorb contaminants can be repurposed as a tool for environmental monitoring.
Detection of nanoplastics through low-cost SERS substrates, based on 3D islands of aggregated gold nanoparticles on aluminum foil, for wide ranging applications
Researchers developed a low-cost surface-enhanced Raman spectroscopy (SERS) substrate by combining aluminium foil with 3D aggregates of gold nanoparticles stabilised by cucurbit[5]uril, enabling sensitive nanoplastic detection through plasmonic coupling. The substrate achieved trace-level analyte detection and offers a practical, scalable approach for nanoplastic identification across a wide range of environmental and analytical applications.
Detection of nanoplastics based on surface-enhanced Raman scattering with silver nanowire arrays on regenerated cellulose films
Surface-enhanced Raman scattering substrates made from silver nanowires deposited on regenerated cellulose films achieved sensitive detection of nanoplastic particles including polystyrene and polymethylmethacrylate at concentrations in the nanogram-per-liter range, demonstrating a practical SERS platform for environmental nanoplastic monitoring.
Direct On-AnalyteFabrication of Au Nanoparticlesfor Substrate-Free SERS Detection of Micro and Nanoplastics
Researchers developed a substrate-free SERS detection method using direct on-analyte fabrication of gold nanoparticles to identify micro- and nanoplastic particles at extremely low concentrations in complex environmental matrices. The approach leverages characteristic Raman fingerprints of plastic polymers without requiring conventional fixed substrates, enabling more flexible and sensitive detection.
SERS-Based Local Field Enhancement in Biosensing Applications
This review examined recent advances in surface-enhanced Raman scattering substrates used for detecting biological molecules and environmental contaminants, including microplastics. Researchers discussed how new materials ranging from semiconductors to flexible three-dimensional structures have expanded the technology's capabilities for sensitive, non-destructive molecular identification. The study suggests that more cost-effective and efficient SERS substrates could improve environmental monitoring and food safety testing applications.
Fluorescence Quenching SERS Detection: a 2D MoS2 Platform Modified with a Large π‐Conjugated Organic Molecule for Bacterial Detection
Despite its title referencing SERS detection, this paper studies a specialized sensor material for detecting bacteria in very low concentrations using surface-enhanced Raman spectroscopy — not microplastic pollution. It examines a MoS2-based heterostructure that improves detection sensitivity by suppressing fluorescence interference, and is not relevant to microplastics or human health.
Superhydrophobic Surface-Enhanced Raman Spectroscopy (SERS) Substrates for Sensitive Detection of Trace Nanoplastics in Water
Researchers developed a new method to detect extremely small nanoplastics in water by combining a water-repelling surface that concentrates particles with a technique called SERS that amplifies their chemical signal. The method can identify common nanoplastics like polystyrene and PMMA at very low concentrations, which is an important step toward monitoring these tiny pollutants that are difficult to detect with current tools.
Cellulose Nanofiber Films with Gold Nanoparticles Electrostatically Adsorbed for Facile Surface-Enhanced Raman Scattering Detection
Researchers created cellulose nanofiber films with electrostatically adsorbed gold nanoparticles for use as surface-enhanced Raman scattering substrates. The films demonstrated high sensitivity for detecting contaminants like methylene blue and microplastics at very low concentrations, with good signal reproducibility and storage stability over 30 days.
Latest Advances and Developments to Detection of Micro‐ and Nanoplastics Using Surface‐Enhanced Raman Spectroscopy
This review examines the latest developments in using surface-enhanced Raman spectroscopy (SERS) to detect micro- and nanoplastics in various environmental samples. Researchers found that SERS offers significantly improved sensitivity compared to conventional methods, enabling detection of smaller plastic particles. The study suggests that SERS-based approaches hold promise for advancing nanoplastic detection, though challenges around standardization and reproducibility remain.
Detection of Sub-Micro- and Nanoplastic Particles on Gold Nanoparticle-Based Substrates through Surface-Enhanced Raman Scattering (SERS) Spectroscopy
Gold nanoparticle-based SERS substrates were used to detect sub-micro and nanoplastic particles including polystyrene, PET, and PVC, demonstrating that this technique can identify plastic particles below the size threshold of conventional Raman microscopy.
Detection of blue nanoplastics using resonance Raman spectroscopy coupled with plasmonic nanostructured substrates
Researchers developed a method for detecting blue-colored nanoplastics using resonance Raman spectroscopy combined with plasmonic nanostructured substrates as surface-enhanced Raman scattering (SERS) substrates. The approach addressed the challenge of detecting sub-micron particles in complex environmental matrices where physical and chemical aging alter nanoplastic signatures.
Synergistic SERS effects in organic/MoS2 heterojunctions with cavity structure enabling nanoplastics screening and antibiotic adsorption behavior detection
Researchers developed a novel surface-enhanced Raman scattering substrate using organic molecules and molybdenum disulfide on an anodic aluminum oxide template for detecting nanoplastics and their interactions with antibiotics. The conical cavity structure enabled detection of nanoplastics smaller than 450 nanometers at very low concentrations, along with antibiotic-nanoplastic complexes. The study provides a low-cost and highly sensitive platform for monitoring these emerging environmental contaminants.
Hydrophobicity-driven self-assembly of nanoplastics and silver nanoparticles for the detection of polystyrene microspheres using surface enhanced Raman spectroscopy
Researchers developed a highly sensitive method for detecting nanoplastic particles using surface-enhanced Raman spectroscopy (SERS) on a super-hydrophobic (water-repelling) surface that concentrates the particles into a small spot. The technique detected polystyrene nanoplastics at concentrations as low as 0.5 mg/L, far below what conventional approaches can achieve. Better detection tools for nanoplastics are urgently needed since these ultra-small particles are the hardest to find yet potentially the most biologically hazardous fraction of plastic pollution.
Plasmonic Coacervate as a Droplet-Based SERS Platform for Rapid Enrichment and Microanalysis of Hydrophobic Payloads
Researchers developed a coacervate microdroplet platform incorporating silver nanoparticles as a surface-enhanced Raman scattering (SERS) substrate for detecting and quantifying trace hydrophobic contaminants, including those associated with microplastics. The platform demonstrated effective enrichment and sensitive detection of hydrophobic analytes, offering a droplet-based approach for microplastic-associated pollutant analysis.
Efficient silver-based hybrid nano-assemblies for polystyrene nanoparticles SERS detection
Researchers built nanoscale silver-silicon hybrid platforms that can detect polystyrene nanoplastics using a technique called surface-enhanced Raman spectroscopy. The platforms achieved high sensitivity with detection limits in the microgram-per-milliliter range. The technology offers a promising approach for identifying nanoscale plastic particles that are too small for conventional detection methods.
Surface enhanced raman spectroscopy based sensitive and onsite detection of microplastics in water utilizing silver nanoparticles and nanodendrites
This study developed a surface-enhanced Raman spectroscopy method using silver nanoparticles and nanodendrites for rapid, on-site detection of microplastics in water, achieving sensitive polymer identification without extensive sample preparation.
Place & Play SERS: sample collection and preparation-free surface-enhanced Raman spectroscopy
A flexible, adhesive gold-polyvinyl alcohol nanomesh substrate was developed for surface-enhanced Raman spectroscopy (SERS), enabling spectra acquisition by simply pressing the substrate onto a sample without any preparation steps. The approach simplifies SERS-based detection of surface contaminants including microplastics.