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Papers
61,005 resultsShowing papers similar to Stable and Reusable Lace-like Black Silicon Nanostructures Coated with Nanometer-Thick Gold Films for SERS-Based Sensing
ClearSelf-Assembled Three-Dimensional Au Films as Highly Reproducible and “Hotspots”-Rich Substrates for Multiplex SERS Detection
Researchers developed a low-cost method for fabricating three-dimensional gold nanostructured films with highly reproducible SERS hotspots by self-assembly, enabling uniform surface-enhanced Raman detection of trace analytes for environmental monitoring and food safety applications.
A Simple Method for the Fabrication of Silicon Inverted Pyramid Substrates for Surface-Enhanced Raman Spectroscopy
Researchers developed a simple, low-cost method using silver-assisted chemical etching to fabricate silicon inverted pyramid substrates for surface-enhanced Raman spectroscopy (SERS). SERS is one of the sensitive analytical tools used to detect and identify microplastics at very small particle sizes in environmental samples.
Development of a simple SERS substrate for the detection of pollutants and nanoplastics
Researchers fabricated silver- and gold-coated silicon SERS substrates and demonstrated their ability to detect nanoplastic particles as small as 50 nm by Raman mapping, achieving picomolar sensitivity for model compounds and showing strong potential for environmental monitoring of nanoplastics in food and water.
Self-Assembled Three-Dimensional Au Films as HighlyReproducible and “Hotspots”-Rich Substrates for MultiplexSERS Detection
Researchers developed a low-cost strategy for fabricating three-dimensional gold films with high 'hotspot' density using a deep eutectic solvent-mediated interfacial self-assembly process, creating highly reproducible SERS substrates for multiplex analyte detection. The 3D plasmonic architecture addressed the longstanding challenge of achieving uniform hotspot distribution in SERS substrates.
Characterizing planar SERS substrates: unraveling the link between physical characteristics and performance metrics
Researchers systematically reviewed how the physical characteristics of surface-enhanced Raman spectroscopy (SERS) substrates relate to their sensing performance. They found that while enhancement factor, sensitivity, and reproducibility are the key performance metrics, there is no standardized way to connect substrate design features to these outcomes. The study calls for better characterization standards to make it easier to compare and optimize SERS platforms for applications including environmental pollutant detection.
A Highly Sensitive SERS Substrate for Detection of Nanoplastics in Water
Researchers developed a highly sensitive SERS-based substrate for detecting nanoplastic particles in water at very low concentrations. Improved detection tools for nanoplastics are essential for monitoring their presence in drinking water and understanding exposure risks to human health.
Highly Scalable, Wearable Surface‐Enhanced Raman Spectroscopy
Researchers developed highly scalable wearable surface-enhanced Raman spectroscopy (SERS) sensors capable of detecting molecular-level chemical information from the skin, advancing the field of non-invasive chemical sensing with potential applications in environmental exposure monitoring.
LSP-SPP Coupling Structure Based on Three-Dimensional Patterned Sapphire Substrate for Surface Enhanced Raman Scattering Sensing
This paper is not relevant to microplastics research — it describes a surface-enhanced Raman scattering (SERS) sensor substrate fabricated using three-dimensional patterned sapphire and silver nanoparticles for chemical detection applications.
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.
Urchin-like covalent organic frameworks templated Au@Ag composites for SERS detection of emerging contaminants
Researchers fabricated gold-silver core-shell composites on urchin-like covalent organic frameworks to create a highly sensitive platform for detecting trace contaminants using Raman spectroscopy. The material successfully detected sulfonamide antibiotics and polystyrene nanoplastics at very low concentrations using a portable spectrometer. The study demonstrates a practical approach for field-based detection of emerging environmental contaminants at parts-per-billion levels.
Investigation into the Regulation of Ag NPs/ZnO NRs/GaN Heterostructure SERS Substrate via Pyroelectric Effects
Researchers synthesized an Ag NPs/ZnO NRs/GaN heterostructure with type II staggered energy band alignment and demonstrated that pyroelectric effects from the ZnO and GaN components regulate charge transfer and enhance SERS substrate performance for sensitive chemical and microplastic detection.
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.
Detection of PFAS and nanoplastics in serum by using Ag nanowires film SERS substrate with good reusability and sensitivity
Researchers developed a reusable silver nanowire sensor that can detect PFAS chemicals and nanoplastics in blood serum samples using surface-enhanced Raman spectroscopy. The sensor achieved very high sensitivity and could be reused up to 10 times without significant loss of accuracy. This technology offers a practical new method for monitoring these emerging contaminants in biological samples for both clinical and environmental purposes.
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.
Plasmonic filter paper for microplastic detection: SERS enhancement, size dependence, and quantitative limitations
Researchers fabricated SERS-active gold-coated filter paper substrates and evaluated their performance for detecting microplastics, finding that SERS signal strength depends significantly on particle size and that the technique has inherent limitations for quantitative analysis of microplastic concentrations.
Size-matching effects in quantitative detection of PS nanoplastics using controllable and reusable Ag nanoarrays SERS substrates
Researchers fabricated silver nanoarrays with tunable inter-column spacing in anodized aluminum oxide templates and showed that matching array geometry to target nanoplastic particle size enables sensitive SERS detection (limit of detection 10 µg/mL) in river water, rainwater, and tap water, with the substrate remaining effective after 30 reuse cycles.
A simple and rapid preparation of Au-Ag alloy nanourchins flexible membrane for ultrasensitive SERS detection of microplastics in water environment
Researchers fabricated flexible gold-silver alloy nanourchins on a membrane substrate and demonstrated their use as a SERS sensor for rapid, sensitive detection of microplastics in water, achieving detection of multiple polymer types at low concentrations without complex sample preparation.
SERS Detection of Hydrophobic Molecules: Thio-β-Cyclodextrin-Driven Rapid Self-Assembly of Uniform Silver Nanoparticle Monolayers and Analyte Trapping
A thio-β-cyclodextrin-mediated self-assembly protocol created compact silver nanoparticle monolayers at oil/water interfaces within 40 seconds, enabling high-sensitivity SERS detection of hydrophobic molecules by entrapping analytes within plasmonic hotspots.
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.
Inter-coffee-ring effects boost rapid and highly reliable SERS detection of TPhT on a light-confining structure
This study developed a highly sensitive detection method for triphenyltin, a toxic industrial chemical, using gold nanoparticles and surface-enhanced Raman spectroscopy on a specially designed substrate. The method achieves rapid, reproducible detection at trace concentrations relevant to environmental and food safety monitoring.
A Scalable Synthesis of Ag Nanoporous Film As an Efficient SERS-Substrates for Sensitive Detection of Nanoplastics
Researchers developed a new sensor using silver nanoparticles that can detect nanoplastics at very low concentrations using a technique called SERS (surface-enhanced Raman spectroscopy). The sensor could identify tiny polystyrene particles down to 50 nanometers in size. Better detection tools like this are essential for monitoring nanoplastic contamination in food and water, since current methods often miss the smallest and potentially most dangerous plastic particles.
Optically Controlled Aggregation of Gold Nanorods for Ultrasensitive in-Liquid Sensing: From Biomolecules to Nano-Plastics
Researchers used radiation pressure to control in-situ aggregation of gold nanorods, enabling ultrasensitive SERS-based detection of biomolecules and nanoplastics in liquid environments at trace concentrations.
Na2Ti3O7@RF@Ag Heterostructures as Efficient Substrates for SERS and Photocatalytic Applications
Researchers synthesized novel three-dimensional nanostructures combining sodium titanate nanowires with silver nanoparticles for use in surface-enhanced Raman spectroscopy (SERS) detection and photocatalytic applications. This nanotechnology study focuses on chemical sensing and catalysis with no direct connection to environmental microplastics.
From molecular to nanoplastic SERS detection: insights into the role of analytes in plasmonic substrate design
Researchers investigated the gap between using probe molecules to demonstrate SERS substrate efficiency and the practical detection of nanoplastics, developing substrates and protocols that can identify and characterize nanoplastic particles directly in environmental samples.