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Papers
61,005 resultsShowing papers similar to Self-Assembled Three-Dimensional Au Films as HighlyReproducible and “Hotspots”-Rich Substrates for MultiplexSERS Detection
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.
Stable and Reusable Lace-like Black Silicon Nanostructures Coated with Nanometer-Thick Gold Films for SERS-Based Sensing
Researchers developed a simple method for producing gold-coated black silicon nanostructures as reusable SERS substrates with an enhancement factor of 10^6, enabling sensitive and cost-effective chemical detection for sensing 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.
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.
Mechanically Flexible, Large-Area Fabrication of Three-Dimensional Dendritic Au Films for Reproducible Surface-Enhanced Raman Scattering Detection of Nanoplastics
Researchers developed flexible three-dimensional dendritic gold film substrates for detecting nanoplastics in water and food using surface-enhanced Raman scattering. The substrates demonstrated high reproducibility and stability, enabling sensitive detection of trace amounts of nanoplastic particles. The technology offers a promising new tool for monitoring nanoplastic contamination in environmental and food safety applications.
Ionic Liquid-Assisted Thermal Evaporation of Bimetallic Ag–Au Nanoparticle Films as a Highly Reproducible SERS Substrate for Sensitive Nanoplastic Detection in Complex Environments
Scientists developed a highly sensitive sensor using silver-gold nanoparticle films that can detect tiny PET nanoplastics in complex liquids like tap water, lake water, milk, and wine. The sensor could identify nanoplastics at concentrations as low as 1 microgram per milliliter using a light-based technique called SERS. This kind of detection tool is important for monitoring nanoplastic contamination in food and drinking water to better understand human exposure levels.
Colloidal Multiscale Assembly via Photothermally Driven Convective Flow for Sensitive In‐Solution Plasmonic Detections
Researchers developed a facile method for producing three-dimensional multiscale assemblies of molecules, nanoparticles, and microparticles using photothermally driven convective flow, enabling sensitive in-solution surface-enhanced Raman spectroscopy (SERS) without chemical linkers or templates. The photothermally generated convection concentrated colloids and targets into a small probe volume, improving plasmonic detection sensitivity.
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.
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.
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.
Co-Self-AssembledMonolayer Enables Sensitive SERSDetection of Nanoplastics via Spontaneous Hotspot Entrapment
Researchers developed a SERS detection strategy for nanoplastics using co-self-assembly of silver nanoparticles and nanoplastic particles into a monolayer, enabling 90% of nanoplastics in solution to transfer to the monolayer within 30 seconds and become uniformly entrapped in plasmonic hotspots. The method achieved quantitative detection of 80, 300, and 800 nm polystyrene nanoplastics in the range of 0.01-2 mg/L with a detection limit in the microgram-per-litre range.
Investigation of multivariate analysis of surface-enhanced Raman scattering spectra using simple machine-learning models: Prediction of the composition of mixed self-assembled monolayer on gold surface
This analytical chemistry study investigates machine learning methods for analyzing surface-enhanced Raman spectroscopy (SERS) data to predict the composition of mixed chemical layers on gold surfaces. While focused on analytical chemistry, SERS is also used to identify and characterize microplastics, and improved analysis methods could benefit environmental monitoring.
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.
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.
Plasmon Enhanced Universal SERS Detection of Hierarchical Plastics by 3D Plasmonic Funnel Metastructure
Researchers developed a 3D plasmonic nanostructure — a specialized surface covered in densely packed gold nanocones — that can detect microplastics and nanoplastics in water at extremely low concentrations using a technique called surface-enhanced Raman scattering (SERS). The device achieved detection limits as low as 10 nanograms per liter and could simultaneously identify plastics ranging from 30 nanometers to several micrometers. This kind of ultrasensitive, versatile sensor addresses a major gap: current detection tools struggle with the smallest plastic particles, which are also the most biologically concerning. The approach could support both environmental monitoring and research into nanoplastic behavior.
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.
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.
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.
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.
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.
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.
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.
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.
Engineering the Hot-Spots in Au–Ag Alloy Nanoparticles through Meniscus-Confined 3D Printing for Microplastic Detection
Researchers engineered gold-silver alloy nanoparticle substrates using 3D printing for sensitive detection of microplastics via surface-enhanced Raman spectroscopy. The study demonstrated that these substrates can detect extremely low concentrations of polystyrene and PMMA microplastics, advancing rapid and sensitive microplastic monitoring capabilities.