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Papers
61,005 resultsShowing papers similar to Self-Assembled Three-Dimensional Au Films as Highly Reproducible and “Hotspots”-Rich Substrates for Multiplex SERS Detection
ClearSelf-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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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 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.
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.
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.
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.
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.
Flexible 3D Plasmonic Web Enables Remote Surface Enhanced Raman Spectroscopy
Researchers developed a flexible three-dimensional plasmonic web embedded in a biohybrid material that enables highly sensitive remote detection of chemicals using surface-enhanced Raman spectroscopy. The technology creates abundant electromagnetic hot spots that can detect molecules at extremely low concentrations. The study suggests this sensing platform could be applied to environmental monitoring, including the detection of microplastic-associated contaminants.
Development of SERS metal sensors
This French-language doctoral thesis reviews the development of SERS-based metal sensors for detecting environmental pollutants. Surface-enhanced Raman spectroscopy is an emerging analytical tool for identifying and measuring microplastics and chemical contaminants in environmental samples.
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.
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.
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.
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.
Submicron- and nanoplastic detection at low micro- to nanogram concentrations using gold nanostar-based surface-enhanced Raman scattering (SERS) substrates
This study developed gold nanostar-based surface-enhanced Raman scattering (SERS) substrates capable of detecting submicron- and nanoplastic particles at very low concentrations (micro- to nanogram per liter), filling a gap in analytical methods for the smallest plastic particles in complex matrices such as food and marine waters.