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Papers
61,005 resultsShowing papers similar to Recent advances in the functionalization of cellulose substrates for SERS sensors with improved performance
ClearDetection 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.
Bacterial Nanocellulose Membrane Deposited with Silver Nanoparticles for SERS Detection of Microplastics
Researchers developed a flexible surface-enhanced Raman scattering (SERS) substrate by depositing well-dispersed silver nanoparticles onto bacterial nanocellulose membranes, achieving a Raman signal enhancement factor of up to 331 for polyethylene solutions at 0.1 g/L. The substrate combines the electromagnetic enhancement of AgNPs with the flexible, porous structure of bacterial nanocellulose for practical microplastic detection applications.
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.
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 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.
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.
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.
Advancing SERS-based detection of micro and nanoplastics in Agroecosystems: Current progress, challenges, and future directions
This review examines the potential of surface-enhanced Raman spectroscopy (SERS) as a point-of-care detection tool for micro- and nanoplastics in agroecosystems, highlighting its sensitivity advantages over conventional methods. It covers SERS substrate design, pre-treatment strategies, and recent applications in soil and plant matrices.
Advances in Surface‐Enhanced Raman Spectroscopy for Detection of Aquatic Environmental Pollutants
This review examines surface-enhanced Raman scattering (SERS) as a technique for detecting aquatic pollutants, highlighting its exceptional sensitivity and molecular fingerprinting capability for identifying microplastics and other contaminants at trace concentrations.
A review of recent progress in the application of Raman spectroscopy and SERS detection of microplastics and derivatives
This review covers advances in using Raman spectroscopy and surface-enhanced Raman spectroscopy (SERS) to detect and identify microplastics in the environment. These techniques offer high resolution and sensitive detection that can identify specific plastic types even at very small sizes. Better detection methods are essential for understanding the true extent of microplastic contamination and its potential risks to human health.
In 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.
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.
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.
Strategies and Challenges of Identifying Nanoplastics in Environment by Surface-Enhanced Raman Spectroscopy
Researchers reviewed the use of surface-enhanced Raman spectroscopy (SERS) as a tool for detecting nanoplastics, which are plastic particles smaller than one micrometer. The study found that SERS offers high sensitivity for identifying individual nanoparticles, but significant challenges remain in applying this technique to complex environmental samples. The review outlines strategies for improving SERS-based nanoplastic detection to better assess environmental and health risks.
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.
Trapping tiny pollutants: SERS-driven strategies for microplastics and nanoplastics detection
This review explores how surface-enhanced Raman spectroscopy (SERS) is being developed as a highly sensitive tool for detecting and identifying micro- and nanoplastics in environmental and biological samples. Researchers highlight recent advances in sensor design, the integration of machine learning for improved accuracy, and the technique's potential for real-world monitoring. The study also identifies key challenges, including signal variability and the lack of standardized methods, that need to be resolved for broader adoption.
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.
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.
On-Site Detection of Nanoplastics in Liquid Phase by SERS Method
Researchers developed an on-site detection method for nanoplastics in liquid samples using surface-enhanced Raman spectroscopy (SERS), achieving sensitive identification without the laboratory infrastructure required by conventional GC-MS approaches. The SERS method successfully differentiated nanoplastic types in environmental water samples, offering a practical tool for rapid field-deployable nanoplastic monitoring.
SERS of organic analyte on the filter paper with TiO2 ALD coating and Ag nanoparticles
This study investigated how titanium dioxide coatings of different thicknesses on filter paper substrates affect signal detection when using surface-enhanced Raman spectroscopy with silver nanoparticles. Optimizing these substrate materials could improve detection sensitivity for trace organic analytes relevant to environmental monitoring and food safety.
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.
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.
Hydrogel‐based surface‐enhanced Raman spectroscopy for food contaminant detection: A review on classification, strategies, and applications
This review covers hydrogel-based surface-enhanced Raman spectroscopy (SERS) substrates for detecting food contaminants. It is not about microplastics and is not relevant to microplastic research.
Nano-arrayed Cu2S@MoS2 heterojunction SERS sensor for highly sensitive and visual detection of polystyrene in environmental matrices
Researchers developed a noble-metal-free semiconductor heterojunction sensor using Cu2S and MoS2 that can detect polystyrene micro- and nanoplastics via surface-enhanced Raman spectroscopy (SERS) down to 50 µg/mL, offering a cost-effective and visually interpretable alternative to conventional plastic detection methods.