We can't find the internet
Attempting to reconnect
Something went wrong!
Hang in there while we get back on track
Papers
61,005 resultsShowing papers similar to Flexible 3D Plasmonic Web Enables Remote Surface Enhanced Raman Spectroscopy
ClearAdvanced 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.
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.
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.
Applications of surface‐enhanced Raman spectroscopy in environmental detection
This review covers recent advances in surface-enhanced Raman spectroscopy, a highly sensitive analytical technique being applied to detect environmental contaminants including microplastics, heavy metals, pesticides, and pathogens. Researchers highlight effective substrate designs and detection methods that could enable faster, more accurate environmental monitoring. The technology shows promise for real-world applications but still faces challenges in moving from laboratory settings to field deployment.
High-sensitivity SERS sensor leveraging three-dimensional Ti3C2Tx/TiO2/W18O49 semiconductor heterostructures for reliable detection of trace micro/nanoplastics in environmental matrices
Researchers developed a new sensor that can detect trace amounts of micro- and nanoplastics in environmental samples like rainwater, soil, and wastewater. The sensor uses a layered semiconductor structure to enhance Raman spectroscopy signals, achieving high sensitivity and the ability to identify multiple plastic types at once. This technology could make it faster and more practical to monitor plastic pollution in real-world settings.
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.
Surface plasmon resonance sensor based on a novel prism for the detection of a broad range of polymers
Researchers developed a surface plasmon resonance sensor using a novel prism design capable of detecting a broad range of polymer types in environmental samples, overcoming limitations of traditional spectroscopic methods that are time-consuming and restricted in polymer coverage. The sensor offers a faster, more versatile approach to microplastic detection across diverse sample matrices.
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.
Plasmonic Carbonaceous Nanotemplates for Microplastics Raman Detection
Scientists developed a carbon-based nanostructure platform that enhances Raman spectroscopy signals, enabling more sensitive and accurate detection of microplastics in environmental samples. This tool could improve monitoring of microplastic pollution at concentrations previously too low to measure reliably.
Surface-Enhanced Raman Spectroscopy Facilitates the Detection of Microplastics <1 μm in the Environment
Researchers developed a method using surface-enhanced Raman spectroscopy to detect and identify individual microplastic particles smaller than one micrometer. This technique addresses a major gap in environmental monitoring, since most current methods cannot reliably detect the smallest microplastics that may pose the greatest risk due to their ability to enter cells and tissues.
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.
Surface-enhanced Raman spectroscopy for the detection of microplastics
Researchers developed a surface-enhanced Raman spectroscopy method using gold nanoparticles to detect polystyrene microplastics at concentrations as low as 6.5 micrograms per milliliter, offering a new tool for detecting sub-micron plastic pollutants in water.
Thermoelectrically Driven Dual-Mechanism Regulation on SERS and Application Potential for Rapid Detection of SARS-CoV-2 Viruses and Microplastics
Researchers developed a highly sensitive thermoelectrically driven surface-enhanced Raman scattering (SERS) substrate for detecting trace-level contaminants. The study demonstrated that applying a temperature gradient to the substrate dramatically enhanced detection sensitivity, with potential applications for rapid identification of microplastics and other environmental contaminants at very low concentrations.
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.
Flexible, Transparent,and Microfluidic-CompatibleWafer-Scale Metamaterial Sheets for Dual SEF and SERS Sensing
Researchers developed flexible, transparent, wafer-scale metamaterial sheets capable of simultaneously performing surface-enhanced fluorescence and surface-enhanced Raman spectroscopy sensing, addressing long-standing challenges around dielectric spacers and limited plasmonic resonance band coverage in microfluidic-compatible formats.
Measurement of Low Concentration of Micro-Plastics by Detection of Bioaffinity-Induced Particle Retention Using Surface Plasmon Resonance Biosensors
Researchers used surface plasmon resonance biosensors coated with biological recognition molecules to detect microplastics at low concentrations in water, demonstrating a sensitive and label-free detection approach that could be adapted for real-time environmental monitoring.
Broadband background-free stimulated Raman scattering microspectroscopy with a novel frequency modulation scheme
Researchers developed broadband background-free stimulated Raman scattering microspectroscopy using a novel laser system, enabling chemical imaging without the fluorescence background that limits conventional Raman measurements. The technique offers improved sensitivity for detecting microplastics and other materials in complex biological samples.
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.
Liquid Interfacial Coassembly of Plasmonic Arrays and Trace Hydrophobic Nanoplastics in Edible Oils for Robust Identification and Classification by Surface-Enhanced Raman Spectroscopy
Researchers developed a surface-enhanced Raman spectroscopy method that uses liquid interface coassembly of gold nanoparticles to detect trace amounts of nanoplastics in edible oils and aqueous environments. The technique achieved detection limits at the microgram-per-milliliter level and, combined with principal component analysis, enabled differentiation and classification of multiple nanoplastic types.
Flexible, Transparent, and Microfluidic-Compatible Wafer-Scale Metamaterial Sheets for Dual SEF and SERS Sensing
A flexible, transparent, and microfluidic-compatible sensor fabricated at the wafer scale was developed for detecting particles in water, with applications for microplastic detection. The device advances miniaturized, on-chip analysis of microplastics suitable for integration into portable monitoring tools.
Peptide-Decorated Microneedles for the Detection of Microplastics
Researchers developed a new sensor using tiny microneedles coated with specially designed peptides that can capture and detect microplastics. The peptides bind to the hydrophobic surfaces of plastic particles, and Raman spectroscopy confirms the capture. This technology could make it easier and faster to test for microplastic contamination in water, food, and other environmental samples.
Applications of Raman spectroscopy for microplastic detection and characterization: a comprehensive spectral reference
This review evaluates Raman spectroscopy as a tool for detecting and identifying microplastics across water, soil, air, and biological samples. The study consolidates reference spectra for common plastic polymers and discusses recent innovations like surface-enhanced Raman techniques that improve detection sensitivity, while also addressing challenges like fluorescence interference in complex samples.
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.
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.