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20 resultsShowing papers similar to SERS Imaging and ICP-MS quantification of the biological uptake of nanoplastics using a dual-detectable model material
ClearSERS imaging and ICP-MS quantification of the biological uptake of nanoplastics using a dual-detectable model nanomaterial
Researchers synthesized a dual-detectable nanoplastic model with a gold nanoparticle core surrounded by a polymer shell, enabling simultaneous in situ visualization by surface-enhanced Raman spectroscopy and ex situ quantification by mass spectrometry, providing a more accurate tool for studying nanoplastic uptake in biological systems.
Imaging and quantifying the biological uptake and distribution of nanoplastics using a dual-functional model material
Researchers developed a dual-functional nanoplastic model material that allows both imaging and precise quantification of nanoplastic uptake in biological systems. Using surface-enhanced Raman spectroscopy and inductively coupled plasma mass spectrometry, they could track where nanoplastics accumulated in organisms at high resolution. The tool addresses a major gap in nanoplastic research by enabling more accurate measurement of how these tiny particles interact with living tissues.
Imaging and quantifying the biological uptake and distribution of nanoplastics using a dual-functional model material
This study used advanced imaging techniques to visualize and quantify nanoplastic uptake and distribution in biological systems, tracking particle translocation from exposure routes into tissues and characterizing intracellular localization.
From the synthesis of labeled nanoplastic model materials (isotopic and metallic) to their use in ecotoxicological studies with the detection and quantification analytical methods.
Researchers synthesized isotopically and metallically labeled nanoplastic model materials to enable tracking and quantification of plastic nanoparticles in complex biological and environmental matrices at trace concentrations. The labeled models supported mechanistic studies of nanoplastic fate and exposure by allowing detection at environmentally relevant concentrations not achievable with conventional unlabeled particles.
Simultaneous detection of nanoplastics and adsorbed pesticides by surface-enhanced Raman spectroscopy
Researchers used Surface-Enhanced Raman Spectroscopy (SERS) with silver and gold nanoparticles to simultaneously detect nanoplastic particles and pesticides adsorbed onto their surfaces at environmentally relevant concentrations. The technique successfully identified both the plastic carrier and the co-transported contaminant in a single measurement, demonstrating its utility for assessing the combined hazard of nanoplastic-pesticide complexes.
From the synthesis of labeled nanoplastic model materials (isotopic and metallic) to their use in ecotoxicological studies with the detection and quantification analytical methods.
This study developed labeled nanoplastic model materials using isotopic and metallic tracers to enable tracking and quantification of nanoplastics in complex biological and environmental matrices at environmentally relevant concentrations. Labeled particles allowed localization and measurement of nanoplastics at levels not detectable by conventional methods, advancing mechanistic exposure studies.
Surface-enhanced Raman scattering labeled nanoplastic models for reliable bio-nano interaction investigations
Researchers developed a novel surface-enhanced Raman scattering labeled nanoplastic model that overcomes the drawbacks of fluorescent labels, such as autofluorescence interference and false-positive results. Using this approach, they tracked nanoplastic behavior in living zebrafish and vegetable seedlings, discovering that nanoplastics enter zebrafish blood circulation through a brief post-hatch skin uptake window. The tool enables more reliable studies of how nanoplastics interact with biological systems.
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.
Quantitative and rapid detection of nanoplastics labeled by luminescent metal phenolic networks using surface-enhanced Raman scattering
Researchers developed a detection method using luminescent metal-phenolic network tags combined with portable surface-enhanced Raman spectroscopy (SERS) that can identify and quantify multiple nanoplastic types (polystyrene, PMMA, PLA) as small as 50 nm at concentrations as low as 0.1 µg/mL in field-deployable settings.
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.
Quantitative assessment of in vivo distribution of nanoplastics in bivalve Ruditapes philippinarum using reliable SERS tag-labeled nanoplastic models
Researchers developed SERS-labeled nanoplastic models to quantitatively track nanoplastic distribution in Manila clams, revealing size-dependent accumulation patterns across different tissues and providing a reliable method for studying nanoplastic bioavailability in bivalves.
In situ surface-enhanced Raman spectroscopy for the detection of nanoplastics: A novel approach inspired by the aging of nanoplastics
Researchers developed a novel in-situ SERS (surface-enhanced Raman scattering) detection method for nanoplastics that exploits UV photoaging to generate silver nanoparticles directly on particle surfaces, enabling highly sensitive identification of polystyrene, PVC, and PET nanoplastics in real lake water samples at concentrations as low as 1 × 10⁻⁶ mg/mL.
How to Identify and Quantify Microplastics and Nanoplastics Using Raman Imaging?
This paper reviews advances in Raman imaging as a method for identifying and quantifying microplastics and nanoplastics in environmental samples, discussing current protocols, analytical challenges, and the need for standardization.
Tracking of realistic nanoplastics in complicated matrices by iridium element labeling and inductively coupled plasma mass spectroscopy
Researchers developed a protocol to track realistic nanoplastics in environmental and biological samples by labeling them with an iridium-containing agent and detecting them via inductively coupled plasma mass spectroscopy, demonstrating stable tracking across complex matrices.
Electrochemical and Surface‐Enhanced Raman Scattering Coupling for Dual‐Mode Sensing of Nanoplastics
This study developed a dual-mode detection system combining electrochemical analysis with surface-enhanced Raman scattering to identify nanoplastics in environmental samples, addressing the challenge of detecting NPs by material, size, and surface chemistry simultaneously.
Spectro‐Microscopic Techniques for Studying Nanoplastics in the Environment and in Organisms
This review examines spectro-microscopic techniques for detecting and characterizing nanoplastics (under 1 um) in environmental and biological matrices, arguing that effective analysis requires combining particle imaging with chemical characterization of the same particles, and highlighting methods capable of simultaneous morphological and chemical identification.
Sub-ppm-level detection of nanoplastics using au nanograting and application to disposable plasticware
A gold nanograting sensor using surface-enhanced Raman scattering (SERS) was able to detect polystyrene nanoplastics in water at concentrations as low as 0.1 parts per million — well below the detection limit of standard Raman systems — and was applied to detect nanoplastics leaching from a plastic bowl heated in a microwave. The sensor offers a pathway to rapid, sensitive detection of nanoplastics released from everyday plastic food containers. Knowing how much nanoplastic leaches from heated plasticware is directly relevant to human dietary exposure.
Integrating Metal Phenolic Networks-Mediated Separation and Machine Learning-Aided SERS for High-Precision Quantification and Classification of Nanoplastics
Scientists combined metal-phenolic network chemistry — which rapidly concentrates and captures nanoplastics — with machine-learning-enhanced surface-enhanced Raman spectroscopy (SERS) to accurately identify and quantify nanoplastics at very low environmental concentrations. This integrated approach addresses one of the biggest technical obstacles in nanoplastic research: detecting particles that are too small and too sparse for conventional methods to reliably find.
Quantitative and rapid detection of nanoplastics labeled by luminescent metal phenolic networks using surface enhanced Raman scattering
Researchers developed a nanoplastic detection method using luminescent metal-phenolic networks (L-MPNs) combined with surface-enhanced Raman spectroscopy (SERS) to label and separate particles as small as 50 nm. The portable system achieved a detection limit of 0.1 ppm and works across multiple polymer types including polystyrene, PMMA, and polylactic acid.
Fabrication and characterization of (fluorescent) model nanoplastics for polymer specific detection
Scientists developed fluorescently labeled model nanoplastics that mimic the properties of real plastic particles, enabling polymer-specific identification at very small scales. These standardized reference particles are a key research tool because nanoplastics are otherwise extremely difficult to detect and characterize in environmental samples.