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Papers
61,005 resultsShowing papers similar to Raman Microspectroscopy to Trace the Incorporation of Deuterium from Labeled (Micro)Plastics into Microbial Cells.
ClearDeuterium Labels to Study Biodegradation of Plastics with Raman Spectroscopy
Researchers used deuterium-labelled biodegradable polymers and Raman spectroscopy to track plastic degradation in soil and water systems, demonstrating that isotopic labelling provides a powerful tool for confirming genuine biodegradation versus simple fragmentation.
Label-free stimulated Raman scattering imaging of intracellular microplastics in mammalian cells
Researchers used label-free stimulated Raman scattering imaging to visualize microplastic uptake and distribution inside mammalian cells without fluorescent labels, finding that intracellular microplastics were associated with elevated reactive oxygen species, reduced cell viability, and altered lipid metabolism.
Localisation and identification of polystyrene particles in tissue sections using Raman spectroscopic imaging
Researchers developed a Raman spectroscopic imaging method to localize and identify polystyrene microplastic particles directly within tissue sections, enabling in-situ detection without fluorescent labeling and making environmental sample analysis feasible.
Identification of Microplastics Using a Custom Built Micro-Raman Spectrometer
Researchers built a custom micro-Raman spectrometer and demonstrated its use for identifying microplastic polymer types in environmental samples, achieving sensitive and specific polymer identification at particle sizes down to a few micrometers.
Microplastic identification using Raman microsocpy
Researchers developed and implemented a Raman spectroscopy system for rapid detection and identification of microplastic particles on substrates. The system enables efficient chemical characterization of microplastics found across diverse environmental matrices including ocean, lakes, soil, beach sediment, and human blood.
Raman Microspectroscopy: Improvement in Signal Generation and Collection to Facilitate Raman Spectroscopy
Advances in Raman microspectroscopy were reviewed for improving signal generation and analysis in microplastic identification, including new detector designs and data processing algorithms. Enhanced Raman spectroscopy capabilities enable faster and more accurate polymer identification at smaller particle sizes.
Raman microspectroscopy and laser-induced breakdown spectroscopy for the analysis of polyethylene microplastics in human soft tissues
Researchers developed a combined technique using Raman microspectroscopy and laser-based analysis to detect polyethylene microplastics in human soft tissue samples. The method can identify both the plastic polymer and any associated inorganic elements in tissue. This kind of detection tool is important for understanding whether microplastics accumulate in specific human organs and what health effects they might have.
Label-Free Live-Cell Imaging of Internalized Microplastics and Cytoplasmic Organelles with Multicolor CARS Microscopy
Label-free multicolor coherent anti-Stokes Raman scattering (CARS) microscopy was used to simultaneously visualize internalized microplastics and cellular organelles in live cells without requiring fluorescent staining. The approach enables real-time tracking of plastic particle interactions with intracellular structures, offering new insight into how microplastics behave inside human cells.
Study on Rapid Recognition of Marine Microplastics Based on Raman Spectroscopy
Researchers developed a rapid identification system for marine microplastics using Raman spectroscopy, enabling quick determination of plastic type and size. Fast, accurate identification tools are critical for monitoring the growing problem of microplastic pollution in ocean environments.
Fast microplastics identification with stimulated Raman scattering microscopy
Stimulated Raman scattering microscopy was applied to rapidly identify and image microplastic particles in complex environmental samples at speeds dramatically faster than conventional Raman spectroscopy. The technique has potential to enable high-throughput microplastic analysis that could make large-scale environmental monitoring more feasible.
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.
Raman Imaging Spectroscopy: History, Fundamentals and Current Scenario of the Technique
This review covers the history and principles of Raman imaging spectroscopy, a technique increasingly used to identify and map the chemical composition of microplastics in environmental samples. The review provides technical context for one of the most important tools in microplastic analysis.
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.
Confocal Surface-Enhanced Raman Imaging of the Intestinal Barrier Crossing Behavior of Model Nanoplastics in Daphnia Magna
Using advanced Raman imaging, researchers directly observed nanoplastic particles crossing the intestinal wall of water fleas (Daphnia magna) for the first time. They identified two specific cellular mechanisms — clathrin-dependent endocytosis and macropinocytosis — that cells use to absorb the tiny plastic particles. This study provides concrete evidence of how nanoplastics can pass through the gut barrier into the body, a process relevant to understanding human exposure through food and water.
Detection of Microplastics Pollution Using a Green Fluorescent Protein-Based Microbial Biosensor Coupled with Raman Spectroscopy
Researchers developed a biosensor using a green fluorescent protein-producing bacterium that lights up in the presence of microplastics, combined with Raman spectroscopy for confirmation. The system could detect microplastics at concentrations as low as 0.1 milligrams per liter within 24 hours. This biological detection approach offers a potentially faster and less expensive alternative to conventional microplastic analysis methods.
Flow Raman Spectroscopy for the Detection and Identification of Small Microplastics
Researchers developed a new method using flow Raman spectroscopy to detect and identify individual microplastic particles as small as 4 micrometers while they move through water. Unlike current methods that require complex sample preparation, this technique could work in real time for monitoring food and drinking water quality. The method can distinguish between different plastic types even after they have been weathered by the environment.
Identification of microplastics using Raman spectroscopy: Latest developments and future prospects
This review summarizes the latest advances in using Raman spectroscopy to identify microplastics in environmental samples, highlighting improvements in speed, sensitivity, and the ability to characterize plastic type and surface chemistry.
Raman spectroscopy: Recent advances in fast and reliable microplastic analysis
This review covered recent advances in Raman spectroscopy for fast and reliable microplastic analysis, with emphasis on its ability to characterize small particles that can penetrate living tissues. The authors highlight improvements in speed and sensitivity that are making Raman techniques more practical for environmental monitoring.
Identification and detection of label-free polystyrene microplastics in maize seedlings by Raman spectroscopy
Researchers developed a label-free method to detect and identify polystyrene microplastics in maize seedling tissues using spectroscopic techniques, confirming that plant roots can take up plastic particles from contaminated soil. The approach enables tracking microplastic uptake pathways in crops without chemical labeling.
Opportunities in optical and electrical single-cell technologies to study microbial ecosystems
This paper is not about microplastics; it reviews advanced optical (flow cytometry, Raman spectroscopy) and electrical single-cell analysis technologies used to study microbial communities and ecology.
Raman spectroscopy: Recent advances in fast and reliable microplastic analysis
This review summarized recent advances in Raman spectroscopy for fast and reliable microplastic identification, covering improvements in speed, sensitivity, and automation that are making the technique more practical for routine environmental monitoring. Raman-based methods are increasingly able to identify microplastics in complex environmental matrices including biological tissues.
Cell Response to Nanoplastics and Their Carrier Effects Tracked Real-Timely with Machine Learning-Driven Smart Surface-Enhanced Raman Spectroscopy Slides
Researchers developed a novel smart sensor slide that can track in real time how living cells respond to nanoplastic exposure at the molecular level. Using specially designed core-shell plastic nanoparticles with embedded tracking signals, they could monitor each stage from initial cell contact through absorption and eventual cell damage. The technology offers a powerful new tool for studying how nanoplastics interact with human cells and carry other pollutants into the body.
Raman spectroscopy as the quantum eye to reveal molecular dynamics in biology
Researchers reviewed advances in Raman spectroscopy — a technique that identifies chemicals by how they scatter laser light — highlighting how recent innovations in surface-enhanced and stimulated Raman methods have expanded its applications in cell imaging, disease diagnosis, drug development, and microplastic detection.
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.