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61,005 resultsShowing papers similar to Stereomicroscopic and Fourier Transform Infrared (FTIR) Spectroscopic Characterization of the Abundance, Distribution and Composition of Microplastics in the Beaches of Qingdao, China
ClearMicroplásticos En Tres Playas Del Corredor Turístico Del Norte, Piura, Perú
Researchers sampled sediments from three beach zones along northern Peru's tourist corridor in February 2024 and characterized microplastic abundance, morphology, and polymer types using FTIR analysis. Microplastics were detected across all sampling zones, with fragments and fibers dominating and polyethylene as the most common polymer type.
Contributions of Fourier transform infrared spectroscopy in microplastic pollution research: A review
This review covers advances in Fourier transform infrared (FTIR) spectroscopy techniques — including chemical imaging — for identifying polymer types in microplastic samples and tracing their fate in different environmental matrices.
Analysis of Microplastic at Sea Water and Sediment in the Pasaran Island Bay Using FT-IR
Researchers analysed microplastic particle counts, morphologies, and polymer types in seawater and sediment samples collected from four stations around Pasaran Island Bay using FT-IR spectroscopy. Extraction protocols used 70% ethanol, hydrogen peroxide, and sodium chloride for seawater samples and FeSO4, NaCl, and H2O2 for sediments, characterising the nature and extent of microplastic pollution at this Indonesian marine site.
Analisis Mikroplastik Pada Air Dan Sedimen Di Pantai Teluk Lampung Dengan Metode Ft-Ir (Fourier Transform Infrared)
Microplastics were analyzed in water and sediment samples from a beach in Lampung Bay, Indonesia, using Fourier Transform Infrared spectroscopy for polymer identification. Multiple polymer types were detected, with polyethylene and polypropylene among the most common. The study documents microplastic pollution in an Indonesian coastal area and establishes baseline data for future monitoring.
Distribution of Microplastics along Mai Khao Coastline, Phuket
Researchers sampled microplastics from the intertidal zone of Mai Khao beach in Phuket, Thailand, during two seasonal sampling events, separating particles into two size classes and analyzing polymer composition using micro-FTIR. They found that fibers dominated at 94.5%, PET was the predominant polymer at 94.7%, and abundances at this site were higher than at other west coast Phuket locations, indicating elevated local anthropogenic input.
Microplastic Analysis at Sea Water and Sediment in the Mahitam Island Lampung Bay using FT-IR
A study at Mahitam Island in Lampung Bay, Indonesia, identified microplastics in both seawater and sediment samples using Fourier-transform infrared spectroscopy. Fibers and fragments were the most common types found, indicating that plastic pollution has reached this coastal area.
Analysis of Microplastics in Synthetic Fibers Through FT-IR Microscope
This study used FTIR microscopy to identify and characterize microplastics derived from synthetic textile fibers in environmental samples. Synthetic fiber microplastics are among the most common types found in the ocean, and FTIR analysis is essential for confirming their identity and polymer composition.
An Integrated Assessment of Microplastic Pollution in Coastal Surface Water and Sediment of Japan
Researchers conducted a comprehensive survey of microplastic pollution in surface water and sediment at 15 coastal locations across Japan, from Hokkaido to Okinawa. They extracted over 53,000 suspected microplastic particles and identified the most common polymers using FTIR spectroscopy. The study provides an integrated baseline dataset for understanding the extent and distribution of microplastic contamination along Japanese coastlines.
Characteristics and distribution of microplastics in the estuarine environment and beach sands of Can Gio, Ho Chi Minh City, Vietnam
Researchers assessed the spatiotemporal distribution of microplastics in estuaries and beaches of the Can Gio Biosphere Reserve in Ho Chi Minh City, Vietnam, collecting over 300 water and sediment samples across dry and rainy seasons and characterising particles by size, morphology, and polymer composition using FTIR spectroscopy.
Characterization and distribution of microplastics and plastic debris along Silver Beach, Southern India
Researchers examined 28 sediment samples along Silver Beach in Southern India for microplastic and plastic debris contamination, using FT-IR spectroscopy to characterize polymer types and finding predominantly white-colored (44%) and irregularly-shaped (82%) plastics in the study area.
Degradation degree analysis of environmental microplastics by micro FT-IR imaging technology
Researchers used micro-FTIR spectral-image fusion to classify the degradation degree of polyethylene microplastics collected from coastal environments, achieving 97.1% classification accuracy and enabling estimation of environmental persistence time from spectral data.
Plastic debris in the Mediterranean Sea: Types, occurrence and distribution along Adriatic shorelines
Researchers investigated plastic debris in sediments from five beaches on the Northern Adriatic coast, finding a mean density of 12.1 items per kg dry weight and characterising debris types using FT-IR spectroscopy in the first such assessment for this region.
Handheld portable FTIR spectroscopy for the triage of micro and meso sized plastics in the marine environment incorporating an accelerated weathering study and an aging estimation
Researchers tested a handheld portable FTIR spectrometer for rapidly identifying micro and mesosized plastic debris on beaches and in the marine environment. Portable FTIR devices enable fast field identification of plastic polymer types, making marine litter surveys more efficient.
A novel method for purification, quantitative analysis and characterization of microplastic fibers using Micro-FTIR
Researchers developed an improved method for purifying, quantifying, and characterizing microplastic fibers using micro-FTIR spectroscopy, addressing the challenge that fibers are harder to process and identify than other microplastic shapes. The method improvements enable more accurate characterization of this common but technically challenging category of environmental microplastics.
Insights into the degradation mechanism of PET and PP under marine conditions using FTIR
Researchers investigated the natural degradation of polypropylene and polyethylene terephthalate plastics under real marine conditions using FTIR spectroscopy, providing insights into how these common plastics break down in ocean environments.
Refined Analysis of Microplastics: Integrating Infrared and Raman Spectroscopy
This study optimized the use of Fourier Transform Infrared Spectroscopy (FTIR) and Raman spectroscopy for characterizing microplastics in aquatic environments, finding that integrating both techniques improves identification accuracy and physicochemical characterization.
Microplastic in the surface waters of the Ross Sea (Antarctica): Occurrence, distribution and characterization by FTIR
Researchers conducted the first survey of microplastic contamination in Antarctic Ross Sea surface waters, finding low concentrations averaging 0.17 particles per cubic meter and dominated by polyethylene and polypropylene fragments, using a non-invasive FTIR imaging method on dried filters that allows subsequent analysis of the same sample for other contaminants.
Microplastics monitoring in different environments: separation, physicochemical characterization, and quantification
Researchers systematically monitored microplastic contamination across multiple environments including a wastewater treatment plant, surrounding water bodies, and soils near plastic factories, characterizing shape, size, color, and polymer composition via microscopy and FTIR spectroscopy. They found fragments and fibers to be the most common microplastic shapes in water environments and documented simultaneous contamination across all sampled matrices.
Microplastic pollution in finless porpoises and their habitats along the Fujian coast of the East China Sea
Researchers analyzed microplastic contamination in finless porpoises along the Fujian coast of the East China Sea using Fourier transform infrared spectroscopy (FTIR) on intestinal samples and habitat water. They found microplastics ubiquitous in both porpoise intestines and surrounding waters, with fibers being the dominant form (86.90% of intestinal MPs), mostly transparent and smaller than 1.0 mm in size.
The applicability of reflectance micro-Fourier-transform infrared spectroscopy for the detection of synthetic microplastics in marine sediments
Researchers developed and validated an optimized micro-FT-IR spectroscopy protocol for detecting microplastics in coastal marine sediments, providing a detailed operating procedure. The standardized method improves detection reliability and enables comparison of results across laboratories studying sediment microplastic contamination.
Microplastics at the strandlines of Slovenian beaches
Researchers collected sediment samples from nine locations along the Slovenian Adriatic coast and found microplastics at all sites, with 11.3% of isolated particles confirmed as synthetic polymers by ATR-FTIR, dominated by polyethylene and polypropylene fragments and fibers.
Microplastic in Beach Sediment of Nasi Island, Aceh Besar Regency, Indonesia
Researchers analyzed microplastic abundance, morphology, and polymer composition in beach sediments from two beaches on Nasi Island, Aceh Besar Regency, Indonesia, using dry sieve fractionation, microscopy, and FTIR spectroscopy. They found fragments, films, and fibers across both beaches, with peak abundance of 2,651 particles/kg at the finest sieve fraction (0.063 mm), and identified PETE, polystyrene, and LDPE as the dominant polymer types.
Plastics in surface water of southern coastal belt of Sri Lanka (Northern Indian Ocean): Distribution and characterization by FTIR
Researchers investigated plastic pollution in coastal surface waters across 12 regions in southern Sri Lanka, finding an overall mean microplastic density of 17.45 items per cubic metre with filaments as the most common morphology. FTIR characterisation confirmed the polymer types present, with blue-coloured particles being the most abundant across sampling locations.
Comprehensive review on sampling, characterization and distribution of microplastics in beach sand and sediments
This comprehensive review covers sampling methods, analytical techniques, and global distribution patterns of microplastics in beach sand and sediments. Researchers discuss major characterization tools including FTIR spectroscopy, electron microscopy, and chromatographic methods for identifying and quantifying microplastic contamination. The study provides an overview of recent research worldwide and highlights ongoing challenges in standardizing microplastic detection across different environments.