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61,005 resultsShowing papers similar to Microplásticos En Tres Playas Del Corredor Turístico Del Norte, Piura, Perú
ClearDetermination of Microplastics in the Sand of Pimentel Beach-Northern Coast of Peru
Researchers sampled four zones of Pimentel beach in northern Peru across three months in late 2022 to early 2023 to quantify and characterize microplastics using flotation and FTIR methods. Microplastics equal to or larger than 1 mm were identified across all zones, with concentrations and polymer types documented as baseline data for this understudied South American coastline.
Microplásticos en tres playas del corredor turístico del norte, Piura, Perú
Researchers estimated the abundance, characteristics, and types of microplastics on three beaches along the northern tourist corridor of Piura, Peru, characterising the size, colour, and polymer types of particles found in beach sediments to assess contamination levels in this coastal region.
Stereomicroscopic and Fourier Transform Infrared (FTIR) Spectroscopic Characterization of the Abundance, Distribution and Composition of Microplastics in the Beaches of Qingdao, China
Microplastics were found on two beaches in Qingdao, China at varying concentrations, with fibers as the most common type. The study used FTIR spectroscopy to identify polymer types including polyester and polypropylene, contributing to the global picture of beach microplastic contamination.
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.
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.
Microplastics in beaches within the influence area of the Veracruz Reef System National Park (PNSAV), Mexico
Researchers quantified and characterised microplastics from five beaches within the influence area of the Veracruz Reef System National Park, Mexico, using FTIR spectroscopy and SEM analysis on sieved sand samples. A total of 180 plastic pieces (4.5 pieces/m2) were identified, dominated by irregular fragments (92%) composed primarily of high-density polyethylene (27%), low-density polyethylene (27%), and polypropylene (23%).
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.
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.
Abundance and distribution of microplastics on sandy beaches of Lima, Peru
This survey assessed microplastic pollution on four popular sandy beaches of Lima, Peru, sampling both intertidal and supralittoral zones. Microplastics were found at all sites, with fragments being the most common morphology, and concentrations varying across beach zones and locations.
Pollution by microplastic in highly crowded sandy beaches in Lima, Peru
Researchers surveyed microplastic contamination at three heavily visited sandy beaches in Lima, Peru, finding fragments and fibers of polypropylene and polyethylene as the most common particles, with abundance varying by season and beach characteristics.
Evaluating Microplastic Pollution in Beach Sands from the Mexican Pacific Coast: Insights from a Standardized Monitoring Approach
Researchers implemented a standardized REMARCO/IAEA monitoring protocol at two tourist beaches and a coastal lagoon in Mazatlan, Mexico, collecting 124 beach sand samples between June 2020 and July 2021 to assess microplastic pollution (1-5 mm) and temporal variability, identifying fragments and foam as dominant types and synthetic polymers including polyethylene and polypropylene as primary constituents via ATR-FTIR analysis.
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.
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.
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 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.
Seasonal and spatial distribution of microplastics in sediments by FTIR imaging throughout a continuum lake - lagoon- beach from the Tunisian coast
Researchers investigated seasonal and spatial distribution of microplastics in sediments across a lake-lagoon-beach continuum on the Tunisian coast, using FTIR imaging to characterize plastic types, finding microplastics throughout all ecosystems with variations by season, depth, and proximity to pollution sources.
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.
Determination of the presence of microplastics in intertidal sediments of deception island, antarctica
Researchers determined the presence of microplastics in intertidal sediments at 10 sites on Deception Island in the South Shetland archipelago of Antarctica, processing replicate samples using Microplastic Isolation Units with hypersaline density separation, imaging with ImageJ Fiji, and confirming polymer identity by FTIR spectroscopy. The study demonstrated that microplastic pollution has reached even the remote Antarctic intertidal zone, contributing to growing evidence of contamination in polar ecosystems and investigating links between particle morphology and local sediment characteristics.
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 fragment and fiber contamination of beach sediments from selected sites in Virginia and North Carolina, USA
This study examined microplastic contamination in estuarine and barrier island beach sediments in Virginia and North Carolina, USA, finding microplastics present at all 17 sites sampled. Fragment and fiber morphologies dominated, with polymer identification by pyrolysis-GC-MS and FTIR confirming a mix of common plastic types.
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.
Factors influencing the vertical distribution of microplastics in the beach sediments around the Ras Rakan Island, Qatar
Researchers investigated the vertical distribution of microplastics in beach sediments around Ras Rakan Island, Qatar, sampling to 30 cm depth at 9 locations and using ATR-FTIR spectroscopy to characterise plastic types, identifying key factors that control how microplastics partition through sediment layers.
Karakteristik Mikroplastik Di Perairan Pulau Tengah, Karimunjawa
Researchers investigated microplastic characteristics at Pulau Tengah in the Karimunjawa waters of Indonesia, sampling at four stations using plankton nets and analyzing particle abundance, morphology under stereo microscopy, and polymer type via FTIR spectroscopy to characterize contamination in this tropical marine environment.
Detection of microplastic hotspots in beach sand for national surveys using fluorescence microscopy and infrared spectroscopy: Case study on the Catalan coast
Researchers characterized microplastic contamination across 70 intertidal sand samples spanning 580 kilometers of Catalan coastline, using both fluorescence microscopy and infrared spectroscopy. They found that microplastics smaller than 0.5 mm were dominated by fibers while larger particles were mostly fragments, with polyethylene, polypropylene, and polyester being the most common polymers. The study demonstrates that Nile Red fluorescence staining can serve as an effective screening tool for identifying microplastic hotspots in national beach surveys.