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61,005 resultsShowing papers similar to Protocol for Microplastics Sampling on the Sea Surface and Sample Analysis
ClearProtocol for Microplastics Sampling on the Sea Surface and Sample Analysis. [video article]
This methods paper and companion video describe a standardized protocol for sampling microplastics from the sea surface using a manta net, then processing and chemically identifying particles using microscopy and FTIR spectroscopy. Standardized sampling methods are critical for producing comparable microplastic data across different research groups and monitoring programs.
Protocol for Microplastics Sampling on the Sea Surface and Sample Analysis
This paper presents a standardized protocol for sampling microplastics from the ocean surface using a manta trawl net, covering methods for sample preparation, separation, and chemical identification. Standardized sampling and analysis methods are critical so that data from different research teams can be meaningfully compared.
Comparison between the traditional Manta net and an innovative device for microplastic sampling in surface marine waters
Researchers compared a traditional Manta trawl net to an innovative sampler called MuMi for collecting microplastics from sea surface water, finding the MuMi offered advantages in ease of use, lower cost, and capturing smaller particles, while both methods revealed variability driven by sampling mesh size.
Methods for microplastic sampling and analysis in the seawater and fresh water environment
This review summarized and compared sampling and analysis methods for microplastics in marine and freshwater environments — including trawls, manta nets, pump filtration, FTIR, and Raman spectroscopy — and called for standardization to enable cross-study comparisons of pollution levels.
Manta Net: The Golden Method for Sampling Surface Water Microplastics in Aquatic Environments
This review evaluated the manta net as the standard method for sampling surface water microplastics, comparing different net devices and sampling protocols used across studies while highlighting the need for methodological standardization in microplastic research.
Subsampling microplastics for chemical characterization and confirmation: assessing efficiency and discussing reliability risks
Researchers systematically reviewed subsampling strategies used in microplastic marine contamination studies and assessed how common approaches affect the efficiency and reliability of FTIR-based chemical characterisation. The study identified widespread use of subsampling and evaluated associated risks of sampling bias and inaccurate abundance estimates.
Comparative study of three sampling methods for microplastics analysis in seawater
Researchers compared three microplastic sampling methods for seawater — direct 0.45 µm filtration, 20 µm pre-concentration followed by 0.45 µm filtration, and Manta trawl with 150 µm mesh — finding orders-of-magnitude differences in reported abundance across methods, underscoring the critical need for standardized protocols.
Microplastics in different water samples (seawater, freshwater, and wastewater): Methodology approach for characterization using micro-FTIR spectroscopy
Researchers developed a standardized methodology for detecting and characterizing small microplastics (10-500 micrometers) in different water types using micro-FTIR spectroscopy. The study tested various sample preparation approaches for seawater, freshwater, and wastewater, establishing reliable protocols for rinsing, digestion, and microplastic collection that can be used to assess treatment plant removal efficiency.
Micro- and mesoplastics in sea surface water from a Northern Adriatic coastal area
Researchers collected plastic particles from two sea surface monitoring transects near the Venice Lagoon using a manta net and characterized them by typology, dimension, color, spatial density, and chemical composition using a multi-technique analytical approach. They identified distinct subgroups of plastic micro-debris in this Northern Adriatic coastal area and documented the widespread presence of polymeric materials in surface seawater.
Comparison between manta trawl and in situ pump filtration methods, and guidance for visual identification of microplastics in surface waters
This methodological study compared manta trawl and in situ pump filtration approaches for sampling surface water microplastics, providing guidance for consistent visual identification of plastic particles. Standardizing sampling and identification methods is critical for making meaningful comparisons between different research studies.
Critical steps for microplastics characterization from the atmosphere
This systematic review of atmospheric microplastic sampling and characterization methodologies finds that divergent results across studies stem from inconsistent collection and pre-treatment methods, and that the choice of characterization technique (FTIR vs. Raman) should be matched to the MPs' origin and environmental matrix.
A systematic protocol of microplastics analysis from their identification to quantification in water environment: A comprehensive review
This review provides a systematic protocol for identifying and quantifying microplastics in water environments, covering sampling, extraction, and analytical techniques. Researchers evaluate the strengths and limitations of methods including visual sorting, spectroscopic analysis, and thermal techniques for characterizing microplastic pollution. The study emphasizes the urgent need for standardized methodologies to enable meaningful comparisons across different microplastic research studies.
Global measurement of surface water microplastics using a unified size threshold
A globally deployable measurement approach was developed for monitoring microplastics on water surfaces using a unified protocol applicable across different geographic regions. Standardized global measurement methods are critical for generating comparable data needed to assess the scale of ocean plastic pollution.
Assessment of manta trawling and two newly-developed surface water microplastic monitoring techniques in the open sea
Researchers evaluated three surface water microplastic sampling systems in the mid-North Pacific Ocean — conventional manta trawling, a trawl-underway pump combination with in-situ Y-shaped filtration (New Type I), and a stationary onboard pump with Y-shaped filter (New Type II) — comparing their collection efficiency and suitability for large-scale open-ocean monitoring.
Sampling microfibres at the sea surface: The effects of mesh size, sample volume and water depth
Researchers examined how mesh size, sample volume, and water depth affect microfibre sampling at the sea surface, finding that fibre density increased substantially as mesh size decreased from 63 to 20 micrometres, highlighting significant underestimation in traditional 300-500 micrometer net surveys.
Methods for sampling, processing, identification,and quantification of microplastics in the marine environment
This paper reviews and compares the various methods used to collect, process, identify, and quantify microplastics across different environmental samples. It highlights the lack of standardized protocols as a major obstacle to comparing results across studies and calls for methodological harmonization.
Analytical tools in advancing microplastics research for identification and quantification across environmental media: from sample to insight
Researchers reviewed the analytical tools most commonly used for identifying and quantifying microplastics, focusing on FTIR and Raman spectroscopy as the two primary methods. The review compared their strengths and limitations and provided guidance for choosing between them based on particle size, sample matrix, and research objectives.
Analytical tools in advancing microplastics research for identification and quantification across environmental media: from sample to insight
This review surveys analytical techniques used in microplastic research, covering sampling, extraction, and identification methods including FTIR, Raman spectroscopy, and pyrolysis-GC/MS, highlighting trade-offs between throughput, sensitivity, and particle size detection limits.
Probenaufbereitung für die Analyse auf Mikroplastik mit µFTIR-Spektroskopie: Untersuchung des enzymatischen Verdaus von Plankton mit FlowCam und µFTIR
This German-language study tested sample preparation methods for microplastic analysis using micro-FTIR spectroscopy, comparing different approaches for extracting particles from complex environmental matrices. Optimizing sample preparation is essential for generating reliable, reproducible data on microplastic types and concentrations in environmental samples.
Atmospheric deposition of microplastics: a sampling and analytical method including the associated measurement uncertainties
Researchers developed and validated a tailored analytical chain—including sample collection, processing, and FPA-µ-FTIR analysis—for quantifying atmospheric microplastic deposition at particle sizes of 20–215 µm. The protocol enabled reliable measurement of MP fallout rates, supporting studies of the atmosphere as a major MP transport pathway.
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.
Microplastics in seawater: a study of pretreatment, separation, and recovery.
Researchers developed and compared pretreatment, separation, and recovery methods for isolating microplastics from seawater samples, addressing the methodological diversity that limits comparability across marine monitoring studies. The study identified optimal combinations of techniques that improve microplastic recovery efficiency while minimizing contamination and sample loss.
Reevaluation of microplastics identification based on Neuston net survey data
This study re-examined microplastic identification methods, finding that optical counting without chemical treatment and spectroscopy (FTIR) leads to overestimates, particularly for foam particles. Accurate identification methods are essential for producing reliable data on microplastic contamination levels.
A machine learning algorithm for high throughput identification of FTIR spectra: Application on microplastics collected in the Mediterranean Sea
Researchers developed a machine learning method to automatically identify the chemical composition of microplastics from FTIR spectroscopy data collected during the Tara Mediterranean expedition. The algorithm performed well for common polymers like polyethylene and was applied to classify over 4,000 unidentified microplastic spectra. The study demonstrates that automated identification tools can significantly speed up large-scale microplastic pollution surveys while maintaining acceptable accuracy.