Papers

61,005 results
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Systematic Review Tier 1

Microplastics in the Mediterranean marine environment: a combined bibliometric and systematic analysis to identify current trends and challenges

This systematic review analyzes microplastic research trends in the Mediterranean Sea region, where contamination levels are a growing concern. The study identifies key research areas and gaps in understanding how microplastics in this semi-enclosed sea affect marine life and could impact the health of the millions of people living along its coasts.

2022 Microplastics and Nanoplastics 31 citations
Article Tier 2

Disparities in Methods Used to Determine Microplastics in the Aquatic Environment: A Review of Legislation, Sampling Process and Instrumental Analysis

This review examined the wide disparities in sampling, processing, and analytical methods used across microplastic studies, highlighting how inconsistent approaches make it difficult to compare results and calling for standardized international protocols and regulatory frameworks.

2021 International Journal of Environmental Research and Public Health 45 citations
Article Tier 2

Comparison of different methods for MP detection: What can we learn from them, and why asking the right question before measurements matters?

This comparative study evaluated several different analytical methods for detecting and measuring microplastics, finding that the choice of method significantly affects results. The authors emphasize that choosing the right method depends on the specific research question, and that standardization is essential for comparing data across studies.

2017 Environmental Pollution 374 citations
Article Tier 2

A Review of Analytical Methods Used in Microplastics Quantification

This review evaluates the various analytical methods used to detect and quantify microplastics in the environment, highlighting inconsistencies in sampling and analysis across studies. Standardizing methods is a critical priority for the field, as inconsistent approaches make it difficult to compare results and track pollution trends over time.

2021 IOP Conference Series Earth and Environmental Science 8 citations
Article Tier 2

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.

2020 Oceanography in Japan 12 citations
Article Tier 2

Quantification of microplastics: Which parameters are essential for a reliable inter-study comparison?

Inconsistent measurement methods make it very difficult to compare microplastic data across studies. This paper proposes standardized guidelines for quantifying microplastic size and shape distributions, which would allow scientists to better track pollution levels over time and across locations.

2020 Marine Pollution Bulletin 33 citations
Systematic Review Tier 1

Toward harmonised monitoring of plastic pollution: description of a systematic review to evaluate and apply reproducible methods

Scientists reviewed 60 years of research and found that studies measuring plastic pollution in our environment use wildly different methods, making it impossible to compare results or understand the true scope of the problem. This lack of consistency means we can't properly track whether plastic pollution (including tiny particles that can enter our food and water) is getting better or worse over time. The researchers are calling for standardized methods so we can better monitor plastic pollution and protect human health.

2026 Microplastics and Nanoplastics
Article Tier 2

Knowledge about Microplastic in Mediterranean Tributary River Ecosystems: Lack of Data and Research Needs on Such a Crucial Marine Pollution Source

This review surveys the limited literature on microplastic pollution in freshwater rivers feeding the Mediterranean Sea, finding major gaps in data and inconsistent methods. The authors call for standardized monitoring protocols to better understand how rivers transport microplastics from land to the ocean.

2020 Journal of Marine Science and Engineering 42 citations
Systematic Review Tier 1

A Systematic Review of Microplastic Detection in Water

This systematic review summarizes current methods for detecting microplastics in water sources. The research highlights significant challenges in accurately measuring these tiny plastic particles, with different techniques yielding very different results. Better detection methods are essential for understanding how much microplastic is present in the water people drink and use daily.

2024 2 citations
Article Tier 2

A Basis for Standardization: Optimizing Sampling Methods and Quantities for Accurate Microplastic Assessment in a Marine Environment

Scientists studied the best ways to find and count tiny plastic pieces (microplastics) in ocean water and beach sand, since these plastics can harm sea life and potentially affect the food we eat from the ocean. They found that researchers need to collect at least 30 grams of sand and 10 liters of water to get accurate counts of how much plastic pollution is really there. Getting these measurements right is important because it helps us understand how much plastic pollution is entering our food chain through seafood.

2026 The Journal of Physical Chemistry B
Article Tier 2

A review of microplastics measuring methods in water and wastewater bodies

This review covers the wide variety of methods used to measure microplastics in water and wastewater, comparing their advantages and limitations. The authors note that lack of standardized methods makes it difficult to compare results across studies and call for international consensus on measurement protocols.

2021 SHILAP Revista de lepidopterología
Article Tier 2

Pollutions du milieu littoral par les microplastiques : Méthodes d’évaluation

This French review evaluated analytical methods for assessing microplastic pollution in coastal and marine environments, comparing different sampling, extraction, and characterization techniques. The review serves as a technical guide for researchers and monitoring programs seeking to measure microplastic contamination consistently and accurately.

2017 ZooKeys
Systematic Review Tier 1

Microplastics in sediments: A systematic review structured through reproducible analytical pipelines

This systematic review of 37 studies finds that microplastic research in sediments suffers from major differences in how samples are collected and analyzed. Without standardized methods, it is difficult to compare contamination levels across locations, which limits our ability to assess how much microplastic in soil and waterbed sediments might affect ecosystems and human health.

2026 Chemosphere
Article Tier 2

Are we underestimating floating microplastic pollution? A quantitative analysis of two sampling methodologies

A quantitative analysis of 67 microplastic studies compared bulk water sampling with trawl-based methods, finding substantial differences in reported concentrations depending on the technique used. The study warns that inconsistent sampling methodology leads to underestimates of microplastic pollution and hinders cross-study comparisons.

2022 Marine Pollution Bulletin 46 citations
Article Tier 2

The shifting baseline of microplastic measurement: A comparison of methodologies used in estuarine-based studies and guideline recommendations

Researchers reviewed the methods used in 175 estuarine microplastic studies conducted across 36 countries between 2013 and 2023, comparing them against current guideline recommendations. They found that while most studies used acceptable identification methods, fewer than half followed recommended practices for analytical reporting, and only 30% used adequate quality controls. The findings highlight a significant consistency problem in microplastic research that makes it difficult to compare results across studies.

2025 Journal of Environmental Management 2 citations
Systematic Review Tier 1

Aquatic microplastics research in the ASEAN region: Analysis of challenges and priorities

This systematic review analyzes the state of microplastic research across Southeast Asian countries and identifies gaps in how studies are conducted. The researchers found inconsistent methods being used across the region, making it hard to compare results or understand the true scale of contamination. Standardizing how microplastics are measured is important because it will give us a clearer picture of how much plastic pollution people in the region are exposed to.

2024 Marine Pollution Bulletin 10 citations
Article Tier 2

Microplastics in Mediterranean Sea: A protocol to robustly assess contamination characteristics

This study developed a protocol for determining how many microplastic samples need to be analyzed to get a representative picture of pollution in the Mediterranean Sea. Robust sampling protocols are essential for generating reliable data that can inform policy decisions about plastic pollution.

2019 PLoS ONE 65 citations
Article Tier 2

Revisión de métodos de muestreo, detección, caracterización de microplásticos y control de calidad en columna de agua y sedimentos

This Spanish-language review surveys the methods used to sample, detect, and characterize microplastics in water and sediments, cataloguing the advantages and limitations of each approach. The authors highlight that the lack of standardized protocols makes it impossible to reliably compare studies — a critical obstacle to understanding how widespread microplastic contamination really is and what it means for ecosystems and human health.

2023 Tecnología y Ciencias del Agua 2 citations
Article Tier 2

Advancing the quality of environmental microplastic research

This review examines the rapidly growing field of environmental microplastic research, discussing the methodological inconsistencies that limit comparability across studies and calling for improved quality standards to support robust regulatory and scientific conclusions.

2017 Environmental Toxicology and Chemistry 167 citations
Article Tier 2

A critical view on microplastic quantification in aquatic organisms

Researchers critically reviewed the methods used to quantify microplastics in aquatic organisms including zooplankton, bivalves, and fish. The study highlights that no standardized methodology exists for measuring microplastic contamination in biota, which makes comparing results across studies difficult and underscores the need for consistent analytical protocols.

2015 Environmental Research 463 citations
Article Tier 2

A review of methods for measuring microplastics in aquatic environments

This review critically evaluates methods used to measure microplastics in aquatic environments, covering sampling design, sample processing, and spectroscopic identification, and identifies the most significant sources of methodological variation. Standardizing these methods is essential for generating comparable data across studies and enabling robust environmental risk assessment.

2018 Environmental Science and Pollution Research 361 citations
Article Tier 2

Critical reassessment of microplastic detection methodologies and abundances in the marine environment

This review critically reassesses methodological limitations in marine microplastic detection, arguing that inconsistent size fractionation, incomplete polymer identification, and lack of standardized protocols across studies prevent reliable estimation of global MP abundance in the marine environment.

2025
Article Tier 2

Quantifying microplastic pollution on sandy beaches: the conundrum of large sample variability and spatial heterogeneity

This methodological study tested different sampling approaches for measuring microplastic pellets on sandy beaches and found that concentrations vary greatly over small spatial distances, making single samples unreliable. The authors recommend specific multi-sample strategies to get accurate estimates of beach microplastic contamination.

2017 Environmental Science and Pollution Research 48 citations
Article Tier 2

Solving the Nonalignment of Methods and Approaches Used in Microplastic Research to Consistently Characterize Risk

Researchers proposed and tested methods to rescale microplastic data collected using different sampling and analysis approaches, addressing the lack of standardization that hampers comparisons across studies. They developed correction factors to account for differences in particle size ranges, sampling volumes, and analytical techniques. The study provides practical tools for harmonizing microplastic research data, which could significantly improve global pollution assessments.

2020 Environmental Science & Technology 296 citations