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Papers
14 resultsShowing papers similar to Detection, counting and characterization of nanoplastics in marine bioindicators: a proof of principle study
ClearInvestigation of Detection Method for Nanoplastics in Shellfish
Researchers investigated detection methods for nanoplastics in shellfish, evaluating analytical techniques capable of identifying and quantifying nanoscale plastic particles in bivalve tissues. The study addresses the methodological challenges of isolating and characterizing nanoplastics from complex biological matrices.
Progress in selecting marine bioindicators for nanoplastics ecological risk assessment
Researchers reviewed the state of knowledge on nanoplastics — plastic particles smaller than 1 micrometer — in marine environments, identifying major gaps in our ability to measure them and assess their ecological risks. The review calls for more realistic exposure studies using diverse polymer types and chronic low-dose conditions, and outlines which marine species could serve as best indicators for nanoplastic monitoring.
Nano-plastics and their analytical characterisation and fate in the marine environment: From source to sea
Researchers reviewed the sources, environmental fate, organism interactions, and analytical detection methods for nano-sized plastic polymers in the marine environment, concluding that nanoplastics pose the greatest ecological risk among plastic size fractions and that standardized analytical protocols for nanoplastic characterization are urgently needed.
Screening for microplastics in sediment, water, marine invertebrates and fish: Method development and microplastic accumulation
Researchers developed improved methods for extracting microplastics from biological samples and sediments, using enzymatic digestion that achieved 97% particle recovery without damaging the plastics. When applied to field samples from the North Sea and Swedish coast, they found microplastics in 8 of 9 invertebrate species tested and in 68% of brown trout. Mussel tissue contained roughly a thousand times more microplastic particles per kilogram than surrounding sediment or water.
Extraction method development for nanoplastics from oyster and fish tissues
Researchers developed a method for extracting nanoplastics from oyster and fish tissues using enzymatic digestion, sequential membrane filtration, and purification steps, addressing a critical methodological gap for assessing nanoplastic contamination in seafood.
Methodology optimization to quantify microplastic presence in planktonic copepods, chaetognaths and fish larvae
Researchers optimized a hydrogen peroxide digestion method for extracting and counting microplastics from zooplankton and fish larvae while preserving the physical and chemical integrity of the plastic particles, achieving over 85% recovery across 13 plastic types. Having a reliable, standardized method for quantifying microplastics in plankton is essential for accurately assessing how much plastic is entering marine food webs at the base of the food chain.
DEVELOPMENT OF A NOVEL PROTOCOL FOR THE EXTRACTION OF SMALL MICROPLASTICS (1-5 µm) FROM BIOLOGICAL TISSUES
Researchers developed a novel extraction protocol to isolate and quantify small microplastics (1–5 µm) from biological tissues, addressing a major gap in marine contamination studies. The method improves detection of these hard-to-analyze particles, which are more likely to penetrate cells and accumulate in organisms.
Sampling, Isolating and Identifying Microplastics Ingested by Fish and Invertebrates *
This methodological review critically evaluated sampling, isolation, and identification techniques for microplastics ingested by fish and invertebrates, identifying common sources of error including contamination during processing, particle loss, and misidentification — and recommending standardized protocols.
Development of a toolbox for the analysis of microplastic-tissue interactions in two benthic freshwater organisms
Researchers developed a histological toolbox to analyze microplastic-tissue interactions in two benthic freshwater invertebrates, addressing the methodological gap in available protocols for detecting whether ingested microplastics simply pass through the gut or accumulate at specific tissue zones and translocate into organism tissues.
Nanoplastics impact on marine biota: A review
Researchers reviewed the emerging toxicological literature on nanoplastics in marine ecosystems, distinguishing primary nanoplastics (manufactured at nanoscale) from secondary nanoplastics (fragmented from larger debris), and summarizing how nanoscale size changes particle reactivity and bioavailability in ways that differ substantially from their macro- and microscale counterparts.
Occurrence, Distribution, and Extraction Methods of Microplastics in Marine Organisms
This review synthesizes global data on microplastic occurrence and distribution across marine organisms, comparing the advantages and limitations of different extraction and identification methods used in the field.
The scientific basis for addressing marine micro- and nanoplastic pollution: Informing effective monitoring and remediation frameworks
This review synthesizes the scientific basis for monitoring and remediating marine micro- and nanoplastic pollution, covering detection technologies, ecotoxicological effects across the food web, and the specific challenges nanoplastics pose due to their nanoscale properties.
Fate of Nanoplastics in Marine Larvae: A Case Study Using Barnacles, Amphibalanus amphitrite
Researchers tracked the fate of nanoplastics in barnacle larvae, finding that these tiny particles were ingested and could accumulate in larval tissues, with potential implications for early development and survival of marine invertebrates.
Microplastics in Global Marine Waters and Biota: Effectiveness of Potential Bioindicators in Mirroring Local Pollution Levels
This review assessed the global occurrence of microplastics in marine waters and biota and evaluated the effectiveness of potential bioindicator species for monitoring plastic pollution. The authors find that standardizing bioindicator protocols is essential for tracking the effectiveness of microplastic mitigation efforts.