Physisorption and Chemisorption Mechanisms Influencing Micro (Nano) Plastics-Organic Chemical Contaminants Interactions: A Review
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TLDR
In this paper, a review article draws on scientific literature to discuss inherent polymers typically used in plastics and their affinity for different organic contaminants, as well as the compositions, environmental factors, and polymeric properties that influence their variability in sorption capacities.Abstract:
Microplastics, which serve as sources and vector transport of organic contaminants in
both terrestrial and marine environments, are emerging micropollutants of increasing
concerns due to their potential harmful impacts on the environment, biota and human
health. Microplastic particles have a higher affinity for hydrophobic organic contaminants
due to their high surface area-to-volume ratio, particularly in aqueous conditions. However,
recent findings have shown that the concentrations of organic contaminants adsorbed on
microplastic surfaces, as well as their fate through vector distribution and ecological risks,
are largely influenced by prevailing environmental factors and physicochemical properties
in the aquatic environment. Therefore, this review article draws on scientific literature to
discuss inherent polymers typically used in plastics and their affinity for different organic
contaminants, as well as the compositions, environmental factors, and polymeric
properties that influence their variability in sorption capacities. Some of the specific
points discussed are (a) an appraisal of microplastic types, composition and their fate
and vector transport in the environment; (b) a critical assessment of sorption mechanisms
and major polymeric factors influencing organic contaminants-micro (nano) plastics (MNPs) interactions; (c) an evaluation of the sorption capacities of organic chemical
contaminants to MNPs in terms of polymeric sorption characteristics including
hydrophobicity, Van der Waals forces, π–π bond, electrostatic, and hydrogen bond
interactions; and (d) an overview of the sorption mechanisms and dynamics behind
microplastics-organic contaminants interactions using kinetic and isothermal models.
Furthermore, insights into future areas of research gaps have been highlighted.read more
Citations
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Two-Dimensional Gallium Oxide Monolayer for Gas-Sensing Application.
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Micro(nano)plastics Prevalence, Food Web Interactions, and Toxicity Assessment in Aquatic Organisms: A Review
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TL;DR: In this article , a review mainly addresses the prevalence, food web interactions, and toxicity assessment of micro(nano) plastics in marine and freshwater organisms, and summarizes documented studies based on the following broad objectives: (1) the occurrence and prevalence of micro-nano-plastic plastic particles in marine environments; (2) the ingestion of MNPs by aquatic biota and the food web exposure routes and bioaccumulation of contaminated MNPs, and (3) the adsorption and desorption of persistent organic pollutants, metals, and chemical additives on/from micro-plastics; and (4) the probable ecotoxicological effects of microplastic ingestion on aquatic organisms.
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Personal protective equipment (PPE) pollution in the Caspian Sea, the largest enclosed inland water body in the world
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References
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Microplastic particles cause intestinal damage and other adverse effects in zebrafish Danio rerio and nematode Caenorhabditis elegans.
Lili Lei,Siyu Wu,Shibo Lu,Mengting Liu,Yang Song,Zhenhuan Fu,Huahong Shi,Kathleen M. Raley-Susman,Defu He +8 more
TL;DR: Analysis of zebrafish Danio rerio and nematode Caenorhabditis elegans used as model organisms for microplastic exposure in freshwater pelagic and benthic environments suggests intestinal damage is a key effect of microplastics; and that the toxicity ofmicroplastics is closely dependent on their size, rather than their composition.
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Current opinion: What is a nanoplastic?
Julien Gigault,Alexandra Ter Halle,Magalie Baudrimont,Pierre-Yves Pascal,Fabienne Gauffre,Thuy-Linh Phi,Hind El Hadri,Bruno Grassl,Stéphanie Reynaud +8 more
TL;DR: The present work proposes a definition of nanoplastics as particles unintentionally produced and presenting a colloidal behavior, within the size range from 1 to 1000 nm, based on the recently published and unpublished research definition.
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Marine microplastic debris: An emerging issue for food security, food safety and human health.
Luís Gabriel Antão Barboza,Luís Gabriel Antão Barboza,A. Dick Vethaak,Beatriz R.B.O. Lavorante,Anne-Katrine Lundebye,Lúcia Guilhermino +5 more
TL;DR: In this brief review, the evidence of seafood contamination by microplastics is reviewed, and the potential consequences of the presence of microplastic in the marine environment for human food security, food safety and health are discussed.
Journal ArticleDOI
Effects of Microplastic on Fitness and PCB Bioaccumulation by the Lugworm Arenicola marina (L.)
Ellen Besseling,Anna Wegner,Edwin M. Foekema,Martine J. van den Heuvel-Greve,Albert A. Koelmans +4 more
TL;DR: Polystyrene microplastic had statistically significant effects on the organisms' fitness and bioaccumulation, but the magnitude of the effects was not high, and may be different for sites with different plastic concentrations, or plastics with a higher affinity for POPs.
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Plastics and microplastics in the oceans: From emerging pollutants to emerged threat
TL;DR: Investigations on temporal trends, geographical distribution and global cycle of plastics have management implications when defining the origin, possible drifting tracks and ecological consequences of such pollution, and the fate and impact of microplastics in the marine environment are still far to be fully clarified.
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