Consistent Transport of Terrestrial Microplastics to the Ocean through Atmosphere

Environmental Science & Technology, Год журнала: 2019, Номер 53(18), С. 10612 - 10619

Опубликована: Авг. 13, 2019

Although atmospheric transport and deposition could be an important pathway of terrestrial pollutants to the ocean, little information concerning presence distribution these suspended microplastics in marine air is available. We investigated, for first time, occurrence (SAMPs) west Pacific Ocean. In this study, spatial distribution, morphological appearance, chemical composition were studied through continuous sampling during a cruise. SAMPs abundance ranged from 0 1.37 n/m3, median 0.01 n/m3. Fiber, fragment, granule quantitively constituted 60%, 31%, 8% all MPs, respectively. Interestingly, plastic microbeads with numerical proportion 5% also observed. A high was found coastal area (0.13 ± 0.24 n/m3), while there less amount detected pelagic (0.01 n/m3). The collected daytime (0.45 0.46 n/m3) twice at night (0.22 0.19 on average. Our observations provide field-based evidence that are source pollution especially caused by textile microfibers.

Язык: Английский

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Comparison of microplastic pollution in different water bodies from urban creeks to coastal waters

Environmental Pollution, Год журнала: 2018, Номер 246, С. 174 - 182

Опубликована: Ноя. 28, 2018

Язык: Английский

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Detection of microplastics in human colectomy specimens

JGH Open, Год журнала: 2020, Номер 5(1), С. 116 - 121

Опубликована: Ноя. 21, 2020

While dietary exposure to microplastics is increasingly recognized, it unknown if ingested plastics remain within the digestive tract. We aimed examine human colectomy specimens for and report characteristics as well polymer composition of particles.Colectomy samples were obtained from 11 adults (mean age 45.7, six males) who residents Northeastern Peninsular Malaysia. Microplastics identified following chemical digestion subsequent filtration. The then examined (abundance, length, shape, color) three common types using stereo- Fourier Transform InfraRed (FTIR) microscopes.Microplastics detected in all with an average 331 particles/individual specimen or 28.1 ± 15.4 particles/g tissue. Filaments fibers accounted 96.1% particles, 73.1% filaments transparent. Out 40 random 10 (one had indeterminate spectra patterns), 90% polycarbonate, 50% polyamide, 40% polypropylene.Our study suggests that are ubiquitously present colon.

Язык: Английский

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Current technologies for plastic waste treatment: A review

Journal of Cleaner Production, Год журнала: 2020, Номер 282, С. 124523 - 124523

Опубликована: Окт. 27, 2020

Язык: Английский

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Microplastics in freshwater sediment: A review on methods, occurrence, and sources

The Science of The Total Environment, Год журнала: 2020, Номер 754, С. 141948 - 141948

Опубликована: Авг. 24, 2020

Язык: Английский

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Uptake and adverse effects of polyethylene terephthalate microplastics fibers on terrestrial snails (Achatina fulica) after soil exposure

Environmental Pollution, Год журнала: 2019, Номер 250, С. 447 - 455

Опубликована: Апрель 16, 2019

Язык: Английский

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Microplastics provide new microbial niches in aquatic environments

Applied Microbiology and Biotechnology, Год журнала: 2020, Номер 104(15), С. 6501 - 6511

Опубликована: Июнь 4, 2020

Abstract Microplastics in the biosphere are currently of great environmental concern because their potential toxicity for aquatic biota and human health association with pathogenic microbiota. can occur high abundance all environments, including oceans, rivers lakes. Recent findings have highlighted role microplastics as important vectors microorganisms, which form fully developed biofilms on this artificial substrate. therefore provide new microbial niches environment, developing may significantly differ composition compared to natural free-living or particle-associated populations surrounding water. In article, we discuss ecological function communities found microplastic biofilms. The factors that influence richness diversity such also evaluated. Microbe-microbe microbe-substrate interactions been little studied not well understood. Multiomics tools together morphological, physiological biochemical analyses should be combined a more comprehensive overview These so far unknown consequences ecology processes ecosystems. More knowledge is required community functions order better evaluate environment animal health, humans, especially since worldwide predicted dramatically increase. Key Points • Bacteria mainly analyses: fungi neglected. Microbial colonization depends substrate, location time. Community promising approach investigate colonization. Biodegradable plastics, roles biofilms, need analysis.

Язык: Английский

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Pathway, classification and removal efficiency of microplastics in wastewater treatment plants

Environmental Pollution, Год журнала: 2019, Номер 255, С. 113326 - 113326

Опубликована: Сен. 30, 2019

Язык: Английский

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Degradation of polyvinyl chloride microplastics via an electro-Fenton-like system with a TiO2/graphite cathode

Journal of Hazardous Materials, Год журнала: 2020, Номер 399, С. 123023 - 123023

Опубликована: Май 29, 2020

Язык: Английский

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Microplastics as Both a Sink and a Source of Bisphenol A in the Marine Environment

Environmental Science & Technology, Год журнала: 2019, Номер 53(17), С. 10188 - 10196

Опубликована: Авг. 8, 2019

Microplastics were demonstrated to be an environmental sink for hydrophobic organic pollutants, while they can also serve as a potential source of such pollutants. In this study, the sorption and release bisphenol A in marine water investigated through laboratory experiments. Sorption desorption isotherms developed, results reveal that depend on crystallinity, elasticity, hydrophobicity polymer concerned. The adsorption partition quantified using dual-mode model mechanisms. Polyamide polyurethane found exhibit highest capacity A, it was almost irreversible, probably due hydrogen bonding. Polyethylenes polypropylene exhibited high reversible without noticeable hysteresis. Glassy polystyrene, poly(vinyl chloride), poly(methyl methacrylate), poly(ethylene terephthalate) low only partial reversibility. Low-density polyethylene polycarbonate microplastic particles first time proved persistent releasing into aquatic environments. Salinity, pH, coexisting estrogens, chemistry influence sorption/desorption behaviors different degrees. Plastic transportation vectors which may constitute ecological risk.

Язык: Английский

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