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    Wyświetlanie 1-8 z 8
    Tytuł:
    Microplastics Ingestion by Fish in the Biawak Island
    Autorzy:
    Ismail, Mochamad R.
    Lewaru, M. Wahyudin
    Prihadi, Donny J.
    Powiązania:
    https://bibliotekanauki.pl/articles/1166319.pdf
    Data publikacji:
    2018
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Biawak Island
    Fish
    Ingestion
    Microplastic
    Opis:
    Plastic pollution is a growing global concern. The Biawak Island is region conservation area in Indramayu, so not much human activity. But, marine debris in the Biawak Island is rife. In the present study, we investigated microplastic accumulation on Fish in the Biawak Island. This study fish is divided into 3 groups based on feeding habits, that is carnivore, herbivore and omnivore. We assessed the abundance of microplastic debris found in the gastrointestinal tract of fishes caught by local fishermen. Carnivore fish grup found 49-205 microplastic particle per-individual, herbivore fish grup found 60-316 microplastic particle per-individual, and omnivore grup found 83-106 microplastic particle per-individual. The ingestion of microplastics by fish was negatively correlated with the diversity of feeding habits. But accumulated of microplastic density in herbivore and carnivore is significantly different to omnivore.
    Źródło:
    World Scientific News; 2018, 106; 230-237
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Performance of Conventional Drinking Water Treatment Plants in Removing Microplastics in East Java, Indonesia
    Autorzy:
    Radityaningrum, Arlini Dyah
    Trihadiningrum, Yulinah
    Soedjono, Eddy Setiadi
    Powiązania:
    https://bibliotekanauki.pl/articles/24201748.pdf
    Data publikacji:
    2023
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    drinking water
    microplastic
    removal efficiency
    water treatment
    Opis:
    Microplastic (MP) has been a new emerging contaminant in the municipal water supply. A water treatment process is a key to producing high-quality and safe drinking water. The performance of a conventional drinking water treatment plant (CDWTP) to remove MPs is questionable. This research aimed to investigate the performance of 2 CDWTPs in East Java in removing MPs. Full-stage treatment in two CDWTPs consisted of intake, pre-sedimentation, coagulation-flocculation, sedimentation, sand filter, and disinfection units. Five L water samples were collected with a grab sampling technique in the sampling points of intake and outlet of each water treatment unit. MP abundance and characteristics in each sample were determined using a Sunshine SZM-45T-B1 stereomicroscope and a Nicolet i10 FTIR spectrophotometer. Total MP removal efficiencies in CDWTPs I and II were 66 and 62%, respectively. The coagulation-flocculation unit performed the highest MP removal efficiencies (56%). The MP with 1–350 μm size achieved lower removal efficiencies (33–53%) than that with 351-<5,000 μm size (53–76%). The removal efficiencies of fiber, fragment, and film in the CDWTPs were 61–65%; 86–100%; and 100%, respectively.
    Źródło:
    Journal of Ecological Engineering; 2023, 24, 6; 129--143
    2299-8993
    Pojawia się w:
    Journal of Ecological Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The determination of microplastic contamination in freshwater environments using sampling methods : A case study
    Autorzy:
    Karaban, Kamil
    Poniatowska, Agnieszka
    Kaliszewicz, Anita
    Winczek, Michał
    Ilieva-Makulec, Krassimira
    Romanowski, Jerzy
    Powiązania:
    https://bibliotekanauki.pl/articles/27312655.pdf
    Data publikacji:
    2023
    Wydawca:
    Instytut Technologiczno-Przyrodniczy
    Tematy:
    fraction of microfibres
    mesoplastic
    microplastic contamination
    water pollution
    Opis:
    We compared different net sampling methods for microplastic quantitative collection by sampling different water volumes with nets of different mesh sizes. Sampling covered freshwater lake and reservoir with a significant degree of eutrophication located in Central Poland. The fibres were the main type of plastic collected from sampling sites and constituted 83% of all microplastic particles. Fibres of 700-1900 μm dominated in the samples. The size of mesh affected the amount of fibres collected. Small fibres of 10-200 μm in length were collected using only a fine net of 20 μm mesh size. The total amount of fibres depended on sample volumes; concentrations of microplastics were higher for smaller water volumes. It is likely that clogging with phytoplankton and suspended particles reduced the filtration capacity of the finest nets when large volumes were sampled, which led to an underestimation of microplastic. To our knowledge, this is the first study to provide evidence that the amount of small microfibres depends on mesh size and that the total microplastic abundance in freshwaters in Poland depends on the sample volume. We suggest sampling rather larger than smaller water volumes to assess the level of microplastic contamination more accurately, but clogging, which reduces the filtration capacity of finest nets, should be taken into account when eutrophic freshwater environments are studied.
    Źródło:
    Journal of Water and Land Development; 2023, 57; 140--146
    1429-7426
    2083-4535
    Pojawia się w:
    Journal of Water and Land Development
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Uptake of Microplastics by Plant: a Reason to Worry or to be Happy?
    Autorzy:
    Ebere, Enyoh Christian
    Wirnkor, Verla Andrew
    Ngozi, Verla Evelyn
    Powiązania:
    https://bibliotekanauki.pl/articles/1066238.pdf
    Data publikacji:
    2019
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Agricultural soil
    Food
    Human health
    Microplastic
    Phytoremediation
    Plant
    Toxicity
    Opis:
    Microplastic (MP, 1 μm − 5 mm) pollution has become a global environmental concern with potential risk to ecosystem and human health. Information on the accumulation of MPs in aquatic species has been well documented, while information on the uptake and accumulation of MPs by higher plants is still very scarce. Terrestrial edible plants are directly exposed to MPs when soil was applied with sludge, organic fertilizer, plastic mulching, waste water irrigation, plastic littering, surface runoff or from atmospheric deposition of airborne MP. One study using fluorescent marker recently showed that plant can accumulate MP through uptake from MP polluted soil. Thus, potentially contaminating the base of the food-web and also indicating new exposure route to MP ingestion. This review present a discuss of the implication of these findings to human, who may be ingesting an estimated 80 g of MP through eating of plant daily as global consumption rate of plant continually increase. Also, benefit for the terrestrial ecosystem is discussed, by which plant acts as a potential remediator of MP polluted soil either by phytoextraction, phytostabilization and phytofilteration. We conclude by pointing knowledge gap and suggesting key future areas of research for scientists and policymakers.
    Źródło:
    World Scientific News; 2019, 131; 256-267
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Microplastics in a Traditional Turkish Dairy Product: Ayran
    Autorzy:
    Buyukunal, Serkan K.
    Rbaibi Zipak, Sanae
    Muratoglu, Karlo
    Powiązania:
    https://bibliotekanauki.pl/articles/16538542.pdf
    Data publikacji:
    2023-05-05
    Wydawca:
    Instytut Rozrodu Zwierząt i Badań Żywności Polskiej Akademii Nauk w Olsztynie
    Tematy:
    fermented milk product
    production process
    food pollution
    microplastic particle
    Opis:
    Ingestion of microplastic particles (MP) through food has been associated with a multitude of health problems in humans. Although ayran is a traditional and nutritious Turkish beverage, the impact of microplastic pollution is unknown. This study examined the incidence of microplastic pollution on ayran by collecting samples throughout the production processes and the ingredients used to make ayran, including water, salt, cream, starting culture, cups, and lastly, the ayran. Optical and scanning electron microscope was applied for MP visualisation and measurement, and Fourier-transform infrared spectroscopy (FTIR) for polymer identification. Microplastics were detected in all examined filters except for the starter culture samples. The samples with the highest MP number were salty water (43 MP number/100 mL), salt (33 MP number/100 g), and milk samples taken from homogenization and pasteurization phases (26 MP number/100 mL). Additionally, 18 MP number/100 mL contamination was detected in the last product ayran. MP with a size range of 1–150 µm prevailed (37.38%). Ethylene propylene was the most frequently identified polymer in samples (39.30%). The findings of this study can help provide an overview of microplastic contamination in dairy production facilities and the potential human health risks associated with this microplastic exposure.
    Źródło:
    Polish Journal of Food and Nutrition Sciences; 2023, 73, 2; 139-150
    1230-0322
    2083-6007
    Pojawia się w:
    Polish Journal of Food and Nutrition Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Occurrence and Characteristics of Microplastics in Leachate at a Large Municipal Wastewater Treatment Plant
    Autorzy:
    Ormaniec, Paulina
    Powiązania:
    https://bibliotekanauki.pl/articles/27314832.pdf
    Data publikacji:
    2022
    Wydawca:
    Uniwersytet Zielonogórski. Oficyna Wydawnicza
    Tematy:
    microplastic
    wastewater treatment plant
    leachate
    mikroplastik
    oczyszczalnia ścieków
    odcieki
    Opis:
    Due to the widespread occurrence and the potential threat to the environment, plastic materials are currently a growing problem of environmental protection in the world. Plastics whit dimensions not exceeding 5 mm are called microplastics. One of the main sources of microplastics in the aquatic environment are municipal wastewater treatment plants. The paper presents the results of research on the presence of microplastics in leachate from sludge processing at a large municipal wastewater treatment plant. The leachate was divided into the leachate produced in the processes of sludge thickening and dewatering. The analysis of the isolated microplastics included a physical analysis, which focuses on determining size, shape, and color of the isolated material. The next step was the chemical identification of the microplastic, where the type of polymer of the tested material was confirmed by means of Attenuated Total Reflection Fourier Transform Infrared. Among the isolated microplastic particles, almost a half was identified as fragments, and a smaller amount was confirmed for the presence of foil, fibers, foams and granules. The identified particles were plastic materials, including polypropylene, polyethylene, polystyrene or poly(terephthalate). Based on the results of the conducted research, the mass of microplastics in leachate was characterized and determined.
    Źródło:
    Civil and Environmental Engineering Reports; 2022, 32, 4; 105--115
    2080-5187
    2450-8594
    Pojawia się w:
    Civil and Environmental Engineering Reports
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Presence of MNPs in Water Environment-pathways of Degradation and Impact on Organisms
    Autorzy:
    Zając, Marcin
    Kotyńska, Joanna
    Naumowicz, Monika
    Powiązania:
    https://bibliotekanauki.pl/articles/27314863.pdf
    Data publikacji:
    2023
    Wydawca:
    Uniwersytet Zielonogórski. Oficyna Wydawnicza
    Tematy:
    microplastic
    nanoplastic
    degradation
    polymers
    human health
    mikroplastik
    nanoplastik
    degradacja
    polimery
    zdrowie
    Opis:
    In recent years, micro- and nanoplastics (MNPs) in the natural environment have become a severe issue. Therefore, it seems significant to be knowledgeable on the topic. The purpose of the literature review presented here is to describe the general characteristics of plastic particles, their main sources, degradation mechanisms, and the impact of plastic particles on individual systems of the human body. The usefulness and scale of distribution of plastics worldwide is shown, considering the increase in their production in recent years. Up-to-date literature indicates that they may influence the development of cancer, e.g. stomach, liver, or colon cancer. Scientists associate microplastics with the development of cardiovascular and immunological diseases. They also draw attention to the temporal correlation between the increased incidence of the above-civilization diseases and the increased environmental contamination with microplastics in recent decades.
    Źródło:
    Civil and Environmental Engineering Reports; 2023, 33, 4; 106--122
    2080-5187
    2450-8594
    Pojawia się w:
    Civil and Environmental Engineering Reports
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Surface Morphology of a Microplastic as an Indicator of Its Microscale Degradation
    Autorzy:
    Majewski, Kamil A.
    Myszograj, Sylwia
    Płuciennik-Koropczuk, Ewelina
    Powiązania:
    https://bibliotekanauki.pl/articles/2051554.pdf
    Data publikacji:
    2021
    Wydawca:
    Uniwersytet Zielonogórski. Oficyna Wydawnicza
    Tematy:
    plastic packaging
    one-use packaging
    microplastic
    degradation
    polypropylene
    analytical methods
    opakowanie plastikowe
    opakowania jednorazowego użytku
    mikroplastik
    degradacja
    polipropylen
    metody analityczne
    Opis:
    Most of the plastic produced, being one-use plastic packaging, is finally disposed of into the environment. Several agents such as solar radiation, mechanical forces, and microbial action may enable the degradation of these plastics. The purpose of this article is to present a method for studying the properties of a surface of a microplastic particle affected by erosion at the microscale level, which occurred with the help of destructive forces associated with the impact of the sea. The results of analysis of the morphology of the tested sample of microplastic (consisting of poly(propylene)) allowed observing how it was degraded. Examining the surface of a microplastic, one can analyze a number of factors as well as determine the possible path the material has traveled until it was collected as a sample. By determining the scale of the patterns, it is possible to estimate how long the sample and other microplastics present in marine environments have been there. The use of an Atomic Force Microscope not only allows the surface of the sample to be imaged in a non-destructive manner but also enables the degree of degradation to be calculated mathematically, provided a baseline is established from which erosion can be assumed to have originated.
    Źródło:
    Civil and Environmental Engineering Reports; 2021, 31, 4; 196-213
    2080-5187
    2450-8594
    Pojawia się w:
    Civil and Environmental Engineering Reports
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-8 z 8

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