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Tytuł:
Mikroplastik w środowisku – jego pochodzenie, klasyfikacja, drogi migracji i wpływ na organizmy
Microplastic in the environment – its origin, classification, migration routes and impact on organisms
Autorzy:
Klimasz, Marek
Grobelak, Anna
Piekutin, Janina
Powiązania:
https://bibliotekanauki.pl/chapters/27319550.pdf
Data publikacji:
2023-07-19
Wydawca:
Politechnika Częstochowska. Wydawnictwo Politechniki Częstochowskiej
Tematy:
mikroplastik
tworzywa sztuczne
akumulacja mikroplastiku
mikroplastik w dżdżownicach
microplastic
plastics
microplastic accumulation
microplastic in earthworms
Opis:
Globalna produkcja plastików i tworzyw sztucznych ma obecnie tendencję wzrostową, co powoduje także wzrost zawartości mikroplastików w środowisku, które w sposób niekontrolowany przedostają się do wód powierzchniowych, gleby oraz powietrza. Wyróżniono wiele rodzajów mikroplastiku w zależności od jego pochodzenia, kształtu, wielkości oraz rodzaju tworzywa, a do najczęściej opisywanych należą mikrogranule, włókna oraz mikroplastiki różnokształtne. W pracy ukazano wpływ mikroplastiku na rośliny i zwierzęta, przedstawiono ogólne zagrożenia wynikające z obecności w środowisku tworzyw sztucznych oraz nowatorską metodę detekcji mikroplastiku z wykorzystaniem dżdżownic.
Global production of plastics and plastics is currently in a continuous upward trend, which also causes an increase in the content of microplastics in the environment, which is released into surface waters, soil and air in an uncontrolled manner. Many types of microplastics have been distinguished depending on its origin, shape, size and type of material, and the most frequently described ones include microgranules, fibers and various shapes of microplastics. The chapter shows the influence of microplastics on plants and animals, presents general threats resulting from the presence of plastics in the environment and an innovative method of microplastic detection with the use of earthworms.
Źródło:
Inżynieria środowiska i biotechnologia. Wyzwania i nowe technologie; 151-164
9788371939013
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Mikroplastik : źródła, techniki separacji i indywiduacji
Microplastic : sources, separation and identification techniques
Autorzy:
Trzebiatowska, Patrycja Jutrzenka
Kadac-Czapska, Kornelia
Grembecka, Małgorzata
Powiązania:
https://bibliotekanauki.pl/articles/27310027.pdf
Data publikacji:
2023
Wydawca:
Polskie Towarzystwo Chemiczne
Tematy:
mikroplastik
tworzywa sztuczne
identyfikacja mikroplastiku
microplastic
plastics
microplastics identification
Opis:
The worldwide extensive consumption of plastic materials, due to the low cost of production and their versatility, causes plastic pollution of the environment. It is one of the most difficult and challenging problems on the Earth, affecting the oceans, land, atmosphere and living matter. An emerging aspect is a microplastic pollution, which has become an intensively researched topic among scientists and organizations. Microplastics (MPs) according to the definition are granules, fibers, and fragments of micropollutants of the upper limit of the contractual size is 5 mm. They can have a primary or secondary origin. Primary microplastics are microscopic granules, or pellets purposedly produced for industrial applications. Secondary microplastics are usually generated by the fragmentation and degradation of plastic waste in the environment (e.g. mechanical abrasion, UV radiation, temperature changes, and biodegradation) or during the use of plastic consumption (Figure 2). Microplastics can impact ecosystems by providing water, delivery and air, and further affect human health by inhaling airborne particles or providing contaminated water and food. There can be identified three major harmful aspects of plastics and microplastics. Firstly, plastics exposed to environmental weathering can undergo degradation and break down from macro to smaller particles. MPs may be transported across the globe, as there were found in the Arctic snow or oceans deep. Second, MPs may adsorb and carry toxic chemical substances (persistent organic pollutants) which are harmful to humans and animals. And last but not least, plastics get to the food chain and air and reach humans through various routes. Many works in the literature describe the procedure of sampling, handling, identifying and quantifying MPs from different environments. Before to the actual analysis, MPs samples are often first fractionated by sieving, and solutions of various densities are also used to separate potential microplastics from other contaminants. Subsequently, the samples are purified in etching media to remove any organic contaminants. The MP identification and characterization procedure is a five-step process. It concerns the analysis of the size, shape, color and amount of plastic particles (expressed as the number or mass of particles per volume or mass of the sample) usually done by microscopy. The identification of the polymer is done by chemical characterization using usually spectroscopic (IR and Raman), chromatographic or thermal methods (Figure 4).
Źródło:
Wiadomości Chemiczne; 2023, 77, 3-4; 153--177
0043-5104
2300-0295
Pojawia się w:
Wiadomości Chemiczne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Mikroplastik w środowisku morskim : interdyscyplinarne spojrzenie na problem
Microplastic debris in the maritime environment : the interdisciplinary approach to the problem
Autorzy:
Dąbrowska, A.
Powiązania:
https://bibliotekanauki.pl/articles/277967.pdf
Data publikacji:
2017
Wydawca:
Sieć Badawcza Łukasiewicz - Instytut Inżynierii Materiałów Polimerowych i Barwników
Tematy:
mikroplastik
fragmenty odpadowych tworzyw sztucznych
zanieczyszczenia środowisk morskich
microplastic debris
maritime environment pollution
Opis:
XX i XXI wiek, wraz z postępem w dziedzinie inżynierii materiałowej i rosnącą liczbą produktów z tworzyw sztucznych, przyniósł znaczną liczbę odpadów. Większość z nich, wraz z wodami powierzchniowymi lub bezpośrednio wyrzucona za burtę, przenosi się do morskich ekosystemów (docierając nawet do bentosu). Ze względu na specyficzne warunki środowiska (duże zasolenie, ruch wody morskiej, promieniowanie UV) łatwo ulegają rozdrobnieniu i są przenoszone na duże odległości w formie mikrocząstek. O ich wpływie na morską faunę, mechanizmach transportu, akumulacji, skutkach długotrwałego oddziaływania itp. wiadomo dalej zbyt mało. Przy rocznej produkcji tworzyw sztucznych >300 mln ton, z których >50% stanowią produkty jednokrotnego użytku, omawiane zagadnienie jest istotnym i złożonym problemem wymagającym interdyscyplinarnych badań podstawowych.
The microplastic debris in the environment is currently an increasing and still poorly investigated problem. The majority of plastic rubbishes ends in the oceans via fluvial transport, storm water discharges or directly from ships and due to the salinity, waving, UV radiation the material is easily fragmented. Although microplastics are ubiquitous in the maritime systems (even at the sea-bed), the knowledge about their transport, accumulation, chemistry, physics and ecotoxicology is not sufficient. As the global annual production exceeds 300 millions of tones and more than a halve of it is disposable the interdisciplinary approach and a complex research strategy is needed to address and resolve this serious problem.
Źródło:
Przetwórstwo Tworzyw; 2017, T. 23, Nr 2 (176), 2 (176); 110-116
1429-0472
Pojawia się w:
Przetwórstwo Tworzyw
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:
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
Tytuł:
Mikroplastik w środowisku naturalnym
Microplastic
Autorzy:
Samsonowska, Katarzyna
Kaszuba, Alicja
Powiązania:
https://bibliotekanauki.pl/articles/2088262.pdf
Data publikacji:
2022
Wydawca:
Sieć Badawcza Łukasiewicz - Instytut Chemii Przemysłowej
Tematy:
odpady tworzyw sztucznych
mikroplastik
akty prawne
polymer waste
microplastics
legal acts
Opis:
Ze wzrostem produkcji tworzyw polimerowych gwałtownie zwiększyła się ilość odpadów plastikowych. Problem dotyczy nie tylko akwenów, gdzie odpady z tworzyw tworzą dryfujące wyspy śmieci, ale także plaż i niekontrolowanych wysypisk. Realnym niebezpieczeństwem dla środowiska naturalnego oraz zdrowia ludzi i zwierząt jest tzw. mikroplastik.
With the increase in plastic production, the amount of plastic waste has increased sharply. The problem concerns not only waters where plastic waste forms drifting islands of rubbish, but also beaches and uncontrolled landfills. The real danger to the environment and human and animal health is the so-called microplastic.
Źródło:
Polimery; 2022, 67, 1; 28--33
0032-2725
Pojawia się w:
Polimery
Dostawca treści:
Biblioteka Nauki
Artykuł
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:
Microplastic in Food and Drinking Water - Environmental Monitoring Data
Autorzy:
Myszograj, Martyna
Powiązania:
https://bibliotekanauki.pl/articles/1838055.pdf
Data publikacji:
2020
Wydawca:
Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:
plastics
microplastics
monitoring
hazards
environment
tworzywa sztuczne
mikroplastik
monitorowanie
zanieczyszczenie
środowisko
Opis:
Microplastics are present in the environment and have been found in seas and oceans, fresh water, sewage, food, air, and drinking water, both bottled and tap water. Nanoplastics can originate from engineered material or can be produced during fragmentation of microplastic debris. This paper presents an analysis of the research available in the literature on the content of microplastics in food, tap water, and bottled water. There is no legislation for microplastics as contaminants in food. Available data are from sea food species such as fish, shrimp, and bivalves, and also in other foods such as honey, beer, and table salt. In tap water, the measured amount of microplastic particles varies extensively and depends on the place of intake, type of conditioning, and water distribution system. Studies concerning bottled water have shown that water contains microplastics from disposable plastic bottles, bottles made of recycled material, and even glass bottles. The lack of analytical standards related to the adoption of the method of determination and identification of the size and form of microplastic particles was found to be problematic. The abovementioned particles were mainly identified as polyethylene (PE), polyethylene terephthalate (PET), polypropylene (PP), polyamides (PA), polyether sulfone (PES), polystyrene (PS), and polyvinyl chloride (PVC), and were between 1 and 150 μm in size. The most common shapes of the particles were fragments, followed by fibres and flakes. Toxicity and toxicokinetic data are lacking for microplastics for a human risk assessment.
Źródło:
Civil and Environmental Engineering Reports; 2020, 30, 4; 201-209
2080-5187
2450-8594
Pojawia się w:
Civil and Environmental Engineering Reports
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:
Heterogeneous polymers degradation – microplastic
Niejednorodna degradacja polimerów – mikroplastik
Autorzy:
Mucha, Maria
Mucha, Jarosław
Powiązania:
https://bibliotekanauki.pl/articles/2202623.pdf
Data publikacji:
2022
Wydawca:
Sieć Badawcza Łukasiewicz - Instytut Chemii Przemysłowej
Tematy:
thermos-oxidation
semicrystalline polymers
chain scission
structure
viscosity
termooksydacja
polimery częściowo krystaliczne
pękanie łańcucha
struktura
lepkość
Opis:
The process of semicrystalline polymers thermo-oxidative degradation was analyzed on the example of isotactic polypropylene (iPP). Oxygen degradation takes place mainly in the amorphous phase into which oxygen diffuses. This leads to oxidation (formation of hydroperoxides) and next the chains scission. The polymer becomes brittle and breaks down into small pieces (e.g. microplastics). The crystalline phase is more difficult to access for oxygen that initiates the thermo-oxidation process. An increase in the crystallinity degree and a decrease in the viscosity of the solutions diluted in p-xylene as a function of the degradation time were observed. The number of iPP chain scission (change in molecular weight) as a function of degradation time was also calculated. These values depend on the polymer initial crystallinity degree and its supermolecular structure.
Na przykładzie izotaktycznego polipropylenu (iPP) przeprowadzono analizę procesu termooksydacyjnej degradacji polimerów semikrystalicznych. Degradacja z udziałem tlenu obydwa się przede wszystkim w fazie amorficznej, do której dyfunduje tlen. Prowadzi to do utleniania (powstawania wodoronadtlenków), a następnie pękania łańcucha polimerowego. Polimer staje się kruchy i rozpada na małe fragmenty (m.in. mikroplastik). Faza krystaliczna jest trudniej dostępna dla tlenu inicjującego proces termoutleniania. Stwierdzono wzrost stopnia krystaliczności i zmniejszenie lepkości roztworów rozcieńczonych w p-ksylenie w funkcji czasu degradacji. Obliczono również liczbę pęknięć łańcucha iPP (zmianę masy cząsteczkowej) w funkcji czasu degradacji. Wielkości te zależą od początkowego stopnia krystaliczności polimeru i jego struktury nadcząsteczkowej.
Źródło:
Polimery; 2022, 67, 7-8; 293--297
0032-2725
Pojawia się w:
Polimery
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:
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:
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:
Conditions for Sediment Coating Microplastic in Mangrove Ecosystems in Kupang and Rote, East Nusa Tenggara, Indonesia
Autorzy:
Zandhi, Riska
Yuliadi, Lintang P. S.
Ismail, M. Rudyansyah
Yuniarti, M. S.
Powiązania:
https://bibliotekanauki.pl/articles/1076618.pdf
Data publikacji:
2019
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
East Nusa Tenggara
Kupang and Rote
microplastics
sediment
Opis:
The observation and direct sampling, as well as laboratory tests of this research was conducted from June until October 2018. This study aims to determine the existence of microplastics in the sediment of water bodies in Kupang and Rote Districts based on the number, type, size and abundance of microplastics. The data used in this study include the type of sediment, microplastic abundance and the characteristics of the data collection area. Microplastics are plastic particles sized less than 5 mm, and in our research, were divided into 4 types: manifold fiber, fragment, film and pellets. Herein, 849 particles of microplastic were found: 635 fibers, 160 particle fragments, and 54 particle films. The primary influencing factor for microplastic deposition is the sedimentary texture itself. Sediments of a coarse type do not capture as much microplastic as do sediments of a finer texture. Data collection area characteristics also affect accumulation.
Źródło:
World News of Natural Sciences; 2019, 27; 50-58
2543-5426
Pojawia się w:
World News of Natural Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 21

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