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302 results for “Microplastics”
Reproduction, growth and oxidative stress in the earthworm Eisenia andrei exposed to conventional and biodegradable mulching film microplastics
<p>Dataset on Earthworm (<em>Eisenia andrei</em>) exposed to <span>of low-density polyethylene microplastics (PE-MP) and polybutylene adipate terephthalate biodegradable microplastics (PBAT-BD-MP) originating from mulching films. The study utilized seven concentrations (0, 0.005, 0.05, 0.1, 0.5, 1, and 5% w/w) in five replicates. Survival, growth, and oxidative stress responses of the earthworms were analysed after four weeks of exposure. Measured biomarker responses were superoxide dismutase, catalase, glutathione reductase, glutathione S-transferase, glutathione, and lipid peroxidation. Additionally, the Integrated Biomarker Response Index (IBR) was conducted to assess the overall oxidative stress status of the earthworms. The number of biomass of the juveniles were recorded after four additional weeks. The total length of the experiment was eight weeks. Soil water holding capacity (WHC) was analysed in the beginning of the experiment and soil pH in the beginning and end of the experiment. The study was conducted at the Finnish Environment Institute (Syke) Under project PAPILLONS (EU Horizon). </span></p>
Activation of 2D cobalt hydroxide with 0D cobalt oxide decoration for microplastics degradation and hydrogen evolution
<p>See the paper:</p><p> </p><p>Greco, R.; Baxauli-Marin, L.; Temerov, F.; Daboczi, M.; Eslava, S.; Niu, Y.; Zakharov, A.; Zhang, M.; Li, T.; Cao, W. <i>Chem. Eng. J.</i> <strong>2023</strong>, 471, 1144569</p><p> </p><p>The authors acknowledge MAX IV Laboratory for time on Beamline [MAXPEEM] under Proposal [20210172]. Research conducted at MAX IV, a Swedish national user facility, is supported by the Swedish Research council under contract 2018-07152, the Swedish Governmental Agency for Innovation Systems under contract 2018-04969, and Formas under contract 2019-02496.</p>
Data and code for the publication "Evaluating the effectiveness of the MicroPlastic Sediment Separator (MPSS)"
<p><strong>Authors</strong></p><p>Prume, Julia A.; Laermanns, Hannes; Löder, Martin G. J.; Laforsch, Christian; Bogner, Christina; Koch, Martin</p><p> </p><p><strong>Background</strong></p><p>The data set contains all data analysed in the paper with the title "Evaluating the effectiveness of the MicroPlastic Sediment Separator (MPSS)", published in the journal Microplastics & Nanoplastics (https://doi.org/10.1186/s43591-023-00073-3).</p><p> </p><p><strong>Description</strong></p><p>The spreadsheet <i>MPSS_data.xlsx</i> contains all data analysed in this work, organised in 11 sheets.</p><p>The R notebook <i>2023-11-09_MPSS_data_analysis.Rmd</i> contains the code to read, process, analyse, and plot the data for both the main text and the Supplementary Information.</p><p>The zipped folder <i>Figures</i> contains all plots for the main text and the Supplementary Information.</p><p>The file <i>EXTRACT_2023-06-05_Q9-Blank-2-1000.0_000001.0.dpt</i> contains data for the spectrum plotted in Supplementary Figure S1, the file <i>EXTRACT_2023-05-12-MPSS-Testpartikel.0_000000.0.dpt</i> contains data for the spectrum plotted in Supplementary Figure S17.</p><p> </p><p><strong>Disclaimer</strong></p><p>The data and code are provided as is without any warranty.</p><p> </p><p><strong>Funding</strong></p><p>J.A.P. gratefully acknowledges the support of the German Federal Ministry for Education and Research (BMBF) for the Citizen Lab for Microplastics (project 01BF1705) and the Hessian Ministry of Higher Education, Research and the Arts (HMWK) for the project Entwicklung eines Modells zur Simulation von Stoffströmen im Bereich Mikroplastik, LOEWE-Exploration. H.L., M.G.J.L., C.L., and C.B. acknowledge the funding by the Deutsche Forschungsgemeinschaft (DFG, German Research Foundation), Project Number 391977956 SFB 1357. Open access funding provided by the Open Access Publishing Fund of Philipps-Universität Marburg with support of the Deutsche Forschungsgemeinschaft (DFG, German Research Foundation).</p>
Nano- and microplastics commonly cause adverse impacts on plants at environmentally relevant levels: A systematic review
Open the record for dataset details and reuse information.
Data for Unravelling protein corona formation on pristine and leached microplastics
<p>Metadata<br>Excel file contains data for each of the 9 microplastic used in this study.<br>Each tab contains a different data type: zeta potential; surface roughness; surface area to volume ratio; Protein concentration; and Other measurements (length, width, volume, surface area).<br> </p>
Microbiome study associated with microplastics collected in Scotland IMTA lab - SAMS
<p><span>The study conducted at the Scotland IMTA Lab (SAMS) in May 2022 aimed to analyze microbial diversity on microplastics and in surrounding seawater, while evaluating methods for isolating microplastics and their associated microorganisms. Water samples were collected from a depth of 1.5 meters, and microplastics were filtered from 1000 liters of seawater. DNA extraction was performed on both sample types, with microbial analysis targeting the 16S rRNA gene. Data analysis was perfromed with a combination of QIIME2 and Rstudio.</span></p>
Microplastics in Eurasian otter (Lutra lutra) spraints and their potential as a biomonitoring tool in freshwater systems
<p>The ubiquitous nature of microplastics in aquatic ecosystems may have serious implications for aquatic biota. While microplastic research in freshwater ecosystems is increasing, very few studies have assessed the physical presence of microplastics among top predators. The Eurasian otter (<i>Lutra lutra</i>), a top predator of aquatic ecosystems, is one of the most widely distributed otter species and has a broad habitat niche. The opportunistic collection of otter spraints (i.e. feces) presents a valuable opportunity to assess pollutants of freshwater ecosystems through non-invasive means. Here we assessed the prevalence, abundance and concentration of microplastics (100 µm to 5 mm), as well as dietary remains, in 53 spraint samples collected over eight river catchments spanning three regions of Ireland. We found microplastics present in 57% of spraints at an abundance of 1.2 ± 0.1 microplastics (MPs)/spraint (mean ± SE) and a concentration of 3.8 ± 0.6 MPs/g (dry weight). Fibers were the dominant particle type recovered (85%), followed by film (10%). No significant differences in microplastic concentrations were detected between the three regions assessed, or between spraints collected from areas upstream (i.e. 'lower' exposure) or downstream ('higher' exposure) of putative microplastic sources, which were defined using spatial vector data. While microplastic concentrations were not explained by spraint condition (i.e. fresh, drying or dry), spraints collected in autumn had a significantly higher concentration than spring and summer. Furthermore, microplastic abundance or concentration could not be linked to dietary composition based on the items identified. From a trophic perspective, this study showed that the presence of microplastics in the feces of otter are most likely being obtained through its prey (i.e. secondary ingestion). While there may be limitations associated with using spraints as a biomonitoring tool for microplastics in freshwater systems, particularly with respect to otter home range and dietary niche breadth, they could still be employed for a regional assessment of microplastic levels.</p>
Microplastics alter feeding strategies of a coral reef organism
<p>Increasing marine microplastic pollution has detrimentally impacted organismal physiology and ecosystem functioning. While previous studies document negative effects of microplastics on coral reef animals, the potential responses of organisms such as Large Benthic Foraminifera (LBF) are largely unknown. Here, we document the impact of microplastics on heterotrophic feeding behavior of LBF. Specimens of <em>Amphistegina gibbosa </em>were incubated in three experimental treatments: (1) Artemia sp. nauplii only; (2) pristine microplastic particles only; (3) choice of nauplii and pristine microplastic. Feeding rates were observed 24 h after initiation of treatments. A separate experiment was conducted to compare the effect of conditioned vs. pristine microplastic. Our results indicate that A. gibbosa is able to selectively feed on Artemia, avoiding interactions with pristine microplastic. However, the presence of conditioned microplastic causes similar feeding interaction rates as with Artemia. This suggests microplastics with longer residence times may have a larger impact on facultative detritivores.</p>
No short-term effect of sinking microplastics on heterotrophy or sediment clearing in the tropical coral Stylophora pistillata
<p>Investigations of encounters between corals and microplastics have, to date, used particle concentrations that are several orders of magnitude above environmentally relevant levels. Here we investigate whether concentrations closer to values reported in tropical coral reefs affect sediment shedding and heterotrophy in reef-building corals. We show that single-pulse microplastic deposition elicits significantly more coral polyp retraction than comparable amounts of calcareous sediments. When deposited separately from sediments, microplastics remain longer on corals than sediments, through stronger adhesion and longer periods of examination by the coral polyps. Contamination of sediments with microplastics does not retard corals' sediment clearing rates. Rather, sediments speed-up microplastic shedding, possibly affecting its electrostatic behaviour. Heterotrophy rates are three times higher than microplastic ingestion rates when corals encounter microzooplankton (<i>Artemia salina</i> cysts) and microplastics separately. Exposed to cysts-microplastic combinations, corals feed preferentially on cysts regardless of microplastic concentration. Chronic-exposure experiments should test whether our conclusions hold true under environmental conditions typical of inshore marginal coral reefs.</p>
Metada on human bioaccessibility of phthalates and bisphenol A from microplastics
<p>Metada on human bioaccessibility of phthalates and bisphenol A from microplastics from:</p> <p><a href="https://doi.org/10.1016/j.scitotenv.2022.154027">J. López-Vázquez et al. Mimicking human ingestion of microplastics: Oral bioaccessibility tests of bisphenol A and phthalate esters under fed and fasted states. Science of the Total Environment 826 (2022) 154027</a></p>
Microplastic particles in Polymesoda caroliniana
<p>Messurement of Microplastic particles in Polymesoda caroliniana</p>
Datasets for the publication "Heteroaggregation of PS microplastic with ferrihydrite leads to rapid removal of microplastic particles from the water column"
<p>This file contains datasets that were generated during laboratory-based experiments on sedimentation, zeta potential and z-average hyd. diameter.</p> <p>The article was published in <em>Environmental Science: Processes & Impacts</em> (accepted July 11, 2022).</p>
Forensic determination of adhesive vinyl microplastics in urban soils
<p>All the pictures used for all the size measurements of microplastics in the work "Forensic determination of adhesive vinyl microplastics in urban soils"</p>
Microplastic
<p>This FTIR hyperspectral image shows an environmental plankton sample which has been spiked with microplastics in the size range between 10 and 200 µm. The added particles are one of the following polymer types:</p> <ul> <li>polyethylene</li> <li>polypropylene</li> <li>polystyrene</li> <li>poly(methyl methacrylate)</li> <li>polyacrylonitrile</li> </ul> <p>This hyperspectral image has been used as a source for training data for the creation of random decision forest classifiers. For a closer description of the dataset and the sample preparation see Hufnagl <em>et al.</em> (2019).</p> <p> </p> <p>If you reuse this dataset please cite</p> <p> </p> <p>Hufnagl, B., Steiner, D., Renner, Löder, M. G. J., Laforsch, C. and Lohninger, H. <em>A Methodology for the Fast Identification and Monitoring of Microplastics in</em><em> Environmental Samples using Random Decision Forest Classifiers,</em> Analytical Methods, 2019, DOI:10.1039/C9AY00252A</p>
Fig. 2 in Long-term dynamics of microplastic accumulation in the intestinal tract of terrestrial insects on the example of Vespula vulgaris (Linnaeus, 1758) (Hymenoptera: Vespidae)
Fig. 2. Occurrence of different types of MPs inside wasps, %. Рис. 2. Встречаемость раЗнотипных частиц МП в осах, %.
Fig. 1 in Long-term dynamics of microplastic accumulation in the intestinal tract of terrestrial insects on the example of Vespula vulgaris (Linnaeus, 1758) (Hymenoptera: Vespidae)
Fig. 1. Box and whisker plot showing average content of MP particles inside wasps from natural populations sampled in the vicinity of the village of Kireevsk (five samples/year; Tomsk region, Russia). Рис. 1. Диаграмма, демонстрируюЩаЯ среднее содержание частиц МП в осах иЗ природных популЯций (5 выборок/год) в окрестностЯх с. Киреевск (ТомскаЯ область, РоссиЯ).
Supplementary material, Figure S11 from Hudson Carvalho Ferreira and Gisele Lôbo-Hajdu (accepted) Preliminary assessment of microplastic pollution in surface waters of the Santos Basin: abundance and diversity in the most important oil and gas exploration hub in Brazil. Ocean and Coastal Research.
<p>Supplementary material, Figure S11 from Hudson Carvalho Ferreira and Gisele Lôbo-Hajdu (accepted) Preliminary assessment of microplastic pollution in surface waters of the Santos Basin: abundance and diversity in the most important oil and gas exploration hub in Brazil. Ocean and Coastal Research.</p> <p>Figure S11. Comparison between the sizes of microparticles collected in surface waters in the Santos Basin during winter and summer in the period 2020-2021.<br>Caption: SB, Santos Basin. S, Summer. W, Winter.</p>
Supplementary material, Figure S10 from Hudson Carvalho Ferreira and Gisele Lôbo-Hajdu (accepted) Preliminary assessment of microplastic pollution in surface waters of the Santos Basin: abundance and diversity in the most important oil and gas exploration hub in Brazil. Ocean and Coastal Research.
<p>Supplementary material, Figure S10 from Hudson Carvalho Ferreira and Gisele Lôbo-Hajdu (accepted) Preliminary assessment of microplastic pollution in surface waters of the Santos Basin: abundance and diversity in the most important oil and gas exploration hub in Brazil. Ocean and Coastal Research.</p> <p>Figure S10. Relative distribution of different sizes of microparticles collected in surface waters in the Santos Basin in the period 2020-2021.<br>Caption: SB, Santos Basin.</p>
Supplementary material, Figure S9 from Hudson Carvalho Ferreira and Gisele Lôbo-Hajdu (accepted) Preliminary assessment of microplastic pollution in surface waters of the Santos Basin: abundance and diversity in the most important oil and gas exploration hub in Brazil. Ocean and Coastal Research.
<p>Supplementary material, Figure S9 from Hudson Carvalho Ferreira and Gisele Lôbo-Hajdu (accepted) Preliminary assessment of microplastic pollution in surface waters of the Santos Basin: abundance and diversity in the most important oil and gas exploration hub in Brazil. Ocean and Coastal Research.</p> <p>Figure S9. Color distribution of microparticles collected during the winter and summer in surface waters of the Santos Basin in the period 2020-2021.<br>Caption: SB, Santos Basin. S, Summer. W, Winter.</p>
Supplementary material, Figure S8 from Hudson Carvalho Ferreira and Gisele Lôbo-Hajdu (accepted) Preliminary assessment of microplastic pollution in surface waters of the Santos Basin: abundance and diversity in the most important oil and gas exploration hub in Brazil. Ocean and Coastal Research.
<p>Supplementary material, Figure S8 from Hudson Carvalho Ferreira and Gisele Lôbo-Hajdu (accepted) Preliminary assessment of microplastic pollution in surface waters of the Santos Basin: abundance and diversity in the most important oil and gas exploration hub in Brazil. Ocean and Coastal Research.</p> <p>Figure S8. Distribution of the concentration of items and colors of particles at each sampling point in surface waters collected in the Santos Basin in the period 2020-2021.<br>Caption: SB, Santos Basin.</p>
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Allen Brain Atlas
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Annotated Behaviour and Observability Dataset (ABODe)
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DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.