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12 results for “contaminated sediments”
FIGURE 3 in Microplastics contamination in fish, water, and sediment surrounding Ubatuba beaches, Southeastern Brazil
FIGURE 3 | Mean values and standard deviation of the synthetic particles in the gastrointestinal tract of Atherinella brasiliensis, from sandy beaches of Ubatuba, Brazil (summer, January/2021, and winter, July/2021).
FIGURE 5 in Microplastics contamination in fish, water, and sediment surrounding Ubatuba beaches, Southeastern Brazil
FIGURE 5 | Graphic representation of the Principal Component Analysis (PC1 and PC2) based on environmental variables measured in sandy beaches of Ubatuba, Brazil. Red circles = summer (S); Green circles = winter (W); BS = Barra Seca; PC = Perequê Calma; PB = Perequê Brava.
FIGURE 1 in Microplastics contamination in fish, water, and sediment surrounding Ubatuba beaches, Southeastern Brazil
FIGURE 1 | The three sampling areas: Barra Seca Beach (red line) and Perequê-Açú Beach (Brava, orange line, and Calma, green line) in Ubatuba, São Paulo State, Brazil. Source: QGIS.
FIGURE 2 in Microplastics contamination in fish, water, and sediment surrounding Ubatuba beaches, Southeastern Brazil
FIGURE 2 | Representation of colors percentage of the synthetic particles in the gastrointestinal tract of Atherinella brasiliensis, from sandy beaches of Ubatuba, Brazil (summer, January/2021, and winter, July/2021).
FIGURE 4 in Microplastics contamination in fish, water, and sediment surrounding Ubatuba beaches, Southeastern Brazil
FIGURE 4 | Box Plot representation (median and standard deviation) of synthetic particles quantities in the water (A) and sediment (B) samples from sandy beaches of Ubatuba, Brazil (summer, January/2021, and winter, July/2021).
Contaminated sediment in the Detroit River selects for evolved CYP1A and p53 responses in wild brown bullhead (Ameiurus nebulosus) populations
<div> <div> <p><span>In a previous study, adaptive responses to a single polycyclic aromatic hydrocarbon (PAH), benzo[a]pyrene (BaP), were identified in brown bullhead (</span><span><em>Ameiurus nebulosu</em>s</span><span>) captured from contaminated sites across the Great Lakes. The tumor suppressor p53 and phase I toxin metabolizing CYP1A genes showed a protective and refractory response, respectively, up to the F1 generation (Williams and Hubberstey, 2014). As an extension to the first study, bullhead were exposed to sediment collected from sites along the Detroit River to see if these adaptive responses are attainable when fish from a contaminated site are exposed to a mixture of contaminants, instead of a single compound. p53 and CYP1A proteins were measured in both studies with the addition of phase II glutathione-s-transferase (GST) activity in the second. Three treatment groups were measured: acute (treated immediately), cleared (depurated for three months and subsequent treatment), and farm raised F1 offspring. All three treatment groups were exposed to clean and contaminated sediment for 24 and 96 hours. </span><span>Acute fish from contaminated sites exposed to contaminated sediment revealed an initial elevated p53 response that was not reached in cleared fish exposed to contaminated sediment. Instead, cleared and F1 bullhead from clean and contaminated sites had overlapping p53 expression patterns in response to contaminated sediment by 96 hours. Acute fish from contaminated sites exposed to contaminated sediment revealed refractory CYP1A expression, which disappeared in cleared fish and whose F1 refractory response overlapped with clean site F1 offspring. Decreasing GST activity was evident in both clean and contaminated fish over time, with clean site fish responding to contaminated sediment more deliberately. By 96 hours, the response patterns of F1 offspring from clean and contaminated sites to clean and contaminated sediment exposures were similar. </span><span> </span></p> </div> <div> <p><span>Because p53, CYP1A and GST activity responses to contaminated sediment dosing overlapped in clean and contaminated farm-raised F1 offspring, these results suggest that contaminated fish have acclimated to the contaminants present in their environments by reaching a tolerance threshold and no evidence of adaptation was detected in these biomarkers. </span></p> </div> </div>
Contaminated sediment in the Detroit River provokes acclimated responses in wild brown bullhead (Ameiurus nebulosus) populations
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Data from: Littoral sediment arsenic concentrations predict arsenic trophic transfer and human health risk in contaminated lakes
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SEM EDS data for sediments in a crude oil contaminated aquifer
<p>Mineralogic classification and weight percent data for Fe, O, C, Co, Ni, Ba, and Sr from sediments in a crude oil-contaminated aquifer near Bemidji, Minnesota. </p>
Analysis of the physiological status of Geobacter uraniireducens growing in uranium-contaminated subsurface sediments
GEO Series GSE10920. Geotalea uraniireducens Rf4. 6 samples. Type: Expression profiling by array.
Transcriptional Response of Rhodococcus aetherivorans I24 to Polychlorinated Biphenyl-Contaminated Sediments.
GEO Series GSE17033. Rhodococcus aetherivorans. 30 samples. Type: Expression profiling by array.
High-throughput 16S rRNA amplicon pyrosequencing of contaminated aquifer sediment
GEO Series GSE25345. aquifer metagenome. 15 samples. Type: Non-coding RNA profiling by high throughput sequencing.
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
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.