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5,794 results for “exposures”
3-Monochloropropandiol and Glycidyl Esters in Heat-Processed Oil-Based Food Products: Exposure and Risk
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Replication files for Conservative News Media and Criminal Justice: Evidence from Exposure to Fox News Channel by E. Ash and M. Poyker
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Fits and plot data for the paper: "Combined analyses of within-host SARS-CoV-2 viral kinetics and information on past exposures to the virus in a human cohort identifies intrinsic differences of Omicron and Delta variants"
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Limitations of plant stress tolerance upon heat and CO2 exposure in black ploplar: Assessment of photosynthetic traits and stress volatile emissions
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Raw data for the submitted manuscript: Response of the terrestrial crustacean Porcellio scaber and the mealworm Tenebrio molitor to agricultural microplastics exposure: comparison of nondegradable and biodegradable fossil-based mulching films
<p>We uploaded two datasets on the response of terrestrial crustacean Porcellio scaber and the mealworm Tenebrio molitor to agricultural microplastics exposed in soil for 3 weeks and 4 weeks, respectively. </p> <p>a) <strong>Dataset</strong> "Response of the terrestrial crustacean Porcellio scaber to agricultural microplastics in soil" contains data on: electron transfer system activity, haemocyte viability, and share of hyalinocytes, semigranulocytes and granulocytes in haemolymph. </p> <p>b) <strong>Dataset</strong> "Response of the mealworm Tenebrio molitor to agricultural microplastics in soil" contains data on: larval moult and growth and animal survival </p> <p>These datasets are linked to publication entitled: Response of the terrestrial crustacean Porcellio scaber and the mealworm Tenebrio molitor to agricultural microplastics exposure: comparison of nondegradable and biodegradable fossil-based mulching films. Methods are described in detail in publication. Manuscript under review. </p>
Data for the article: Residual Flexural Performance of Large-Scale Ferronickel Slag Alkali-Activated Concrete Slabs After Fire Exposure
<p>Figures and related data for the article Residual Flexural Performance of Large-Scale Ferronickel Slag Alkali-Activated Concrete Slabs After Fire Exposure</p>
Supplementary digital data for Exposure of Insects to Current Use Pesticide Residues in Soil and Vegetation along Spatial and Temporal Distribution in Agricultural Sites
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Oxygen sensing with individual ZnO:Sb Micro-wires: Effects of temperature and light exposure on the sensitivity and stability
<p>Nanostructured ZnO has been widely investigated as a gas sensing material. Antimony is an important dopant for ZnO that catalyzes its surface reactivity and thus strengthens its gas sensing capability. However, there are little to no studies on the gas sensing of antimony-doped ZnO single wires. We fabricated and characterized ZnO/ZnO:Sb core/shell micro-wires and demonstrated that individual wires are sensitive to oxygen gas flow. Temperature and light illumination strongly affect the oxygen gas sensitivity and stability of these individual wires. It was found that these micro- and nano-wire oxygen sensors at 200˚C give the highest response to oxygen, yet a vanishingly small effect of light and temperature variations. The underlying physics and the interplay between these effects are discussed in terms of surface-adsorbed oxygen, oxygen vacancies and hydrogen doping.</p>
Exposure and building data
<p>Meta data, exposure and building data for loss assessments in the LEXIS workflow.</p>
Data from: Risk of cancer with angiotensin-receptor blockers increases with increasing cumulative exposure: Meta-regression analysis of randomized trials
<p>Angiotensin-receptor blockers (ARBs) are a class of drugs approved for the treatment of several common conditions, such as hypertension and heart failure. Recently, regulatory agencies have started to identify possibly carcinogenic nitrosamines and azido compounds in a multitude of formulations of several ARBs, resulting in progressive recalls. Furthermore, data from several randomized controlled trials suggested that there is also a clinically increased risk of cancer and specifically lung cancer with ARBs; whereas other trials suggested no increased risk. The purpose of this analysis was to provide additional insight into the ARB-cancer link by examining whether there is a relationship between degree of cumulative exposure to ARBs and risk of cancer in randomized trials. Trial-level data from ARB Trialists Collaboration including 15 randomized controlled trials was extracted and entered into meta-regression analyses. The two co-primary outcomes were the relationship between cumulative exposure to ARBs and risk of all cancers combined and the relationship between cumulative exposure and risk of lung cancer. A total of 74,021 patients were randomized to an ARB resulting in a total cumulative exposure of 172,389 person-years of exposure to daily high dose (or equivalent). 61,197 patients were randomized to control. There was a highly significant correlation between the degree of cumulative exposure to ARBs and risk of all cancers combined (slope=0.07 [95% CI 0.03 to 0.11], p<0.001), and also lung cancer (slope=0.16 [95% CI 0.05 to 0.27], p=0.003). Accordingly, in trials where the cumulative exposure was greater than 3 years of exposure to daily high dose, there was a statistically significant increase in risk of all cancers combined (I<sup>2</sup>=31.4%, RR 1.11 [95% CI 1.03 to 1.19], p=0.006). There was a statistically significant increase in risk of lung cancers in trials where the cumulative exposure was greater than 2.5 years (I<sup>2</sup>=0%, RR 1.21 [95% CI 1.02 to 1.44], p=0.03). In trials with lower cumulative exposure to ARBs, there was no increased risk of all cancers combined or lung cancer. Cumulative exposure-risk relationship with ARBs was independent of background angiotensin-converting enzyme inhibitor treatment or the type of control (i.e. placebo or non-placebo control). Since this is a trial-level analysis. the effects of patient characteristics such as age and smoking status could not be examined due to lack of patient-level data. In conclusion, this analysis, for the first time, reveals that risk of cancer with ARBs (and specifically lung cancer) increases with increasing cumulative exposure to these drugs. The excess risk of cancer with long-term ARB use has public health implications.</p>
Exposure to lysed bacteria can promote or inhibit growth of neighboring live bacteria depending on local abiotic conditions
Abstract Microbial death is extremely common in nature, yet the ecological role of dead bacteria is unclear. Dead cells are assumed to provide nutrients to surrounding microbes, but may also affect them in other ways. We found that adding lysate prepared from dead bacteria to cultures of Escherichia coli in nutrient-rich conditions suppressed their final population density. This is in stark contrast with the notion that the primary role of dead cells is nutritional, although we also observed this type of effect when we added dead bacteria to cultures that were not supplied with other nutrients. We only observed the growth-suppressive effect of our dead-bacteria treatment after they had undergone significant lysis, suggesting a key role for cellular contents released during lysis. Transcriptomic analysis indicated changes in gene expression in response to dead cells in growing populations, particularly in genes involved in motility. This was supported by experiments with genetic knockouts and copy-number manipulation. Because lysis is commonplace in natural and clinical settings, the growth-suppressive effect of dead cells we describe here may be a widespread and previously unrecognized constraint on bacterial population growth.
Effects of air pollution exposure on inflammatory and endurance performance in recreationally trained cyclists adapted to traffic-related air pollution
<p>Supplemental Table 1. Baseline values for blood parameters.</p>
Supplementary material 3 from: McNeill MR, Phillips CB, Robinson AP, Aalders L, Richards N, Young S, Dowsett C, James T, Bell N (2017) Defining the biosecurity risk posed by transported soil: Effects of storage time and environmental exposure on survival of soil biota. NeoBiota 32: 65-88. https://doi.org/10.3897/neobiota.32.9784
Soil chemistry of the two soil sources :
Supplementary material 2 from: McNeill MR, Phillips CB, Robinson AP, Aalders L, Richards N, Young S, Dowsett C, James T, Bell N (2017) Defining the biosecurity risk posed by transported soil: Effects of storage time and environmental exposure on survival of soil biota. NeoBiota 32: 65-88. https://doi.org/10.3897/neobiota.32.9784
Plant species common to both soil sources :
Supplementary material 1 from: McNeill MR, Phillips CB, Robinson AP, Aalders L, Richards N, Young S, Dowsett C, James T, Bell N (2017) Defining the biosecurity risk posed by transported soil: Effects of storage time and environmental exposure on survival of soil biota. NeoBiota 32: 65-88. https://doi.org/10.3897/neobiota.32.9784
Description of the data analysis methods and results :
Figure 3 from: Freire CA, Rios LP, Giareta EP, Castellano GC (2017) Oxygen consumption remains stable while ammonia excretion is reduced upon short time exposure to high salinity in Macrobrachium acanthurus (Caridae: Palaemonidae), a recent freshwater colonizer. Zoologia 34: 1-9. https://doi.org/10.3897/zoologia.34.e20173
Figure 3 - Initial (circles) and final (squares) pH and excreted ammonia (N-NH3) in water of M. acanthurus exposed to salinities 0 (control), 10, 20, and 30 psu for 4 (white symbols) and 8 hours (black symbols). Different letters mean differences between salinities within each time of exposure. * = value for 4 hours is different from value for 8 hours within a same salinity, # = initial and final values of water pH are different.
Figures 1-2 from: Freire CA, Rios LP, Giareta EP, Castellano GC (2017) Oxygen consumption remains stable while ammonia excretion is reduced upon short time exposure to high salinity in Macrobrachium acanthurus (Caridae: Palaemonidae), a recent freshwater colonizer. Zoologia 34: 1-9. https://doi.org/10.3897/zoologia.34.e20173
Figures 1-2 - Initial (circles) and final (squares) levels of dissolved oxygen in the water (1) and lactate concentration in the hemolymph (2) of M. acanthurus exposed to salinities 0 (control), 10, 20, and 30 psu for 4 (white symbols) and 8 hours (black symbols). Values near to the lines represent oxygen consumption (mean ± std dev) as a percentage of the initial oxygen concentration (considered 100%, as a reference value). (#) Initial and final levels of dissolved oxygen are different. There were no significant differences between salinities or times (4 and 8 hours) for oxygen consumption and lactate concentration.
Figures 4-5 from: Freire CA, Rios LP, Giareta EP, Castellano GC (2017) Oxygen consumption remains stable while ammonia excretion is reduced upon short time exposure to high salinity in Macrobrachium acanthurus (Caridae: Palaemonidae), a recent freshwater colonizer. Zoologia 34: 1-9. https://doi.org/10.3897/zoologia.34.e20173
Figures 4-5 - Hemolymph osmolality (4) and muscle water content (5) of M. acanthurus exposed to salinities 0 (control), 10, 20, and 30 psu for 4 (white circles) and 8 hours (black circles). Dashed line represents water expected values, from the relationship 1 psu = 30 mOsm/kg H2O, short horizontal lines indicate value of calculated water osmolality for the tested salinities. Different letters mean differences between salinities within each time of exposure. * = value for 4 hours is different from value for 8 hours within a same salinity.
Aconitate Decarboxylase 1 Mediates the Acute Airway Inflammatory Response to Environmental Exposures
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Raw data for research paper entitled "Effects of Acute Toluene Exposure on Oxidative Stress Parameters and Endothelial Markers in the Coronary Artery of Wistar Rats"
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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.