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10,767 results for “Contribution”
Data for: Comparison of contributions to chloride in urban stormwater from winter brine and rock salt application
<p><strong>Abstract:</strong></p> <p>The use of road salt to increase roadway safety during winter storms releases high concentrations of chloride into urban and suburban stormwater. This stormwater flows into nearby streams, resulting in concentrations of chloride that can exceed water quality standards intended to protect aquatic life. As chloride pollution is not readily filtered by soil or plants, mitigation will require reductions in the amount of salt used. In this study, cities in St. Louis County, Missouri, U.S., were used as a test case for brining as a best management practice (BMP) to reduce salt use relative to the standard practice of spreading solid rock salt. The practice of brining involves the dissolution of road salt in water and the application of the resulting brine solution to roadways in advance of a forecasted winter storm. During the winters of 2016-17 and 2017-18, stormwater runoff from residential areas was monitored in paired cities to determine if the availability of brining as a BMP for salt application on residential roads would result in a decrease of chloride in stormwater and, therefore, a decrease in chloride reaching urban streams. The use of brining by city governments resulted in a 45% average reduction of chloride loads conveyed to streams, demonstrating that brining is a highly viable BMP for local municipal operations.</p> <p><strong>Publication DOI:</strong></p> <p><a href="https://doi.org/10.1021/acs.est.9b02864">https://doi.org/10.1021/acs.est.9b02864</a></p>
The Ubiquitin Ligase WWP1 Contributes to Shifts in Matrix Proteolytic Profiles and a Myocardial Ageing Phenotype with Diastolic Heart Failure
<p><strong><em>Aims</em></strong>. Ubiquitylation is a key event that regulates protein turnover, and induction of the ubiquitin ligase E3 WWP1 has been associated with age. Left ventricular hypertrophy (LVH) commonly occurs as a function of age and can cause heart failure with a preserved ejection fraction (EF; HFpEF). We hypothesized that overexpression (O/E) of WWP1 in the heart would cause LVH as well as functional and structural changes consistent with the ageing HFpEF phenotype.</p> <p><strong><em>Methods and Results.</em></strong> Global WWP1 O/E was achieved in mice (n=11) and echocardiography (40 MHz) performed to measure LV mass, EF, Doppler velocities (early-E, late/atrial-A), myocardial relaxation (E’), and isovolumetric relaxation time (IVRT) at 4, 6, and 8 weeks. Age matched wild type animals (n=15) were included as referent controls. LV EF was identical (60+1% vs 60+1%, p>0.90) with no difference in LV mass (67+3 vs 75+5, p>0.25) at 4 weeks. LVH and diastolic dysfunction occurred with WWP1 O/E wherein LV mass increased by over two-fold, E/A fell (impaired passive filling), and E/E’ was lower and IVRT prolonged (impaired LV relaxation). Collagen percent area increased by over two-fold with WWP1 O/E and increased expression of determinants of fibrosis and growth (qPCR) were also concomitantly increased.</p> <p><strong><em>Conclusion.</em></strong> Inducing WWP1 expression caused LVH with significant diastolic dysfunction, consistent with the HFpEF phenotype. Thus, targeting the WWP1 pathway may be a novel therapeutic target for this intractable form of HF associated with ageing</p>
Data for publication 'Recreational vessels without Automatic Identification System (AIS) dominate anthropogenic noise contributions to a shallow water soundscape' (Scientific Reports 2019)
<p>Data on vessel tracks and underwater noise levels presented in the publication Hermannsen, L., Mikkelsen, L., Tougaard, J., Beedholm, K., Johnson, M. and P. T. Madsen, "Recreational vessels without Automatic Identification System (AIS) dominate anthropogenic noise contributions to a shallow water soundscape", Scientific Reports 9:15477 (<a href="https://doi.org/10.1038/s41598-019-51222-9">https://doi.org/10.1038/s41598-019-51222-9</a>).</p>
Data for: Effects of treated wastewater on the ecotoxicity of small streams – unravelling the contribution of chemicals causing effects
<p>Wastewater treatment plant effluents are important point sources of micropollutants. To assess how the discharge of treated wastewater affects the ecotoxicity of small to medium-sized streams we collected water samples up- and downstream of 24 wastewater treatment plants across the Swiss Plateau and the Jura regions of Switzerland. We investigated estrogenicity, inhibition of algal photosynthetic activity (photosystem II, PSII) and growth, and acetylcholinesterase (AChE) inhibition. At four sites, we measured feeding activity of amphipods (<em>Gammarus fossarum</em>) <em>in situ</em> as well as water flea (<em>Ceriodaphnia dubia</em>) reproduction in water samples. Ecotoxicological endpoints were compared with results from analyses of general water quality parameters as well as a target screening of a wide range of organic micropollutants with a focus on pesticides and pharmaceuticals using liquid chromatography high-resolution tandem mass spectrometry.</p> <p>Measured ecotoxicological effects in stream water varied substantially among sites: 17β-estradiol equivalent concentrations (EEQ<sub>bio</sub>, indicating the degree of estrogenicity) were relatively low and ranged from 0.04 to 0.85 ng/L, never exceeding a proposed effect-based trigger (EBT) value of 0.88 ng/L. Diuron equivalent (DEQ<sub>bio</sub>) concentrations (indicating the degree of photosystem II inhibition in algae) ranged from 2.4 to 1576 ng/L and exceeded the EBT value (70 ng/L) in one third of the rivers studied, sometimes even upstream of the WWTP. Parathion equivalent (PtEQ<sub>bio</sub>) concentrations (indicating the degree of AChE inhibition) reached relatively high values (37 to 1278 ng/L) mostly exceeding the corresponding EBT (196 ng/L PtEQ<sub>bio</sub>). Decreased feeding activity by amphipods or waterflea reproduction compared to the upstream site was observed at one of four investigated sites only. Results of the combined algae assay (PSII inhibition) correlated best with results of chemical analysis for PSII inhibiting herbicides. Estrogenicity was partly and AChE inhibition strongly underestimated based on measured steroidal estrogens respectively organophosphate and carbamate insecticides. An impact of dissolved organic carbon on results of the AChE inhibition assay was obvious. For this assay more work is required to further explore the missing correlation of bioassay data with chemical analytical data. Overall, the discharge of WWTP effluent led to increased estrogenicity, PSII and AChE inhibition downstream, irrespective of upstream land use.</p>
Figure. Map of Bursa Province, northwestern Turkey. in Contribution to the knowledge of Mantispoidea, Osmyloidea, and Myrmeleontoidea with new records for the Neuroptera fauna of northwestern Turkey
Figure. Map of Bursa Province, northwestern Turkey.
Figures 89 in Contribution to the knowledge of Thraulus Eaton, 1881 (Insecta: Ephemeroptera: Leptophlebiidae: Atalophlebiinae) from India with the description of five new species
Figures 89. Geographical distribution map of Thraulus species from India.
Figures 71–73 in Contribution to the knowledge of Thraulus Eaton, 1881 (Insecta: Ephemeroptera: Leptophlebiidae: Atalophlebiinae) from India with the description of five new species
Figures 71–73. Larva of Thraulus plumeus sp. nov. 71. Gill I; 72. Gill II; 73. Gill IV.
Fig. 7 in Contribution to the knowledge of the genus Lathrobium Grav. (Coleoptera, Staphylinidae, Paederinae) of the Baikal region. I. Catalogue of species and a new synonymy
Fig. 7. Distribution of Lathrobium mongolicum Bohač in Baikal region and Mongolia.
Figure 1 in Contribution to the knowledge of the Cydnidae (Hemiptera, Heteroptera, Pentatomoidea) fauna of Turkey
Figure 1. Map of distribution of Legnotus picipes (Fallén, 1807) in Turkey (new records in yellow).
Figure 1 in A contribution to the Alysiinae of southeastern Iran, with description of the male of Chorebus longiarticulis
Figure 1. Map of the area indicating collecting localities for Alysiinae species.
Figure 1 in Contribution to the knowledge of fish fauna of Kosovo with a special note on some invasive species
Figure 1. Four sampling stations in Badovc Lake (B1, B2, B3, and B4).
Figure 1 in Contribution to the knowledge of the Ichneumonidae (Hymenoptera) fauna of Turkey from northeastern Anatolia, Part I
Figure 1. Map of study areas (from Google Earth).
Figure. Study area in Turkey. in Contributions to the Pediciidae (Diptera) fauna of Turkey with six new records
Figure. Study area in Turkey.
Figure 1 in Contribution to the knowledge of the molluscan fauna of Kuşadası Bay (Aegean Sea)
Figure 1. Map of the investigated area with the location of sampling sites.
Figure 3 in Contribution to the knowledge of the molluscan fauna of Kuşadası Bay (Aegean Sea)
Figure 3. The distribution of the species to the families.
Figure 2 in Contribution to the knowledge of the molluscan fauna of Kuşadası Bay (Aegean Sea)
Figure 2. The distribution of the classes of identified species and family.
Figure 2. A in Variations in Afrolaophonte pori Masry, 1970 (Copepoda: Harpacticoida: Laophontidae a contribution towards the revision of the genus
Figure 2. A. pori, habitus: A) ♀, dorsal; B) ♀, lateral; C) ♂, dorsal.
Figure 1 in Variations in Afrolaophonte pori Masry, 1970 (Copepoda: Harpacticoida: Laophontidae a contribution towards the revision of the genus
Figure 1. Zoogeographic distribution of Afrolaophonte pori along the Turkish coasts.
Figure 8 in Contribution and acclimatization of the swarming tropical copepod Dioithona oculata (Farran, 1913) in a Mediterranean coastal ecosystem
Figure 8. Interannual variations of proportional ratio in female, male, and copepodits in autumn.
Figure 2 in Contribution and acclimatization of the swarming tropical copepod Dioithona oculata (Farran, 1913) in a Mediterranean coastal ecosystem
Figure 2. Seasonal changes of the sea water temperature and salinity values in the study area.
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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)
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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.