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175 results for “toxic effects”
Figure 1 in Investigation of protective effects of lithium borate on spermatogenesis and testes histopathology against cadmium-induced acute toxicity in rats
Figure 1. Testicular tissue, normal anatomical appearance (A), oedema, hyperaemia, congestion and haemorrhage (B), normal anatomical appearance (C), moderate oedematous and mild hyperaemic (D).
Figure 6 in Toxicity effects of copper on two species of marine diatoms microalgae and two species of dinoflagellates
Figure 6. Dynamics of organic carbon content, C (a), the Fv/Fm value (b) and the relative electronic transport rate, rETR on 3-ed day (c) in L. fissa at different copper ions concentrations: 1 – control, 2 – 3 µg·L-1, 3 – 5 µg·L-1, 4 – 10 µg·L-1, 5 – 50 µg·L-1, 6 – 100 µg·L-1, 7 – 200 µg· L-1. The average values of ± standard deviation are presented.
Figure 4 in Toxicity effects of copper on two species of marine diatoms microalgae and two species of dinoflagellates
Figure 4. Dynamics of organic carbon content, C (a, b), Fv/Fm (c) and relative electron transport rate, rETR on 3-ed day (d) in C. pelagica culture at different copper ions concentrations in small celled culture (a, c, d): 1 – control, 2 – 10 µg·L-1, 3 – 100 µg·L-1, 4 – 200 µg.L-1, 5 – 400 µg.L-1, 6 – 600 µg.L-1 and in large cell culture (b): 1 – control, 2 – 1 µg·L-1, 3 – 3 µg·L-1, 4 – 5 µg·L-1, 5 – 10 µg·L-1, 6 – 50 µg·L-1. The average values of ± standard deviation are presented.
Figure 2 in Toxicity effects of copper on two species of marine diatoms microalgae and two species of dinoflagellates
Figure 2. Relationship between microalgae optical density and organic carbon content (mg C· L-1) at a wavelength of 750 nm (OD750) in cultures: a – P. tricornutum, b – C. pelagica, c – P. nanum, d – L. fissa.
Figure 1 in Toxicity effects of copper on two species of marine diatoms microalgae and two species of dinoflagellates
Figure 1. View of microalgae cells under a light microscope: a – C. pelagica, b – P. tricornutum, c – L. fissa, d – P. nanum. The total magnification of the system is 400 times.
Figure 3 in Toxicity effects of copper on two species of marine diatoms microalgae and two species of dinoflagellates
Figure 3. Dynamics of organic carbon content, C (a, b), Fv/Fm (c, d) and the relative electronic transport rate, rETR on the 3rd day (e, f) in P. tricornutum at different copper ions concentrations: 1 – control, 2 – 1 µg·L-1, 3 – 5 µg·L-1, 4 – 10 µg·L-1, 5 – 50 µg·L-1, 6 – 100 µg·L-1, 7 – 200 µg·L-1; a, c, e – initial biomass of the culture is 0.2 mg C L-1, b, d, f – 1.0 mg C·L-1. The average values of ± standard deviation are presented.
Figure 5 in Toxicity effects of copper on two species of marine diatoms microalgae and two species of dinoflagellates
Figure 5. Dynamics of organic carbon content, C (a, b), Fv/Fm value (c, d) and relative electronic transport rate, rETR on 3-ed day (e, f) in P. nanum with an initial biomass of 0.5 mg C·L-1 (a, c, e) at copper ions concentrations: 1 – control, 2 – 1 µg·L-1, 3 – 3 µg·L-1, 4 – 5 µg·L-1, 5 – 10 µg·L-1, 6 – 50 µg· L-1, 7 – 100 µg·L-1 and with an initial biomass of 1.5 mg C.L-1 (b, d, f) at copper concentrations: 1 – control, 2 – 10 µg·L-1, 3 – 40 µg·L-1, 4 – 60 µg·L-1, 5 – 100 µg·L-1, 6 – 200 µg·L-1. The average values of ± standard deviation are presented.
Fig. 4 in The effects of three essential oils on adult repellency, larval fumigant toxicity, and egg hatch of Tribolium castaneum (Coleoptera: Tenebrionidae)
Fig. 4. Mean red flour beetle egg hatch (± SE) during exposure to rice grains treated with 1 of 3 essential oils at varying exposure times. Means with a different letter for each time interval are significantly different (Tukey's HSD post hoc test, P <0.05).
Fig. 3 in The effects of three essential oils on adult repellency, larval fumigant toxicity, and egg hatch of Tribolium castaneum (Coleoptera: Tenebrionidae)
Fig. 3. Mean percent (± SE) repellency of adult red flour beetles at varying intervals of exposure, tested separately to 1 of 3 essential oils. Means with a different letter for each time interval are significantly different (Tukey's HSD post hoc test, P <0.05).
Fig. 2 in The effects of three essential oils on adult repellency, larval fumigant toxicity, and egg hatch of Tribolium castaneum (Coleoptera: Tenebrionidae)
Fig. 2. Mean (± SE) repellency of adult red flour beetles at varying intervals of exposure, tested separately to 1 of 3 essential oils. Means with an asterisk for each time interval are significantly different (Chi-square test, P <0.05).
Fig. 1 in The effects of three essential oils on adult repellency, larval fumigant toxicity, and egg hatch of Tribolium castaneum (Coleoptera: Tenebrionidae)
Fig. 1. Diagram of adult repellency test apparatus showing cotton wick (source of essential oils) placed at the bottom of both legs, which were half filled with rice grains.
Fig. 5 in The effects of three essential oils on adult repellency, larval fumigant toxicity, and egg hatch of Tribolium castaneum (Coleoptera: Tenebrionidae)
Fig. 5. Mean percent (± SE) mortality of red flour beetle larvae during separate exposure, as a fumigant, to 1 of 3 essential oils, at varying exposure times. Means
Dataset for: The barrier to radial oxygen loss protects roots against hydrogen sulphide intrusion and its toxic effect
<ul> <li> <span>The root barrier to radial O<sub>2</sub> loss (ROL) is a key root trait preventing </span><span>O<sub>2</sub></span><span> loss from roots to anoxic soils thereby enabling root growth into anoxic, flooded soils. </span> </li> <li> <span>We hypothesized that the ROL barrier can also prevent intrusion of hydrogen sulphide (H<sub>2</sub>S), a potent phytotoxin in flooded soils. Using H2S and </span><span>O<sub>2</sub></span><span>-sensitive microsensors, we measured the apparent permeance to </span><span>H<sub>2</sub>S</span><span> of rice roots and tested whether restricted </span><span>H<sub>2</sub>S</span><span> intrusion reduced its adverse effects on root respiration and if </span><span>H<sub>2</sub>S</span><span> could induce the formation of a ROL barrier.</span> </li> <li> <span>The ROL barrier reduced apparent permeance to </span><span>H<sub>2</sub>S</span><span> by almost 99%, greatly restricting </span><span>H<sub>2</sub>S</span><span> intrusion. The ROL barrier acted as a shield towards </span><span>H<sub>2</sub>S</span><span>; </span><span>O<sub>2</sub></span><span> consumption in roots with a ROL barrier remained unaffected at high </span><span>H<sub>2</sub>S</span><span> concentration (500 µM), compared to a 67% decline in roots without a barrier. Importantly, low </span><span>H<sub>2</sub>S</span><span> concentrations induced the formation of a ROL barrier.</span> </li> <li> <span>In conclusion, the ROL barrier plays a key role in protecting against </span><span>H<sub>2</sub>S</span><span> intrusion, and </span><span>H<sub>2</sub>S</span><span> can act as an environmental signalling molecule for the induction of the barrier. The study demonstrates the multiple functions of the suberized/lignified outer part of the rice root beyond that of restricting ROL.</span> </li> </ul>
Dataset for: The barrier to radial oxygen loss protects roots against hydrogen sulphide intrusion and its toxic effect
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Mean plant toxicity modulates the effects of plant defense variability
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Effect of different feeding substrates on the production of in-sect-derived frass fertilizers for effective alleviation of ammonium (NH4+) toxicity - Raw Data and Supplementary Materials
<p>Raw data and Supplementary Materials for the submitted Article Titled: "Effect of different feeding substrates on the production of in-sect-derived frass fertilizers for effective alleviation of ammonium (NH4+) toxicity". Submitted to Agronomy-Basel MDPI. </p>
Fig 1 in Sub-lethal toxic effect of cadmium chloride (CdCl ) on freshwater murrel Channa punctata (BLOCH)
Fig 1: Channa punctata
Raw data for the submitted manuscript: The Effect of Clay Type on the Toxicity of Carbendazim and Imidacloprid to the Earthworm Eisenia andrei in Artificial Soils
<p>Raw data obtained from toxicity tests with the earthworm <em>Eisenia </em><em>andrei </em>exposed for 56 days to carbendazim and imidacloprid in artificial soils created with kaolin and bentonite clay. Tests were performed following OECD guideline 222. The file includes data on earthworm starting and ending weights, survival, and reproduction.</p>
Single species acute lethal toxicity tests are not predictive of relative population, community and ecosystem effects of two salinity types
<p>Human mediated salinity increases are occurring in freshwaters globally, with consequent negative effects on freshwater biodiversity. Salinity comprises multiple anions and cations. While total concentrations are typically used to infer effects, individual ion concentrations and ion ratios are critical in determining effects. Moreover, estimates of toxicity from single species laboratory tests, may not accurately predict relative effects on populations, communities and ecosystems. Here we compare salinity increases from synthetic marine salts (SMS) and sodium bicarbonate (NaHCO3) in an outdoor mesocosm experiment in south-eastern Australia. We found different effects of salt types on stream macroinvertebrates at the population, community, and ecosystem function levels, where similar effects were predicted from single species laboratory tests. Our results caution against the use of single species laboratory derived toxicological data to predict both environmentally safe salinity levels and the relative effects of different salt sources on freshwater biodiversity.</p>
Effect of Intravenous Methylprednisolone and Intravenous Erythropoietin in Toxic Optic Neuropathies: Randomized Clinical Trial.
ClinicalTrials.gov study NCT05748561. IPD Sharing: NO. Countries: 1. Publications: 15.
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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.