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2,774 results for “Agent”
Water is a radiation protection agent for ionised pyrrole
<p>Data and scripts for the manuscript with the title: Water is a radiation protection agent for ionised pyrrole</p>
Using Rice Husk Ash (RHA) as Stabilizing Agent for Problematic Subgrade Soils and Embankments
<p>Arkansas produces the most of the rice in the United States. About 20% of poddy is rice husk (RH), which is burnt under controlled conditions to produce rice rusk ash (RHA). The RHA is considered an environmental hazard and a significant challenge for rice millers. However, RHA is rich in pozzolanic material, which is mainly silica. In this study, RHA is used to stabilize poor soils. Another commonly used stabilizer, hydrated lime (HL), has also been evaluated for comparison purposes. Thus, this study aimed to determine the optimum percentages of RHA, HL, or a combination of these two agents by evaluating selective physical, mechanical, and chemical properties of four subgrade soils (two from Arkansas and two from Oklahoma). Various amounts (by mass of soil) of RHA (3, 6, and 9%), HL (1, 3, and 5%), and RHA+HL have been utilized to know their optimum dosages. Routine tests including the Atterberg limits, Modified proctor, pH, California Bearing Ratio (CBR), unconfined compressive strength (UCS), free swell, and one-direction shrinkage were conducted for untreated and treated soils. Further, scanning electron microscopy (SEM) with X-ray diffractometer tests were performed to evaluate the changes in microstructure due to stabilization. Treated soils show a significant improvement in UCS and CBR data. Additionally, the free swell test also indicates a reduced swelling of treated soils. The optimum dosages of RHA and HL were found to be 6% and 3%, respectively. When these two agents were used together, a blend of 4%RHA and 1%HL was found to be the most effective in improving engineering properties The findings of this research can significantly benefit the construction industry in Arkansas by reducing costs associated with traditional soil stabilization methods and finding a sustainable and environmentally way of using RHA.</p>
A difference in larval mosquito size allows a biocontrol agent to target the invasive species
<p><span>As the global temperature rises in the coming decades, <em>Aedes</em> <em>albopictus</em> is expected to invade and establish in South East England, where <em>Culex</em> <em>pipiens</em> is currently the most common native mosquito species. Biocontrol measures that use local cyclopoid copepods against <em>Ae. albopictus</em> may be compromised if the copepods prefer alternate <em>Cx. pipiens</em> prey. In this study, I assessed the predation efficiency of <em>Megacyclops</em> <em>viridis</em> copepods against French <em>Ae. albopictus</em> larvae and larvae that hatched from egg rafts of <em>Cx. pipiens</em> collected in South East England. The experiments were conducted at 15°C and 25°C, which are representative of present and future summer temperatures in South East England. <em>Ae. albopictus</em> larvae that survived the course of the experiment in the predator-absent controls were significantly smaller than <em>Cx. pipiens</em> larvae that survived in the absence of predation. The background mortality of <em>Cx. pipiens</em> larvae increased with the ten-degree increase in temperature, and the smaller size of surviving <em>Cx. pipiens</em> larvae at 25°C, relative to survivors at 15°C, suggests that larger <em>Cx. pipiens</em> larvae were more likely to die at the higher temperature setting. Across all experimental treatments, the ratio of copepod body length to mean prey length, based on larval lengths of survivors from the corresponding predator-absent controls, was a significant predictor of the copepod's predation efficiency. Adding temperature setting to the predation efficiency model as a predictor did not improve model fit. Within the mixed prey treatments, the predation efficiency of <em>M. viridis</em> was 34.5 percentage points higher against <em>Ae. </em>albopictus prey than against <em>Cx. pipiens</em> prey. The higher predation efficiency that <em>M. viridis </em>exhibited against invasive <em>Ae. albopictus</em> prey, likely due to the smaller size of these larvae, supports the future use of <em>M</em>. <em>viridis</em> as a biocontrol agent in the UK.</span></p>
Systematic Comparison of Software Agents and Digital Twins: Differences, Similarities, and Synergies in Industrial Production: A Dataset
<p>Supplementary dataset containing extrated information regarding the capabilites, properties, purposes, and axes of RAMI 4.0 of Agents and Digital Twins.</p>
20230523-VBCE: Agents adapt ontologies to agree on decision taking. Introducing cultural values
<p>This archive contains the results of a multi-agent simulation experiment [1] carried out with Lazy lavender [2] environment.</p> <p>Experiment Label: 20230523-VBCE</p> <p>Experiment design: Agents adapt ontologies to agree on decision taking. Introducing cultural values (independece, novelty, authority, mastery) that influence which agent adapts in case of interaction failure.</p> <p>Experiment setting: Agents learn decision trees (transformed into ontologies); get payoffs according to cultural values; adapt by splitting their leaf nodes</p> <p>Hypotheses: Positive mastery is needed for increasing accuracy. Negative independence causes the success rate to converge faster. Negative novelty increases ontology distance. Positive authority increases accuracy when used with positive mastery.</p> <p>Detailed information can be found in index.html or notebook.ipynb.</p> <p>[1] https://sake.re/20230523-VBCE<br> [2] https://gitlab.inria.fr/moex/lazylav/</p>
20230822-IKEM: Intrinsic exploration motivation (individual / social and direct / indirect curiosity, creativity and non-exploration), that influences which object and, if the agent is social, partner(s) are chosen for the interaction, is introduced.
<p>This archive contains the results of a multi-agent simulation experiment [1] carried out with Lazy lavender [2] environment.<br> <br> Experiment Label: 20230822-IKEM<br> <br> Experiment design: Agents interact by playing games with objects and adapt their ontologies to agree on decision taking. Intrinsic exploration motivation (individual / social and direct / indirect curiosity, creativity and non-exploration), that influences which object and, if the agent is social, partner(s) are chosen for the interaction, is introduced.<br> <br> Experiment setting: Agents learn decision trees (transformed into ontologies); choose the objects (and partners) to interact with; adapt by splitting their leaf nodes<br> <br> Hypotheses: 1) Agents will be able to fulfil their motivation in terms of increased exploration (exploratory motivations) and decreased exploration (non-exploratory motivation). 2) Agents with exploratory motivation will be more complete, but less accurate than the baseline and non-exploration. 3) Curious agents will be more accurate and complete, but converge slower in comparison with creativity. 4) In more complex settings (higher number of agents and properties), exploration leads to more completeness, accuracy, distance and faster convergence than the baseline. 5) Agents with non-exploratory motivation will be less accurate and complete than the baseline. 6) The indirect learning models have a higher accuracy and completeness than the direct models. 7) Agents with socially oriented intrinsic motivation will have less diverse knowledge, but agree more and converge faster than agents with individual intrinsic motivation. 8) Heterogeneously motivated agents will have a higher accuracy and completeness, but lower diversity and converge slower than homogeneously motivated agents.<br> <br> Detailed information can be found in index.html or notebook.ipynb.<br> <br> [1] <a href="\">https://sake.re/20230822-IKEM</a><br> [2] <a href="\">https://gitlab.inria.fr/moex/lazylav/</a><br> </p>
Carboxymethyl starch as a reducing and capping agent in the hydrothermal synthesis of selenium nanostructures for use with 3D-printed hydrogel carrier
<p>The hydrothermal method is a cost-effective and eco-friendly route for preparing various nanomaterials. It can utilize a capping agent, such as a polysaccharide, to govern and define the nanoparticle morphology. Elemental selenium nanostructures (spheres and rods) were synthesized and stabilized using a tailor-made carboxymethyl starch (CMS, degree of substitution = 0.3) under hydrothermal conditions. CMS is particularly convenient because it acts simultaneously as the capping and reducing agent, as verified by several analytical techniques, while the reaction relies entirely on green solvents. Furthermore, the effect of sodium selenite concentration, reaction time, and temperature on the nanoparticle size, morphology, microstructure, and chemical composition was investigated to identify the ideal synthesis conditions. A pilot experiment demonstrated the feasibility of implementing the synthesized nanoparticles into vat photopolymerization 3D-printed hydrogel carriers based on 2-hydroxyethyl methacrylate (HEMA). When submersed into the water, the subsequent particle release was confirmed by dynamic light scattering (DLS), promising great potential for use in bio-3D printing and other biomedical applications.</p>
Dataset for the paper: Emergent Resource Exchange and Tolerated Theft Behavior using Multi-Agent Reinforcement Learning
<p>Data generated from the experiments for the paper "Emergent Resource Exchange and Tolerated Theft Behavior using Multi-Agent Reinforcement Learning"</p>
Shear bond strength of three universal adhesives to three CAD-CAM resin-based composites with and without a silane coupling agent
<p>i) The dataset acquired and analyzed in a laboratory study assessing the effect of three universal adhesives and a two-component silane coupling agent on the shear bond strength to three CAD-CAM resin-based composites with dispersed fillers (CCRBCs). </p> <p>ii) Data on the randomized allocation of specimens using computer-generated sequences created with free online software. </p>
Evaluation of Adherence to Topical Agents: Applying Communication Technology to Improve Sunscreen Use
ClinicalTrials.gov study NCT00535769. IPD Sharing: Not stated. Countries: 1. Publications: 1.
To Assess Safety and Efficacy of Agents Targeting DNA Damage Repair With Olaparib Versus Olaparib Monotherapy.
ClinicalTrials.gov study NCT03330847. IPD Sharing: YES. Countries: 15. Publications: 1.
Neuromuscular Blocking Agents in the Elderly
ClinicalTrials.gov study NCT03857750. IPD Sharing: Not stated. Countries: 1. Publications: 2.
Study of Ambrisentan With Antifibrotic Agent Combination Therapy in Diffuse Systemic Sclerosis
ClinicalTrials.gov study NCT01093885. IPD Sharing: Not stated. Countries: 1. Publications: 1.
A Study of Atezolizumab Compared With a Single-Agent Chemotherapy in Treatment Naïve Participants With Locally Advanced or Recurrent or Metastatic Non-Small Cell Lung Cancer Who Are Deemed Unsuitable
ClinicalTrials.gov study NCT03191786. IPD Sharing: Not stated. Countries: 24. Publications: 4.
Anti-angiogenesis Agent AG-013736 in Patients With Metastatic Renal Cell Carcinoma
ClinicalTrials.gov study NCT00076011. IPD Sharing: Not stated. Countries: 3. Publications: 1.
A Study of Cobimetinib Administered as Single Agent and in Combination With Venetoclax, With or Without Atezolizumab, in Participants With Relapsed and Refractory Multiple Myeloma
ClinicalTrials.gov study NCT03312530. IPD Sharing: Not stated. Countries: 9. Publications: 1.
Phase 1b Study of SL-172154 Administered With Combination Agent(s) in Subjects With Ovarian Cancers
ClinicalTrials.gov study NCT05483933. IPD Sharing: Not stated. Countries: 4. Publications: 0.
Effects of Single Agent Niraparib and Niraparib Plus Programmed Cell Death-1 (PD-1) Inhibitors in Non-Small Cell Lung Cancer Participants
ClinicalTrials.gov study NCT03308942. IPD Sharing: YES. Countries: 1. Publications: 1.
Myrcludex B in Combination With Peginterferon Alfa-2a Versus Peginterferon Alfa-2a Alone in Patients With Chronic Viral Hepatitis B With Delta-agent
ClinicalTrials.gov study NCT02888106. IPD Sharing: NO. Countries: 1. Publications: 3.
Flexibly adding-on Second Antimuscarinic Agent to the First Antimuscarinics for Refractory Overactive Bladder Syndrome
ClinicalTrials.gov study NCT01824420. IPD Sharing: NO. Countries: 1. Publications: 7.
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These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
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.