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Dataset results
13 results for “laboratory activity”
Climate Change Across Seasons Experiment (CCASE) at the Hubbard Brook Experimental Forest: growth and enzyme activity traits of soil fungi isolated from CCASE in July 2017, grown under a common garden experiment in the laboratory that mimicked CCASE soil temperature treatments
Projections for the northeastern U.S. indicate that mean air temperatures will rise and snowfall will become less frequent, causing more frequent soil freezing. To test fungal responses to these combined chronic and extreme soil temperature changes, we conducted a laboratory-based common garden experiment with soil fungi that had been subjected to different combinations of growing season soil warming, winter soil freeze/thaw cycles, and ambient conditions for four years in the field. We found that fungi originating from field plots experiencing a combination of growing season warming and winter freeze/thaw cycles had inherently lower activity of acid phosphatase, but higher cellulase activity, that could not be reversed in the lab. In addition, fungi quickly adjusted their physiology to freeze/thaw cycles in the laboratory, reducing growth rate and potentially reducing their carbon use efficiency. Our findings suggest that less than four years of new soil temperature conditions in the field can lead to physiological shifts by some soil fungi, as well as irreversible loss or acquisition of extracellular enzyme activity traits by other fungi. These findings could explain field observations of shifting soil carbon and nutrient cycling under simulated climate change. These data were gathered as part of the Hubbard Brook Ecosystem Study (HBES). The HBES is a collaborative effort at the Hubbard Brook Experimental Forest, which is operated and maintained by the USDA Forest Service, Northern Research Station.
Fig. 2 in Insecticidal activity of three plant extracts against adult Ips typograpgus L. under laboratory conditions
Fig. 2. Concentration–mortality response curves from the probit analyses testing insecticide effects of plant extracts against adults ofIps typographus in laboratory bioassays.
Fig. 1 in Insecticidal activity of three plant extracts against adult Ips typograpgus L. under laboratory conditions
Fig. 1. Mean cumulative mortality* of Ips typographus adults four days after treatments with different concentrations of three plant extracts in laboratory bioassays. The error bars represent the standard errors of means. (*corrected for a natural mortality in the control)
Fig. 3 in Insecticidal activity of three plant extracts against adult Ips typograpgus L. under laboratory conditions
Fig. 3. Kaplan-Meier estimates of the survival curves for Ips typographus adults treated with the plant extracts (2.5%) in laboratory bioassays.
Gap PAR (Photosynthetic Active Radiation) at the Coweeta Hydrologic Laboratory from 1993 to 1997
Small canopy openings often alter understory microclimate, leading to changes in forest structure and composition. It is generally accepted that physical changes in the understory (i.e., microclimatic) due to canopy removal drive changes in basic forest processes, particularly seedling recruitment which is intrinsically linked to soil moisture availability, light and, to a lesser extent, temperature. We examined the impact of small canopy gaps of the type (snags) and size (~300 m2) most frequently observed in the southern Appalachians on the understory microclimate. We created artificial canopy gaps at two elevations (a.m.s.l.) by girdling trees in areas with and without a Rhododendron maximum L. (rosebay rhododendron) understory. Soil and air temperature (degrees C), photosynthetically active radiation (PAR; mmol m-2s-1), and volumetric soil water content (WC%) in the upper 15 cm of soil were measured along transects generally running north to south through each gap.
RIBuild: Laboratory based investigations of the materials' water activity and pH relative to mould growth
<p>This dataset contains measurements of relative humidity and temperature in small test walls, from mycometer test and from measurements of moisture content in materials in the test walls.</p> <p>The objective of the study is to find the causes and conditions that lead to mould growth between a existing wall and installed insulation systems, and to suggest solutions to prevent mould growth.The study examines whether the alkaline environment (pH> 9), which may occur in the adhesive glue joint between the existing wall and the installed insulation is sufficient to prevent mould growth,even if the moisture (water activity (aw)) at the interface exceeds the levels (aw> 0.75) commonly considered critical for mould growth.</p> <p>The dataset also contains extensive photo documentation of preparations and carrying out the experiments.</p> <p>Further details to be found in appendix 5 of RIBuild deliverable 2.2 and in<br> Jensen, N.F., Bjarløv, S.P., Rode, C., Andersen, B., Møller, E.B. (submitted 2020). Laboratory based investigation of the materials’ water activity and pH relative to fungal growth in internally insulated solid masonry walls. Indoor Air. Wiley.</p> <p>Overview of data files to be found in 'RIBuild data WP2_DTU Small walls' as part of this dataset.</p>
Foreshock Activity Promoted by Locally Elevated Loading Rate on a 4-meter-long Laboratory Fault
<p>Experimental data and event catalog used for the study "Foreshock Activity Promoted by Locally Elevated Loading Rate on a 4-meter-long Laboratory Fault"</p>
Brief Communication: Monitoring active layer dynamic using a lightweight nimble Ground-Penetrating Radar system. A laboratory analog test case
<p>GPR dataset from Leger et al., 2023 (https://tc.copernicus.org/preprints/tc-2022-214/)</p> <p> </p>
Analysis of influence of Excretory Secretory Products from wild and laboratory Fasciola hepatica isolates on LPS activated bovine macrophages
GEO Series GSE95022. Bos taurus. 8 samples. Type: Expression profiling by array.
Detailed procedures and collections of photos taken during the preparation and research activities in the laboratory
<p>The authors grant all rights to the <strong>Glocolis 2024 Committee </strong>and the <strong>Indonesian Young Scientist Association (IYSA)</strong>. We declare that all work in this study was carried out equally by all authors. These are the complete procedures and collections of photos taken during the preparation and research activities in the laboratory.</p> <p>This submission is intended solely for use by the Glocolis Committee and judges, in accordance with the competition's purposes.</p> <p><strong>Research Title: </strong><br><em>Exploratory Data Analysis of RGB Brightness Values and Grey Areas in Smartphone Photographs for Identifying Adulteration and Pb(II) Contamination Scenarios in White Milk</em></p>
Assesment of Physical Activity Level of Patients With Multiple Sclerosis: From Laboratory to Real Life
ClinicalTrials.gov study NCT03928990. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Study of the Laboratory-based Evaluation of the Degrees of Activity of Osteoarthritis
ClinicalTrials.gov study NCT03164070. IPD Sharing: NO. Countries: 1. Publications: 0.
Exceptional origin activation revealed by comparative analysis in two laboratory yeast strains
GEO Series GSE166733. Saccharomyces cerevisiae. 8 samples. Type: Genome variation profiling by array.
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DANDI Archive for NWB datasets
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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.