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8,565 results for “characterization”
Geophysical data from: "A review of geophysical methods for soil structure characterization"
<p>The geophysical data presented herein was collected in the Soil Structure Observatory (see, Keller et. al. 2017) and were used to create Figures 4b, 5a, 5b, 9a and 9b for the manuscript entitled: "A review of geophysical methods for soil structure characterization" submitted to reviews of geophysics. The data set includes:<br> <br> GPR data collected from South to North in the bare soil of block C before and after compaction<br> GPR_800Mhz_BSbeforecompaction.DZW<br> GPR_800Mhz_BSbeforecompaction.DZT<br> GPR_800Mhz_BSaftercompaction.DZW<br> GPR_800Mhz_BSaftercompaction.DZT<br> <br> ERT data collected from South to North in the bare soil of block B before and after compaction<br> ERT_B2_14-03beforecompaction.bin<br> ERT_B2_14-04aftercompaction.bin<br> <br> Time-lapse ERT data collected in block A in September of 2017:<br> timelapseERT2017.zip<br> The date and time in the files names indicate the time in which the resistivimeter started collecting data plus two hours.<br> e.g. for 2017-09-11-18-01-41.bin, the first data point was collected at 14:01 on the 11th of September of 2017.<br> The first 464 data points correspond to bare soil collected from North to South<br> The following 464 data points correspond to grassy soil from South to North<br> <br> Meteorological data from 2017<br> meteodata_Reckenholz2017.xls<br> <br> Time domain reflectometry data from September of 2017 for block A (10, 20, 40 and 70cm depth). Two land covers (bare soil and grassy soil) and two compaction treatments (full compacted and non compacted) are included.<br> TDR_A1_Sept2017.xlsx</p> <p> </p> <p>Keller, T., Colombi, T., Ruiz, S., Manalili, M. P., Rek, J., Stadelmann, V., ... & Schymanski, S. (2017). Long-Term Soil Structure Observatory for Monitoring Post-Compaction Evolution of Soil Structure. <em>Vadose Zone Journal</em>, <em>16</em>(4).</p>
Characterization of a sorter1 hologram
<p>This dataset contains a series of TEM images characterizing a fan-out version of the first element of an OAM sorter.</p>
RZooRoH: an R package to characterize individual genomic autozygosity and identify homozygous-by-descent segments
<p>these are two files used to test the RZooRoH package in the manuscript:<br> RZooRoH: an R package to characterize genomic autozygosity and identify homozygous-by-descent segments<br> A.R. Bertrand, N.K. Kadri, L. Flori, M. Gautier and T. Druet</p> <p>Each row represents a SNP. The files contain first 5 information columns followed by the genotyes (1 row per individual):<br> 1 Chromosome number<br> 2 Marker name<br> 3 Position in bp<br> 4 Allele 1<br> 5 Allele 2</p> <p>Genotypes are coded as 0, 1 and 2 for AA, AB and BB and 9 for missing.</p> <p>The file geno_sim15_5col.txt contains the simulated genotypes: 25000 markers and 500 individuals.<br> The file filtered_soay_5col.txt contains the sheep genotype data: 47365 markers and 110 individuals.</p> <p>The origin of the files is described in the paper.<br> The simulated data set is from Druet and Gautier (2017) whereas the sheep data comes from Kijas et al. (2012).</p>
Dataset for Detailed Li-ion Battery Characterization Model for Economic Operation
<p>Dataset accompanying the research paper "Detailed Li-ion Battery Characterization Model for Economic Operation"</p>
Proteomic characterization of intra-tumor heterogeneity in human endometrial cancer.
<p>Endometrial cancer (EC) is one of the most frequently diagnosed gynecological cancers worldwide, and its prevalence has increased by more than 50% over the last two decades. Despite the understanding of the major signaling pathways driving the growth and metastasis of EC cells, clinical trials targeting these signaling pathways in human patients have reported poor outcomes. Heterogeneous nature of EC is suspected to be one of the key reasons for the failure of targeted therapies. However, no study so far has explored EC heterogeneity within the same patient at the proteomic level. In this study, we isolated proteins from tumor tissue samples obtained from different sites of EC from individual patients (~2-4 samples/patient). We then performed a SWATH-based comparative proteomic analysis, using liquid chromatography-tandem mass spectrometry (LC-MS/MS), to profile the protein content of different areas within EC tissue. Our results highlighted an average of 1424 unique proteins in 20 patient-derived EC tissues with a confidence corresponding to a false discovery rate below 1%. We have identified protein biomarkers that differentiate between premenopausal vs postmenopausal cancer, macroscopic vs microscopic tumor, more vs less invasive cancer, and DNA mismatch repair defective vs intact tumor. Furthermore, the data revealed a list of unique proteins that, for the same patient, exist only in a single EC location but are not present in other locations within the same tumor. Overall, our proteomic analysis highlighted that tumor tissue samples collected from different sites of EC within the same patient can harbor diverse protein profiles. Importantly, this study sets the foundation for further investigations into the mechanisms of endometrial heterogeneity and some of the proteins identified here may represent potential novel EC drug targets.</p>
Characterization of mortar-timber and timber-timber cyclic friction in timber floor connections of masonry buildings (dataset)
<p>The seismic performance of buildings depends critically on the stiffness and strength of<br> storey diaphragms. Whilst for modern reinforced concrete or steel structures the<br> connection between floors and lateral resisting members is often assumed as<br> monolithic, timber floors and ceilings in masonry buildings are susceptible to sliding in<br> their supports. In fact, the anchorage of timber beams in masonry walls and<br> intermediate supports relies partly or totally on a frictional type of resisting mechanism.<br> The present work contributes to characterize this behaviour by presenting the results of<br> an extensive experimental programme with cyclic friction triplet tests between mortar<br> and timber units, and between timber and timber units. These were produced to be<br> representative of connection typologies characteristic of pre-modern and contemporary<br> construction periods. Each test was performed under a constant level of contact<br> pressure, which was increased throughout each series to cover a range of normal<br> forces foreseeable in building connections. Other aspects are also discussed, such as<br> the influence of cumulative loading or velocity. The experimental dataset is herein made<br> available for public use.</p>
Data archive for Towards understanding potential atmospheric contributions to abrupt climate changes: characterizing changes to the North Atlantic eddy-driven jet over the last deglaciation
<p>This archive contains simulated North Atlantic eddy-driven jet latitude and tilt data generated using the PlaSim model to accompany Andres and Tarasov (Climate of the Past, accepted), DOI: https://doi.org/10.5194/cp-15-1-2019.</p> <p>Paper abstract is as follows:</p> <p>"Abrupt climate shifts of large amplitudes were common features of the Earth’s climate as it transitioned into and out of the last full glacial state approximately 20 000<br> years ago, but their causes are not yet established. Midlatitude atmospheric dynamics may have played an important role in these climate variations through their effects on heat and precipitation distributions, sea ice extent, and wind-driven ocean circulation patterns. This study characterizes deglacial winter wind changes over the North Atlantic (NAtl) in a suite of transient deglacial simulations using the PlaSim Earth system model (run at T42 resolution) and the TraCE-<br> 21ka (T31) simulation. Though driven with yearly updates in surface elevation, we detect multiple instances of NAtl jet transitions in the PlaSim simulations that occur within 10<br> simulation years and a sensitivity of the jet to background climate conditions. Thus, we suggest that changes to the NAtl jet may play an important role in abrupt glacial climate changes.</p> <p>We identify two types of simulated wind changes over the last deglaciation. Firstly, the latitude of the NAtl eddy-driven jet shifts northward over the deglaciation in a sequence of distinct steps. Secondly, the variability in the NAtl jet gradually shifts from a Last Glacial Maximum (LGM) state with a strongly preferred jet latitude and a restricted latitudinal range to one with no single preferred latitude and a range that is at least 11 ◦ broader. These changes can significantly affect ocean circulation. Changes to the position of the NAtl jet alter the location of the wind forcing driving oceanic surface gyres and the limits of sea ice extent, whereas a shift to a more variable jet reduces the effectiveness of the wind forcing at driving surface ocean transports.</p> <p>The processes controlling these two types of changes differ on the upstream and downstream ends of the NAtl eddy-driven jet. On the upstream side over eastern North America, the elevated ice sheet margin acts as a barrier to the winds in both the PlaSim simulations and the TraCE-21ka experiment. This constrains both the position and the latitudinal variability in the jet at LGM, so the jet shifts in sync with ice sheet margin changes. In contrast, the downstream side over the eastern NAtl is more sensitive to the thermal state of the background climate. Our results suggest that the presence of an elevated ice sheet margin in the south-eastern sector of the North American ice complex strongly constrains the deglacial position of the jet over eastern North America and the western North Atlantic as well as its variability."</p> <p> </p>
Development of a Standard Test Method for Characterization of Asphalt Modifiers and Aging-Related Degradation Using an Extensional Rheometer
<p>Corresponding data set for Tran-SET Project No. 17BLSU01. Abstract of the final report is stated below for reference:</p> <p>"An extensional deformation test method using a Sentmanat Extensional Rheometer (SER) fixture inside a Dynamic Shear Rheometer (DSR) is developed in this study to investigate the degradation of the polymer due to aging and to investigate the effect of modifier type. A relationship between different percentages of modifier and ductility of the modified binder is also investigated. The sample geometrics used in this study are 1 mm 0.72 mm and 3 mm 0.72 mm. A total of one hundred and sixty-two samples were tested. Three modifiers Styrene-Butadiene-Styrene (SBS), Polyphosphoric Acid (PPA) and latex were used. One PG 76-22, one PG 64-22 and one polymer-modified asphalt emulsion (PAME) were used. First peak elongation force, (F1) is the binders’ stiffness and Second peak elongation force, (F2) is the polymer characteristics. F2 is more visible comparatively at the higher temperature. In most cases, F2 reduces after Rolling Thin Film Oven (RTFO) and Pressure Aging Vessel (PAV) aging. To normalize the stiffness effect of F1 on F2, in this study F2/F1 was used to analyze aging susceptibility of modifiers. All the testing temperatures used in this study exhibited a reduction in F2/F1 due to RTFO aging and further reduction due to PAV aging. Therefore, through this study, it is recommended that this parameter can be used to determine aging susceptibility of polymer in a polymer-modified asphalt binder. F2 is only obtained from the SBS and latex modified binders and emulsions. Addition of PPA did not show any F2, making SBS the most effective modifier among SBS, PPA and latex. F2 has a linear correlation with the percent of the polymer in the PMAE, SBS modified PG 64-22, SBS and PPA modified PG 64-22 and latex modified PG 64-22 with R2 values equal to 0.9934, 0.9323, 0.9893 and 0.9535 respectively, indicating extensional deformation test with SER very promising. Ductility analyses using final angular strain values indicate that modifiers increase ductility significantly while aging reduces ductility. Additional research is required for testing ultra-violet (UV) aged sample, and a DSR-based SER test specification will be developed subsequently."</p>
Mapping and characterization of Martian intercrater bedrock plains supplementary files
<p>This dataset contains a shapefile of mapped intercrater bedrock plains exposures, processed THEMIS multispectral imagery (atmospherically-corrected data, DCS imagery, and emissivity spectra), and CRISM stamplists used for VNIR parameter mapping.</p>
Know thy star, know thy planet: Chemo-kinematically characterizing TESS targets
<p>Catalog used for studying the chemo-kinematics of TESS host stars containing 2,218,434 rows and 72 columns. </p>
Figure 1 in Molecular characterization and phylogenetic assessment of agricultural-related noctuids (Lepidoptera: Noctuidae) of South America
Figure 1 Collection sites in Argentina and Brazil, with provinces or states boundaries.
Figure 1 in Cytogenetic characterization of Devario aequipinnatus (McClelland, 1839) and Devario yuensis (Arunkumar and Tombi, 1998) (Cypriniformes: Cyprinidae) from Manipur, northeast India
Figure 1. (a) Devario yuensis; (b) Devario aequipinnatus.
Fig. 2. Invaginated protoscoleces isolated from a in Cystic echinococcosis in wild boars (Sus scrofa) from southern Italy: Epidemiological survey and molecular characterization
Fig. 2. Invaginated protoscoleces isolated from a fertile hydatid cyst.
Fig. 1 in Cystic echinococcosis in wild boars (Sus scrofa) from southern Italy: Epidemiological survey and molecular characterization
Fig. 1. Liver with massive CE infection by Echinococcus granulosus sensu stricto.
A three-parameter characterization of neutron stars' mass-radius relation and equation of state
<p>A dataset for the paper <a href="https://arxiv.org/abs/2404.17647" target="_blank" rel="noopener">A three-parameter characterization of neutron stars' mass-radius relation and equation of state</a></p> <p>See<strong><em> Readme</em></strong> file for details.</p> <p>We aslo provide the <a href="https://github.com/pshternin/unicorrns" target="_blank" rel="noopener">unicorrns</a> python package wich allows to employ the results of our paper in a convenient way.</p> <p>The fitting subroutibe for NS mass and radius data analysis used in the paper is available at <a href="https://github.com/pshternin/nsmr2eos" target="_blank" rel="noopener">https://github.com/pshternin/nsmr2eos</a></p>
Figure 5 in Structural and biological characterization of two freshwater mussel shells (Bivalvia: Unionidae)
Figure 5. SEM image of the nacreous layer of the shells of (A) P. semirugata and (B) L. wheatleyi.
Figure 6 in Structural and biological characterization of two freshwater mussel shells (Bivalvia: Unionidae)
Figure 6. The growth front of the nacre of (A) P. semirugata and (B) L. wheatleyi.
Figure 2 in Structural and biological characterization of two freshwater mussel shells (Bivalvia: Unionidae)
Figure 2. (A) Potomida semirugata and (B) Leguminaia wheatleyi.
Figure 1 in Structural and biological characterization of two freshwater mussel shells (Bivalvia: Unionidae)
Figure 1. Study area.
Fig. 1 in Whale lice (Isocyamus deltobranchium & Isocyamus delphinii; Cyamidae) prevalence in odontocetes off the German and Dutch coasts - morphological and molecular characterization and health implications
Fig. 1. Map of German and Dutch coast with sampling locations of harbour porpoises and pilot whale.
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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.