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12,871 results for “aging;”
Bonamour et al. Environmental age - Data and code
<p>Data and code associated with the research publication Bonamour et al. "Age-specific phenology and reproductive success senescence vary with environnemental age in a wild bird" in the journal The American Naturalist.</p>
Figure 2 in Age and growth of megrim Lepidorhombus whiffiagonis (Scophthalamidae) from eastern central Adriatic Sea
Figure 2. - Length-frequency distribution of Lepidorhombus whiffiagonis for males and females in the eastern central Adriatic Sea (n = 1 030).
Figure 1 in Age and growth of megrim Lepidorhombus whiffiagonis (Scophthalamidae) from eastern central Adriatic Sea
Figure 1. - Study area and sampling localities for Lepidorhombus whiffiagonis in the eastern central Adriatic. A: Kornati Archipelago. B: Murter Channel. C: South off Žirje. Arrows represent fishing directions.
Figure 4 in Age and growth of megrim Lepidorhombus whiffiagonis (Scophthalamidae) from eastern central Adriatic Sea
Figure 4. - Von Bertalanffy growth curve for combined sexes (n = 1030) of Lepidorhombus whiffiagonis in the eastern central Adriatic Sea.
Figure 3 in Age and growth of megrim Lepidorhombus whiffiagonis (Scophthalamidae) from eastern central Adriatic Sea
Figure 3. - Total length and weight range of Lepidorhombus whiffiagonis in the eastern central Adriatic Sea from January to December 2006. A: For 538 males. B: For 580 females.
Dataset and Data Dictionary for "Enhancing Consumer Satisfaction in Live Commerce: A Study of Middle-Aged Women's Cosmetics Purchases Using TAM, PVT, and SIT Models
<p>This dataset is part of a study investigating the underexplored factors driving middle-aged Chinese women’s purchasing behavior in live commerce, particularly in the context of their decision-making amidst the rapid expansion of e-commerce. The study employs a comprehensive theoretical framework based on the Technology Acceptance Model (TAM), Perceived Value Theory (PVT), and Social Influence Theory (SIT).</p> <p>Data were collected through a structured survey administered to 653 women aged 40 to 59. The dataset captures key variables including ease of use, pricing, consumer trust, platform interactivity, and purchase satisfaction. These variables are essential for understanding the complex relationships that influence purchasing decisions in live-stream shopping environments.</p> <p>The dataset has been analyzed using Structural Equation Modeling (SEM), revealing that factors such as ease of use, perceived value from competitive pricing, consumer trust, and real-time platform interactivity significantly enhance purchase satisfaction. Moreover, the results demonstrate that perceived value moderates these relationships, amplifying their effects under conditions of high perceived value.</p> <p>This dataset provides valuable insights into the psychological and social factors that shape e-commerce behavior, offering implications for optimizing platform design to promote consumer trust and long-term engagement.</p> <p>Keywords: Live commerce, Middle-aged women, Purchasing behavior, Technology Acceptance Model (TAM), Perceived Value Theory (PVT), Social Influence Theory (SIT), Structural Equation Modeling (SEM), Consumer trust, E-commerce.</p>
Tractography Templates for White Matter Microstructure Analysis in Aging and Alzheimer's Disease
<p>This dataset contains tractography templates derived from several studies focused on white matter microstructure and its associations with neurodegenerative diseases, particularly Alzheimer's disease and Parkinsonism. These templates span key tracts relevant to both cognitive decline and motor function, including but not limited to the medial temporal lobe white matter, transcallosal fibers, sensorimotor tracts, and the fornix. The templates were developed and validated using advanced diffusion MRI techniques across various populations, including aging individuals, dementia patients, and those at risk of neurodegenerative conditions. This resource serves as a valuable tool for researchers investigating the structural integrity of white matter in both health and disease, allowing for cross-study comparability and enhancing the understanding of neurodegenerative processes.</p>
Erosion Ageing of Polymeric Insulation Materials: Dielectric Barrier Discharges on Wet Surfaces under Repetitive Voltage Pulses - Dataset
<p>This data set is the basis for the following paper which will be presented at the VDE Hochspannungstechnik 2024 conference from November 11 to 13 in Berlin. The data set contains the following content:</p> <ul> <li>Microscopic images of surface erosion on aged PTFE, PVC & PA 6.6 test objects</li> <li>The experimental setup for the ageing of these polymers</li> <li>Profilometer measurements of the polymer surfaces at different ageing times</li> </ul> <p>For further details please read the text file within the attached archive.</p> <p> </p> <p> </p> <p> </p>
Metaproteomics reveals age-specific alterations of gut microbiome in hamsters with SARS-CoV-2 infection
<p><span>The gut microbiome's pivotal role in health and disease is well-established. SARS-CoV-2 infection often causes gastrointestinal symptoms and is associated with changes of the microbiome in both human and animal studies. While hamsters serve as important animal models for coronavirus research, there exists a notable void in functional characterization of their microbiomes with metaproteomics. In this study, we present a workflow for analyzing the hamster gut microbiome, including a metagenomics-derived hamster gut microbial protein database and a data-independent acquisition metaproteomics method. Using this workflow, we identified 32419 protein groups from the fecal microbiomes of young and old hamsters infected with SARS-CoV-2 . We showed age-specific changes in the expressions of microbiome functions and host proteins associated with microbiomes, providing further functional insight into the dysbiosis and aberrant cross-talks between the microbiome and host in SARS-CoV-2 infection. Altogether this study established and demonstrated the capability of metaproteomics for the study of hamster microbiomes.<span> </span></span></p>
Raw data for Investigation of Combined Aging and Mullins Stress Softening of Rubber Nanocomposites
<p><strong>Specification of affiliations:</strong></p> <ul> <li>Barbora Hanulikova - Centre of Polymer Systems</li> <li>Milan Masar - Centre of Polymer Systems</li> </ul> <p> </p> <p>Raw data for the research paper. Information on the data collection are described in the manuscript Investigation of Combined Aging and Mullins Stress Softening of Rubber Nanocomposites.</p>
Crater Catalogue for Age Determination of the Chang'e-6 Mare Unit and Key Ejecta Source Craters
<p><strong>This page archives data used in the following article:<br></strong></p> <p><strong>Xu, L., Qiao, L., Xie., M., Wang, Y., Zhu, M-H., & Yan, J. (2024). Chronology, Local Stratigraphy, and Foreign Ejecta Materials at the Chang'e-6 Landing Site: Constraints on the Provenance of Samples Returned from the Moon's Farside. <em>Geophysical Research Letters</em>, 51. DOI: <span>10.1029/2024GL111311</span></strong></p> <p> </p> <p><strong>They include the Crater Catalogue for Age Determination of the Chang'e-6 Mare Unit and Key Ejecta Source Craters:</strong></p> <p><strong>CE6_MareUnit.zip: ArcGIS shapefile for the CRATER and AREA of the mare unit;</strong></p> <p><strong>CE6_5kmCircle_NAC.zip: ArcGIS shapefile for the CRATER and AREA of a 5 km-sized circle across the Chang'e-6 landing site;</strong></p> <p><strong>ChaffeeS.zip, White.zip, Vavilov.zip, and White'.zip: ArcGIS shapefile for the CRATER and AREA of key ejecta source craters Chaffee S, White, Vavilov, and White', respectively.</strong></p>
Trace metals (Cd, Cu, Pb and Zn) concentrations in tissues of Pipistrellus kuhlii lepidus with identified age from unpolluted area - Karlovka village NE Ukraine
<div> <p>The dataset contains information on level of cadmium (Cd), copper (Cu), lead (Pd) and zinc (Zn) in internal and external tissues of <em>Pipistrellus kuhlii lepidus </em>from agricultural area (Karlovka village). Bats were taken for analysis from Ukrainian Bat Rehabilitation Centre (Kharkiv, Ukraine) in 2021-2022. In addition, age of each individual was identified using osteochronological technique. </p> <p> </p> </div>
A Data-Driven Epigenetic Characterization of Morning Fatigue Severity in Oncology Patients Receiving Chemotherapy: Associations with Epigenetic Age Acceleration, Blood Cell Types, and Expression-Associated Methylation
<p>This dataset contains supplementary materials including the eCpG mapping analysis results and annotation. The manuscript has been accepted for publication at Cancer Medicine. Please cite both the paper as well as the DOI of this dataset if you make use of the data.</p>
Detailed analytical results for archaeological textiles from the Uden–Slabroekse Heide elite burial (Early Iron Age, Netherlands)
<p>The dataset contains 3D volume of the mineralised textile, showing four superimposed layers. The textile layer was segmented on the basis of the fibre orientation used for the 3D rendering of the vanished colour pattern.</p>
A simplified palaeoceanography archiving system (PARIS) and GUI for storage and visualisation of marine sediment core proxy data vs age and depth.
<p>Scientific discovery can be aided when data is shared following the principles of findability, accessibility, interoperability, reusability (FAIR) data (Wilkinson et al., 2016). Recent discussions in the palaeoclimate literature have focussed on defining the ideal database format for storing data and associated metadata. Here, we highlight an often overlooked primary process in widespread adoption of FAIR data, namely the systematic creation of machine readable data at source (i.e. at the field and laboratory level). We detail a file naming and structuring method that was used at LSCE to store data in text file format in a way that is machine-readable, and also human-friendly to persons of all levels of computer proficiency, thus encouraging the adoption of a machine-readable ethos at the very start of a project. Thanks to the relative simplicity of downcore palaeoclimate data, we demonstrate the power of this simple but powerful file format to function as a basic database in itself: we provide a Matlab-based GUI tool that allows users to search and visualise data by sediment core location, proxy type and species type. The adoption of similarily accessible, machine-readable file formats at other laboratories will promote data sharing within projects, while also allowing for the automation of submission of data to online database repositories with particular formatting and/or metadata requirements, thus reducing post-hoc workload.</p>
Advanced Glycation End-products are Retained in Decellularized Muscle Matrix Derived from Aged Skeletal Muscle
<p>Advanced glycation end-products (AGEs) accrue on skeletal muscle collagen in old age, stiffening the matrix and increasing inflammation. Whether decellularized biomaterials derived from aged muscle would suffer from increased AGE cross-links is unknown. We hypothesized that DMM from old muscle would have increased collagen, collagen cross-linking, stiffness, and AGEs. We isolated, decellularized, and characterized gastrocnemii of 1-month, 2-month, and 20-month old C57BlJ6 mice to determine age-dependent changes to collagen in muscle and decellularized muscle matrix (DMM). Total hydroxyproline and soluble hydroxyproline after proteinase K digestion were measured to assay collagen levels and cross-linking, respectively. Muscle fiber and DMM stiffness was determined using atomic force microscopy (AFM). AGE ELISAs were used to test AGE levels, and the effect of AGE cross-link breaker ALT-711 on DMM was tested. We determined age-dependent increases in collagen amount, cross-linking, and general stiffness are retained on DMM. DMM from old muscle was stiffer compared to younger groups according to shifts in AFM modulus distribution. We measured an increase in AGE-specific cross-links with old age in whole muscle and observed that these changes are countered in DMM by AGE cross-link breaker ALT-711. Future study investigating and countering the biological effects of old age on DMM is warranted.</p>
Absolute model ages of three craters in the vicinity of the Chang'E-5 landing site and their geologic implications
<p>We used the Crater Size Frequency distribution (CSFD) method to yield the formation ages of Pythagora, Sharp B, and Harpalus crater, and the crater density values (N(1)). Here we provide the crater counting data.</p>
Figure 37 in Atlas of Myriapod Biogeography. I. Indigenous Ordinal and Supra-Ordinal Distributions in the Diplopoda: Perspectives on Taxon Origins and Ages, and a Hypothesis on the Origin and Early Evolution of the Class
Figure 37. Known (solid lines) and projected (dashed line) distributions of the Order Callipodida. The question mark denotes the record from Budapest, Hungary, whose origin is uncertain.
Figure 29 in Atlas of Myriapod Biogeography. I. Indigenous Ordinal and Supra-Ordinal Distributions in the Diplopoda: Perspectives on Taxon Origins and Ages, and a Hypothesis on the Origin and Early Evolution of the Class
Figure 29. Known (solid lines) and projected (dashed lines) distributions of the Order Spirostreptida s. l. (sensu Hoffman 1980a, Shelley 2003a), parameters as in Fig. 1. Asterisk, location of Protosilvestria sculpta, the Oligocene fossil from Quercy, France (Mauriès 1992).
Figure 49-50. Distributions. 49 in Atlas of Myriapod Biogeography. I. Indigenous Ordinal and Supra-Ordinal Distributions in the Diplopoda: Perspectives on Taxon Origins and Ages, and a Hypothesis on the Origin and Early Evolution of the Class
Figure 49-50. Distributions. 49) Distributions of Merocheta/Polydesmida in Europe, North Africa, the Middle East, and western Asia; the dotted line circumscribes an area lacking both records and samples. 50) Distributions of Merocheta/Polydesmida in Central Asia; the dotted line circumscribes an area lacking both records and samples.
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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.