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1,938 results for “Resonances”
Magnetic resonance imaging reveals human brown adipose tissue is rapidly activated in response to cold
<p class="MsoNoSpacing"><b>Context.</b> In rodents, cold exposure induces the activation of brown adipose tissue (BAT) and the induction of intracellular triacylglycerol (TAG) lipolysis. However, in humans, the kinetics of supraclavicular (SCV) BAT activation and the potential importance of TAG stores remain poorly defined.</p> <p class="MsoNoSpacing"><b>Objective.</b> To determine the time course of BAT activation and changes in intracellular TAG using magnetic resonance imaging (MRI) assessment of the SCV (i.e. BAT depot) and fat in the posterior neck region (i.e. non BAT).</p> <p class="MsoNoSpacing"><b>Design.</b> Cross-sectional.</p> <p class="MsoNoSpacing"><b>Setting.</b> Clinical research centre.</p> <p class="MsoNoSpacing"><b>Patients or Other Participants.</b> Twelve healthy male volunteers ages 18-29 years [BMI=24.7±2.8kg/m<sup>2</sup> and body fat percentage = 25.0±7.4% (both mean±SD)].</p> <p class="MsoNoSpacing"><b>Intervention(s).</b> Standardized whole-body cold exposure (180 minutes at 18<span>°</span>C) and immediate re-warming (30 minutes at 32°C).</p> <p class="MsoNoSpacing"><b>Main Outcome Measure(s).</b> Proton density fat fraction (PDFF) and T2* of the SCV and posterior neck fat pads. Acquisitions occurred at 5-15 minute intervals during cooling and subsequent warming.</p> <p class="MsoNoSpacing"><b>Results.</b> SCV PDFF declined significantly after only 10 minutes of cold exposure [-1.6% (standard error (SE) 0.44%), <i>p</i>=0.007) and continued to decline until 35 minutes after which time it remained stable until 180 minutes. A similar time course was also observed for SCV T2*. In the posterior neck fat (non-BAT) there were no cold-induced changes in PDFF or T2*. Re-warming did not result in a change in SCV PDFF or T2*.</p> <p class="MsoNoSpacing"><b>Conclusions.</b> The rapid cold-induced decline in SCV PDFF suggests that in humans, BAT is activated quickly in response to cold and that TAG is a primary substrate.</p>
Parametric Resonance in Spherical Immersed Elastic Shells - Supplementary Material
<p>Supplementary material for "Parametric Resonance in Spherical Immersed Elastic Shells" published in SIAM Journal on Applied Mathematics. </p> <p>We provide data files for a benchmark fluid-structure interaction problem of a spherical elastic shell immersed in a viscous incompressible fluid.</p>
Dataset for paper "All-Optical Generation and Time-Resolved Polarimetry of Magnetoacoustic Resonances via Transient Grating Spectroscopy" by Carrara P. et al.
<p>This dataset complements the publication "All-Optical Generation and Time-Resolved Polarimetry of Magnetoacoustic Resonances via Transient Grating Spectroscopy" by Carrara P. et al.</p><p>The data hierarchy is explained in the file "Readme.docx", which also reports relevant metadata.</p>
Fig. 4 in Nuclear Magnetic Resonance Microscopy of The Internal Structure of the Carrion Rolling Scarab Canthon cyanellus cyanellus (Scarabaeidae: Scarabaeinae)
Fig. 4. Two-dimensional surface reconstruction of gradient echo images of Canthon cyanellus cyanellus adult males. a) Young male; b) mature unmated male; c) mature mated: (1) gut; (2) pygidial glands; (3) phallobase; (4) parameres; (5) genital chamber.
Fig. 2 in Nuclear Magnetic Resonance Microscopy of The Internal Structure of the Carrion Rolling Scarab Canthon cyanellus cyanellus (Scarabaeidae: Scarabaeinae)
Fig. 2. Two-dimensional slices of a mature female imaged with NMR microscopy. The sequence (a–f) goes from ventral region to dorsum; median longitudinal slices (d) of the specimens analyzed are presented in this paper: (1) gut; (2) pygidial glands; (3) egg.
Fig. 1. A in Nuclear Magnetic Resonance Microscopy of The Internal Structure of the Carrion Rolling Scarab Canthon cyanellus cyanellus (Scarabaeidae: Scarabaeinae)
Fig. 1. A) Canthon cyanellus cyanellus, a carrion rolling beetle; B) schematic diagram of beetle orientation in relation to the static magnetic field.
Fig. 3 in Nuclear Magnetic Resonance Microscopy of The Internal Structure of the Carrion Rolling Scarab Canthon cyanellus cyanellus (Scarabaeidae: Scarabaeinae)
Fig. 3. Two-dimensional surface reconstruction of gradient echo images of Canthon cyanellus cyanellus adult females. a) Immature female; b) mature female mated 24 h before the NMR experiment; c) mature female mated some days before; d) female with an egg ready to be deposed in the brood ball; e) old female; f) female that had died recently: (1) gut; (2) pygidial glands; (3) ovum; (4) spermatophore; (5) egg.
Tuning spinaron and Kondo resonances via quantum confinement
<p>This repository contains raw data files for STM topography and tunneling spectra on Co and H2Pc in quantum corrals on Ag(111). Analysis scripts used to extract Fano resonance parameters can be found at https://github.com/abekipnis/Kondo-Aalto.</p><p>Abstract of the paper: Controlling zero bias anomalies in magnetic atoms provides a promising strategy to engineer tunable quantum many-body excitations. Here we show how two different quantum impurities featuring spinaron and Kondo excitations can be controlled via quantum confinement engineering by using circular quantum corrals on a Ag(111) surface. In corrals built from both Ag and Co adatoms, the width of the zero bias anomaly in the central Co adatom oscillates as a function of corral radius with a period of half of the Ag(111) surface state wavelength. Parameters extracted for Co/Ag(111) show only small differences in extracted spinaron zero-bias anomaly between corral walls built from Ag or Co adatoms. In quantum corrals occupied with metal-free phthalocyanine, a paradigmatic S=1/2 Kondo system, we observe notable changes in the zero bias anomaly lineshape as a function of corral radius. Our results offer insight into many-body Kondo and spinaron resonances where the electronic density is controlled by confinement engineering.</p>
Data for "Annealing Reduces Si3N4 Microwave-Frequency Dielectric Loss in Superconducting Resonators"
<p>This directory contains the datasets and code for processing and generating the figures in the research article "Annealing Reduces Si3N4 Microwave-Frequency Dielectric Loss in Superconducting Resonators."</p> <p>This work was supported by funding from ARO Grant W911NF2310376, NSF Grant No. PHY-2317149, NSF QLCI Award OMA - 2016244, the Office of the Secretary of Defense via the Vannevar Bush Faculty Fellowship, award No. N00014-20-1-2833, and the Baur-SPIE Endowed Chair at JILA.</p>
Database of 'Resonant Electron Signatures in the Formation of Chorus Wave Subpackets'
Open the record for dataset details and reuse information.
Qi vs photon number Ta resonators
Open the record for dataset details and reuse information.
Data for "Anti-resonant acoustic waveguides enabled tailorable Brillouin scattering on chip"
<p>The files contain the data and codes for the paper "Anti-resonant acoustic waveguides enabled tailorable Brillouin scattering on chip".</p>
Dataset of synthetic, maturation-informed magnetic resonance images of the human fetal brain
<p>This dataset gathers synthetic-yet-highly-realistic T2-weighted magnetic resonance images (MRI) of the fetal brain based on the latest development of our prototype Fetal Brain magnetic resonance Acquisition Numerical phantom that now simulates local heterogeneities within white matter tissues throughout maturation (FaBiAN v2.0).<br>This dataset is associated with the following paper:</p> <p><strong>- Lajous H. et al. (2024) A dataset of synthetic, maturation-informed magnetic resonance images of the human fetal brain.</strong> Submitted to Nature Scientific Data, Pre-print available https://doi.org/10.1101/2024.04.08.588566</p> <p>We propose this unique, extensive fetal MRI dataset of simulated standard clinical fast spin echo sequences in both healthy and pathological neurodevelopmental trajectories to address data scarcity in this sensitive population, and therefore support the continuous endeavor of the community to develop advanced post-processing methods as well as cutting-edge artificial intelligence models. Automated brain tissue annotations of the two-dimensional, low-resolution series as well as super-resolution (SR) reconstructions of the fetal brain volumes are also included.</p> <p><strong>Work using any of these data should cite the following references:</strong></p> <ul> <li>Lajous, H. et al. A dataset of synthetic, maturation-informed magnetic resonance images of the human fetal brain. Submitted to Nature Scientific Data (2024), https://doi.org/10.1101/2024.04.08.588566</li> <li>Lajous, H. et al. Dataset of synthetic, maturation-informed magnetic resonance images of the human fetal brain. Zenodo (2024). 10.5281/zenodo.10940427</li> <li>Lajous, H., le Boeuf Fló, A., Esteban, O. & Bach Cuadra, M. Medical-Image-Analysis-Laboratory/FaBiAN: FaBiAN v2.0 (2.0). Zenodo (2023), 10.5281/zenodo.5471094</li> </ul> <p>This work was supported by the Swiss National Science Foundation through grant 182602, and by the ProTechno Foundation. We acknowledge access to the facilities and expertise of the CIBM Center for Biomedical Imaging, a Swiss research center of excellence founded and supported by Lausanne University Hospital (CHUV), University of Lausanne (UNIL), Ecole Polytechnique Fédérale de Lausanne (EPFL), University of Geneva (UNIGE) and Geneva University Hospitals (HUG).</p> <p>Medical Image Analysis Laboratory - Department of Radiology, Lausanne University Hospital (CHUV) and University of Lausanne (UNIL), Lausanne, Switzerland & CIBM Center for Biomedical Imaging. 2024.</p> <p>Note: <em>Terms of use for the original cohort (</em>Fidon, L., Aertsen, M., Emam, D., et al. Label-set Loss Functions for Partial Supervision: Application to Fetal Brain 3D MRI Parcellation. MICCAI, 2021<em>) are for research and education purposes only.</em></p>
Survey data of a first feasibility study to foster urban residents' resonances with nature through rituals
<p>In this dataset, we provide raw and processed data, study material and documentation of our feasibility study aiming to foster urban residents’ resonances with nature through rituals in a five-week-long panel study. The case study was conducted in Dresden from August 30 till October 8 2023.</p> <p>In order to facilitate the realization of the study design by other institutions or private actors, the dataset includes first a postcard in pptx-format to promote the study and from which further promotion material can be created. We provide the audio manuals that were used for the implementation of the rituals for both the ritual and control group. Furthermore, we offer an evaluation framework for assessing socio-demographic data, changes throughout the different resonance dimensions (openness, value of <em>Unverfügbarkeit</em>, affect, response, transformation), effects on related aspects such as health or sense of social connectedness, the ecological footprint and possible open questions to assess and evaluate the feasibility study. To round it off, we provide raw survey data as well as preprocessed and analyzed data including results and data records of the intermediate steps of the analyzation conducted with IBM SPSS 28.</p> <h2>List of data, material and content (*.zip):</h2> <ul> <li>Promoting postcard (*.pptx) (artwork: IOER media)</li> <li>Audio manual for ritual group (*.pdf)</li> <li>Audio manual for control group (*.pdf)</li> <li>Subsequent record of the introductory meeting (*.mp4)</li> <li>Survey results for the final sample (*.xlsx)</li> <li>Upload of qualitative data by participant (*.jpg)</li> <li>Results of the statistical analyses (U-tests) to detect group-specific differences (e. g. level of openness, nature relatedness, mindful self-compassion) for the index variables; the tests were conducted with IBM SPSS Statistics 28 (*.xls)</li> <li>Results of the statistical analyses (U-tests) to detect group-specific differences regarding the ecological carbon footprint; the tests were conducted with IBM SPSS Statistics 28 (*.xls)</li> </ul> <p>For the revised version, we added: </p> <ul> <li>Informed consent declaration to participate and publish (*.pdf)</li> </ul> <p> </p> <p>Note: All documents are accessible with open source software.</p> <h2>Data acquisition and processing</h2> <p>The methods are described in the accompanying research paper: https://link.springer.com/article/10.1007/s43621-025-01399-z.</p> <p> </p> <h2>Acknowledgments</h2> <p>The authors thank their student assistant Amanda Sydow for the support in editing the survey data as well as all participants for their intensive involvement in the feasibility study.</p> <p><strong> </strong></p> <h2>Notes</h2> <p>This dataset belongs to the following research paper: https://link.springer.com/article/10.1007/s43621-025-01399-z.</p> <p> </p>
Fano interference in quantum resonances from angle-resolved elastic scattering
<p>This is source data for the figures in the publication "Fano interference in quantum resonances from angle-resolved elastic scattering".</p>
Dataset for article "Measurement report: Molecular characteristics of cloud water in southern China and insights into aqueous-phase processes from Fourier Transform Ion Cyclotron Resonance Mass Spectrometry"
<p>This dataset is the result of molecular composition of cloud water collected in southern China obtained by ESI FT-ICR MS. This dataset is for the article "Measurement report: Molecular characteristics of cloud water in southern China and insights into aqueous-phase processes from Fourier Transform Ion Cyclotron Resonance Mass Spectrometry" published in Atmospheric Chemistry and Physics by Sun et al. (2021).</p>
Data Used for Article "Imaging and spectroscopyof domains of the cellular membrane by photothermal-induced resonance"
<p>PTIR data collected from buccal cells.</p> <p>Used in article by L. Quaroni "Imaging and spectroscopy of domains of the cellular membrane by photothermal-induced resonance"</p> <p><em><strong>Analyst</strong></em>, 2020,<strong>145</strong>, 5940-5950 ; doi.org/10.1039/D0AN00696C</p>
EPR dataset : Superlattice Induced by Charge Order in the Organic Spin Chain (TMTTF)2X (X = SbF6, AsF6, and PF6) Revealed by High-Field Electron Paramagnetic Resonance
<p>Dataset for the reference</p> <p>10.1021/acs.jpclett.8b02070</p>
Spinal changes after 5-day dry immersion as shown by magnetic resonance imaging (DI-5-CUFFS)
<p>Supplemental data</p>
First Detection of the Pekeris Internal Global Atmospheric Resonance: Evidence from the 2022 Tonga Eruption and from Global Reanalysis Data
<p>The numerical model simulation data necessary to reproduce figures in our paper submitted to the Journal of the Atmospheric Sciences.</p>
ScienceDex guides
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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.