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17 results for “Spectroscopic Analysis”
Supplementary Material for "A comparative high-resolution spectroscopic analysis of in situ and accreted globular clusters"
<p>This is a file containing supplementary material for the paper <em>A comparative high-resolution spectroscopic analysis of in situ and accreted globular clusters.</em> For each star in target globular clusters, it lists crucial information on the linelist analyzed. In particular:</p> <ol> <li>Star ID.</li> <li>Chemical element.</li> <li>Wavelength.</li> <li>log <em>gf</em></li> <li>Excitation potential.</li> <li>Measured equivalent width with uncertaintiy.</li> </ol>
spectrapepper: A Python toolbox for advanced analysis of spectroscopic data for materials and devices.
<p>spectrapepper is a Python package that makes advanced analysis of spectroscopic data easy and accessible through straightforward, simple, and intuitive code. This library contains functions for every stage of spectroscopic methodologies, including data acquisition, pre-processing, processing, and analysis. In particular, advanced and high statistic methods are intended to facilitate, namely combinatorial analysis and machine learning, allowing also fast and automated traditional methods. The following is a short list of some main procedures that spectrapepper package enables: i) Baseline removal functions, ii) Normalization methods, iii) Noise filters, trimming tools, and despiking methods, iv) Chemometric algorithms to find peaks, fit curves, and deconvolution of spectra, v) Combinatorial analysis tools, such as Spearman, Pearson, and n-dimensional correlation coefficients, vi) Tools for Machine Learning applications, such as data merging, randomization, and decision boundaries, and vii) Sample data and examples</p>
Supplementary online material for KIC 4150611: A quadruply eclipsing heptuple star system with a g-mode period-spacing pattern. Eclipse modelling of the triple and spectroscopic analysis
<p>Additional figures and data supplementary to the published (or soon-to-be-published) paper KIC 4150611: A quadruply eclipsing heptuple star system with a g-mode period-spacing pattern Eclipse modelling of the triple and spectroscopic analysis.</p> <p> </p>
Speciation and Structures in Pt Surface Sites Stabilized by N-Heterocyclic Carbene Ligands Revealed by DNP Enhanced Indirect-ly Detected 195Pt NMR Spectroscopic Signatures and Fingerprint Analysis
<p>Raw NMR data for the paper published under DOI: 10.1021/jacs.2c08300</p>
Supporting dataset with respect to Raman spectroscopic analysis of Palaeogene charcoals from Malcolm's Point, Isle of Mull, Scotland.
<p>Raman spectroscopic data (raw and processed) for Palaeogene charcoal samples A1, A2, B, and A1 thin section (A1-TS), including application of FWHMRa geothermometry as per <strong>Theurer et al. (2022)</strong>. Spectral data collected and processed in <em>Renishaw</em> WiRE 3.4 software. Those data presented in sheet 'HDHG Method 3' refer to spectral data processed in MATLAB, implementing 'peak-fit' and secondary deconvolution codes, as per <strong>O'Haver (2015, 2022)</strong> and <strong>Schito et al. (2020, 2022)</strong>, respectively.</p> <p><strong>O'Haver, T. (2015)</strong>. A Pragmatic Introduction to Signal Processing [Online]. Retrieved from https://terpconnect.umd.edu/~toh/spectrum/CurveFittingC.html</p> <p><strong>O'Haver, T. (2022)</strong>. peakfit.m [Code]. <em>MATLAB Central File Exchange</em>. Retrieved from https://www.mathworks.com/matlabcentral/fileexchange/23611-peakfit-m</p> <p><strong>Schito, A. & Corrado, S. (2020)</strong>. An automatic approach for characterization of the thermal maturity of dispersed organic matter Raman spectra at low diagenetic stages. <em>Journal of the Geological Society of London - Special Publications</em>. 484, 107–119. doi: 10.1144/SP484.5</p> <p><strong>Schito, A., Pensa, A., Corrado, S., Vona, A., Trolese, M., Morgavi, D., <em>et al. </em>(2022)</strong>. Calibrating carbonization temperatures of wood fragments embedded within pyroclastic density currents through Raman spectroscopy. <em>Minerals</em>, 12, 203. doi: 10.3390/min12020203</p> <p><strong>Theurer, T., Naszarkowski, N., Muirhead, D. K., Jolley, D. & Mauquoy, D. (2022)</strong>. Assessing modern Calluna heathland fire temperatures using Raman spectroscopy: Implications for past regimes and geothermometry. <em>Frontiers in Earth Science</em>, 10, 827933. doi: 10.3389/feart.2022.827933</p>
A Photometric, Spectroscopic, and Apsidal Motion Analysis of the F-type Eclipsing Binary BW Aquarii from K2 Campaign 3
<p>MESA inlists associated with <a href="https://ui.adsabs.harvard.edu/#abs/2018AJ....156....8L/abstract">Lester & Gies (2018)</a>. MESA version 10108.</p> <p>Publication DOI: <a href="https://doi.org/10.3847/1538-3881/aac2ea">10.3847/1538-3881/aac2ea</a> </p>
Circular dichroism spectroscopic and small-angle neutron scattering analysis of alpha-synuclein and bacteriorhodopsin in bicontinuous microemulsions
<p>The membrane proteins (MPs) alpha-synuclein (ASYN) and bacteriorhodopsin (BR) were readily incorporated into bicontinuous microemulsions (BMEs) formed by two microemulsion systems: water/heptane/Aerosol-OT (AOT)/CK-2,13 and water/dodecane/sodium dodecyl sulfate (SDS)/1-pentanol. (CK-2,13 is an alkyl ethoxylate possessing two alkyl tail groups of carbon chain length 2 and 13 and an average degree of ethoxylation of 5.6.) MPs were encapsulated in BMEs through preparation of Winsor-III systems at optimal salinity, with the anionic surfactants AOT and SDS providing the driving force for extraction. Dissolution of ASYN in BMEs greatly increased the former's alpha-helicity, similar to ASYN's behavior in the presence of biomembranes, while BME- and vesicle-encapsulated BR possessed similar secondary structure. Small-angle neutron scattering (SANS) results clearly demonstrated the direct interaction of MPs with the surfactants, resulting in a decrease of surface area per volume for surfactant monolayers due to decreased<span> surfactant efficiency. The SANS signal for ASYN was isolated through the use of neutron contrast matching for the surfactants through partial deuteration of water and oil</span><span><span>, one of the first reports</span></span><span> of contrast matching </span><span><span>for</span></span><span> BMEs in the literature. The SANS results of the contrast matched sample reflected similar aggregation for ASYN in BMEs as was reported previously for vesicles and SDS solution. </span><span><span>This study</span></span><span> demonstrate</span><span><span>s</span></span><span> the potential use of BMEs as MP host systems for conducting biochemical reactions such as the conversion of sunlight into adenosine triphosphate (ATP) by BR and studyi</span>ng fundamental behavior of MPs, such as the role of ASYN dysfunction in Parkinson's disease, as well as for isolation and purification of MPs via Winsor-III -based extraction.</p>
Nuclear Magnetic Resonance Spectroscopic Analysis of Urinary Metabolome in Sarcoidosis (RMN-SARCURINES)
ClinicalTrials.gov study NCT05181930. IPD Sharing: Not stated. Countries: 1. Publications: 1.
Spectroscopic and Diffusion Weighted Analysis of the Effects of Dexamethasone on High Altitude Cerebral Oedema (HACE)
ClinicalTrials.gov study NCT03341676. IPD Sharing: NO. Countries: 1. Publications: 1.
Circular dichroism spectroscopic and small-angle neutron scattering analysis of alpha-synuclein and bacteriorhodopsin in bicontinuous microemulsions
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Spectroscopic Analysis of Vibronic Relaxation Pathways in Molecular Spin Qubit [Ho(W5O18)2]9–: Sparse Spectra Are Key
<p>Vibrations play a prominent role in magnetic relaxation processes of molecular spin qubits as they couple to spin states, leading to the loss of quantum information. Direct experimental determination of vibronic coupling is crucial to understand and control the spin dynamics of these nano-objects, which represent the limit of miniaturization for quantum devices. Herein, we measure the magneto-infrared properties of the molecular spin qubit system Na<sub>9</sub>[Ho(W<sub>5</sub>O<sub>18</sub>)<sub>2</sub>]·35H<sub>2</sub>O. Our results place significant constraints on the pattern of crystal field levels and the vibrational excitations allowing us to unravel vibronic decoherence pathways in this system. We observe field-induced spectral changes near 63 and 370 cm<sup>–1</sup> that are modeled in terms of odd-symmetry vibrations mixed with <em>f</em>-manifold crystal field excitations. The overall extent of vibronic coupling in Na<sub>9</sub>[Ho(W<sub>5</sub>O<sub>18</sub>)<sub>2</sub>]·35H<sub>2</sub>O is limited by a modest coupling constant (on the order of 0.25) and a transparency window in the phonon density of states that acts to keep the intramolecular vibrations and <em>M</em><sub>J</sub> levels apart. These findings advance the understanding of vibronic coupling in a molecular magnet with atomic clock transitions and suggest strategies for designing molecular spin qubits with improved coherence lifetimes.</p>
Data from: Spectroscopic analysis of myoglobin and cytochrome c dynamics in isolated cardiomyocytes during hypoxia and reoxygenation
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Codes for "From megahertz to terahertz qubits encoded in molecular ions: theoretical analysis of dipole-forbidden spectroscopic transitions in N2+"
<p>In folder "CreateBasisSet" are functions for diagonalizing the molecular Hamiltonian. Use "create_vec_v3.m". Adjust the size of the basis set inside the code.</p> <p>A complied coefficient matrix that was used in the paper is given: "BasisSet_v4_B70G0p2G_v01_N024_I02_E2_M1aS_M1S_v7p3.mat". This matrix can be used to plot all graphs that appear in the paper. </p> <p>The plotting scripts are also given: "Plots... .m"</p> <p>The script "Table_magic_v4.m" is used to find "magic" transitions.</p>
Spectroscopic and Colorimetric Analysis of Acanthosis Nigricans in Patients With Hyperinsulinemia
ClinicalTrials.gov study NCT01125150. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Comparative Spectroscopic Analysis of Synovial Fluid From the Stable and Unstable Ankle
ClinicalTrials.gov study NCT06228378. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Spectroscopic Analysis of Tongue Tumor Samples.
ClinicalTrials.gov study NCT05104619. IPD Sharing: NO. Countries: 1. Publications: 0.
Raman Spectroscopic Analysis of Bronchoscopic Biopsy for Diagnosing Lung Cancer
ClinicalTrials.gov study NCT05799027. IPD Sharing: Not stated. Countries: 0. Publications: 0.
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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.