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146 results for “steady-state”
Pharmacokinetic Study to Determine Time to Steady-state
ClinicalTrials.gov study NCT00911586. IPD Sharing: Not stated. Countries: 1. Publications: 1.
Long Term Clinical Investigation to Evaluate Clinical Performance, Safety and Patient Reported Outcomes of an Active Osseointegrated Steady-State Implant System
ClinicalTrials.gov study NCT04754477. IPD Sharing: NO. Countries: 2. Publications: 1.
Respirometry protocols for avian thermoregulation at high air temperatures: stepped and steady-state profiles yield similar results
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The Dynamic Assimilation Technique measures photosynthetic CO2 response curves with similar fidelity as steady-state approaches in half the time
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Data from: Experimental demonstration of the mechanism of steady-state microbunching
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Steady-state time series and code
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Estimates of surface layer net community production based on underway Lagrangian measurements of the dissolved O2/Ar ratio using Equilibrator Inlet Mass Spectrometry (EIMS), based on both steady-state and non-steady-state assumptions of the mixed-layer biological oxygen budget. Also included are estimates of the potential contribution of vertical fluxes: advection, eddy diffusion, and entrainment.
The ratio of dissolved oxygen to argon in surface seawater is frequently employed to estimate rates of net community production (NCP) in the oceanic mixed layer. The in situ O2/Ar-based method accounts for many physical factors that influence oxygen concentrations in the surface ocean, permitting isolation of the biological oxygen signal produced by the balance of photosynthesis and respiration. However, this technique traditionally relies upon several assumptions when calculating the mixed layer O2/Ar budget, most notably the absence of vertical fluxes of O2/Ar and the existence of a steady-state balance between net productivity and the air-sea gas exchange of biological oxygen. Employing a Lagrangian study design and leveraging data outputs from a regional physical oceanographic model, we conducted in situ measurements of O2/Ar in the California Current Ecosystem in spring 2016 and summer 2017 to evaluate these assumptions within a ‘worst-case’ field environment. Quantifying the magnitude of vertical fluxes and comparing NCP estimates obtained using steady-state versus non-steady-state assumptions, we find the importance of the non-steady-state term to be considerable, also observing significant potential effects from vertical flux terms, particularly advection. Additionally, we observe strong diel variability in O2/Ar and calculated NCP rates at multiple stations. Our results reemphasize the importance of accounting for vertical fluxes when interpreting O2/Ar-derived NCP data as well as the potentially large effect of non-steady-state conditions, including diel cycles in surface O2/Ar that can bias interpretation of NCP data based on local productivity and the time of day at which measurements were made.
Analyses for: The effect of external lateral stabilization on ankle moment control during steady-state walking
<p>Here you'll find the analyses for the short communication published as : "The effect of external lateral stabilization on ankle moment control during steady-state walking" (Journal of Biomechanics). Participants walked on a treadmill, with and without external lateral stabilization. Kinematics (thorax and feet) and ground reaction forces were measured. The analysis focuses on ankle moment control as a stability control mechanism during steady-state walking. The "Read me" file in the zipped folder will help you through its contents.</p>
Dataset and analyses for: Force-field perturbations and muscle vibration strengthen stability-related foot placement responses during steady-state gait in healthy adults
<p>We have collected kinematic data (heel and pelvis markers) from healthy adults during treadmill walking, whilst force-field perturbations and timed muscle vibrations were applied. We assessed the (after-)effects of these two interventions by evaluating foot placement control through outcome measures derived from a regression model which predicts foot placement based on the center-of-mass kinematic state. The data and analyses provided belong to the scientific publication: "Force-field perturbations and muscle vibration strengthen stability-related foot placement responses during steady-state gait in healthy adults". In the manuscript we place these analyses in the context of stability control and speculate on how these trainining interventions may improve stability control in patient populations.</p>
Steady-state visually evoked potentials reveal partial size constancy in early visual cortex
<p>Dataset related to the following publication:</p> <p>Chen, J., McManus, M., Valsecchi, M., Harris, L.R. & Gegenfurtner, K.R. (2019). Steady-state visually evoked potentials reveal partial size constancy in early visual cortex. <em>Journal of Vision</em>, 19(6), 8.</p> <p>Please refer to "data description.txt" for details about the data. </p>
Saccadic suppression measured by steady-state visual evoked potentials
<p>Dataset related to the following publication:</p> <p>Chen, J., Valsecchi, M. & Gegenfurtner, K.R. (2019). Saccadic suppression measured by steady-state visual evoked potentials. <em>Journal of Neurophysiology, DIO: 10.1152/jn.00712.2018</em></p> <p>Please refer to "data description.txt" for details about the data. </p>
Data and materials for the "Steady-State Mixing State of Black Carbon Aerosols from a Particle-Resolved Model"
<p>Data and sripts for the "Steady-State Mixing State of Black Carbon Aerosols from a Particle-Resolved Model"</p>
Steady-state and time-resolved data for the article "Genetically encoded non-canonical amino acids reveal asynchronous dark reversion of chromophore, backbone and side-chains in EL222"
<p>1. Steady-state data</p> <p>Spectra were taken with/without continuous irradiation with a wavelength of 450 nm.</p> <p>1.1 CNF absorption region (2200-2260 cm<sup>-1</sup>)</p> <p>1.2. Amide absorption region (1500-1800 cm<sup>-1</sup>)</p> <p>1.3. UV/Visible absorption region (320-550 nm)</p> <p>Each spectral region has 3 datasets:</p> <p>- DARK</p> <p>- LIT (photostationary state)</p> <p>- DIFFERENCE (lit-minus-dark)</p> <p>The first row contains the variants.</p> <p>The first column contains the wavenumber (in cm<sup>-1</sup>) or wavelength (in nm).</p> <p>2. Time-resolved data.</p> <p>Dark recovery reaction after switching lights off (wavelength of 450 nm).</p> <p>2.1. EL222_WT_H2O</p> <p>2.2. EL222_WT_D2O</p> <p>2.3. EL222_W31CNF</p> <p>2.4. EL222_L35CNF</p> <p>2.5. EL222_N53CNF</p> <p>2.6. EL222_Y136CNF</p> <p>2.7. EL222_M151CNF</p> <p>2.8. EL222_L216CNF</p> <p>2.9. EL222_LOV_H2O</p> <p>2.10. EL222_LOV_D2O</p> <p>For each variant we have measured 3 spectral regions (except for 2.1, 2.2., 2.9 and 2.10, which lack CNF):</p> <p>- CNF: 2200-2270 cm<sup>-1</sup></p> <p>- AMIDE: 1500-1750 cm<sup>-1</sup></p> <p>- UVVIS: 320-550 nm</p> <p>For each probe we have 2 datasets:</p> <p>- DATA: the experimental lit-minus-dark absorbance difference spectra. </p> <p>The first row contains the time delays (in seconds).</p> <p>The first column contains the wavenumbers (in cm<sup>-1</sup>) or wavelength (in nm).</p> <p>- LDA: the lifetime density maps calculated from the corresponding DATA using the inverse Laplace transform and maximum entropy penalty.</p> <p>The first row contains the lifetimes (in seconds).</p> <p>The first column contains the wavenumbers (in cm<sup>-1</sup>) or wavelength (in nm).</p> <p>If you use these datasets please cite:</p> <p>Chaudhari, A.S.; Chatterjee, A.; Domingos, C.A.O.: Andrikopoulos, P. C.; Liu, Y.; Andersson, I.; Schneider, B.; Lórenz-Fonfría, V.A.; Fuertes, G. Genetically Encoded Non-canonical Amino Acids Reveal Asynchronous Dark Reversion of Chromophore, Backbone and Side-chains in EL222. <em>Protein Science</em>. 2023 <a href="https://doi.org/10.1002/pro.4590">https://doi.org/10.1002/pro.4590</a></p>
Comparing Pharmacodynamic and Pharmacokinetic Properties of Insulin Degludec and Insulin Glargine 300 U/mL at Steady-state Conditions in Subjects With Type 1 Diabetes Mellitus
ClinicalTrials.gov study NCT02536859. IPD Sharing: Not stated. Countries: 1. Publications: 2.
Sputum Microbiota and the Association With Clinical Parameters in Steady-state, Acute Exacerbation and Convalescence of Bronchiectasis
ClinicalTrials.gov study NCT02315547. IPD Sharing: Not stated. Countries: 1. Publications: 20.
A Study to Compare the Bioavailability of Two Tramadol Hydrochloride Tablet Products (50 mg and 200 mg, Respectively) at Steady-state Under Fasting Conditions
ClinicalTrials.gov study NCT00834288. IPD Sharing: Not stated. Countries: 0. Publications: 1.
Rocuronium Dose Finding Study After Single-shot or Steady-state Propofol Anesthesia
ClinicalTrials.gov study NCT02054468. IPD Sharing: Not stated. Countries: 1. Publications: 6.
Supporting dataset for manuscript "Age as a Diagnosis of Steady-state Flows in Shallow Rectangular Reservoirs"
<p>Supporting dataset for manuscript "Age as a Diagnosis of Steady-state Flows in Shallow Rectangular Reservoirs"</p>
Investigation of damping effects on low-frequency steady-state acoustical behaviour of coupled spaces
<p>In the low-frequency range, the acoustical behaviour of enclosed spaces is strongly influenced by excited acoustic modes resulting in a spatial irregularity of a steady-state sound field. In the paper, this problem has been examined theoretically and numerically for a system of coupled spaces with complex-valued conditions on boundary surfaces. Using a modal expansion method, an analytic formula for the Green's function was derived allowing to predict the interior sound field for a pure-tone excitation. To quantify the spatial irregularity of steady-state sound field, the parameter referred to as the mean spatial deviation was introduced. A numerical simulation was carried out for the system consisting of two coupled rectangular subspaces. Eigenfunctions and eigenfrequencies for this system were determined using the high-accuracy eigenvalue solver. As was evidenced by computational data, for small sound damping on absorptive walls the mean spatial deviation peaks at frequencies corresponding to eigenfrequencies of strongly localized modes. However, if the sound damping is much higher, the main cause of spatial irregularity of the interior sound field is the appearance of sharp valleys in a spatial distribution of a sound pressure level.</p>
Data from: Stepping in the direction of the fall: the next foot placement can be predicted from current upper body state in steady-state walking
During human walking, perturbations to the upper body can be partly corrected by placing the foot appropriately on the next step. Here, we infer aspects of such foot placement dynamics using step-to-step variability over hundreds of steps of steady-state walking data. In particular, we infer dependence of the 'next' foot position on upper body state at different phases during the 'current' step. We show that a linear function of the hip position and velocity state (approximating the body center of mass state) during mid-stance explains over 80% of the next lateral foot position variance, consistent with (but not proving) lateral stabilization using foot placement. This linear function implies that a rightward pelvic deviation during a left stance results in a larger step width and smaller step length than average on the next foot placement. The absolute position on the treadmill does not add significant information about the next foot relative to current stance foot over that already available in the pelvis position and velocity. Such walking dynamics inference with steady-state data may allow diagnostics of stability and inform biomimetic exoskeleton or robot design.
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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.