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369 results for “Permeability”
A dataset of gas permeability and flux simulation of poplar tension wood
<p>The datasets generated during the study <Relationship between pore structure and gas permeability in poplar (<em>Populus deltoides</em> CL.'55/65') tension wood>.</p>
Figure 2 from: Logoyda L (2020) HPLC-MS/MS method development for the quantitative determination of nifedipine for Caco-2 permeability assay. Pharmacia 67(2): 83-88. https://doi.org/10.3897/pharmacia.67.e50159
Figure 2 Gradient curve.
Figure 3 from: Logoyda L (2020) HPLC-MS/MS method development for the quantitative determination of nifedipine for Caco-2 permeability assay. Pharmacia 67(2): 83-88. https://doi.org/10.3897/pharmacia.67.e50159
Figure 3 Typical multiple reaction monitoring chromatograms of nifedipine.
Figure 1 from: Logoyda L (2020) HPLC-MS/MS method development for the quantitative determination of nifedipine for Caco-2 permeability assay. Pharmacia 67(2): 83-88. https://doi.org/10.3897/pharmacia.67.e50159
Figure 1 The chemical structure of nifedipine.
Figure 4 from: Logoyda L (2020) HPLC-MS/MS method development for the quantitative determination of nifedipine for Caco-2 permeability assay. Pharmacia 67(2): 83-88. https://doi.org/10.3897/pharmacia.67.e50159
Figure 4 Thecalibration curve of nifedipine in human plasma.
Simulation data and scripts for DEM simulation of stress- and orientation-dependent rock permeability
<p>Data set- contains all the raw data required to replicate the plots in the main article;</p> <p>Codes- contains the codes which are needed to run a Darcy flow test on the DEM model. The codes for the generation of both isotropic model and the anisotropic model are also provided in this .zip file. Also enclosed is a ReadMe.txt file detailing the procedures for the simulations. </p>
Data from: Effect of chemical additives on electrokinetic remediation of Cr-contaminated soil coupled with a permeable reactive barrier
Chromium(Cr) contamination in soil, especially Cr(VI) has a serious threat to the environment and human health. The electrokinetic remediation (EKR) is a promising technology to remediate the Cr(VI). Therefore, EKR coupled with a permeable reactive barrier (PRB) was used to treat the Cr(VI) contaminated soil in this study. The CTMAB-Z, a modified zeolite (prepared by cetyl trimethyl ammonium bromide) alone and a mixture of CTMAB-Z and Fe(0) were used as PRB-1 and PRB-2 reactive media, respectively. The effect of chemical enhancers/additives i.e. dl-tartaric acid and tween 80 on EKR of Cr(VI) was also analysed in the contrasting experiments. While, the effects of repair time, voltage gradient and dl-tartaric acid concentration on Cr(VI) remediation were investigated by utilizing multifactor orthogonal experiment which was based on contrasting experiments. The contrasting experiment results showed that the highest Cr(VI) removal rate(66.27%) and leaching efficiency(71.29%) were observed in the experimental group which had dl-tartaric acid and PRB-2. Furthermore, the multifactor orthogonal experiment results had depicted that the highest Cr(VI) removal rate(80.92%) and leaching efficiency(85.25%) were achieved after treating the samples at a voltage gradient of 2.5 v/cm for 8 days in presence of 0.15 M concentration of dl-tartaric acid. This study demonstrated that Cr(VI) remediation through EKR process could be significantly enhanced by the use of PRB and additives.
Data from: Steep clines within a highly permeable genome across a hybrid zone between two subspecies of the European rabbit
Maintenance of genetic distinction in the face of gene flow is an important aspect of the speciation process. Here, we provide a detailed spatial and genetic characterization of a hybrid zone between two subspecies of the European rabbit. We examined patterns of allele frequency change for 22 markers located on the autosomes, X-chromosome, Y-chromosome, and mtDNA in 1078 individuals sampled across the hybrid zone. While some loci revealed extremely wide clines (w>=300 km) relative to an estimated dispersal of 1.95-4.22 km/generation, others showed abrupt transitions (w = 10 km), indicating localized genomic regions of strong selection against introgression. The subset of loci showing steep clines had largely coincident centers and stepped changes in allele frequency that did not co-localize with any physical barrier or ecotone, suggesting that the rabbit hybrid zone is a tension zone. The steepest clines were for X and Y chromosome markers. Our results are consistent with previous inference based on DNA sequence variation of individuals sampled in allopatry in suggesting that a large proportion of each genome has escaped the overall barrier to gene flow in the middle of the hybrid zone. These results imply an old history of hybridization and high effective gene flow, and anticipate that isolation factors should often localize to small genomic regions.
Dataset of "Pore-scale simulation of the impact of CO2-Water-Mineral Interaction on Rock Permeability and Mechanical Properties"
<p>This dataset supports the research study 'Pore-scale simulation of the impact of CO2-Water-Mineral Interaction on Rock Permeability and Mechanical Properties' by B. Yang, T. Xu, Z. Jiang, and H. Zhu.</p>
Figure 1 from: Shulyak N, Liushuk K, Semeniuk O, Yarema N, Uglyar T, Popovych D, Sverstiuk A, Ciciura R, Logoyda L (2022) Study of the dissolution kinetics of drugs in solid dosage form with lisinopril and atorvastatin and intestinal permeability to assess their equivalence in vitro. Pharmacia 69(1): 61-67. https://doi.org/10.3897/pharmacia.69.e77319
Figure 1 Typical multiple reaction monitoring chromatograms of atorvastatin.
Figure 2 from: Shulyak N, Liushuk K, Semeniuk O, Yarema N, Uglyar T, Popovych D, Sverstiuk A, Ciciura R, Logoyda L (2022) Study of the dissolution kinetics of drugs in solid dosage form with lisinopril and atorvastatin and intestinal permeability to assess their equivalence in vitro. Pharmacia 69(1): 61-67. https://doi.org/10.3897/pharmacia.69.e77319
Figure 2 Typical multiple reaction monitoring chromatograms of lisinopril.
Data from: Hierarchical multi-taxa models inform riparian vs. hydrologic restoration of urban streams in a permeable landscape
The degradation of streams caused by urbanization tends to follow predictable patterns; however, there is a growing appreciation for heterogeneity in stream response to urbanization due to the local geoclimatic context. Furthermore, there is building evidence that streams in mildly sloped, permeable landscapes respond uncharacteristically to urban stress calling for a more nuanced approach to restoration. We evaluated the relative influence of local-scale riparian characteristics and catchment-scale imperviousness on the macroinvertebrate assemblages of streams in the flat, permeable urban landscape of Perth, Western Australia. Using a hierarchical multi-taxa model, we predicted the outcomes of stylized stream restoration strategies to increase the riparian integrity at the local scale or decrease the influences of imperviousness at the catchment scale. In the urban streams of Perth, we show that local-scale riparian restoration can influence the structure of macroinvertebrate assemblages to a greater degree than managing the influences of catchment-scale imperviousness. We also observed an interaction between the effect of riparian integrity and imperviousness such that the effect of increased riparian integrity was enhanced at lower levels of catchment imperviousness. This study represents one of few conducted in flat, permeable landscapes and the first aimed at informing urban stream restoration in Perth, adding to the growing appreciation for heterogeneity of the Urban Stream Syndrome and its importance for urban stream restoration.
Figure 3 from: Amosu A, Mahmood H, Ofoche P (2018) Estimating the Permeability of Carbonate Rocks from the Fractal Properties of Moldic Pores using the Kozeny-Carman Equation. Research Ideas and Outcomes 4: e24430. https://doi.org/10.3897/rio.4.e24430
Figure 3 Figure depicting how the fractal dimension is estimated using the box-counting method.
Figure 1 from: Amosu A, Mahmood H, Ofoche P (2018) Estimating the Permeability of Carbonate Rocks from the Fractal Properties of Moldic Pores using the Kozeny-Carman Equation. Research Ideas and Outcomes 4: e24430. https://doi.org/10.3897/rio.4.e24430
Figure 1 Map showing the location of the Happy Spraberry Field in Garza County, Texas.
Figure 4 from: Amosu A, Mahmood H, Ofoche P (2018) Estimating the Permeability of Carbonate Rocks from the Fractal Properties of Moldic Pores using the Kozeny-Carman Equation. Research Ideas and Outcomes 4: e24430. https://doi.org/10.3897/rio.4.e24430
Figure 4 Figure depicting the porosity-permeability relationship.
Safety and Efficacy Evaluation of a New Contact Lens Disinfecting Solution in Gas Permeable Contact Lens Wearers
ClinicalTrials.gov study NCT01912781. IPD Sharing: Not stated. Countries: 0. Publications: 0.
Evaluation of Blood Brain Barrier Permeability in Chronic Stroke
ClinicalTrials.gov study NCT01203800. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Evaluating the Efficacy and Safety of Contact Lens Lubricant in Rigid Gas Permeable Corneal Contact Lens Wearers
ClinicalTrials.gov study NCT07091825. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Immune-supportive Diet and Gut Permeability in Allergic Children
ClinicalTrials.gov study NCT05667610. IPD Sharing: UNDECIDED. Countries: 1. Publications: 0.
The Effect of Probiotic Intake on Intestinal Permeability in Healthy Adults
ClinicalTrials.gov study NCT03611400. IPD Sharing: NO. Countries: 1. Publications: 0.
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Allen Brain Atlas
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DANDI Archive for NWB datasets
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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.