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1,029 results for “Absorption”
Absorption and Emission spectra of fluorescent proteins
<p>Table with absorption spectra and emission spectra of a set of purified fluorescent proteins</p> <p> </p>
Contrasting effects of indigenous arbuscular mycorrhizal fungi on nitrogen absorption of C3 and C4 grasses: Evidence from microcosm and 15N labeling experiments
<p><strong><em>Background and aims</em></strong></p> <p>Nitrogen (N) captured by arbuscular mycorrhizal (AM) symbiosis is a major pathway in the N uptake of host plants. However, the relative contribution of arbuscular mycorrhizal fungi (AMF) to N uptake in different plant functional types has not been well assessed.</p> <p><strong><em>Methods</em></strong></p> <p>Two dominant plant species in semiarid steppe ecosystems on the Mongolian plateau, i.e. <em>Leymus chinensis </em>(C<sub>3</sub> grass) and <em>Cleistogenes squarrosa</em> (C<sub>4</sub> grass), were selected in this study. We conducted a greenhouse manipulation experiment using novel microcosms combined with <sup>15</sup>N labeling techniques and investigated the effect of indigenous AMF on plant growth and quantified their relative contribution to N uptake under high and low levels of available soil N. </p> <p><strong><em>Results</em></strong></p> <p>Indigenous AMF contribute more to N uptake in C<sub>3</sub> grass than that in C<sub>4</sub> grass, and mycorrhizal partners act as parasites for C<sub>4</sub> plant growth. For <em>L. chinensis</em>, indigenous AM symbiosis suppressed plant growth under low soil N but improved plant growth under high soil N conditions. AMF contributed to <em>c.</em> 23% and 20% of the total plant N uptake under low and high soil N conditions, respectively. For <em>C. squarrosa</em>, indigenous AM symbiosis consistently inhibited plant growth under both low and high soil N conditions, and the percent contributions of AMF to N uptake were only <em>c.</em> 9% and 7%, respectively.</p> <p><strong><em>Conclusions</em></strong></p> <p>Our results demonstrate that indigenous AM symbiosis plays a vital role in N uptake by host plants, even in the absence of a positive growth response. AMF can modify the fitness of C<sub>3</sub> and C<sub>4</sub> grasses and thereby alter plant community composition and ecosystem N cycling, particularly under high N conditions. Our study has important implications for improving global N cycling models in the face of increasing global N deposition.</p>
Combining X-ray Diffraction and X-ray Absorption Spectroscopy to Unveil Zn Local Environment in Zn-Doped ZrO2 Catalysts
<p>K-space EXAFS spectra; additional PXRD results; EXAFS fitting for reference t-ZrO2; fwhm analysis of first derivative of the Zr K-edge XANES main edge; EXAFS fitting for reference h-ZnO; test Zr K-edge EXAFS fitting of ZrZn-5 using a c-ZrO2 model; additional details on input structures employed in Zn K-edge EXAFS fitting; additional details on cluster size evaluation; additional details on <i>in situ</i> XAS data during activation in H2 and related EXAFS analysis using the Einstein model; <i>in situ</i> XAS data under reaction conditions (CO2/H2, 300 °C, 15 bar) </p>
Elucidating the reaction mechanism of SO2 with Cu-CHA catalysts for NH3-SCR by X-ray absorption spectroscopy
<p>Dataset related to the article with the same title and authors:</p><p>https://pubs.rsc.org/en/content/articlelanding/2023/SC/D3SC03924B#fn1</p><p>dat files corresponding to the spectra reported in the article. See the article for the description of the procedures and of high and load loading catalysts</p><p> </p><p> </p>
Photoactivation of the Orange Carotenoid Protein Requires Two Light-Driven Reactions Mediated by a Metastable Monomeric Intermediate – Absorption Spectra and Global Analysis Results, Molecular Dynamics Simulations
<p>Time-resolved absorption and molecular dynamics trajectory datasets associated with: Rose, J. B.; Gascón, J. A.; Sutter, M.; Sheppard, D. I.; Kerfeld, C. A.; Beck, W. F. Photoactivation of the Orange Carotenoid Protein Requires Two Light-Driven Reactions Mediated by a Metastable Monomeric Intermediate. <i>Phys. Chem. Chem. Phys.</i> <strong>2023</strong>, DOI: 10.1039/d3cp04484j.</p>
Data and Scripts for Publication: Information Bottleneck in Peptide Conformation Determination by X-ray Absorption Spectroscopy
<p>Data and scripts for the publication titled Information Bottleneck in Peptide Conformation Determination by X-ray Absorption Spectroscopy.</p> <p>Article available at <a href="https://doi.org/10.1088/2399-6528/ad1f73">10.1088/2399-6528/ad1f73</a></p>
Decoupling of uptake and transport-related traits in absorptive roots across coexisting herbaceous species in alpine meadows
<div>The anatomical structure of roots determines their function. Coexisting species complementarily forage nutrients by roots themselves (e.g., root strategy) and their fungal partners (e.g., mycorrhizal strategy), leading to a tradeoff between root strategy and mycorrhizal strategy. However, few studies have specifically evaluated whether and how the root anatomical structures are involved in this tradeoff, especially for species in alpine ecosystems limited by extreme climate.Here, absorptive root anatomical and chemical traits and three key root traits commonly associated with nutrient foraging strategies, i.e., root strategy indicated by first-order root length and root branching intensity and mycorrhizal strategy indicated by arbuscular mycorrhizal fungal colonization, were examined across 68 herbaceous species in alpine meadows of the Tibetan Plateau.We observed that absorptive roots with higher branching intensity had more protoxylem poles, thinner cortices and smaller cortical cells, whereas absorptive roots with higher mycorrhizal colonization and longer first-order roots consistently had thicker cortices and larger cortical cells. Unexpectedly, root cortical traits responsible for nutrient uptake were decoupled from stelar traits specialized in water and nutrient transportation. The decoupling may be related to the non-coordinated changes in soil water and nutrient availability in the meadows of the Tibetan Plateau. In addition, we found that root cortical thickness and stelar radius increased at a similar rate rather than well-reported different rates with increasing root diameter. Our results demonstrate that root internal makeup plays an integral role in forming the diverse nutrient foraging strategies in belowground. These findings provide new insights into our understanding of plant coexistence and responses of alpine meadows to climate change on the Tibetan Plateau.</div>
In-situ Liaodong Bay Sea Ice Data for the Study of Remotely Estimating Absorptive Substances within Sea Ice
<p>This dataset was used for a study trying to develop remote rensing retrieval model and analyse the uncertainties of impurity content in sea ice from the optics perspective.</p>
Data and geometries for "Understanding X-ray absorption in liquid water using triple excitations in multilevel coupled cluster theory"
<p>Geometries and raw and processed data for the paper "Understanding X-ray absorption in liquid water using<br>triple excitations in multilevel coupled cluster theory"</p> <p>This work has received funding from the European Research Council (ERC)<br>under the European Union’s Horizon 2020 Research and Innovation Program<br>(grant agreement no. 101020016 and 860553), the Research Council of Norway through FRINATEK (project no. 275506), the Swedish Research Council (grant agreement no. 2021-04521), the Independent Research Fund Denmark--Natural Sciences, DFF-RP2 (grant no. 7014-00258B)<br>Computing resources from UNINETT Sigma2—the National Infrastructure for High Performance Computing<br>and Data Storage in Norway (project no. NN2962k),<br>from DeIC—Danish Infrastructure Cooperation (grant no. DeiC-DTU-N3-2023027), and from the Swiss National Supercomputing Centre (project ID uzh1).</p>
Data: Salt marsh litter quality and decomposition under sea-level rise scenarios: from leaves to fine absorptive roots
<p>litter chemical characteristic in salt marshes, including fine absorptive roots, fine transportive roots, rhizomes and leaves. </p> <p>mass loss of litter and chemical characteristics of those litter under sea level scenarios (manipulated in situ)</p>
Data supporting article: "Data-Driven Discovery of the Origins of UV Absorption in Alpha-3C Protein"
<p>The uploaded folder contains data and a python notebook containing code used to plot the figures presented in the article "Data-Driven Discovery of UV Absorption in Alpha-3C Protein"</p>
Optical properties of mineral dust aerosols with non-absorptive coating: a numerical investigation
<p>Model data for optical calculations of non-absorptive coated mineral dust aerosol</p> <p>This repository provides data used for plots in a manuscript submitted to Optics Express. The folder contains optical data from calculations performed with the T-matrix code. The subdirectory aspect ratio contains results for eleven aspect ratios with the coating ratio equal to 0.5 stored in respective directories. The directory coating ratio contains results for eleven coating ratios with an aspect ratio of 1.37. The directory naming of folders within the subdirectories derives from the parameter choice as indicated in the manuscript.</p>
Global maps of the lunar 3-µm absorption band
<p>This data set contains maps of the moon in simple cylindrical projection which represent the integrated depth of the absorption band at 3 μm wavelength (OHIBD) at different local times of day (morning, noon and late afternoon). These maps were obtained by analyzing the data from the Moon Mineralogy Mapper (M³) hyperspectral camera carried by the Chandrayaan-1 spacecraft. They are each provided as GEOTIFF files. For the construction of the maps, a roughness (RMS slope) of the regolith surface of 0°, 9° and 20° was assumed. The analysis method used to generate the maps is described in the following publication:</p> <p>Wöhler, C., Grumpe, A., Berezhnoy, A. A., Shevchenko, V. V., 2017. Time-of-day–dependent global distribution of lunar surficial water/hydroxyl. Science Advances 3(9), e1701286, DOI 10.1126/sciadv.1701286</p> <p> </p>
Comparing black-carbon- and aerosol-absorption-measuring instruments – a new system using lab-generated soot coated with controlled amounts of secondary organic matter
<p>A preprint of the publication can be found here: <a href="https://amt.copernicus.org/preprints/amt-2021-214/">AMTD - Response of black carbon and aerosol absorption measuring instruments to laboratory-generated soot coated with controlled amounts of secondary organic matter (copernicus.org)</a> (doi.org/10.5194/amt-2021-214).</p> <p>The files correspond to the raw data sets used for Figures 3 and 4 of the aforementioned publication.</p> <p>The date and start/stop time of the measurements are listed in the file "overview_measurements".</p>
Raw output data for "Covalency in actinide(IV) hexachlorides in relation to the chlorine K-edge X-ray absorption structure", DOI: 10.1039/D1SC06454A
<p>This repository contains raw output files related to the following article:</p> <p>Authors: Dumitru-Claudiu Sergentu and Jochen Autschbach<br> Title: Covalency in Actinide(IV) Hexachlorides in Relation to Chlorine K-Edge X-ray Absorption Structure<br> DOI: https://doi.org/10.1039/D1SC06454A</p> <p>Each archive: 1) ThCl6.rar 2) UCl6.rar 3) NpCl6.rar and 4) PuCl6.rar<br> contains output data produced by ADF (raw DFT outputs associated with the article, the ADF program can be found at: https://www.scm.com/product/adf/) and OpenMolcas (raw RASSCF and RASSI outputs associated with the article, the OpenMolcas program can be found at: https://gitlab.com/Molcas/OpenMolcas). Each folder in the archives contains 00README.txt files describing its content(s).</p> <p> </p> <p> </p>
Data for "Direct Observation of Ultrafast Exciton Localization in an Organic Semiconductor with Soft X-ray Transient Absorption Spectroscopy"
<p>Underlying data for figures 1-3 and supplementary figures S1-S7 for the paper entitled 'Direct Observation of Ultrafast Exciton Localization in an Organic Semiconductor with Soft X-ray Transient Absorption Spectroscopy'.</p>
IN SILICO SCREENING OF TWO-PHOTON ABSORPTION PROPERTIES OF A LARGE SET OF BIS-BF2-DYES
<p>This data set is a part of Supporting Info for our work entitled “IN SILICO SCREENING OF TWO-PHOTON ABSORPTION PROPERTIES OF A LARGE SET OF BIS-BF2-DYES” which is published in ChemPhotoChem peer-reviewed scientific journal (<a href="https://doi.org/10.1002/cptc.202200137">doi.org/10.1002/cptc.202200137</a>). In this data set, we provide the XYZ coordinates for the 280 compounds studied in this work.</p>
Absorption, translocation and distribution of imidacloprid in wheat
<p>The absorption, translocation and distribution of imidacloprid in wheat under hydroponic conditions were determined by LC-MS-MS. The results showed that imidacloprid could be absorbed by wheat, and imidacloprid was detected in both the roots and leaves of wheat.</p>
Transient Absorption Spectroscopy for "The Other Dimension - Tuning Hole Extraction via Nanorod Width"
<p>This is the transient absorption spectroscopy dataset for the publication "The Other Dimension - Tuning Hole Extraction via Nanorod Width". It contains the originally obtained data, chirp corrected 2D datasets, and the Gauss fittings of spectra obtained at delay times of 20 ps.</p>
Direct Observation of the Transitional Stage of Mixing-State- Related Absorption Enhancement for Atmospheric Black Carbon
<p>Data for article <em>Direct Observation of the Transitional Stage of Mixing-State-Related Absorption Enhancement for Atmospheric Black Carbon.</em></p>
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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.