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10,119 results for “IT Support”
Dinitrogen Reduction and Functionalization by a Siloxide Supported Thulium-Potassium Complex for the Formation of Ammonia or Hydrazine Derivatives
<p>The dinitrogen (N2) chemistry of lanthanides remainsless developed compared to the d-block metals and lanthanide-promoted N2 functionalization chemistry in well-defined lanthanidecomplexes remains elusive. Here we report the synthesis andcharacterization (SQUID, EPR, DFT, X-Ray) of the siloxidesupported heterobimetallic (Tm/K) complexes[{KTm(OSi(OtBu)3)3}2(μ-η2:η2-N2)] (1) and [K3{Tm(OSi(OtBu)3)3}2(μ-η2:η2-N2)] (2). Complex 2 provides a rare example of a metalcomplex of the triply reduced N23- radical. The structure of 2 differsfrom the few previously reported N23- complexes as it presents twoTm and three K cations binding the N23- radical, facilitating N2functionalization. Notably, the K3Tm2-bound N23- moiety reacts withexcess H+ to form NH4Cl in 18% yield, and with MeOTf at roomtemperature to yield the dimethyl hydrazido complex[K2{Tm(OSi(OtBu)3)3}2(μ-(CH3)NN(CH3))] (3). Protonolysis of 3yields MeHN-NMeH·2HCl in 18 % yield.</p>
Data supporting: Methodological overview and data-merging approaches in the study of plant-frugivore interactions
<p>Recording species interactions is one of the main challenges in ecological studies. Frugivory has received much attention for decades as a model for mutualisms among free-living species, and a variety of methods have been designed and developed for sampling and monitoring plant–frugivore interactions. The diversity of techniques poses an important challenge when comparing, combining or replicating results from different sources with different methodologies. With the emergence of modern techniques, such as molecular analysis or multimedia remote recorders, issues when combining data from different sources have become especially relevant. We provide an overview of all the techniques used for monitoring endozoochorous primary seed dispersal, focusing on a critical appraisal of the advantages and limitations, as well as the context-dependency nature, of the different methods. We propose five data merging approaches potentially useful to combine frugivory interactions data from different methodologies. Additionally, we provide two case studies where we combine empirical data from plant–animal interactions in Mediterranean shrublands using different methodologies. Data merging resulted in a net increase in the number of distinct pairwise interactions recorded and compensated biases inherent to different methods, resulting in a more robust estimation of network topological descriptors. These case studies clarify the context-dependent character of the merging approaches, highlighting the value of collecting detailed information on the sampling effort in terms of reliable results and reproducibility. Finally, we discuss the trends with different methodological approaches used in the last decades and future perspectives in this field.</p>
Research data supporting "Multiscale Molecular Modelling of ATP-Fueled Supramolecular Polymerisation and Depolymerisation"
<p>Raw research data supporting the publication Perego C. et al., <em>ChemSystemsChem</em> <strong>2021</strong>, DOI: <a href="https://doi.org/10.1002/syst.202000038">https://doi.org/10.1002/syst.202000038</a></p>
Supporting data for: "Hybrid Computational-Experimental Data-Driven Design of Self-Assembling π-Conjugated Peptides"
<p>This repository contains supporting data and code for the paper titled "Hybrid Computational-Experimental Data-Driven Design of Self-Assembling π-Conjugated Peptides" by Kirill Shmilovich, Sayak Subhra Panda, Anna Stouffer, John D. Tovar, and Andrew L. Ferguson.</p>
Supporting data for Tebaldi et al. 2021 - Nature Climate Change
<p>This is the dataset underpinning the paper "Extreme Sea Levels at Different Global Warming Levels" accepted in Nature Climate Change in 2021. Information about the paper as well as the supporting code used to process and analyze the data can be found at: https://github.com/DOE-ICoM/tebaldi-etal_2021_natclimchange.</p>
Comparative transcriptomics of tropical woody plants supports fast and furious strategy along the leaf economics spectrum in lianas
<p>Lianas, climbing woody plants, influence the structure and function of tropical forests. Climbing traits have evolved multiple times, including ancestral groups such as gymnosperms and pteridophytes, but the genetic basis of the liana strategy is largely unknown. Here, we use a comparative transcriptomic approach for 47 tropical plant species, including ten lianas of diverse taxonomic origins, to identify genes that are consistently expressed or downregulated only in lianas. Our comparative analysis of full-length transcripts enabled the identification of a core interactomic network common to lianas. Sets of transcripts identified from our analysis reveal features related to functional traits pertinent to leaf economics spectrum in lianas, including upregulation of genes controlling epidermal cuticular properties, cell wall remodeling, carbon concentrating mechanism, cell cycle progression, DNA repair and a large suit of downregulated transcription factors and enzymes involved in ABA-mediated stress response as well as lignin and suberin synthesis. Altogether, these genes are known to be significant in shaping plant morphologies through responses such as gravitropism, phyllotaxy and shade avoidance.</p>
Data supporting Fear of sex: Sexual conflict exposed as avoidance in a parthenogenetic invertebrate
<p><span><span><span><span><span><span><span><span><span><span><span>Males and females often have divergent evolutionary interests, generating sexual conflicts. This is particularly true in organisms that exhibit facultative <span><span>sexuality</span></span>, whereby females are capable of reproducing without fitness costs of mating. Here we provide the first documented evidence with quantitative tracking showing that sex interacts with social context to determine space-use of females, in a pattern resembling predator <span><span>avoidance</span></span>. To achieve this, we labeled <i>Daphnia magna</i> with fluorescent nanoparticles and utilized a 3-D tracking platform to record pairs of individuals swimming. The recordings comprised either same-sex or opposite-sex pairings. We found that females swam faster, deeper, more horizontally and more linearly when exposed to males than when exposed to females. Simultaneously, we found that male behavior did not differ depending on swimming partner and, importantly, we observed no sexual dimorphism in swimming behaviors when swimming with the same sex. Our results suggest that the presence of males in a population has the potential to influence the distribution of individuals, similarly to known threats, such as predation. This highlights that sexual conflict has clear spatial consequences and should be considered in such ecological frameworks, like the Landscape of Fear (LOF) concept. In a broader context, the connection of the evolutionary and social concept of sexual conflict and the ecological concept of LOF may improve our understanding of population dynamics and the spatial and temporal distribution of individuals in natural ecosystems.</span></span></span></span></span></span></span></span></span></span></span></p>
Model fields supporting the publication "Integrated Assessment of the Risks to Ocean Acidification in the Northern High Latitudes: Regional Comparison of Exposure, Sensitivity and Adaptive Capacity of Pelagic Calcifiers"
<p>These are the model outputs supporting the described manuscript. They include monthly averaged output of aragonite saturation state for each year during the 10-year hindcast. Also included is the particle tracking output, for both the Bering Sea and the Gulf of Alaska, as described in the manuscript.</p>
BEE-STEWARD: a research and decision support software for effective land management to promote bumblebee populations
<p><span><span>The demand for agent-based models to explore the effects of environmental change on pollinator population dynamics is growing. However, models need a simple yet flexible interface to enable adoption by a wide range of stakeholders. </span></span><span><span>We introduce BEE-STEWARD: a research and decision-support software tool, enabling researchers, policy-makers, land management advisors, and practitioners to predict and compare the effects of bee-friendly management interventions on bumblebee populations over several years. </span></span><span><span>BEE-STEWARD integrates the BEESCOUT and <i>Bumble</i>-BEEHAVE agent-based models of bumblebee behaviour, colony growth and landscape exploration into a user-friendly interface, with reconstructed code, and expanded functionality. Bespoke automatic reports can be created to illustrate how different land management interventions can affect the densities of bumblebees and their colonies over time. </span></span><span><span>BEE-STEWARD could be an important virtual test-bed for scientists exploring the impacts of different stressors on bumblebees and used by those with little or no modelling experience, enabling a shared methodology between research, policy, and practice.</span></span></p>
Supporting dataset for "Influence of urban forms on -long-duration urban flooding: laboratory experiments and computational analysis"
<p>In this dataset, we provide two parts of data:</p> <p>(1) Figures in format .fig that are included in the main text and supplementary material</p> <p>(2) Experimental datasets for the five configurations, including flow depth, discharge partition, and the flow surface velocity,</p> <p>- the data is written in a .h5 file that can be read by different languages (ex. Python),</p> <p>- a document PDF and a text file are available to visualize the data structure</p> <p>- a code of Python for reading the data in the .h5 file </p> <p> </p>
FIGURE 6 in Total Evidence Phylogenetic Analysis Supports New Morphological Synapomorphies for Bovidae (Mammalia, Artiodactyla)
FIGURE 6. Maximum clade credibility Bayesian total evidence topology (opposite page, above, and next page). Extinct species are labeled Ancient DNA or Fossil to denote how they appear in the matrix. Posterior probabilities for each node over 0.5 are represented as scaled circles. Divergence dates estimated from fossil calibrations are represented in millions of years. Note the estimated divergence time of the clade Oreotragini + Cephalophini + Antilopini was older than the estimated divergence of the rest of Antilopinae in which it belongs.
Fig. 1 in Mesophotic mushroom coral records at Brunei Darussalam support westward extension of the Coral Triangle to the South China Sea waters of Northwest Borneo
Fig. 1. Map of N.W. Borneo region. White stars designate Fungiidae survey locations. MP = Mampak Patches and LR = Louisa Reef (this study); LL = Layang Layang atoll, KK = islands of the Tungku Abdul Rahman Park near Kota Kinabalu, K = Kudat area (from the literature). Dashed black line represents current western limit of the Coral Triangle (map modified from Google Earth image).
Text-fig. 3. Phylogenetic relationship of Peignecyon felinoides n. gen. et n. sp., within some selected Amphicyonidae, and some extinct caniform carnivorans. Paramiacis exilis is the outgroup. Searches were performed by means of the Branch and Bound and a Bootstrap analysis through 1,000 replicates. One tree is obtained (length 73 steps, consistency index (CI) = 0.6301, retention index (RI) = 0.7000). The numbers below nodes are Bremer indices, and the numbers above nodes are Bootstrap support percentages (only shown ≥ 50). in A New Thaumastocyoninae (Amphicyonidae, Carnivora) From The Early Miocene Of Tuchořice, The Czech Republic
Text-fig. 3. Phylogenetic relationship of Peignecyon felinoides n. gen. et n. sp., within some selected Amphicyonidae, and some extinct caniform carnivorans. Paramiacis exilis is the outgroup. Searches were performed by means of the Branch and Bound and a Bootstrap analysis through 1,000 replicates. One tree is obtained (length 73 steps, consistency index (CI) = 0.6301, retention index (RI) = 0.7000). The numbers below nodes are Bremer indices, and the numbers above nodes are Bootstrap support percentages (only shown ≥ 50).
Text-fig. 45. Scanning electron microscope (SEM) images of monocolpate pollen of Dinisia portugallica gen. et sp. nov. from a fragmentary stamen; Torres Vedras locality, Portugal. a) Holotype; stamen fragment showing elongated pollen sacs that yielded the pollen in this Text-figure; b) Two pollen grains showing poorly defined distal aperture (arrowhead) and distinctive vermiform reticulum forming luminae of variable shapes and sizes; note especially the irregularly and incomplete reticulum in the grain on the left; c) Reticulum showing smooth, vermiform muri attached to the smooth surface of the foot layer by long columellae; note that columellae often terminate segments of muri that are not closed; d, e) Pollen grains showing proximal surface (d), poorly defined distal aperture (e, arrowhead) and distinctive vermiform reticulum supported by long columellae; note dense covering of small, spherical orbicules on the inner surface of the anther wall. Specimen, TV44-S148216 (holotype). Scale bars 300 Μm (a), 6 Μm (b, d, e), 3 Μm (c). in The Early Cretaceous Mesofossil Flora Of Torres Vedras (Ne Of Forte Da Forca), Portugal: A Palaeofloristic Analysis Of An Early Angiosperm Community
Text-fig. 45. Scanning electron microscope (SEM) images of monocolpate pollen of Dinisia portugallica gen. et sp. nov. from a fragmentary stamen; Torres Vedras locality, Portugal. a) Holotype; stamen fragment showing elongated pollen sacs that yielded the pollen in this Text-figure; b) Two pollen grains showing poorly defined distal aperture (arrowhead) and distinctive vermiform reticulum forming luminae of variable shapes and sizes; note especially the irregularly and incomplete reticulum in the grain on the left; c) Reticulum showing smooth, vermiform muri attached to the smooth surface of the foot layer by long columellae; note that columellae often terminate segments of muri that are not closed; d, e) Pollen grains showing proximal surface (d), poorly defined distal aperture (e, arrowhead) and distinctive vermiform reticulum supported by long columellae; note dense covering of small, spherical orbicules on the inner surface of the anther wall. Specimen, TV44-S148216 (holotype). Scale bars 300 Μm (a), 6 Μm (b, d, e), 3 Μm (c).
Text-fig. 40. Scanning electron microscope (SEM) images of monocolpate pollen of Eckhartiopsis parva gen. et sp. nov. from an anther; Torres Vedras locality, Portugal. a) Holotype; elongated anther that yielded the pollen in this Text-figure; b–e) Pollen grains showing dense reticulate tectum supported by short columellae that are only loosely attached to the smooth surface of the foot layer: note dentate orbicules on inner surface of anther wall (b, arrowhead); f) Reticulate tectum showing smooth muri with small adhering orbicules (arrowhead); g) Pollen grains showing one in which the reticulum has been lost exposing the smooth surface of the foot layer; h) Fractured pollen wall showing reticulum, short columellae and thick foot layer; note granules on the inner surface of the apertural region (arrow). Specimen, TV39-S170217 (holotype). Scale bars 300 Μm (a), 6 Μm (b–e, g), 3 Μm (f, h). in The Early Cretaceous Mesofossil Flora Of Torres Vedras (Ne Of Forte Da Forca), Portugal: A Palaeofloristic Analysis Of An Early Angiosperm Community
Text-fig. 40. Scanning electron microscope (SEM) images of monocolpate pollen of Eckhartiopsis parva gen. et sp. nov. from an anther; Torres Vedras locality, Portugal. a) Holotype; elongated anther that yielded the pollen in this Text-figure; b–e) Pollen grains showing dense reticulate tectum supported by short columellae that are only loosely attached to the smooth surface of the foot layer: note dentate orbicules on inner surface of anther wall (b, arrowhead); f) Reticulate tectum showing smooth muri with small adhering orbicules (arrowhead); g) Pollen grains showing one in which the reticulum has been lost exposing the smooth surface of the foot layer; h) Fractured pollen wall showing reticulum, short columellae and thick foot layer; note granules on the inner surface of the apertural region (arrow). Specimen, TV39-S170217 (holotype). Scale bars 300 Μm (a), 6 Μm (b–e, g), 3 Μm (f, h).
Text-fig. 44. Scanning electron microscope (SEM) images of monocolpate pollen of Juhaszia portugallica gen. et sp. nov. from a fragment of a pollen sac (a–e) and stamen fragment and pollen of Dictyozonia pusilla gen. et sp. nov. (f–k); Torres Vedras locality, Portugal. a) Holotype; fragment of pollen sac that yielded the pollen in (b–e); b) Proximal surface of pollen grain showing reticulate sculpture in the equatorial regions grading into more a continuous foveolate tectum at the proximal pole; c) Reticulum on the proximal surface showing smooth muri delimiting large and small luminae. Muri supported by numerous short columellae that are only loosely attached to the smooth surface of the foot layer; d) Distal surface of pollen grain showing the long colpus and reticulate sculpture with a distinctive pattern of large and small luminae; e) Pollen grain from which the reticulum has become in The Early Cretaceous Mesofossil Flora Of Torres Vedras (Ne Of Forte Da Forca), Portugal: A Palaeofloristic Analysis Of An Early Angiosperm Community
Text-fig. 44. Scanning electron microscope (SEM) images of monocolpate pollen of Juhaszia portugallica gen. et sp. nov. from a fragment of a pollen sac (a–e) and stamen fragment and pollen of Dictyozonia pusilla gen. et sp. nov. (f–k); Torres Vedras locality, Portugal. a) Holotype; fragment of pollen sac that yielded the pollen in (b–e); b) Proximal surface of pollen grain showing reticulate sculpture in the equatorial regions grading into more a continuous foveolate tectum at the proximal pole; c) Reticulum on the proximal surface showing smooth muri delimiting large and small luminae. Muri supported by numerous short columellae that are only loosely attached to the smooth surface of the foot layer; d) Distal surface of pollen grain showing the long colpus and reticulate sculpture with a distinctive pattern of large and small luminae; e) Pollen grain from which the reticulum has become
Text-fig. 36. Scanning electron microscope (SEM) images of flower of Eckhartianthus lusitanicus gen. et sp. nov.; Torres Vedras locality, Portugal. a) Holotype; oblique lateral view of hypogynous flower showing perianth surrounding the stamens and protruding gynoecium; b–d) Pollen from the flower in (a) showing single distal aperture and reticulate exine with thick muri, small lumina and short, densely spaced columellae; e) Reticulum showing thick, smooth muri supported by numerous short columellae firmly attached to the smooth surface of the foot layer. Specimen, TV39-S101306 (holotype). Scale bars 300 Μm (a), 6 Μm (b–d), 3 Μm (e). in The Early Cretaceous Mesofossil Flora Of Torres Vedras (Ne Of Forte Da Forca), Portugal: A Palaeofloristic Analysis Of An Early Angiosperm Community
Text-fig. 36. Scanning electron microscope (SEM) images of flower of Eckhartianthus lusitanicus gen. et sp. nov.; Torres Vedras locality, Portugal. a) Holotype; oblique lateral view of hypogynous flower showing perianth surrounding the stamens and protruding gynoecium; b–d) Pollen from the flower in (a) showing single distal aperture and reticulate exine with thick muri, small lumina and short, densely spaced columellae; e) Reticulum showing thick, smooth muri supported by numerous short columellae firmly attached to the smooth surface of the foot layer. Specimen, TV39-S101306 (holotype). Scale bars 300 Μm (a), 6 Μm (b–d), 3 Μm (e).
Text-fig. 39. Scanning electron microscope (SEM) images of monocolpate pollen of Eckhartia intermedia sp. nov. from a pollen clump, probably fragment of a stamen (a–e) and anthers and pollen of Eckhartia sp. (f–k); Torres Vedras locality, Portugal. a) Pollen clump that yielded the pollen in (b–e); b–d) Pollen grains viewed from distal (d) and proximal surfaces (b, c) showing the long colpus and well-developed reticulum with large and small luminae; e) Reticulum showing smooth muri supported by short columellae firmly attached to the smooth surface of the foot layer; note the occasional small luminae; f, g) Fragments of narrow elongate anthers with same kind of pollen as in (i); h) Inner surface of anther wall showing small spherical orbicules; in The Early Cretaceous Mesofossil Flora Of Torres Vedras (Ne Of Forte Da Forca), Portugal: A Palaeofloristic Analysis Of An Early Angiosperm Community
Text-fig. 39. Scanning electron microscope (SEM) images of monocolpate pollen of Eckhartia intermedia sp. nov. from a pollen clump, probably fragment of a stamen (a–e) and anthers and pollen of Eckhartia sp. (f–k); Torres Vedras locality, Portugal. a) Pollen clump that yielded the pollen in (b–e); b–d) Pollen grains viewed from distal (d) and proximal surfaces (b, c) showing the long colpus and well-developed reticulum with large and small luminae; e) Reticulum showing smooth muri supported by short columellae firmly attached to the smooth surface of the foot layer; note the occasional small luminae; f, g) Fragments of narrow elongate anthers with same kind of pollen as in (i); h) Inner surface of anther wall showing small spherical orbicules;
Text-fig. 31. Scanning electron microscope (SEM) images of monocolpate pollen of Burgeria striata gen. et sp. nov. from a pollen clump; Torres Vedras locality, Portugal. a) Holotype; pollen clump that yielded the pollen in this Text-figure; b) Pollen grains showing the distal colpus and the undulating tectum perforated by scattered punctae; c–e) Equatorial (c) and distal views (d, e) of pollen grains showing the long distal colpus with granular ornamentation and the undulating tectum perforated by scattered punctae; f) Detail of section through pollen wall showing thick tectum with fine striate ornamentation, perforated by punctae and supported by short stout columellae attached to the thin foot layer; g–h) Surface of tectum (g) and orbicule (h) showing fine striate ornamentation. Specimen, TV44-S149216 (holotype). Scale bars 300 Μm (a), 30 Μm (b), 6 Μm (c–e), 1.5 Μm (f–h). in The Early Cretaceous Mesofossil Flora Of Torres Vedras (Ne Of Forte Da Forca), Portugal: A Palaeofloristic Analysis Of An Early Angiosperm Community
Text-fig. 31. Scanning electron microscope (SEM) images of monocolpate pollen of Burgeria striata gen. et sp. nov. from a pollen clump; Torres Vedras locality, Portugal. a) Holotype; pollen clump that yielded the pollen in this Text-figure; b) Pollen grains showing the distal colpus and the undulating tectum perforated by scattered punctae; c–e) Equatorial (c) and distal views (d, e) of pollen grains showing the long distal colpus with granular ornamentation and the undulating tectum perforated by scattered punctae; f) Detail of section through pollen wall showing thick tectum with fine striate ornamentation, perforated by punctae and supported by short stout columellae attached to the thin foot layer; g–h) Surface of tectum (g) and orbicule (h) showing fine striate ornamentation. Specimen, TV44-S149216 (holotype). Scale bars 300 Μm (a), 30 Μm (b), 6 Μm (c–e), 1.5 Μm (f–h).
Text-fig. 18. Scanning electron microscope (SEM) images of a fruit of Canrightia sp. with associated pollen; Torres Vedras locality, Portugal. a) Fruit in lateral view showing prominent cavities in the fruit wall formed by the scattered oil bodies and the broad hypanthium fused to the base of the fruit (arrowhead); b) Fruit surface showing epidermal cells and the scattered oil cells embedded in the fruit wall (arrowheads); c) Cluster of monocolpate pollen grains in the probable stigmatic region of the fruit; d) Pollen grains showing the long colpus and semitectate-reticulate pollen wall; e) Pollen wall showing the reticulum with large and small lumina, and scattered, compressed columellae supporting the smooth muri. Specimen, TV142-S170213. Scale bars 300 Μm (a), 100 Μm (b), 30 Μm (c), 6 Μm (d), 1 Μm (e). in The Early Cretaceous Mesofossil Flora Of Torres Vedras (Ne Of Forte Da Forca), Portugal: A Palaeofloristic Analysis Of An Early Angiosperm Community
Text-fig. 18. Scanning electron microscope (SEM) images of a fruit of Canrightia sp. with associated pollen; Torres Vedras locality, Portugal. a) Fruit in lateral view showing prominent cavities in the fruit wall formed by the scattered oil bodies and the broad hypanthium fused to the base of the fruit (arrowhead); b) Fruit surface showing epidermal cells and the scattered oil cells embedded in the fruit wall (arrowheads); c) Cluster of monocolpate pollen grains in the probable stigmatic region of the fruit; d) Pollen grains showing the long colpus and semitectate-reticulate pollen wall; e) Pollen wall showing the reticulum with large and small lumina, and scattered, compressed columellae supporting the smooth muri. Specimen, TV142-S170213. Scale bars 300 Μm (a), 100 Μm (b), 30 Μm (c), 6 Μm (d), 1 Μm (e).
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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.