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149 results for “nanostructure”
Data for: Solving Complex Nanostructures With Ptychographic Atomic Electron Tomography
<p>Transmission electron microscopy (TEM) is a potent technique for the determination of three-dimensional atomic scale structure of samples in structural biology and materials science. In structural biology, three-dimensional structures of proteins are routinely determined using phase-contrast single-particle cryo-electron microscopy from thousands of identical proteins, and reconstructions have reached atomic resolution for specific proteins. In materials science, three-dimensional atomic structures of complex nanomaterials have been determined using a combination of annular dark field (ADF) scanning transmission electron microscopic (STEM) tomography and subpixel localization of atomic peaks, in a method termed atomic electron tomography (AET). However, neither of these methods can determine the three-dimensional atomic structure of heterogeneous nanomaterials containing light elements. Here, we perform mixed-state electron ptychography from 34.5 million diffraction patterns to reconstruct a high-resolution tilt series of a double wall-carbon nanotube (DW-CNT), encapsulating a complex $\mathrm{ZrTe}$ sandwich structure. Class averaging of the resulting reconstructions and subpixel localization of the atomic peaks in the reconstructed volume reveals the complex three-dimensional atomic structure of the core-shell heterostructure with \SI{17}{\pico\meter} precision. From these measurements, we solve the full $\mathrm{Zr_{11}Te_{50}}$ structure, which contains a previously unobserved $\mathrm{ZrTe_{2}}$ phase in the core. The experimental realization of ptychographic atomic electron tomography (PAET) will allow for structural determination of a wide range of nanomaterials which are beam-sensitive or contain light elements.</p>
Dataset for article: Nanostructure Formation in Glycerolipid Films during Enzymatic Hydrolysis: A GISAXS Study
<p><strong>Dataset for publication:</strong></p> <p>Nanostructure Formation in Glycerolipid Films during Enzymatic Hydrolysis: A GISAXS Study<br>Rafael V. M. Freire, Bettina Tran, Meron Debas, Mahsa Zabara, Heinz Amenitsch, and Stefan Salentinig<br>ACS Appl. Mater. Interfaces 2024, 16, 44, 61262–61271 (DOI 10.1021/acsami.4c12125)</p> <p>Setup and conditions for the experiments are described in the experimental section of the published manuscript.</p> <p>Data description in README.txt file.</p>
Figure 6 in Microstructures and nanostructures of high Andean Penaincisalia lycaenid butterfly scales (Lepidoptera: Lycaenidae): descriptions and interpretations
Figure 6. Scanning electron micrographs of Thecloxurina atymna scale microstructures. (A) Tile- or shovel-shaped scales, deep dentation; (B) low longitudinal ridges with flutes, straight cross ribs, and rectangular microcells; (C–F) strong ridges and ribs in slight disorder, microcells open or closed; (G, H) wispy material in microcells.
Figure 7 in Microstructures and nanostructures of high Andean Penaincisalia lycaenid butterfly scales (Lepidoptera: Lycaenidae): descriptions and interpretations
Figure 7. Illustration showing the principle of regular, three-dimensional arrangement of two materials with different indexes of refraction, n1 and n2.
Figure 1 in Microstructures and nanostructures of high Andean Penaincisalia lycaenid butterfly scales (Lepidoptera: Lycaenidae): descriptions and interpretations
Figure 1. Lycaenid butterfly species investigated showing male dorsal wing surfaces. (A) Penaincisalia aurulenta Johnson, 1990 (Peru: PN Huascarán, Quebrada Demanda; HNHM); (B) Penaincisalia perezi Bálint, 2001 (Peru: PN Husacarán; Llanganuco; HNHM paratype); (C) Penaincisalia culminicola (Staudinger, 1894) (Peru: PNB Huascarán, Llanganuco; HNHM); (D) Thecloxurina loxurina (Felder and Felder, 1865) (Ecuador: Carchi, Res. Forest. Golondrinas; HNHM); (E) Thecloxurina atymna (Hewitson, 1870) (Ecuador: Zamora, Cord. Lagunillas; HNHM); (F) Thecloxurina atymna (Hewitson, 1870) (Ecuador: Azuay, Cuenca; HNHM).
Figure 2 in Microstructures and nanostructures of high Andean Penaincisalia lycaenid butterfly scales (Lepidoptera: Lycaenidae): descriptions and interpretations
Figure 2. Scanning electron micrographs of Penaincisalia aurulenta scale microstructures. (A) Tile- and shovelshaped scales with dentate anterior margins; (B) longitudinal ridges with flutes, straight cross ribs; (C) widely open microcells, wispy internal structures; (D) widely open microcells, deep-laying pepper-pot structures.
Figure 5 in Microstructures and nanostructures of high Andean Penaincisalia lycaenid butterfly scales (Lepidoptera: Lycaenidae): descriptions and interpretations
Figure 5. Scanning electron micrographs of Thecloxurina loxurina scale microstructures. (A) Tile- or shovel-shaped scales with anterior dentation; (B) no anterior dentation; (C) moderate longitudinal ridges with flutes, curved cross ribs, pepper-pot layers; (D) deep-laying pepper-pot layers; (E) high longitudinal ridges, very closely set v-shaped cross ribs; (F) microcells with small circular opening in abyss.
Figure 3 in Microstructures and nanostructures of high Andean Penaincisalia lycaenid butterfly scales (Lepidoptera: Lycaenidae): descriptions and interpretations
Figure 3. Scanning electron micrographs of Penaincisalia perezi scale microstructures. (A) Tile- and shovel-shaped scales with dentate anterior margins; (B) low longitudinal ridges with flutes, straight cross ribs, open microcells, deep-laying pepper-pot structures; (C) moderate longitudinal ridges, curved cross-ribs, pepper-pot layers; (D) high longitudinal ridges, v-shaped cross ribs, small circular opening in microcell abyss.
Hydrothermal Synthesis of Ni3TeO6 and Cu3TeO6 Nanostructures for Magnetic and Photoconductivity Applications
<p>See the reference:</p> <p>Fernández-Catalá, J.; Singh, H.; Wang, S.; Huhtinen, H.; Paturi, P.; Bai, Y.; Cao, W <em>ACS Appl. Nano Mater.</em> <strong>2023 </strong>(https://doi.org/10.1021/acsanm.3c00630)</p>
Freeform topology optimized, dispersive nanostructures for field confinement
<p>Provides the 3D topology optimized nanostructures as STL files, as well as the Lumerical files used to validate their performance presented in the article "Time-Domain Topology Optimization of Arbitrary Dispersive Materials for Broadband 3D Nanophotonics Inverse Design" (https://doi.org/10.1021/acsphotonics.3c00572).</p>
Data and code from: Evolution of brilliant iridescent feather nanostructures
Open the record for dataset details and reuse information.
Engineering surgical face masks with photothermal and photodynamic plasmonic nanostructures for enhancing filtration and on-demand pathogen eradication_[photothermal properties]
<p>Engineering surgical face masks with photothermal and photodynamic plasmonic nanostructures for enhancing filtration and on-demand pathogen eradication: photothermal properties</p>
Data for "Laser Nanostructured Metasurfaces in Nb Superconducting Thin Films"
<p>Dataset for the article entitled "Laser Nanostructured Metasurfaces in Nb Superconducting Thin Films", submitted to the journal Applied Surface Science.</p><p>Contains original experimental data:</p><p>- SEM images with EDS</p><p>- TEM images</p><p>- SQUID magnetic measurements</p>
Impact of Catalysis-Relevant Oxidation and Annealing Treatments on Nanostructured GaRh Alloys
<p>Dataset of "Impact of Catalysis-Relevant Oxidation and Annealing Treatments on Nanostructured GaRh Alloys"</p>
Design and assembly of core/shell nanostructures as investigated by microfluidics and molecular dynamics simulation_dataset_DLS_TEM_MD
<p><span>He we like to publish data related to modified and non-modified MSN cores analysed using microfluidics platform against acetalated dextran (AcDEX)/spermine modified acetalated dextran (SpAcDEX) polymers. </span></p> <p><span>The data contains Dynamic light scattering (DLS) and TEM images which help us to to the demarcation of combinations which formed successful core/shell particles along with, <em>in-silico</em> modelling and molecular dynamics (MD) simulations data showing molecular interactions between the core particles and <a>the encapsulant </a></span><span><span></span></span><span>polymer. </span></p>
Raw Data of the plots presented in the article entitled "Minute-Made, High-Efficiency Nanostructured Bi2Te3 via High-Throughput Green Solution Chemical Synthesis"
<p>This is the collection of raw data for the graphical items presented in the article with given details. </p> <p>This research has received funding from the Swedish Energy Agency (43521-1) and in part by Swedish Research Agency Council (VR, 2018-03462) and the European Union’s Horizon 2020 research and innovation program under the grant agreement No 863222.</p>
Preliminary findings on the bioaccumulation and marine trophic transfer of the antifouling biocide DCOIT in soluble and nanostructured forms (FAIR dataset)
<p>The present dataset includes the raw data regarding the bioaccumulation, trophic transfer, and biomagnification of DCOIT, in the soluble and nanostructured forms, in the marine bivalve <em>Mytillus galloprovincialis</em>, using three different uptake routes. This data supports the main findings of the study that both forms of the biocide can be trophically transferred as well as suggests that encapsulation is a good strategy to minimize biocidal bioaccumulation and thus protect marine ecosystems. </p>
Insightful studies of AuCu nanostructures deposited on Ti platform: Effect of rapid thermal annealing on photoelectrochemical activity supported by synchrotron radiation studies
<p>The following dataset contains research data that is the basis of the research article:</p> <p>"Insightful studies of AuCu nanostructures deposited on Ti platform: Effect of rapid thermal annealing on photoelectrochemical activity supported by synchrotron radiation studies"</p> <p>Contents of the package are the following:</p> <p>a) Experimental results of UV-vis absorbance for A-10AuCu/TiND, V-10AuCu/TiND, AR-10AuCu/TiND, H-10AuCu/TiND</p> <p>b) Linear voltammetry carried out in 0.1 M NaOH for A-10AuCu/TiND, V-10AuCu/TiND, AR-10AuCu/TiND, H-10AuCu/TiND (dark/vis)</p> <p>c) XAS for A-10AuCu/TiND and H-10AuCu/TiND</p> <p>d) XPS for A-10AuCu/TiND, V-10AuCu/TiND, AR-10AuCu/TiND, H-10AuCu/TiND</p>
Research Data - Magnetic Field Controlled Surface Localization of Spin-Wave Ferromagnetic Resonance Modes in 3D Nanostructures
<p>Source data from micromagnetic simulations performed in COMSOL Multiphysics software and Python codes for data post-processing utilized in the paper "Magnetic Field Controlled Surface Localization of Spin-Wave Ferromagnetic Resonance Modes in 3D Nanostructures."</p> <p>The files from Comsol (.mph) are without simulation solutions due to their large size - please contact me if needed.</p>
Immobilized Different Shape Gold Nanostructures on Printing Paper for Lable-Free Surface-enhanced Raman Spectroscopy
<p>Surface Enhanced Raman Spectroscopy (SERS) is spectroscopic technique of a label-free with high selectivity, and sensitivity.</p> <p><strong>Methods and Materials:</strong> Paper-based SERS active substrates with different grade gram per square meter (GSM) were prepared by adsorbing 40 nm spherical GNP and 40nm star-shaped gold nanostructures GNS. Besides the SERS evaluation and optimization, morphological parameters were found to strongly affect the substrates. The developed substrate was tested by the Raman reporter dye Methylene Blue (MB).</p> <p><strong>Results:</strong> These paper-based SERS active substrates are simple to prepare, easy to handle and cheap solid SERS substrates.</p> <p><strong>Conclusion: </strong>GNS with 135 GSM printing paper can easily use as highly active SERS active substrates, with enhancement factor EF= 10<sup>5</sup>.</p>
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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.