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431 results for “nano”
Effect of Nano-curcumin Supplementation in Acute Pancreatitis
ClinicalTrials.gov study NCT04989166. IPD Sharing: Not stated. Countries: 1. Publications: 1.
Nano-X Image Guidance: CBCT With Gravity-induced Motion
ClinicalTrials.gov study NCT04488224. IPD Sharing: YES. Countries: 0. Publications: 1.
Clinical Evaluation of SI-R21204 Versus Nano-hybrid Resin Composite: A Prospective Controlled Clinical Trial
ClinicalTrials.gov study NCT02823769. IPD Sharing: NO. Countries: 1. Publications: 1.
Evaluation of Post-Operative Pain Following the Use of Nano-Calcium Hydroxide
ClinicalTrials.gov study NCT07057336. IPD Sharing: NO. Countries: 1. Publications: 1.
Data from: Direct nano-electrospray ionization tandem mass spectrometry for quantification and identification of metronidazole in its dosage form and human urine
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Divalent cations bind to phosphoinositides to induce ion and isomer specific propensities for nano-cluster initiation in bilayer membranes
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Data from: <em>In vitro</em> anti-tick effect of <em>Eucalyptus globulus</em> oil and its nano-emulsion against unfed adults of the brown dog tick <em>Rhipicephalus sanguineus</em> sensu lato (Acari: Ixodidae)
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Transformable nano-antibiotics for mechanotherapy and immune activation against drug-resistant Gram-negative bacteria
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Decolorization of crystal violet using nano-sized novel fluorite structure Ga2Zr2-xWxO7 photocatalyst under visible light irradiation
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Size group (pico, nano, micro) and group total carbon estimates from cell counts via epifluorescent microscopy (EPI) of heterotrophic and autotrophic plankton from CCE LTER process cruises in the California Current region, 2006 - 2016
Microbial community assemblages of the California Current Ecosystem (CCE) are assessed for biomass of heterotrophic (dinoflagellate and other eukaryotes) and autotrophic (dinoflagellate and other eukaryotes) plankton using high-throughput digital epifluorescence microscopy (EPI). Samples to estimate the nano- and microplankton (0.2-2.0-µm and 2.0-20-µm size, respectively) are collected at various depths, preserved, stained, and filtered onto a membrane filter and mounted on a glass microscope slide aboard the process cruises (since 2006, ongoing). Slides are then frozen at -80°C for subsequent imaging and analysis in the laboratory onshore. Carbon biomass is computed from cell biovolumes.
Size group (pico, nano, micro) and group total carbon estimates from cell counts via epifluorescent microscopy (EPI) of heterotrophic and autotrophic plankton from CCE-CalCOFI Augmented cruises in the California Current System, 2004 - 2011 (ongoing).
Microbial community assemblages of the California Current Ecosystem (CCE) are assessed for biomass of heterotrophic (dinoflagellate and other eukaryotes) and autotrophic (dinoflagellate and other eukaryotes) plankton using high-throughput digital epifluorescence microscopy (EPI). Samples to estimate the nano- and microplankton (0.2-2.0-µm and 2.0-20-µm size, respectively) are collected at various depths via Niskin bottles, preserved, stained, and filtered onto a membrane filter and mounted on a glass microscope slide aboard the quarterly CalCOFI survey cruises (since 2004, ongoing). Slides are then frozen at -80°C for subsequent imaging and analysis in the laboratory onshore. Carbon biomass is computed from cell biovolumes.
Data, Rcode and Supplementary Materials for: Effects of virgin micro- and nano-plastics on fish: Trends, meta-analysis and perspectives
<p><strong>Review_MNNP_Fish</strong></p> <p>Data, Rcode and Supplementary Materials for: Effects of virgin micro- and nano-plastics on fish: Trends, meta-analysis and perspectives</p> <p><strong>Supplementary_Information_1.pdf</strong>:<br> This document contains a list of names that are used in the database (see Supplementary_Information_2) to describe the biological endpoints investigated within the 46 studies that we have reviewed</p> <p><strong>Supplementary_Information_2.xlsx</strong>:<br> This document contains 6 sheets:</p> <ul> <li>'Database' sheet: contains the full database compiling the 46 studies and 782 biological endpoints analyzed in this review paper.</li> <li>'INFO' sheet: contains the information to understand how MP/NP sizes and concentrations were attributed to classes</li> <li>'Size_Class_analytics' sheet: contains the analyzed data (from the database) regarding MP/NP size classes and effects on fish biological functions. This sheet is used to build Figure 4.</li> <li>'Mass_Conc_analytics' sheet: contains the analyzed data (from the database) regarding MP/NP mass concentration classes and effects on fish biological functions. This sheet is used to build Figure 4.</li> <li>'Part_Conc_analytics' sheet: contains the analyzed data (from the database) regarding MP/NP particle concentration classes and effects on fish biological functions. This sheet is used to build Figure 4.</li> <li>'Exposure_Path_analytics' sheet: contains the analyzed data (from the database) regarding MP/NP exposure pathway and effects on fish biological functions. This sheet is used to build Figure 3.</li> </ul> <p><strong>Plabib_Fig2.xlsx</strong>:<br> This document contains the data necessary to build Figure 2 of this review paper. Data has been extracted from Supplementary_Information_2 database.</p> <p><strong>Plabib_Fig3_pie.txt</strong>:<br> This document contains the data necessary to build Figure 3 pie chart. Data has been extracted from Supplementary_Information_2 database.</p> <p><strong>PlaBib_Rcode_forFigures.R</strong>:<br> This document contains the Rcode necessary to build all figures from this manuscript</p>
Data from: Spiders spinning electrically charged nano-fibres
Most spider threads are on the micrometre and sub-micrometre scale. Yet, there are some spiders that spin true nano-scale fibres such as the cribellate orb spider, Uloborus plumipes. Here, we analyse the highly specialized capture silk-spinning system of this spider and compare it with the silk extrusion systems of the more standard spider dragline threads. The cribellar silk extrusion system consists of tiny, morphologically basic glands each terminating through exceptionally long and narrow ducts in uniquely shaped silk outlets. Depending on spider size, hundreds to thousands of these outlet spigots cover the cribellum, a phylogenetically ancient spinning plate. We present details on the unique functional design of the cribellate gland–duct–spigot system and discuss design requirements for its specialist fibrils. The spinning of fibres on the nano-scale seems to have been facilitated by the evolution of a highly specialist way of direct spinning, which differs from the aqua-melt silk extrusion set-up more typical for other spiders.
Data from: The adsorption features between insecticidal crystal protein and Nano-Mg(OH)2
Nano-Mg(OH)2, with low biological toxicity, is an ideal nano-carrier for insecticidal protein to improve the bioactivity. In this work, the adsorption features of insecticidal protein by nano-Mg(OH)2 have been studied. The adsorption capacity could achieve as high as 136 mg/g, and the adsorption isotherm had been fitted with Freundlich model. Moreover, the adsorption kinetics followed pseudo-first or -second order rate model, and the adsorption was spontaneous and exothermic process. However, the high temperatures are not suitable to adsorption, which implies that the temperature would be a critical factor during the adsorption process. In addition, FT-IR confirmed that the protein was adsorbed on the nano-Mg(OH)2, the Zeta potential analysis suggested that insecticidal protein was loaded onto the nano-Mg(OH)2 not by electrostatic adsorption but might by intermolecular forces, and the circular dichroism (CD) spectroscopy of Cry11Aa protein before and after loading with nano-Mg(OH)2 was changed. The study applied the adsorption information between Cry11Aa and nano-Mg(OH)2, which would be useful in the real appilation of nano-Mg(OH)2 as a nano-carrier.
Data from: Heterogeneous and efficient transesterification of Jatropha curcas L. seed oil to produce biodiesel catalyzed by nano-sized SO42-/TiO2
Developing high-efficiency hetero-catalysts for transesterification reaction is of great importance in the production of biodiesel from Jatropha curcas L. seed oil (JO). Here, we synthesized a series of sulfated TiO2 by treating with varying H2SO4 concentration (xSO42-/TiO2) and TiO2 catalysts and applied to the transesterification of JO. Furthermore, these heterostructures were characterized by many characterization methods including XRD, FT–IR, N2–adsorption, SEM, TEM, TG, py-IR and NH3-TPD, and their catalytic performance were investigated under various operating conditions. The results reveal that both the Brønsted and Lewis acid sites are presented in the xSO42-/TiO2 catalysts, while only Lewis-type sites are observed in the TiO2 catalyst. And the acid intensity, surface area and mesoporous volume of catalysts are improved obviously after treating with sulfuric acid of TiO2. Then the xSO42-/TiO2 catalysts exhibit much higher catalytic activity than TiO2 catalyst, which is attributed to the larger surface area and mesoporous volume and stronger acidity. Furthermore, the reusability behavior of 1.5SO42-/TiO2 catalyst in transesterification of JO was also studied.
Data from: Modeling angle-resolved photoemission of graphene and black phosphorus nano structures
Angle-resolved photoemission spectroscopy (ARPES) data on electronic structure are difficult to interpret, because various factors such as atomic structure and experimental setup influence the quantum mechanical effects during the measurement. Therefore, we simulated ARPES of nano-sized molecules to corroborate the interpretation of experimental results. Applying the independent atomic-center approximation, we used density functional theory calculations and custom-made simulation code to compute photoelectron intensity in given experimental setups for every atomic orbital in poly-aromatic hydrocarbons of various size, and in a molecule of black phosphorus. The simulation results were validated by comparing them to experimental ARPES for highly-oriented pyrolytic graphite. This database provides the calculation method and every file used during the work flow.
Data from: The relationship between substrate morphology and biological performances of nano-silver-loaded dopamine coatings on the titanium surfaces
Biomedical device-associated infection(BAI) and lack of osseointegration are the main causes of implant failure. Therefore, it is imperative for implant not only to depress microbial activity and biofilm colonization but also to prompt osteoblast functions and osseointegration. As part of the coating development for implants, the interest of in vitro studies on the interaction between implant substrate morphology and biological performances is growing. In this study, by harnessing the adhesion and reactivity of bioinspired polydopamine, nano-silver were successfully anchored onto micro/nanoporous as well as smooth titanium surfaces to analyze the effect of substrate morphology on biological performances of the coatings. Compared with smooth surface, small size of nano-Ag and high Ag content was found on the micro/nanoporous surface. More mineralization happened on the coating on micro/nanoporous structure than on smooth surface, which led to a more rapid decrease of Ag release from micro/nanoporous surface. Antimicrobial tests indicated that both surfaces with resulting coating inhibit microbial colonization on them and growth around them, indicating that the coating eliminates the shortcoming of porous structure which render the implant extremely susceptible to BAI. Besides, the multiple osteoblast responses of nano-Ag-loaded dopamine coatings on both surfaces, i.e. attachment, proliferation and differentiation, have deteriorated, however the mineralized surfaces of these coatings stimulated osteoblast proliferation and differentiation, especially for the micro/nanoporous surface. So the resulting coatings on micro/nanoporous substratum may not only reduce the risk of infection but also facilitate mineralization during the early post-operative period and then promote osseointegration due to good osteoblast-biocompatibility of the mineralized surface. These results highlight the influence of the substrate morphology on the biological performances of implant coating.
Data from: Electrospinning preparation of oxygen-deficient nano TiO2-x/carbon fibre membrane as a self-standing high performance anode for Li-ion batteries
Improving the specific capacity and electronic conductivity of TiO2 can boost its practical application as a promising anode material for lithium ion batteries. In this work, a three-dimensional networking oxygen-deficient nano TiO2-x/carbon fibre membrane was achieved by combining the electrospinning process with a hot-press sintering method and directly used as a self-standing anode. With the synergistic effects of three-dimensional conductive networks, surface oxygen deficiency, high specific surface area and high porosity, binder-free and self-standing structure, etc., the nano TiO2-x/carbon fibre membrane electrode displays a high electrochemical reaction kinetics and a high specific capacity. The reversible capacity could be jointly generated from porous carbon, full-lithiation of TiO2 and interfacial lithium storage. At a current density of 100 mA g−1, the reversible discharge capacity can reach 464 mA h g−1. Even at 500 mA g−1, the discharge capacity still remains at 312 mA h g−1. Compared with pure carbon fibre and TiO2 powder, the TiO2-x/C fibre membrane electrode also exhibits an excellent cycle performance with a discharge capacity of 209 mA h g−1 after 700 cycles at the current density of 300 mA g−1, and the coulombic efficiency always remains at approximately 100%.
FIGURES 9–26 in Molecular phylogeny in ' nano-weevils': description of a new subgenus Nanoacalles and two new species of Calacalles from the Macaronesian Islands (Curculionidae: Cryptorhynchinae)
FIGURES 9–26. Comparison of the endophalli of all known Calacalles species.
Nano-pulling stimulates axon regeneration in dorsal root ganglia by inducing stabilization of axonal microtubules and activation of local translation
<p>Data and metadata associated to the paper </p><p><strong>doi:</strong> https://doi.org/10.1101/2023.10.29.564574</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.