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1,175 results for “Coating”
Data from: Seeing spots: quantifying mother-offspring similarity and assessing fitness consequences of coat pattern traits in a wild population of giraffes (Giraffa camelopardalis)
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Data from: Preparation and characterization of water-borne alkyd-amino baking coatings based on waste PET
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Characterization of Ta/TaN multi-graded thin film coating synthesized by HiPIMS technique
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Data from: A genome-wide scan study identifies a single nucleotide substitution in ASIP associated with white versus non-white coat-colour variation in sheep (Ovis aries)
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Data for: Modelling the surprising recolonisation of an understudied aquatic mammal in a highly urbanised area: Fortune favored the Smooth-coated otter in Singapore
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Data from: Ancient onset of geographic divergence, interpopulation genetic exchange, and natural selection on the Mc1r coat-color gene in the house mouse (Mus musculus) inferred from tandemly arranged nuclear gene markers
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Data from: Selection and microevolution of coat pattern are cryptic in a wild population of sheep
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Data from: Corrosion resistance of graphene/waterborne epoxy composite coatings in CO2-satarated NaCl solution
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R-locus for roaned coat is associated with a tandem duplication in an intronic region of USH2A in dogs and also contributes to Dalmatian spotting
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Five genetic variants explain over 70% of hair coat pheomelanin intensity variation in purebred and mixed breed domestic dogs - Supporting information
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Bovine Serum Albumin (BSA)/Polyacrylonitrile (PAN) Biohybrid Nanofibers Coated with a Biomineralized Calcium Deficient Hydroxyapatite (HA) Shell for Wound Dressing
<p>Here, for the first time, a nanofibrous (NF) wound dressing is developed based on biomineralized polyacrylonitrile<br> (PAN) nanofibers. In contrast to the majority of the currently available nanofibrous wound dressings that are based on<br> natural polymers, PAN employed in this study is a synthetic, industrial polymer that has rarely been considered for this<br> purpose. PAN NFs are first hydrolyzed to allow for tethering of biofunctional agents (here Bovine Serum Albumin<br> (BSA)). Later, the biofunctionlized PAN NFs are induced to biomineralize by immersion in simulated body fluid (SBF).<br> As a result, core-shell, calcium deficient hydroxyapatite (HA)/BSA/PAN nanofibers form, that are larger in<br> diameter (318 vs. 298 nm) and mechanically stronger (elastic modulus; 8.5 vs. 6 MPa) compared to the untreated PAN<br> NFs. The biomineralized PAN NFs showed promising bioactivity as reflected in the cell biology tests with fibroblast and<br> keratinocyte cells. Hs68 fibroblasts and HaCat keratinocytes were found to be more viable in the presence of the<br> biomineralized NFs than when they were co-cultured with the neat PAN NFs. Such mechanical and biological<br> characteristics of the novel PAN NFs are favorable for wound dressing applications. More importantly, given the simple<br> and cost-effective surface treatment approach presented here and the widely available knowledge for large scale,<br> industrial processing of PAN, the present nanofibrous material holds promise for medical translation and further<br> investigations leading to commercialization strategies.</p>
Trajectory and input files for "Coating of magnetic nanoparticles affects their interactions with model cell membranes"
<p>Input and output files, including trajectories, for the study published in BBA - General Subjects :</p> <p>"Coating of magnetic nanoparticles affects their interactions with model cell membranes"</p> <p>https://doi.org/10.1016/j.bbagen.2020.129671</p>
SEM images of gold palladium coated epoxy casts. Scale = 0.60 mm in Late Middle Eocene bats from the Creechbarrow Limestone Formation, Dorset, southern England with description of a new species of Archaeonycteris (Chiroptera: Archaeonycteridae)
SEM images of gold palladium coated epoxy casts. Scale = 0.60 mm
Data from: Chromium oxide coatings with the potential for eliminating the risk of chromium ion release in orthopaedic implants
Chromium oxide coatings prepared by radiofrequency reactive magnetron sputtering on stainless steel substrates were exposed to Ringer's physiological solution and tested for their electrochemical corrosion stability using an open circuit potential measurement, potentiodynamic polarization, electrochemical impedance spectroscopy and Mott–Schottky analysis. The coatings were found to be predominantly Cr2O3, based on the observation of the dominance of A1gA1g and Eg symmetric modes in our Raman spectroscopic investigation and the Eu vibrational modes in our Fourier transform infrared spectroscopic measurements on the coatings. We investigated for the presence of chromium ions in Ringer's solution after all of the above electrochemical tests using atomic absorption spectroscopy, without finding a trace of chromium ions at the ppm level for coatings tested under open circuit and at the lower potentials implants are likely to experience in the human body. The coatings were further exposed to Ringer's solution for one month and tested for adhesion strength changes, and we found that they retained substantial adhesion to the substrates. We expect this finding to be significant for future orthopaedic implants where chromium ion release is still a major challenge.
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: Electrochemical performance of ZnO-coated Li4Ti5O12 composite electrodes for lithium-ion batteries with the voltage ranging from 3 to 0.01 V
Oxide is widely used in modifying cathode and anode materials for lithium ion batteries. In this work, a facial method of radio magnetron sputtering is introduced to deposit a thin film on Li4Ti5O12 composite electrodes. The pristine and modified Li4Ti5O12 electrodes are characterized at an extended voltage range of 3-0.01 V. The reversible capacity reach a high level of 286 mAh g-1, which is a little less than its theoretical capacity (293 mAh g-1). Electrodes modified by ZnO thin films with various thickness show elevated rate capability and improved cycle performance.
Data from: Improved mould-resistance and antibacterial activity of bamboo coated with ZnO/graphene
Bamboo is easier to mould and attack by fungi because of its higher content of starch and sugar. To make bamboo-based outdoor materials,a new type bamboo timber with improved mould-resistance and antibacterial activity, coated with reduced graphene oxide and nano crystal ZnO (abbreviated as RGO@ZnOBT), was fabricated by two steps of dip-dry and hydro-thermal process. A possible synthesis mechanism of RGO@ZnOBT making were discussed by X-ray diffraction, scanning electron microscopy, transmission electron microscope, energy-dispersal X-ray analysis, X-ray photo-electron spectroscopy, and Fourier transform infrared spectroscopy. According to the China standard test method, the Aspergillus niger mould resistance of RGO@ZnOBT is grade 2, meanwhile the Trichoderma virideduring ang Penicillium citrinum mould resistance of RGO@ZnOBT are grade 0, which are better than the grade 4 of original bamboo timber (abbreviated as BT). The Escherichia coli resistance test showed that antibacterial circle of RGO@ZnOBT is 3 mm, which is greatly higher than BT (0 mm). The antibacterial activity of treated bamboo is greatly significantly improved.
Data from: The MC1R and ASIP coat color loci may impact behavior in the horse
Shared signaling pathways utilized by melanocytes and neurons result in pleiotropic traits of coat color and behavior in many mammalian species. For example, in humans polymorphisms at MC1R cause red hair, increased heat sensitivity, and lower pain tolerance. In deer mice, rats, and foxes, ASIP polymorphisms causing black coat color lead to more docile demeanors and reduced activity. Horse (Equus caballus) base coat color is primarily determined by polymorphisms at the Melanocortin-1 Receptor (MC1R) and Agouti Signaling Protein (ASIP) loci, creating a black, bay, or chestnut coat. Our goal was to investigate correlations between genetic loci for coat color and temperament traits in the horse. We genotyped a total of 215 North American Tennessee Walking Horses for the 2 most common alleles at the MC1R (E/e) and ASIP (A/a) loci using previously published PCR and RFLP methods. The horses had a mean age of 10.5 years and comprised 83 geldings, 25 stallions, and 107 mares. To assess behavior, we adapted a previously published survey for handlers to score horses from 1 to 9 on 20 questions related to specific aspects of temperament. We utilized principle component analysis to combine the individual survey scores into 4 factors of variation in temperament phenotype. A factor component detailing self-reliance correlated with genotypes at the ASIP locus; black mares (aa) were more independent than bay mares (A_) (P = 0.0063). These findings illuminate a promising and novel animal model for future study of neuroendocrine mechanisms in complex behavioral phenotypes.
Data from: Silver nanoparticles as a medical device in healthcare settings: a five-step approach for candidate screening of coating agents
Silver nanoparticle-based antimicrobials can promote a long lasting bactericidal effect without detrimental toxic side effects. However, there is not a clear and complete protocol to define and relate the properties of the particles (size, shape, surface charge, ionic content) with their specific activity. In this paper, we propose an effective multi-step approach for the identification of a 'purpose-specific active applicability window' to maximize the antimicrobial activity of medical devices containing silver nanoparticles (Ag NPs) (such as surface coaters), minimizing any consequent risk for human health (safety by design strategy). The antimicrobial activity and the cellular toxicity of four types of Ag NPs, differing in their coating composition and concentration have been quantified. Through the implementation of flow-field flow fractionation, Ag NPs have been characterized in terms of metal release, size and shape. The particles are fractionated in the process while being left unmodified, allowing for the identification of biological particle-specific contribution. Toxicity and inflammatory response in vitro have been assessed on human skin models, while antimicrobial activity has been monitored with both non-pathogenic and pathogenic Escherichia coli. The main benefit associated with such approach is the comprehensive assessment of the maximal effectiveness of candidate nanomaterials, while simultaneously indexing their properties against their safety.
Supporting material for the data on the in-situ formation of Zr conversion coating on Al2024
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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.