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5,292 results for “implants”
Data for: Marking through moults: An evaluation of visible implant elastomer to permanently mark individuals in a lower termite species
<p class="FirstParagraph">1. Advances in individual marking methods have facilitated detailed studies of animal populations and behaviour as they allow tracking of individuals through time and space. Hemimetabolous insects, representing a wide range of commonly-used model organisms, present a unique challenge to individual marking as they are not only generally small-bodied, but also moult throughout development, meaning that traditional surface marks are not persistent.</p> <p class="FirstParagraph">2. Visible implant elastomer (VIE) offers a potential solution as small amounts of the inert polymer can be implanted under the skin or cuticle of an animal. VIE has proved useful for individually marking fish, crustaceans and amphibians in both field and laboratory studies, and has recently been successfully trialled in laboratory populations of worms and fly larvae. We trialled VIE in the single-piece nesting termite <i>Zootermopsis angusticollis</i>, a small hemimetabolous insect.</p> <p class="FirstParagraph">3. We found that there was no effect of VIE on survival and that marks persisted following moulting. However, we found some evidence that marked termites performed less allogrooming and trophallaxis than controls, although effect sizes were very small.</p> <p class="FirstParagraph">4. Our study suggests that VIE is an effective technique for marking small hemimetabolous insects like termites but we advocate that caution is applied, particularly when behavioural observation is important.</p>
Molecular Dynamics Simulation of Solar Wind Implantation in the Permanently Shadowed Regions on the Lunar Surface
<p>Supporting data for "Molecular Dynamics Simulation of Solar Wind Implantation in the Permanently Shadowed Regions on the Lunar Surface"</p>
Locus coeruleus activity improves cochlear implant performance
<p>Data set for: Glennon E, Valtcheva S, Zhu A, Wadghiri YZ, Svirsky MA, Froemke RC. Locus coeruleus activity improves cochlear implant performance. Nature. <em>Provisionally accepted.</em></p> <p>Each file contains the source data for individual figures. </p>
Raw Data to manuscript on "Oxidation of a Zirconium Nitride Multilayer Covered Knee Implant after Two Years in Clinical Use"
<p>This dataset contains the raw data for the manuscript "Oxidation of a Zirconium Nitride Multilayer Covered Knee Implant after Two Years in Clinical Use", especially TEM, APT and SIMS data</p>
Biological and technical complications of tilted implants in comparison to straight implants supporting fixed dental prostheses: A systematic review and meta-analysis
<p>Dataset for all meta-analyses performed in the paper, which is submitted in Clin Oral Implants Res.<br> <br> For each outcome, the main dataset is to be used for all main analyses/subgroup analyses/sensitivity analyses. A separate version of each outcome dataset exists for the subgroup analysis according to jaw (as it included separate trial arms for maxilla and mandible).</p>
Dataset for strain-localisation in helium implanted tungsten: CPFE, Laue diffraction, AFM
<p>The folder includes dataset for helium-implanted tungsten and pure tungsten. The data includes measurement of the following for both materials as observed experimentally, and predicted using crystal-plasticity simulations:</p> <p>1. Surface morphology of nano-indents,</p> <p>2. Lattice-distortions around and under nano-indents</p> <p>3. Computed geometrically necessary dislocations field around and under nano-indents in both materials</p> <p>4. Load-displacement curves</p> <p>Guidelines for using dataset:</p> <p>1. Extracting the folder will generate five individual folders</p> <p>2. In the AFM plots folder, use the matlab code and dataset in the the folder to generate the surface morphology of nano-indents.</p> <p>3. In the "CPFE implanted sample data" folder --> use "CPFE implanted matlab code" --> load "variables2" --> run the code (raw data is also provided in the folder)</p> <p>4. In the "CPFE unimplanted sample data" folder --> use "CPFE unimp matlab code" --> load "variables3" --> run the code (raw data is also provided in the folder)</p> <p>5. In the "Laue unimplanted data" folder --> use matlab code with relevant raw data provided in folder</p> <p>6. In the "Laue implanted data" folder --> use matlab code with relevant raw data provided in folder</p> <p>7. Excel sheet provides nano-indentation and CPFE predictions of load-displacement curves</p> <p>8. The folder "HR-EBSD code and data" includes related raw data and codes.</p>
Fig. 2 in Effect of anesthetic, tag size, and surgeon experience on postsurgical recovering after implantation of electronic tags in a neotropical fish: Prochilodus lineatus (Valenciennes, 1837) (Characiformes: Prochilodontidae)
Fig. 2. Examples of tag expulsion (left) and antenna migration (right) of Prochilodus lineatus.
Fig. 3 in Effect of anesthetic, tag size, and surgeon experience on postsurgical recovering after implantation of electronic tags in a neotropical fish: Prochilodus lineatus (Valenciennes, 1837) (Characiformes: Prochilodontidae)
Fig. 3. Healthy (left) and infected (right) viscera on necropsy of Prochilodus lineatus.
Fig. 1 in Effect of anesthetic, tag size, and surgeon experience on postsurgical recovering after implantation of electronic tags in a neotropical fish: Prochilodus lineatus (Valenciennes, 1837) (Characiformes: Prochilodontidae)
Fig. 1. Criteria and examples for the surgical and postsurgical rankings.
Dataset related to article "Gradient-induced vibrations and motion-induced Lenz effects on conductive nonmagnetic orthopedic implants in MRI"
<p>Set of data reported in the tables and figures of the article entitled "Gradient-induced vibrations and motion-induced Lenz effects on conductive nonmagnetic orthopedic implants in MRI", published in Magnetic Resonance in Medicine with DOI:10.1002/mrm.30263.</p> <p><span>The results presented here have been developed in the framework of the 21NRM05 STASIS Project. The Project has received funding from the European Partnership on Metrology, co-financed from the European Union’s Horizon Europe Research and Innovation Programme and by the Participating States. </span></p>
Implantation of abdominal imaging windows on the mouse kidney
<p>This video describes the surgical process of implanting an abdominal imaging window (AIW) on the kidney of mice. This window can be used for acute or longitudinal imaging. All experiments have been reviewed and approved by the local authorities (Landesdirektion Sachsen).</p> <p>Implantation of chronic abdominal windows allows for microscopical investigation of highly dynamic processes in physiological and pathological circumstances and is generally tolerated well by experimental animals. It enables insights which otherwise could only be obtained using high numbers of experimental animals. The method can be regarded as reduction approach in terms of 3R implementation.</p> <p>This upload contains the full version and is distributed under CC BY-ND 4.0 license to inhibit decontextualized misuse. Please check license terms for usage, especially for remixing/transforming! If you want to remix the material, get in contact with the author.</p>
Repeated autologous fat grafting significantly increases mas-tectomy flap thickness in prepectoral multi-stage composite expander-to-implant breast reconstruction: exploring the con-cept of a reverse expansion
<p>Supplementary material 1 (Video): MRI sequences of a 37-year-old (A), 44-year-old (B) and 46-year-old (C) patient after bilateral mastectomy, sparing both the skin and nipple-areolar com-plexes, with prepectoral insertion of a breast tissue expander. These sequences were captured be-fore repeated sessions of autologous fat grafting to the mastectomy flap and reverse expansion of the expander. In D, E, and F, the corresponding MRI sequences were performed 3 months after 3 sessions of autologous fat grafting each and the exchange of the expander with a definitive im-plant.</p> <p>Supplementary material 2 (Video): Repeated contraction of bilateral pectoralis major muscles in a 37-year-old (A), 44-year-old (B) and 46-year-old (C) patient after bilateral mastectomy sparing both the skin and nipple-areolar complexes, with prepectoral expander-to-implant breast reconstruction and repeated autologous fat grafting sessions while gradually deflating the ex-pander. Note the almost complete absence of breast animation, even in the 44-year-old patient having the implant stabilized with a synthetic, non-absorbable mesh to prevent caudal “bottom-ing out” and lateral migration.</p>
Dataset for published paper: Mode Conversion Trimming in Asymmetric Directional Couplers Enabled by Silicon Ion Implantation
<p>This dataset contains the measurement results described in the paper 'Mode Conversion Trimming in Asymmetric Directional Couplers Enabled by Silicon Ion Implantation'.</p>
Deciphering the low abundance microbiota of presumed aseptic hip and knee implants
<p><strong>Deciphering the low abundance microbiota of presumed aseptic hip and knee implants</strong></p> <p>This data set includes input files and results associated with our work "Deciphering the low abundance microbiota of presumed aseptic hip and knee implants".</p> <p><strong>Contents</strong></p> <p><em>aitch_dist.txt</em>: Aitchison distance matrix</p> <p><em>clinical_envfit.RData</em>: envfit results for clinical information</p> <p><em>contam_by_freq_0.2.txt</em>: decontam results (identifying contaminants by frequency)</p> <p><em>contam_by_prev_0.2.txt</em>: decontam results (identifying contaminants by prevalence)</p> <p><em>counts.txt</em>: counts table resulting from reads processed with custom demultiplexing script</p> <p><em>cutadapt_counts.txt</em>: counts table resulting from reads processed with cutadapt</p> <p><em>cutadapt_meta.txt</em>: metadata table accompanying <em>cutadapt_counts.txt</em></p> <p><em>cutadapt_tax.txt</em>: taxonomy table resulting from reads processed with cutadapt</p> <p><em>cutadapt_track.txt</em>: table summarizing retention of reads processed with cutadapt throughout the DADA2 pipeline</p> <p><em>dna_concs.txt</em>: DNA concentrations per sample</p> <p><em>extraction_aldex2.txt</em>: ALDEx2 results for comparison of DNA extraction methodologies</p> <p><em>extraction_envfit_and_pca.RData</em>: envfit results and PCA biplot for DNA extraction methodologies</p> <p><em>extraction_shannon_diversity.txt</em>: Shannon diversity and extraction methodology per sample</p> <p><em>fwd_barcodes.fasta</em>: forward barcodes for use by cutadapt</p> <p><em>meta.txt</em>: metadata table accompanying <em>counts.txt</em></p> <p><em>meta_clinical.txt</em>: metadata table for clinical information</p> <p><em>meta_st.txt</em>: metadata for use by SourceTracker</p> <p><em>not_contam_0.05.txt</em>: decontam results (identifying non-contaminants)</p> <p><em>pt_oac_aldex2.txt</em>: ALDEx2 results for comparison of sample type, controlling for the effect of DNA extraction methodology</p> <p><em>pt_oac_envfit_and_pca.RData</em>: envfit results and PCA biplot for sample type </p> <p><em>pt_oac_shannon_diversity.txt</em>: Shannon diversity, sample type, and extraction methodology per sample</p> <p><em>rev_barcodes.fasta</em>: reverse barcodes for use by cutadapt</p> <p><em>spike_1_dists.txt</em>: Aitchison distances between spike 1 samples and other samples on the same plate</p> <p><em>spike_2_dists.txt</em>: Aitchison distances between spike 1 samples and other samples on the same plate</p> <p><em>tax.txt</em>: taxonomy table resulting from reads processed with custom demultiplexing script</p> <p><em>track.txt</em>: table summarizing retention of reads processed with custom demultiplexing script throughout the DADA2 pipeline</p> <p><strong>Code Availability</strong></p> <p>Scripts to process and produce these data are available at https://github.com/charlie-carr/implant_microbiota</p> <p><strong>Citation</strong></p> <p>Carr C, Wilcox H, Burton JP, Menon S, Al KF, O’Gorman D, et al. (2021) Deciphering the low abundance microbiota of presumed aseptic hip and knee implants. PLoS ONE 16(9): e0257471. https://doi.org/10.1371/journal.pone.0257471</p>
Exploring multielement nanogranular coatings to forestall implant-related infections
<p>As we approach the post-antibiotic era, the development of innovative antimicrobial strategies that carry out their action through non-specific mechanisms could limit the onset and spread of numerous drug resistance traits among clinical isolates. In this context, the use of multielement nanogranular NPs conjugated to the surface of implantable biomaterials might represent a strategy to reduce the systemic drawbacks by locally confining the NPs effects against either prokaryotic or eukaryotic cells.</p> <p>In the present study, two new multielement nanogranular coatings composed of different mixtures of Ti/Mg, Ag and Cu were synthesized and tested against pathogens isolated from periprosthetic joint infections to address their potential antimicrobial value in an <em>in vitro</em> experimental setting.</p> <p>Overall, <em>Staphylococcus aureus</em>, <em>Staphylococcus epidermidis</em> and <em>Escherichia coli</em> displayed a significantly decreased adhesion when cultured on Ti-Ag-Cu and Mg-Ag-Cu coatings compared to uncoated controls, regardless of their antibiotic resistance traits. A dissimilar behavior was observed when <em>Pseudomonas aeruginosa</em> was cultured for 30 and 120 minutes upon the surface of Ti-Ag-Cu and Mg-Ag-Cu-coated discs.</p> <p>Biofilm formation was mainly reduced by the active effect of Mg-Ag-Cu compared to Ti-Ag-Cu and, again, coatings had a milder effect on <em>P. aeruginosa</em>, probably due to its exceptional capability of attachment and matrix production. These data were further confirmed by the evaluation of bacterial colonization on nanoparticles-coated discs through confocal microscopy.</p> <p>Finally, to exclude any cytotoxic effects on eukaryotic cells, the biocompatibility of NPs-coated discs was studied. Results demonstrated a viability of 95.8% and 89.4% of cells cultured in the presence of Ti-Ag-Cu and Mg-Ag-Cu discs, respectively, when compared to negative controls.</p> <p>In conclusion, the present study demonstrated the promising anti-adhesive features of both Ti-Ag-Cu and Mg-Ag-Cu coatings, as well as their action in hampering the biofilm formation, highlighting the safe use of the tested multi-element families of nanoparticles as new strategies against bacterial attachment to the surface of biomedical implants.</p>
SIMCor - Demo of fast-to-evaluate surrogate models used for device implantation
<p>This video illustrates a fast to evaluate model for TAVI device implantation based on isogeometric analysis. The tissue is modelled in a rigid manner, meaning that no deformation can be caused by the device. The device deployment is modelled using an expanding cylinder and assessing the contacts between device and tissue. This approach allows rapid evaluation of the risk of paravalvular leakage for different device orientations.</p>
Study of W centers formation in silicon upon ion implantation and rapid thermal annealing
<p>Dataset for the paper </p><h2><strong>Study of W centers formation in silicon upon ion implantation and rapid thermal annealing</strong></h2><p><strong>doi: </strong>https://doi.org/10.1109/SUM57928.2023.10224442</p>
Mode Conversion Trimming in Asymmetric Directional Couplers Enabled by Silicon Ion Implantation - Supportive Information
<p>An on-chip asymmetric directional coupler (DC) can convert fundamental modes to higher-order modes and is one of the core components of mode-division multiplexing (MDM) technology. In this study, we propose that waveguides of the asymmetric DC can be trimmed by silicon ion implantation to tune the effective refractive index and facilitate mode conversion into higher-order modes. Through this method of tuning, transmission changes of up to 18 dB have been realized with one ion implantation step. In addition, adjusting the position of the ion implantation on the waveguide can provide a further degree of control over the transmission into the resulting mode. The results of this work present a promising new route for the development of high-efficiency, low-loss mode converters for integrated photonic platforms, and aim to facilitate the application of MDM technology in emerging photonic neuromorphic computing.</p>
Study of Exchange of Travoprost Intraocular Implant
ClinicalTrials.gov study NCT04615403. IPD Sharing: NO. Countries: 2. Publications: 0.
Fluocinolone Acetonide Implant Compared to Sham Injection in Patients With Diabetic Macular Edema
ClinicalTrials.gov study NCT00344968. IPD Sharing: Not stated. Countries: 1. Publications: 2.
ScienceDex guides
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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.
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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.