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421 results for “Polymer”
Revisiting Degradation in the XPS Analysis of Polymers Data
<p>XPS data in VAMAS format for the Surface and Interface Analysis paper entitled " Revisiting Degradation in the XPS Analysis of Polymers". DOI: 10.1002/sia.7151</p> <p>Recommended analysis software is CasaXPS, minimum of Version 2.3.24</p>
Machine Learning for Analyzing Atomic Force Microscopy (AFM) Images Generated from Polymer Blends
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Exposure of Bromus hordeaceus to petroleum and plant-based micro- and nanoplastics: Impacts and plant-plastic interactions vary depending on polymer type and growth phase
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Data for a publication "High-strength self-healable supercapacitor based on supramolecular polymer hydrogel with upper critical solubility temperature"
<p><strong>Article abstract</strong></p> <p>Here, we present poly(<em>N</em>-acryloylglycinamide-<em>co</em>-vinyltriazole) p(NAGA-<em>co</em>-VTZ) supramolecular polymer hydrogel doped with carbonized and activated polypyrrole nanotubes as a high-strength self-healable material for supercapacitors. Initially, the p(NAGA-<em>co</em>-VTZ) hydrogel films were synthesized by photopolymerization of <em>N</em>-acryloylglycinamide and 1-vinyl-1,2,4-triazole without the use of any cross-linkers. The hydrogels demonstrated remarkable self-healing ability via hydrogen bonding at temperatures above upper critical solubility temperature, excellent mechanical properties (0.86 MPa), large stretchability (1300 %) and cut resistance. Subsequently, we prepared carbonized and ethanol/KOH-activated polypyrrole nanotubes (acNTs) as the active material for electrochemical double-layer capacitors (EDLC). Then, a symmetric self-healable supercapacitor employing p(NAGA-<em>co</em>-VTZ) hydrogel, acNTs and aqueous 3M KCl solution was assembled. Cyclic voltammetry and galvanostatic charge-discharge measurements showed that the prepared device gave a specific capacitance of 282.62 F·g<sup>-1</sup> at 0.2 A·g<sup>-1</sup> and a high areal capacitance of 316.86 mF cm<sup>-2</sup> at a scan rate of 10 mV s<sup>-1</sup>. Importantly, the supercapacitor operates over a wide voltage window (0-1.2 V) and provides excellent cyclic performance with capacitance retention of 97 % after 10 000 cycles and 94 % after self-healing. In summary, the developed self-healable supercapacitor exhibits considerable potential as a high-performance energy storage device.</p>
Organic Light-Emitting Transistors with Simultaneous Enhancement of Optical Power and External Quantum Efficiency via Conjugated Polar Polymer Interlayers
<p>Organic light-emitting transistors (OLETs) show the fascinating combination of electrical switching characteristics and light generation capability. However, to ensure an effective device operation, an efficient injection of charges into the emissive layer is required. The introduction of solution-processed conjugated polyelectrolyte (CPE) films at the emissive layer/electrode interface represents a promising strategy to improve the electron injection process by dipole formation. However, their use in optoelectronic devices also involves some limitations because of the ionic nature of CPEs. In this context, neutral conjugated polar polymers (CPPs) represent a valid alternative to CPEs because the conjugated backbones of CPPs are functionalized with polar nonionic side groups, thus avoiding ion-dependent drawbacks. By introducing a layer of polyfluorene-containing phosphonate groups underneath the metal electrodes, we here demonstrate a substantial improvement of the electron injection properties into the OLET-emissive layer and, accordingly, a more than 2-fold increased light power and a 5 times higher external quantum efficiency of p-type OLETs in comparison with reference devices without any interlayer. The great benefit of using a transparent glass substrate allowed to selectively investigate the morphological and photoluminescent characteristics of both CPE- and CPP-buried interlayers within complete OLETs by means of an optical scanning probe technique. This, together with a thorough optoelectronic characterization of the figures of merit of working light-emitting devices, allowed to disclose the origin of the improved optical performance of CPP-based devices as well as the operation mechanisms of the investigated interlayer in the corresponding OLETs.</p>
Data from: Synthesis of diketopyrrolopyrrole-based polymers with polydimethylsiloxane side chains and their application in organic field-effect transistors
Linear polydimethylsiloxane (PDMS) was investigated as a solubilizing group for π-conjugated polymers with the aim of combining high solubility in organic solvents with the molecular packing in solid films that is advantageous for charge transport. Diketopyrrolopyrrole-based copolymers with different contents and substitution patterns of the PDMS side chains were synthesized and evaluated for application in organic field-effect transistors. The PDMS side chains greatly increased the solubility of the polymers and led to shorter d-spacings of the π stacking in the thin films compared with polymers containing conventional branched alkyl side chains.
Polymer–Lipid Hybrid Membranes as a Model Platform to Drive Membrane–Cytochrome c Interaction and Peroxidase-like Activity
<p>Data underlying the figures in the publication “Polymer–Lipid Hybrid Membranes as a Model Platform to Drive Membrane–Cytochrome c Interaction and Peroxidase-like Activity”, published in <em>J. Phys. Chem. B.,</em> <strong>2020</strong>, 124, 22, 4454–4465. <a href="https://pubs.acs.org/doi/10.1021/acs.jpcb.0c02727">https://pubs.acs.org/doi/10.1021/acs.jpcb.0c02727</a></p> <p>Table of contents:</p> <p><strong>1. Figure 1</strong>; Zip file containing the BAM images (<em>Figure 1b)</em> and excel files with the numerical data for the Langmuir isotherm graphs (<em>Figure 1a).</em></p> <p><strong>2. Figure 2, 5</strong>: Zip file containing the AFM images for the characterization of the solid-supported bilayers (<em>Figure 2</em>) and of the different membranes after protein insertion (<em>Figure</em> <em>5).</em> </p> <p><strong>3. Figure 4</strong>: Zip file containing the numerical data for <em>Figure 4,</em> showing the QCM-D plots of protein combination with supported membranes.</p> <p><strong>4. Figure 6</strong>: Zip file containing the numerical data for <em>Figure 6,</em> showing the qualitative comparison of protein activity by fluorimetric studies.</p>
Weakly hydrated anions bind to polymers but not monomers in aqueous solutions - Source data for Figure 3
<p>Source data that was used to create Figure 3. </p>
Preventing Memory Effects in Surface-Enhanced Raman Scattering Substrates by Polymer Coating and Laser-Activated Deprotection
<p>Related publication: Plou, J; Charconnet, M; García, I; Calvo, J; Liz-Marzán, LM. Preventing Memory Effects in Surface-Enhanced Raman Scattering Substrates by Polymer Coating and Laser-Activated Deprotection. <em>ACS Nano</em> 2021, <em>15</em>, 8984-8995. 10.1021/acsnano.1c01878</p>
LED Binding Energy Calculations for POCB/PEI Polymer Hydrate Clathrates
<p>Raw data used to calculate the binding energies of POCB and PEI clathrate hydrates</p>
Scalable High-Precision Trimming of Photonic Resonances by Polymer Exposure to Energetic Beams - Supportive Information
<p>Integrated photonic circuits (PICs) have seen an explosion in interest, through to commercialization in the past decade. Most PICs rely on sharp resonances to modulate, steer, and multiplex signals. However, the spectral characteristics of high-quality resonances are highly sensitive to small variations in fabrication and material constants, which limits their applicability. Active tuning mechanisms are commonly employed to account for such deviations, consuming energy and occupying valuable chip real estate. Readily employable, accurate, and highly scalable mechanisms to tailor the modal properties of photonic integrated circuits are urgently required. Here, we present an elegant and powerful solution to achieve this in a scalable manner during the semiconductor fabrication process using existing lithography tools: by exploiting the volume shrinkage exhibited by certain polymers to permanently modulate the waveguide’s effective index. This technique enables broadband and lossless tuning with immediate applicability in wide-ranging applications in optical computing, telecommunications, and free-space optics.</p>
MAGNATE-S: Paclitaxel Polymer Micelles Combo in Advanced Sarcoma
ClinicalTrials.gov study NCT07359053. IPD Sharing: YES. Countries: 1. Publications: 0.
Outcome of CHAllenging lesioNs and Patients Treated With Polymer Free Drug-CoatEd Stent
ClinicalTrials.gov study NCT03622203. IPD Sharing: UNDECIDED. Countries: 0. Publications: 8.
Multi-Center Registry Trial of EXCEL Biodegradable Polymer Drug-Eluting Stent
ClinicalTrials.gov study NCT00331578. IPD Sharing: Not stated. Countries: 0. Publications: 2.
Topotecan Hydrochloride or Cyclodextrin-Based Polymer-Camptothecin CRLX101 in Treating Patients With Recurrent Small Cell Lung Cancer
ClinicalTrials.gov study NCT01803269. IPD Sharing: Not stated. Countries: 1. Publications: 0.
The Use of a Novel Microbicidal Liquid Polymer for the Reduction of Pin Track Infection
ClinicalTrials.gov study NCT03756506. IPD Sharing: NO. Countries: 1. Publications: 0.
Data from: Convenient fabrication of conjugated polymer semiconductor nanotubes and their application in organic electronics
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Data from: Synthesis of diketopyrrolopyrrole-based polymers with polydimethylsiloxane side chains and their application in organic field-effect transistors
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Data from: A simple micropump based on a freeze-dried superabsorbent polymer for multiplex solution processing in disposable devices
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Data from: Anthracycline drugs on modified surface of quercetin-loaded polymer nanoparticles: a dual drug delivery model for cancer treatment
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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)
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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.