Showing 501 - 520 results of 701 for search '"proton"', query time: 0.06s Refine Results
  1. 501

    Cooperative mechanisms of oxide ion conduction in tellurites with secondary bond interactions and Grotthuss-like processes by Zhenyu Zhu, Guanqun Cai, Yuxiang Feng, Juping Xu, Shengqi Chu, Pengfei An, Jianrong Zeng, Wen Yin, Yu Gu, Xiaojun Kuang, Junliang Sun

    Published 2025-02-01
    “…Here, enlightened by proton diffusion in hydrogen-bond networks, we report the coordination polyhedra cooperative mechanism with similar Grotthuss process of oxide ion migration in tellurites. …”
    Get full text
    Article
  2. 502

    Breaking linear scaling relationships in oxygen evolution via dynamic structural regulation of active sites by Zheye Zhang, Hongyan Zhao, Shibo Xi, Xiaoxu Zhao, Xiao Chi, Hong Bin Yang, Zhongxin Chen, Xiaojiang Yu, Yang-Gang Wang, Bin Liu, Peng Chen

    Published 2025-02-01
    “…Theoretical calculations and electrokinetic studies reveal that the dynamic evolution of Ni-adsorbate coordination driven by intramolecular proton transfer can effectively alter the electronic structure of the adjacent Fe active centre during the catalytic cycle. …”
    Get full text
    Article
  3. 503

    Budget Impact of RefluxStop™ as a Treatment for Patients with Refractory Gastro-oesophageal Reflux Disease in the United Kingdom by Sam Harper, Lukasz Grodzicki, Stuart Mealing, Elizabeth Gemmill, Paul Goldsmith, Ahmed Ahmed

    Published 2024-01-01
    “…Standard of care for GORD patients in the UK involves initial treatment with proton pump inhibitors (PPIs) and laparoscopic antireflux surgery in patients unwilling to continue or intolerant of long-term PPI treatment. …”
    Get full text
    Article
  4. 504

    Association of CYP2C9∗3 and CYP2C8∗3 Non-Functional Alleles with Ibuprofen-Induced Upper Gastrointestinal Toxicity in a Saudi Patient by Amina M. Bagher

    Published 2023-01-01
    “…The patient received intravenous proton pump inhibitors and a packed red blood cell transfusion. …”
    Get full text
    Article
  5. 505

    Bilateral Symptomatic Mucoid Degeneration of the Anterior Cruciate Ligament with Anterior Knee Pain but No Limited Knee Flexion by Koshiro Shimasaki, Tomokazu Yoshioka, Akihiro Kanamori, Masashi Yamazaki

    Published 2021-01-01
    “…Magnetic resonance imaging (MRI0 showed a diffuse, thickened ACL with a high inhomogeneous intensity in the T2-weighted and proton density weighted images and which looked similar to a celery stalk. …”
    Get full text
    Article
  6. 506

    Syntheses, Characterization, and Antimicrobial Screening of N-(benzothiazol-2-yl)benzenesulphonamide and its Cu(I), Ni(II), Mn(II), Co(II), and Zn(II) Complexes by N. L. Obasi, Okoye C. O. Benedict, P. O. Ukoha, A. O. Anaga

    Published 2012-01-01
    “…The compounds were characterized using magnetic susceptibility measurements, UV/VIS spectrophotometry, infra red, proton and 13C nmr spectroscopies. The antimicrobial tests of the ligands and its metal complexes were carried out on both multi-resistant bacterial strains isolated under clinical conditions and cultured species using agar-well diffusion method. …”
    Get full text
    Article
  7. 507

    Transmutations of Long-Lived and Medium-Lived Fission Products Extracted from CANDU and PWR Spent Fuels in an Accelerator-Driven System by Alper Buğra Arslan, İlayda Yilmaz, Gizem Bakir, Hüseyin Yapici

    Published 2019-01-01
    “…The LBE target is bombard with protons of 1000 MeV. The proton beam power is assumed as 20 MW, which corresponds to 1.24828·1017 protons per second. …”
    Get full text
    Article
  8. 508

    Molecular Understanding of the Role of Catalyst Particle Arrangement in Local Mass Transport Resistance for Fuel Cells by Aoxin Ran, Linhao Fan, Chasen Tongsh, Jiaqi Wang, Zhengguo Qin, Qing Du, Meng Ni, Kui Jiao

    Published 2025-02-01
    “…Abstract Platinum (Pt) catalyst performance loss caused by a high local oxygen transport resistance is an urgent problem to be solved for proton exchange membrane fuel cells (PEMFCs). Rationally arranging Pt particles on carbon support is the primary approach for reducing mass transport resistance. …”
    Get full text
    Article
  9. 509

    Synthesis of Some Metal Complexes with New Heterocyclic Ligand (5-(((2-(3-(1<i>H</i>-indol-3-yl)acryloyl)phenyl)amino)methylene)-2-thiooxodihydropyrimidine-4,6(1<i>H</i>,5<i>H</i>)... by Thanaa Abdul Ameer Hilal, Ibtihal Kadhim Kareem

    Published 2025-01-01
    “…The results of spectrophotometry, nuclear magnetic resonance of proton (H-NMR), infrared spectroscopy (FTIR), ultraviolet and visible (UV-vis) spectroscopy, X-ray diffraction (XRD), elemental analysis (CHNS) and molar conductivity measurements were used to suggest the proposed structures. …”
    Get full text
    Article
  10. 510

    Application of EPR spectroscopy method for comparative analysis of structural damage accumulation kinetics in two-phase lithium-containing ceramics by Dmitriy I. Shlimas, Daryn B. Borgekov, Artem L. Kozlovskiy

    Published 2025-02-01
    “…Comparison of the concentration dependences of defects in the damaged layer on the atomic displacement value under irradiation with protons and He2+ ions revealed that the formation of oxygen vacancies under irradiation with He2+ ions is more intense than in the case of irradiation with protons, which in turn results in more pronounced processes of accumulation of radiolysis products in the case of high-dose irradiation.…”
    Get full text
    Article
  11. 511

    Electron–phonon coupling and coherent energy superposition induce spin-sensitive orbital degeneracy for enhanced acidic water oxidation by Yanfeng Shi, Lupeng Wang, Miao Liu, Zuozheng Xu, Peilin Huang, Lizhe Liu, Yuanhong Xu

    Published 2025-01-01
    “…This selective rearrangement in RuMW-Mn1-xCrxO2 with particular spin-differentiated polarizations can induce localized spin domain inversion from reversed to parallel direction, which makes RuMW-Mn1-xCrxO2 demonstrate a high current density of 1.0 A cm−2 at 1.88 V and over 300 h of stability in a proton exchange membrane water electrolyzer. The cost per gallon of gasoline equivalent of the hydrogen produced is only 43% of the 2026 target set by the U.S. …”
    Get full text
    Article
  12. 512

    Noncanonical IFN Signaling, Steroids, and STATs: A Probable Role of V-ATPase by Howard M. Johnson, Ezra Noon-Song, Chulbul M. Ahmed

    Published 2019-01-01
    “…We argue here that the vacuolar ATPase (V-ATPase) proton pump probably plays a key role in endosomal membrane crossing by IFNs for receptor cytoplasmic binding. …”
    Get full text
    Article
  13. 513

    Hybrid energy harvesting enabled by a covalent organic framework membrane by Jiaming Yi, Zhuozhi Lai, Qing Guo, Zhiwei Xing, Qi Sun

    Published 2025-01-01
    “…The membrane exhibits exceptional permselectivity across various electrolyte solutions, enabling efficient osmotic energy harvesting from proton gradients via reverse electrodialysis. Under a 50-fold concentration gradient of H2SO4, the membrane achieved a peak output power density of 97.1 ​W ​m−2. …”
    Get full text
    Article
  14. 514

    The Impacts of Breakthrough Drug Classes on Total Healthcare Expenditures by Zeynal Karaca, Steven N. Wiggins

    Published 2016-02-01
    “…We examined six different groups of breakthrough drugs, selective serotonin reuptake inhibitors, statins, angiotensin-converting-enzyme (ACE) inhibitors, histamine type 2 antagonists, proton pump inhibitors, calcium channel blockers and fluoroquinolones. …”
    Get full text
    Article
  15. 515

    A retrospective study assessing RefluxStop surgery for gastroesophageal reflux disease: Clinical outcomes in 79 patients from Germany by Thorsten Lehmann, MD, Mantas Šimkus, MD, Christoph Oehler, MD

    Published 2025-01-01
    “…Secondary outcomes included proton pump inhibitor (PPI) use and intra- and postoperative complications, including dysphagia, esophageal dilatation, and reoperation. …”
    Get full text
    Article
  16. 516

    Comparisons of Energetic Electron Observations Between FIREBIRD‐II CubeSats and POES/MetOp Satellites From 2018 to 2020 by I. M. Householder, K. A. Duderstadt, J. M. Pettit, A. T. Johnson, C.‐L. Huang, A. B. Crew, D. M. Klumpar, T. Raeder, J. G. Sample, M. Shumko, S. S. Smith, H. E. Spence

    Published 2024-12-01
    “…This study compares energetic electron precipitation measurements at low‐Earth‐orbit by the Focused Investigations of Relativistic Electron Burst Intensity, Range, and Dynamics (FIREBIRD‐II) CubeSats with NOAA Polar‐orbiting Operational Environmental Satellite (POES) and ESA Meteorological Operational satellite (MetOp) satellites, which are equipped with the Medium‐Energy Proton Electron Detector (MEPED). The analysis considers 51 high quality conjunction events at >300 keV during times of low to moderate geomagnetic activity. …”
    Get full text
    Article
  17. 517

    On the Heating of the Slow Solar Wind by Imbalanced Alfvén-wave Turbulence from 0.06 to 1 au: Parker Solar Probe and Solar Orbiter Observations by Sofiane Bourouaine, Jean C. Perez, Benjamin D. G. Chandran, Vamsee K. Jagarlamudi, Nour E. Raouafi, Jasper S. Halekas

    Published 2024-01-01
    “…First, we estimate the AW turbulent dissipation rate from the wave energy equation and find that the radial profile trend is similar to the proton heating rate. Second, we find that the scaling of the empirical AW turbulent dissipation rate Q _W obtained from the wave energy equation matches the scaling from the phenomenological AW turbulent dissipation rate Q _CH09 (with Q _CH09 ≃ 1.55 Q _W ) derived by Chandran & Hollweg based on the model of reflection-driven turbulence. …”
    Get full text
    Article
  18. 518

    Single-Round Patterned DNA Library Microarray Aptamer Lead Identification by Jennifer A. Martin, Peter A. Mirau, Yaroslav Chushak, Jorge L. Chávez, Rajesh R. Naik, Joshua A. Hagen, Nancy Kelley-Loughnane

    Published 2015-01-01
    “…The sequence demonstrating the highest fluorescence intensity upon target addition was confirmed to bind the target molecule thrombin with specificity by surface plasmon resonance, and a novel imino proton NMR/2D NOESY combination was used to screen the structure for G-quartet formation. …”
    Get full text
    Article
  19. 519

    Comorbidity patterns and mortality in atrial fibrillation: a latent class analysis of the EURopean study of Older Subjects with Atrial Fibrillation (EUROSAF) by Huah Shin Ng, Richard Woodman, Nicola Veronese, Alberto Pilotto, Arduino A. Mangoni

    Published 2025-12-01
    “…Compared to phenotype 1, after adjusting for age, sex, use of anticoagulants, cardiovascular medications, and proton pump inhibitors, and individual MPI domains, phenotype 3 had a significantly higher risk of mortality (adjusted hazard ratio = 1.27, 95% CI = 1.01 to 1.60). …”
    Get full text
    Article
  20. 520

    First-Line Helicobacter pylori Eradication with Vonoprazan, Clarithromycin, and Metronidazole in Patients Allergic to Penicillin by Soichiro Sue, Nobumi Suzuki, Wataru Shibata, Tomohiko Sasaki, Hiroaki Yamada, Hiroaki Kaneko, Toshihide Tamura, Tomohiro Ishii, Masaaki Kondo, Shin Maeda

    Published 2017-01-01
    “…We also collected the data from 30 patients retrospectively treated with proton pump inhibitor (PPI), CAM, and MNZ. Safety was evaluated in patients completing an adverse effect questionnaire. …”
    Get full text
    Article