Showing 18,861 - 18,880 results of 48,208 for search '"structures"', query time: 0.14s Refine Results
  1. 18861

    Navigating challenges and maximizing potential: Handling complications and constraints in minimally invasive surgery by Qadrie Zulfkar, Maqbool Mudasir, Dar Mohd Altaf, Qadir Afshana

    Published 2025-02-01
    “…Limitations in MIS are diverse and can stem from anatomical challenges, such as restricted access in confined spaces or complex structures. While technological advancements, such as robotic-assisted surgery and advanced imaging, have mitigated some limitations, ongoing efforts are directed toward overcoming challenges related to limited range of motion and maneuverability in intricate anatomical locations. …”
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  2. 18862

    Forecasting the Probability of Large Rates of Change of the Geomagnetic Field in the UK: Timescales, Horizons, and Thresholds by A. W. Smith, C. Forsyth, I. J. Rae, T. M. Garton, T. Bloch, C. M. Jackman, M. Bakrania

    Published 2021-09-01
    “…Increasing the volume of solar wind data provided to the models does not produce appreciable increases in model performance, possibly due to the fixed model structures and limited training data. However, increasing the horizon of the forecast from 30 min to 3 h increases the performance of the models, presumably as the models need not be as precise about timing.…”
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  3. 18863

    Advancing the utilization of 2D materials for electrocatalytic seawater splitting by Shemsu Ligani Fereja, Andleeb Mehmood, Qianqian Ji, Waseem Raza, Ahmed Hussen, Jie Hu, Shuo Zhai, Xingke Cai

    Published 2025-01-01
    “…To overcome these challenges, researchers have turned to two‐dimensional (2D) materials, which possess large specific surface areas and can easily be engineered to have desirable electronic structures, making them promising candidates for high‐performance electrocatalysis in various reactions. …”
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  4. 18864
  5. 18865
  6. 18866

    Integrated Identification and Efficient Use of Biodiversity in Mountainous Regions by Mehdiyeva A. M., Mahmudova Z. A., Rustamova D. F., Mansurova D., Juraeva G.

    Published 2025-01-01
    “…The purpose of the presented work is to determine the quantitative, qualitative and thermodynamic parameters of geothermal sources in these territories, as well as the spatial structure of the foci of formation of their migration routes. …”
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  7. 18867

    A Full Computerized Workflow for Planning Surgically Assisted Rapid Palatal Expansion and Orthognathic Surgery in a Skeletal Class III Patient by Orazio Bennici, Alessia Malgioglio, Serena Moschitto, Gianrico Spagnuolo, Alberta Greco Lucchina, Vincenzo Ronsivalle, Gaetano Isola, Antonino Lo Giudice

    Published 2022-01-01
    “…Virtual planning offers new possibilities for visualizing the relationship between dental arches and surrounding bone and soft structures in a single virtual 3D model, allowing the specialists to simulate different surgical and orthodontic procedures to achieve the best possible result for the patient and providing an accurate and predictable outcome in the treatment of challenging malocclusions.…”
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  8. 18868

    Characterization and Machine Learning-Driven Property Prediction of a Novel Hybrid Hydrogel Bioink Considering Extrusion-Based 3D Bioprinting by Rokeya Sarah, Kory Schimmelpfennig, Riley Rohauer, Christopher L. Lewis, Shah M. Limon, Ahasan Habib

    Published 2025-01-01
    “…The field of tissue engineering has made significant advancements with extrusion-based bioprinting, which uses shear forces to create intricate tissue structures. However, the success of this method heavily relies on the rheological properties of bioinks. …”
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  9. 18869

    3D Electrospun Nanofiber-Based Scaffolds: From Preparations and Properties to Tissue Regeneration Applications by Shanshan Han, Kexin Nie, Jingchao Li, Qingqing Sun, Xiaofeng Wang, Xiaomeng Li, Qian Li

    Published 2021-01-01
    “…Three-dimensional (3D) electrospun nanofiber-based scaffolds can provide stem cells with 3D microenvironments and biomimetic fibrous structures. Thus, they have been demonstrated to be good candidates for in vivo repair of different tissues. …”
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  10. 18870

    A Novel Platelet Activating Factor Receptor Antagonist Reduces Cell Infiltration and Expression of Inflammatory Mediators in Mice Exposed to Desiccating Conditions after PRK by Salomon Esquenazi, Jiucheng He, Na Li, Nicolas G. Bazan, Isi Esquenazi, Haydee E. P. Bazan

    Published 2009-01-01
    “…Confocal microscopy showed an increased number of reflective structures in the corneal epithelium after PRK and exposure to DE in eyes treated with vehicle as compared to eyes treated with LAU-0901. …”
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  11. 18871

    Prediction of Ultimate Load of Rectangular CFST Columns Using Interpretable Machine Learning Method by Tien-Thinh Le, Hieu Chi Phan

    Published 2020-01-01
    “…The ultimate compressive load of concrete-filled steel tubular (CFST) structural members is recognized as one of the most important engineering parameters for the design of such composite structures. …”
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  12. 18872

    Empirical Mode Decomposition and Neural Networks on FPGA for Fault Diagnosis in Induction Motors by David Camarena-Martinez, Martin Valtierra-Rodriguez, Arturo Garcia-Perez, Roque Alfredo Osornio-Rios, Rene de Jesus Romero-Troncoso

    Published 2014-01-01
    “…The detection and classification results show the effectiveness of the proposed fused techniques; besides, the high precision and minimum resource usage of the developed digital structures make them a suitable and low-cost solution for this and many other industrial applications.…”
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  13. 18873

    Influence of phonon anharmonicity on Raman spectra of Cu2ZnSn(S,Se)4 polycrystalline thin films through computational study by Yurii A. Romaniuk, Ivan S. Babichuk, Vadym V. Korotyeyev, Volodymyr O. Yukhymchuk, Volodymyr M. Dzhagan, Sergiy V. Virko, Mykola O. Semenenko, Maksym O. Stetsenko, Anton Tiutiunnyk, Laura M. Pérez, David Laroze

    Published 2025-01-01
    “…In this report, the room temperature experimental Raman scattering spectra, recorded at different excitation wavelengths, are systematically analyzed theoretically using the results of DFT harmonic frequencies calculations at the Γ-point for various modifications of kesterite (KS), stannite (ST), and pre-mixed Cu-Au (PMCA) crystal structures. The specific anharmonism‐induced features in the spectra of CZT(S,Se) crystals are identified, and the spectral lineshapes at varied strengths of anharmonic interaction are simulated. …”
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  14. 18874

    Chemical Constituents of the Bark of Zanthoxylum gilletii (Rutaceae) and Their In Vitro Antiplasmodial and Molecular Docking Studies by Liliane Clotilde Dzouemo, Gervais Mouthé Happi, Sikiru Akinyeye Ahmed, Willifred Dongmo Tekapi Tsopgni, Michael Nde Akuma, Shina Salau, Emmanuel Ngeufa Happi, Jean Duplex Wansi

    Published 2022-01-01
    “…The phytochemical investigations of the methanol extract of Zanthoxylum gilletii bark led to the isolation of thirteen compounds identified as two alkaloids including one acridone 5-hydroxynoracronycine (1) and one benzo [c] phenanthridine decarine (2), three lignans trans- and cis-fagaramide (3 and 4) and sesamin (5), two coumarins scoparone (6) and scopoletin (7), three pentacyclic triterpenoids fridelin (8), lupeol (9) and erythrodiol-3-O-palmitate (10), one phenolic compound vanillic acid (11) as well as two common steroids stigmasterol (12), and its derivative stigmasterol-3-O-β-D-glucopyranoside (13). The structures of all the isolated compounds were elucidated by means of their spectroscopic and spectrometric data (1D, 2D-NMR, MS) as well as the comparison of these data with those reported in the literature. …”
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  15. 18875

    Nanotherapeutics for Meningitis: Enhancing Drug Delivery Across the Blood-Brain Barrier by Hitaishi Sharma, Kannan Badri Narayanan, Shampa Ghosh, Krishna Kumar Singh, Prarthana Rehan, Aparajita Dasgupta Amist, Rakesh Bhaskar, Jitendra Kumar Sinha

    Published 2025-01-01
    “…Recently, bionics has emerged as a next-generation technology in the development of novel ideas from biological principles, structures, and interactions for neurological and neuroinfectious diseases. …”
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  16. 18876

    Multimaterial cryogenic printing of three-dimensional soft hydrogel machines by Jinhao Li, Jie Cao, Rong Bian, Rongtai Wan, Xiangyang Zhu, Baoyang Lu, Guoying Gu

    Published 2025-01-01
    “…We, therefore, can facilely fabricate various multimaterial 3D hydrogel structures with high aspect ratio complex geometries (overhanging, thin-walled, and hollow) in high fidelity. …”
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  17. 18877

    Synthesis, DNA-Binding, Anticancer Evaluation, and Molecular Docking Studies of Bishomoleptic and Trisheteroleptic Ru-Diimine Complexes Bearing 2-(2-Pyridyl)-quinoxaline by Sofia Balou, Athanasios Zarkadoulas, Maria Koukouvitaki, Luciano Marchiò, Eleni K. Efthimiadou, Christiana A. Mitsopoulou

    Published 2021-01-01
    “…The complexes were characterized by elemental analysis, TGA, 1H-NMR, FT-IR, UV-Vis, emission spectroscopy, and electrochemistry. Their structures were confirmed by single-crystal X-ray diffraction analysis. …”
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  18. 18878
  19. 18879

    Chemical Speciation of the System Cu(II)-Indomethacin in Ethanol and Water by UV-Vis Spectrophotometry by Norma Rodríguez-Laguna, Luis I. Reyes-García, Rosario Moya-Hernández, Alberto Rojas-Hernández, Rodolfo Gómez-Balderas

    Published 2016-01-01
    “…Moreover, molecular structures of the Cu(II)–Indomethacin complexes were explored by means of the molecular modeling within the frame of the density functional theory.…”
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  20. 18880

    Prior-FOVNet: A Multimodal Deep Learning Framework for Megavoltage Computed Tomography Truncation Artifact Correction and Field-of-View Extension by Long Tang, Mengxun Zheng, Peiwen Liang, Zifeng Li, Yongqi Zhu, Hua Zhang

    Published 2024-12-01
    “…Experimental results using both simulated and real patient data demonstrate that our method outperforms existing truncation correction techniques in reducing truncation artifacts and reconstructing anatomical structures beyond the sFOV. It achieves the lowest MAE of 23.8 ± 5.6 HU and the highest SSIM of 97.8 ± 0.6 across the test dataset, thereby enhancing the reliability and clinical applicability of MVCT in adaptive radiotherapy.…”
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