Showing 5,281 - 5,300 results of 5,787 for search '"magnet"', query time: 0.10s Refine Results
  1. 5281

    Antimicrobial Activity of Aspergillus sp. from the Amazon Biome: Isolation of Kojic Acid by Josy Caldas Rodrigues, Weison Lima da Silva, David Ribeiro da Silva, Carolina Rabelo Maia, Clarice Virginia Santos Goiabeira, Haile Dean Figueiredo Chagas, Gigliola Mayara Ayres D’Elia, Gleica Soyan Barbosa Alves, Viviane Zahner, Cecilia Veronica Nunez, Ormezinda Celeste Cristo Fernandes

    Published 2022-01-01
    “…The fractions of interest had their chemical constituents elucidated by nuclear magnetic resonance and mass spectrometry. The elucidated molecule was evaluated for cytotoxicity against the human fibroblast strain (MRC5). …”
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  2. 5282

    Hybrid Fishnet Metamaterial Based on Liquid Crystal and P-I-N Diodes for Reconfigurable Transmitarrays at <inline-formula><tex-math notation="LaTeX">$10 \,\mathrm{GHz}$</tex-math><... by Adrian Diepolder, Lukas Schmidt, Susanne Brandl, Philipp Hinz, Christian Waldschmidt, Christian Damm

    Published 2025-01-01
    “…The proposed design achieves a phase shift of up to <inline-formula><tex-math notation="LaTeX">$180 \mathrm{^{\circ }}$</tex-math></inline-formula> between different states and additional tunability in each phase state by switching the electric response using p-i-n diodes and simultaneously tuning the magnetic response by employing liquid crystal. Thus, it offers the potential to overcome the limitations of switchable unit cells with few discrete phase states in terms of achievable antenna gain and side lobe level. …”
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  3. 5283

    Fuzzy Random Characterization of Pore Structure in Frozen Sandstone: Applying Improved Niche Genetic Algorithm by Yao Ya-feng, Lin Jian, Ge Jian, Peng Shi-long, Yin Jian-chao, Ouyang Li-na

    Published 2021-01-01
    “…Nuclear magnetic resonance (NMR) technology provides an innovative method employed in detecting the porous structures in frozen rock and soil masses. …”
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  4. 5284

    Lifelong cardiovascular care in Turner syndrome: two cases with review of literature by Shun Moriguchi, Yuri Mukoyama, Fumihiko Takizawa, Atsushi Ogawa, Tetsushi Ogawa, Junko Ito, Yukishige Yanagawa, Chinatsu Komiyama, Rieko Niitsu, Tsuyoshi Isojima

    Published 2024-07-01
    “…The first case patient was diagnosed with aortic crank deformity and left subclavian artery aneurysm at 14 years based on the report of cardiac catheterization, computed tomography angiography, and cardiac magnetic resonance imaging, which had remained undetected by annual evaluations using transthoracic echocardiography (TTE). …”
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  5. 5285

    From MRI to FEM: an automated pipeline for biomechanical simulations of vertebrae and intervertebral discs by Kati Nispel, Kati Nispel, Tanja Lerchl, Gabriel Gruber, Hendrik Moeller, Robert Graf, Veit Senner, Jan S. Kirschke, Jan S. Kirschke

    Published 2025-01-01
    “…Therefore, automating the patient-specific modeling process is essential.MethodsWe developed an automated and robust pipeline that generates and simulates biofidelic vertebrae and intervertebral disc finite element method (FEM) models based on automated magnetic resonance imaging (MRI) segmentations. In a first step, anatomically-constrained smoothing approaches were implemented to ensure seamless contact surfaces between vertebrae and discs with shared nodes. …”
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  6. 5286
  7. 5287

    Synthetic Modeling of Polarized Dust Emission in Intermediate-mass YSOs. I. Constraining the Role of Iron Inclusions and Inelastic Relaxation on Grain Alignment with ALMA Polarizat... by Nguyen Chau Giang, V. J. M. Le Gouellec, Thiem Hoang, A. J. Maury, P. Hennebelle

    Published 2025-01-01
    “…Iron inclusions embedded inside dust grains play a crucial role in both internal alignment (IA) via Barnett relaxation and external alignment via the MAgnetically Enhanced RAdiative Torque (MRAT) mechanism. …”
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  8. 5288

    Lipidic folding pathway of α-Synuclein via a toxic oligomer by Vrinda Sant, Dirk Matthes, Hisham Mazal, Leif Antonschmidt, Franz Wieser, Kumar T. Movellan, Kai Xue, Evgeny Nimerovsky, Marianna Stampolaki, Magdeline Nathan, Dietmar Riedel, Stefan Becker, Vahid Sandoghdar, Bert L. de Groot, Christian Griesinger, Loren B. Andreas

    Published 2025-01-01
    “…Time resolved nuclear magnetic resonance (NMR) measurements uncover a structural reorganization essential for the transition of I1 to mature lipidic L2 fibrils. …”
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  9. 5289

    Voxel-Wise Brain-Wide Functional Connectivity Abnormalities in Patients with Primary Blepharospasm at Rest by Pan Pan, Shubao Wei, Huabing Li, Yangpan Ou, Feng Liu, Wenyan Jiang, Wenmei Li, Yiwu Lei, Yanqing Tang, Wenbin Guo, Shuguang Luo

    Published 2021-01-01
    “…A total of 48 subjects, including 24 untreated patients with BSP and 24 healthy controls, were recruited to undergo functional magnetic resonance imaging (fMRI). The method of global-brain FC (GFC) was adopted to analyze the resting-state fMRI data. …”
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  10. 5290

    Fluid Identification Based on NMR Apparent Free Water Porosity Inversion: A Case Study of Paleozoic Tight Sandstone Gas Reservoirs in Western Ordos by Fuqiang Lai, Yuejiao Liu, Xiaopan Kou, Zhaohui Huang, Zhen Chen, Yuanqi Liu, Guoqiang Jiang, Yongqian Zang, Min Wang, Ruyue Wang

    Published 2022-01-01
    “…According to the fluid property identification standard based on nuclear magnetic apparent free water porosity, the high-resistivity water layers were effectively identified and its coincidence rate with the final field test was 10.7% higher than that of the conventional method. …”
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  11. 5291

    Bacterial reduction in river water using nanocellulose membrane from pineapple biomass with ferrous-ferric oxide reinforcement by D. Syukri, H. Suryanto, F. Kurniawan, P.D. Hari, R.M. Fiana, . Rini

    Published 2024-01-01
    “…Therefore, nanocellulose membranes with magnetic properties were developed as a powerful apparatus for reducing microbials and dyes in water.METHODS: In this study, bacterial cellulose acetate-based nanocomposite membrane with ferrous-ferric oxide nanoparticle reinforcement was produced from pineapple peel biowaste extract through fermentation and esterification. …”
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  12. 5292

    Papillary Urothelial Neoplasia with Low Malignant Potential (PUNLMP) in a 9-year-old Child: A Case Report and Review of Literature by Abbas Al Bazzal, Amarelle Chamoun, Zeinab Karaki, Ibrahim Ballout, Bachar Al Al, Linda Chamma, Hussein Issa, Mohamad Moussa, Hiba Hamdar

    Published 2025-01-01
    “…Ultrasound is the first line imaging tool for assessing bladder lesions, followed by cross-sectional imaging examinations such as computed tomography or magnetic resonance imaging if the diagnosis is uncertain. …”
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  13. 5293

    The Frequency and Associated Factors of Asymmetrical Prominent Veins: A Predictor of Unfavorable Outcomes in Patients with Acute Ischemic Stroke by Yue Wang, Jingjing Xiao, Li Zhao, Shaoshi Wang, Mingming Wang, Yu Luo, Huazheng Liang, Lingjing Jin

    Published 2021-01-01
    “…The volume of asymmetrical prominent veins (APV) was evaluated using the Signal Processing In nuclear magnetic resonance software (SPIN, Detroit, Michigan, USA). …”
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  14. 5294

    Neural correlates of the non-optimal price: an MEG/EEG study by Aleksei Gorin, Elizaveta Kuznetsova, Andrew Kislov, Egor Levchenko, Vasily Klucharev, Victoria Moiseeva, Anna Yurchenko, Alexander Luzhin, Natalia Galkina, Anna N. Shestakova

    Published 2025-01-01
    “…The MEG experiment extended these findings by localizing the brain source of the price-related, M400-like response, the magnetic counterpart to the N400 component, in the ventromedial prefrontal cortex (vmPFC) and anterior cingulate cortex (ACC) implicated in value-based and reward-based learning, respectively. …”
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  15. 5295

    Advancing Alzheimer’s Diagnosis: The Role of AI - A Review by Dominka Rehan, Sven Solisch, Anna Blazhkova, Anna Susłow, Adam Szwed, Ewa Szczęsna

    Published 2025-01-01
    “…However, theories of neurodegeneration related to the deposition of pathological proteins in the brain and the imbalance between individual neurotransmitters have allowed the development of effective diagnostic methods - laboratory determination of specific biomarkers (tau protein, β-amyloid) and their marking using PET (Amyloid PET, Tau PET). Magnetic resonance imaging (MRI) is also important in diagnostics. …”
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  16. 5296

    Giant and flexible toroidal circular dichroism from planar chiral metasurface by Shijie Kang, Haitao Li, Jiayu Fan, Jiusi Yu, Boyang Qu, Peng Chen, Xiaoxiao Wu

    Published 2025-01-01
    “…Recent findings reveal that besides electric and magnetic dipoles, toroidal dipoles, an elusive part of dynamic multipoles, can also significantly contribute to chirality. …”
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  17. 5297

    Reconstruction of the Regional Total Electron Content Maps Over the Korean Peninsula Using Deep Convolutional Generative Adversarial Network and Poisson Blending by Se‐Heon Jeong, Woo Kyoung Lee, Soojeong Jang, Hyosub Kil, Jeong‐Heon Kim, Young‐Sil Kwak, Yong Ha Kim, Junseok Hong, Byung‐Kyu Choi

    Published 2022-08-01
    “…The performance of the DCGAN‐PB model is not sensitive to local time, solar activity, and magnetic activity. Thus, the DCGAN‐PB model can reconstruct fine ionospheric structures in regions where observations are sparse and distinguishing ionospheric structures are absent. …”
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  18. 5298

    Cross‐Sectional Imaging Modalities in Correlation to the Thrombolysis in Cerebral Infarction Score: The Next Frontier in Adjunctive Endovascular Stroke Therapy by Johannes Kaesmacher, Kilian M. Treurniet, Manon Kappelhof, Tomas Dobrocky, Johanna Ospel, Adnan Mujanovic, Jens Fiehler, Bernard Yan, Mayank Goyal, Albert J. Yoo, Bruce Campbell, Osama O. Zaidat, Jeffrey L. Saver, Nerses Sanossian, Radoslav Raychev, Yvo B. W. E. M. Roos, Urs Fischer, Charles B. L. M. Majoie, Jan Gralla, David S. Liebeskind

    Published 2025-01-01
    “…However, reperfusion therapy for acute ischemic stroke due to large vessel occlusion often encompasses intravenous thrombolysis therapy started prior to endovascular treatment but after cross‐sectional vascular imaging (computed tomography or magnetic resonance imaging) used to determine eligibility for endovascular treatment. …”
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  19. 5299

    Treatment of a medial plica in the knee among German knee surgeons – The Plica Survey by Svea Faber, Philipp W. Winkler, Ralf Henkelmann, Theresa Diermeier, Wolf Petersen, Maurice Balke, Sebastian Metzlaff, Sebastian Colcuc, Gerald Zimmermann, Philip P. Roessler, Thomas R. Niethammer

    Published 2025-04-01
    “…The majority of surgeons use magnetic resonance imaging (MRI) combined with clinical examination (58.0 %) to diagnose an MPP, and 54.2 % of surgeons resected the plica upon finding significant intraoperative evidence of impact on the patellofemoral joint. …”
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  20. 5300