Showing 3,941 - 3,960 results of 4,109 for search '"magnets"', query time: 0.08s Refine Results
  1. 3941
  2. 3942

    Investigation of 4-Nitro-N, N-diphenylaniline as a chemical tracer under high pressure high temperature reservoir conditions for enhanced oil recovery applications by Subhadip Maiti, Nishant Kumar Choudhary, Kiran R. Gore, Sandeep D. Kulkarni

    Published 2025-02-01
    “…The purity of the synthesised N-TPA was first confirmed to be greater than 98% based on nuclear magnetic resonance (NMR) analysis. Ultraviolet (UV) and high-performance liquid chromatography (HPLC) techniques were established to measure the ppm-level concentrations of 4-FBA and N-TPA in the standard brine solutions. …”
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  3. 3943

    Studying Alzheimer’s disease through an integrative serum metabolomic and lipoproteomic approach by Alessia Vignoli, Giovanni Bellomo, Federico Paolini Paoletti, Claudio Luchinat, Leonardo Tenori, Lucilla Parnetti

    Published 2025-01-01
    “…Methods This pilot study proposes a serum investigation via nuclear magnetic resonance (NMR) spectroscopy in a consecutive series of AD patients including 57 patients affected by Alzheimer’s disease at dementia stage (AD-dem) and 45 patients with mild cognitive impairment (MCI) due to AD (MCI-AD). …”
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  4. 3944

    Anatomical and Functional MRI Changes after One Year of Auditory Rehabilitation with Hearing Aids by M. R. Pereira-Jorge, K. C. Andrade, F. X. Palhano-Fontes, P. R. B. Diniz, M. Sturzbecher, A. C. Santos, D. B. Araujo

    Published 2018-01-01
    “…In the present study, we used audiometric evaluations in 14 patients with bilateral hearing loss before and after one year of continuous HA use and functional magnetic resonance imaging (fMRI) and cortical thickness analysis in 12 and 10 of them compared with a normal hearing control group. …”
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  5. 3945

    Colorimetric and Naked-Eye Detection of Inorganic Arsenic in Water using BF2-Curcumin and Silica Nanoparticle-BF2-Curcumin Sheets by Farshid Ghorbani, Sheyda Mohammadi Isaabad

    Published 2024-08-01
    “…Investigating the effect of ions interference showed that the concentration (mg/L), cations, and anions that exist in water interfered with arsenic detection. The magnetic adsorbence of Fe3+-TMSPT-MNPs was used to transfer the target analyte and eliminate the interference. …”
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  6. 3946

    Investigating ITM2B‐associated ataxia in a Taiwanese cerebellar ataxia cohort by Shih‐Yu Fang, Cheng‐Tsung Hsiao, Kang‐Yang Jih, Yu‐Sheun Tsai, Kuan‐Lin Lai, Cheng‐Ta Chou, Yi‐Chu Liao, Yi‐Chung Lee

    Published 2025-01-01
    “…Most participants had no cognitive impairment at symptom onset but experienced memory decline, oculomotor disturbances, lower limb spasticity, and extensor plantar responses within 2–5 years. Magnetic resonance imaging and spectroscopy revealed progressive extension of white matter hyperintensity over periventricular and subcortical regions, subtle hippocampal atrophy, preserved cerebellar volumes, and decreased N‐acetylaspartate/creatine ratio over the vermis. …”
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  7. 3947

    Lanthanide(III) and Yttrium(III) Complexes of Benzimidazole-2-Acetic Acid: Synthesis, Characterisation and Effect of La(III) Complex on Germination of Wheat

    Published 2006-01-01
    “…The complexes have been characterised by elemental analysis, molar conductance, magnetic studies, IR, <mml:math> <mml:mrow> <mml:msup> <mml:mi></mml:mi> <mml:mn>1</mml:mn> </mml:msup> </mml:mrow> </mml:math>H NMR, UV-visible, EPR, and TG/DTA studies. …”
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  8. 3948

    Acute Neurotoxicity in Children Treated for Acute Lymphoblastic Leukemia and Lymphoblastic Lymphoma: A 10-Year Single-Centre Experience by Izabela Kranjčec, Nada Rajačić, Tamara Janjić, Monika Kukuruzović, Filip Jadrijević-Cvrlje, Maja Pavlović, Jelena Roganović

    Published 2024-12-01
    “…We detected electroencephalogram (EEG) irregularities in almost all patients and various morphological changes in the brain magnetic resonance imaging (MRI), most often consistent with posterior reversible encephalopathy syndrome and leukoencephalopathy. …”
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  9. 3949

    The Effect of Inferior Rectus Muscle Thickening on Intraocular Pressure in Thyroid-Associated Ophthalmopathy by Xiuhong Li, Xu Bai, Zhibin Liu, Ming Cheng, Jia Li, Nian Tan, Hongfeng Yuan

    Published 2021-01-01
    “…There was significant eyeball movement restriction and inferior rectus muscle thickening was confirmed on computed tomography or magnetic resonance imaging. We measured IOP changes in patients with TAO and normal participants in the primary position and upgaze using Icare tonometer. …”
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  10. 3950

    In Vivo Structural and Functional Abnormalities of the Striatums Is Related to Decreased Astrocytic BDNF in Itpr2-/- Mice Exhibiting Depressive-Like Behavior by Shanmei Zeng, Kai Liu, Jingyu Zhang, Chunhui Chen, Yihua Xu, Yulan Wu, Yanjia Deng, Xuegang Sun, Ge Wen, Linlin Jing

    Published 2020-01-01
    “…First, behavioral tests, structural magnetic resonance imaging (MRI), and resting-state functional MRI were performed on Itpr2-/- mice and matched healthy controls. …”
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  11. 3951
  12. 3952

    Occurrence and assessment of chronic pain fatigue and sleep disturbance in axial spondyloarthritis patients by Eman Abdel Ghani Sayed, Samer Samy, Faruk Ali Abdi, Anna Abou-Raya

    Published 2025-12-01
    “…Patients with rheumatoid arthritis, cancer, liver disease, and severe sleep or psychiatric disorders were excluded.Methods Complete blood count, erythrocyte sedimentation rate, C-reactive protein (CRP), human leucocyticantigen-B27, plain x-ray, and magnetic resonance imaging of the sacroiliac joints were performed. …”
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  13. 3953

    Urethra-sparing prostate cancer radiotherapy: Current practices and future insights from an international survey by Jennifer Le Guévelou, Paul Sargos, Piet Ost, Filippo Alongi, Stefano Arcangeli, Alejandro Berlin, Pierre Blanchard, Anna Bruynzeel, Olivier Chapet, Alan Dal Pra, Robert T. Dess, Matthias Guckenberger, Andrew Loblaw, Amar U. Kishan, Barbara Alicja Jereczek-Fossa, David Pasquier, Mohamed Shelan, Shankar Siva, Alison C. Tree, Costantinos Zamboglou, Stephane Supiot, Vedang Murthy, Thomas Zilli

    Published 2025-03-01
    “…The survey focused on clinical scenarios which might take benefit from urethra-sparing, the definition of the urethra and urinary organs-at-risk, and urethral dose constraints. Results: Magnetic resonance imaging with T2-weighted sequences is the preferred method for urethra contouring (83 % consensus). …”
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  14. 3954

    Excitation of ULF, ELF, and VLF Resonator and Waveguide Oscillations in the Earth–Atmosphere–Ionosphere System by Lightning Current Sources Connected with Hunga Tonga Volcano Erupt... by Yuriy G. Rapoport, Volodymyr V. Grimalsky, Andrzej Krankowski, Asen Grytsai, Sergei S. Petrishchevskii, Leszek Błaszkiewicz, Chieh-Hung Chen

    Published 2025-01-01
    “…The electromagnetic field is determined from the dynamics in the ionosphere and from a quasi-stationary approach in the atmosphere, considering not only the electric component but also the magnetic one. An analytical/numerical method has been developed to investigate the excitation of the global Schumann resonator and the eigenmodes of the coupled Schumann and ionospheric Alfvén resonators in the ELF range and the eigenmodes of the Earth–ionosphere waveguide in the VLF range. …”
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  15. 3955
  16. 3956

    Mineralocorticoid axis activity and cardiac remodeling in patients with ACTH-dependent Cushing’s syndrome by Peter Wolf, Simon Travers, Oliver Domenig, Stephanie Baron, Anne Blanchard, Khaoula Bouazizi, Nadjia Kachenoura, Sylvie Salenave, Marko Poglitsch, Alban Redheuil, Severine Trabado, Jacques Young, Philippe Chanson, Peter Kamenický

    Published 2025-01-01
    “…Methods: In this ancillary study of our previous study prospectively investigating patients with ACTH-dependent Cushing’s syndrome by cardiac magnetic resonance imaging (NCT02202902), 11 patients without any interfering medication were cross-sectionally compared to 20 control subjects matched for age, sex and body mass index. …”
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  17. 3957

    Laser interstitial thermal therapy in the management of bottom‐of‐sulcus dysplasia‐related epilepsy by Bowen Yang, Chao Zhang, Xiu Wang, Baotian Zhao, Jiajie Mo, Weiyuan Luo, Xiaoqiu Shao, Jianguo Zhang, Kai Zhang, Wenhan Hu

    Published 2025-01-01
    “…Abstract Objective This study assessed the efficacy and safety of magnetic resonance‐guided laser interstitial thermal therapy (MRgLITT) versus open surgery (OS) for the treatment of patients with bottom‐of‐sulcus dysplasia (BOSD)‐related epilepsy. …”
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  18. 3958

    Effects of Age and Sex on Systemic Inflammation and Cardiometabolic Function in Individuals With Type 2 Diabetes by Jody Dushay, Eva S. Rickers, Enya Wang, Jessica Gilman, Ying Zhang, Ron Blankstein, Ernest V. Gervino, Michael Jerosch‐Herold, Aristidis Veves

    Published 2025-02-01
    “…Methods Older individuals (aged≥65 years) underwent biochemical and tissue inflammatory phenotyping, cardiopulmonary exercise testing, cardiovascular magnetic resonance imaging, and vascular reactivity testing. …”
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  19. 3959

    Polarization-independent high-sensitive metamaterial sensor for chemical sensing and EMI shielding application by Md Kutub Uddin, Shawon Hossen, Touhidul Alam, Mohammad Tariqul Islam, Saleh Albadran, Haitham Alsaif, Ahmed S. Alshammari, Ahmed Alzamil, Mohammad Lutful Hakim

    Published 2025-02-01
    “…This MTM-based sensor exhibits resonance at 10 GHz for both transverse electric (TE) and transverse magnetic (TM) modes. Besides, the transmission coefficient(S21) is investigated at different φ-angle and θ-angle, where φ-angle and θ-angle are applied up to 90˚ and 75˚ for TE and TM modes. …”
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  20. 3960

    Comparative genomics analysis of the reason for 12C6+ heavy-ion irradiation in improving Fe3O4 nanoparticle yield of Acidithiobacillus ferrooxidans by Jiani Yang, Shuang Zhang, Lirong Geng, Dan Zhao, Siyu Xing, Xinyue Ji, Lei Yan

    Published 2025-01-01
    “…Herein, we employed a 12C6+ heavy-ion beam to induce mutagenesis of A. ferrooxidans BYM and successfully screened a mutant BYMT-200 with a 1.36 mg/L Fe3O4 nanoparticle yield, which could stably inherit over many generations based on assessing cell magnetism and Fe3O4 nanoparticle synthesis. Comparative genome analysis detected 14 mutation sites, causing six synonymous mutations, one missense mutation, and one nonsense mutation. …”
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