Showing 3,981 - 4,000 results of 5,787 for search '"magnet"', query time: 0.06s Refine Results
  1. 3981

    Ratio Imaging of Enzyme Activity Using Dual Wavelength Optical Reporters by Moritz F. Kircher, Lee Josephson, Ralph Weissleder

    Published 2002-04-01
    “…Dual wavelength ratio imaging can be used for the quantitative imaging of a variety of enzymes in clinically important settings, while the magnetic properties of the probes allow their detection by MR imaging.…”
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    Article
  2. 3982

    Suitable breast cancer screening strategy for Chinese women by CAO Xi, LUO Yongchao, SHEN Songjie

    Published 2024-09-01
    “…Breast imaging examination should mainly choose breast ultrasound, supplemented by mammography and breast magnetic resonance imaging. Risk stratification for breast cancer should be performed in the female population. …”
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    Article
  3. 3983

    Comparison of Forensic Virtual Autopsy and Conventional Autopsy Findings in China: A 10-year Retrospective Study by Ya-Wen Liu, Zhuo-Qun Wang, Zhi-Ling Tian, He-Wen Dong, Yuan-Yuan Liu, En-Hao Fu, Jiang Huang, Dong-Hua Zou, Ning-Guo Liu

    Published 2024-12-01
    “…Background: This study evaluates the noninvasive virtual autopsy (virtopsy), which uses imaging technologies like computed tomography (CT) and magnetic resonance imaging to examine deceased internal structures, as an alternative to traditional autopsies due to its less invasive nature and greater family acceptance. …”
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  4. 3984

    Quantum Spin Ice in Three-Dimensional Rydberg Atom Arrays by Jeet Shah, Gautam Nambiar, Alexey V. Gorshkov, Victor Galitski

    Published 2025-02-01
    “…Within our calculation, we find that by tuning the Rabi frequency, one can access both the confinement-deconfinement transition driven by a proliferation of “magnetic” monopoles and the Higgs transition driven by a proliferation of “electric” charges of the emergent gauge theory. …”
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  5. 3985

    Inferior Frontal Gyrus Activation Underlies the Perception of Emotions, While Precuneus Activation Underlies the Feeling of Emotions during Music Listening by Ken-ichi Tabei

    Published 2015-01-01
    “…Therefore, using functional magnetic resonance imaging (fMRI), I conducted a comparative study of the different brain areas involved in perceiving and feeling emotions during music listening. …”
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  6. 3986

    Listeria monocytogenes Cerebritis and Infective Endocarditis in an Immunocompetent Adult: A Rare Clinical Manifestation by Shalini A. Mohan, Zharif Sufyaan

    Published 2023-01-01
    “…No active arterial bleeding was seen on computed tomography angiography (CTA) of the thorax. Magnetic resonance imaging (MRI) of the brain showed evidence of right frontal cerebritis. …”
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  7. 3987

    Synthesis and study of superacid ZrO–SiO–AlO mixed oxide by Olena Inshina, Alexander Korduban, German Tel'biz, Volodymyr Brei

    Published 2017-06-01
    “…Observed high-energy shift of Zr 3 d 5/2 peak in the X-ray photoelectron spectrum and low-field shift of 29 Si nuclear magnetic resonance signal of superacid Zr 35 Si 53 Al 12 oxide indicate that the electron density transfers from zirconium to silicon atom. …”
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  8. 3988

    Brain Tumor Detection Using a Deep CNN Model by Sonia Ben Brahim, Samia Dardouri, Ridha Bouallegue

    Published 2024-01-01
    “…The diagnosis of brain tumors through magnetic resonance imaging (MRI) has become highly significant in the field of medical science. …”
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  9. 3989

    Metasurface-Based Cylindrical Lenses and Their Antenna Gain Enhancement by Yuping Shang, Wenjun Zhou, Cheng Liao

    Published 2020-01-01
    “…A focused beam is observed at the objective focal point for each lens illuminated by a plane electromagnetic wave with transverse magnetic or transverse electric polarization. A coaxial-fed microstrip patch antenna element is used as a feeding of cylindrical metasurface lenses and positioned at their focal points, so as to evaluate their application in the enhancement of antenna gain along the boresight direction. …”
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  10. 3990

    3-Hydroxy-2-naphthoate Complexes of Transition Metals with Hydrazine - Preparation, Spectroscopic and Thermal Studies by N. Arunadevi, S. Vairam

    Published 2009-01-01
    “…The acid shows dianionic nature in these complexes. The magnetic moments and electronic spectra suggest the geometry of the complexes. …”
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  11. 3991

    Design of the Variable Stiffness Mechanism with Human-robot Interaction and Research on Optimal Hammering Trajectory by Zhang Xiaolei, Wu Yaguang

    Published 2024-12-01
    “…Firstly, the principle of the mechanism to realize the variable stiffness function through the axial arrangement and interaction of multiple magnets was introduced, and several different stiffness modes were proposed. …”
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  12. 3992

    Naissance de la pensée symbolique chez l’Homme : étude des bases neurales de la perception des gravures paléolithiques abstraites et des visages culturalisés en neuroimagerie fonct... by Mathilde Salagnon

    Published 2023-09-01
    “…From a neuro-archaeological perspective, our study aims to infer the neural bases required for the emergence of these first potentially symbolic types of behaviour. We used functional Magnetic Resonance Imaging to record participants' brain activity when we presented them with stimuli from potentially symbolic cultural innovations. …”
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  13. 3993

    Dark-matter induced neutron-antineutron oscillations by Théo Brugeat, Christopher Smith

    Published 2025-01-01
    “…If it is in addition very light, in the micro-eV range or up to a few orders of magnitude below, these oscillations could even exhibit a Rabi resonance. Though the magnetic tuning required to convert a macroscopic number of neutrons into antineutrons is not realistic, sizeable enhancements remain possible. …”
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  14. 3994

    Cortical Surface Reconstruction from High-Resolution MR Brain Images by Sergey Osechinskiy, Frithjof Kruggel

    Published 2012-01-01
    “…Reconstruction of the cerebral cortex from magnetic resonance (MR) images is an important step in quantitative analysis of the human brain structure, for example, in sulcal morphometry and in studies of cortical thickness. …”
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  15. 3995

    Case report: An incidental finding of a left-sided supernumerary kidney by Aklilu Getachew, Nathan K. Suga, Jochebed K. Suga, Nuhamin D. Kiflemariam

    Published 2025-01-01
    “…In such cases, the diagnosis of a supernumerary kidney is made using an abdominal ultrasound scan, intravenous urography (IVU), CT urography, and magnetic resonance imaging (MRI). Treatment depends on the patient’s symptoms. …”
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  16. 3996

    Is Single-View Fluoroscopy Sufficient in Guiding Cardiac Ablation Procedures? by Pascal Fallavollita

    Published 2010-01-01
    “…The CARTO XP ablation system provides real-time data on 3D, color-coded maps of the electrical activity of the heart; however, it is expensive and can only use a dedicated costly magnetic catheter per patient intervention. The purpose of our study is to shorten the duration of the radiofrequency ablation procedure and increase its efficacy by developing an affordable prototype catheter navigation system that simulates the CARTO system. …”
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  17. 3997

    Simultaneous Coexistence of Thyrotropin-Prolactin-Secreting Adenoma and Papillary Thyroid Carcinoma by Somaya Safi, Yousra Benabdelfedil, Sara Derrou, Faycal El Guendouz

    Published 2021-01-01
    “…After eliminating noncompliance, interfering medicines, and thyroid malabsorption, a pituitary adenoma (12 mm) was documented at magnetic resonance imaging. The patient has had transsphenoidal pituitary adenomectomy with histology confirming a thyrotropin-prolactin-secreting adenoma. …”
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  18. 3998

    A Case of Lung Cancer with Brain Metastasis following Late-Onset Bipolar Disorder by Shin-Heng Shen, Shwu-Hua Lee

    Published 2021-01-01
    “…The patient was diagnosed with lung cancer with brain metastasis by brain magnetic resonance imaging and whole-body positron emission tomography. …”
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  19. 3999

    Rare Suprasellar Chordoid Meningioma with INI1 Gene Mutation by Imad Fadl-Elmula, Rania Giha, Sawsan AH Deaf, Lamyaa Ahmed El Hassan, Ahmed M. Hassan, Mohamed AR Arbab

    Published 2017-09-01
    “…Neurological examination showed left temporal hemianopia, decreased visual acuity (3/6), and no physical abnormalities related to Castleman syndrome were noted. Cranial magnetic resonance (MR) images demonstrated a 28x15 mm mass in the sellar region, which showed iso-to low intensity that enhanced vividly after gadolinium with upwards displacement of the Optic chiasm. …”
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  20. 4000

    Septooptic Dysplasia with an Associated Arachnoid Cyst by Skyler V. McLaurin-Jiang, Julie K. Wood, David F. Crudo

    Published 2016-01-01
    “…Laboratory data confirmed inadequate cortisol and growth hormone response to hypoglycemia, a low thyroxine level, and direct hyperbilirubinemia. Magnetic resonance imaging of the brain confirmed the known history of arachnoid cyst with hydrocephalus but also revealed anterior pituitary hypoplasia, absence of the posterior pituitary bright spot, a thin pituitary stalk, and bilateral optic nerve hypoplasia. …”
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