Electromagnetic Noise Characterization and Suppression in Low-Field MRI Systems [0.03%]
低场磁共振系统中的电磁噪声表征与抑制
Teresa Guallart-Naval,José Miguel Algarín,Joseba Alonso
Teresa Guallart-Naval
Purpose: Our goal is to develop and validate a practical protocol that guides users in identifying and suppressing electromagnetic noise in low-field MRI systems, enabling operation near the thermal noise limit. ...
Unintended Vagus Nerve Stimulation From Cuff Electrode During MRI: Combined Effects of Gradient and Radiofrequency Fields [0.03%]
磁共振成像期间袖套电极意外刺激迷走神经:梯度场和射频场的联合效应
Lijian Yang,Xiaolin Yang,Ao Shen et al.
Lijian Yang et al.
Purpose: Emissions generated during magnetic resonance imaging (MRI)-including gradient coil induced electric fields and radiofrequency coil induced heating near nerve fiber-may alter neural activation inside patients. Th...
Motion- and Field-Robust Mesoscopic Whole-Brain [Formula: see text] -Weighted Imaging at 7 and 11.7 T Using Servo Navigation [0.03%]
基于伺服导航的7T和11.7T高信噪比二维/三维超高场脑弥散成像
Matthias Serger,Rüdiger Stirnberg,Philipp Ehses et al.
Matthias Serger et al.
Purpose: To mitigate artifacts related to motion and field changes in high-resolution T 2 * $$ {T}_2^{/ast } $$ -weighted human brain imaging using servo navigation at ultra-high fields up to 11.7 T. ...
Strong-Gradient Diffusion-Weighted Imaging of Prostate Cancer Using an Inside-Out Nonlinear Gradient Coil [0.03%]
利用内置非线性梯度线圈进行强扩散加权的前列腺癌成像
Horace Z Zhang,Nahla M H Elsaid,Terence W Nixon et al.
Horace Z Zhang et al.
Purpose: To demonstrate improved image quality and lesion conspicuity in prostate diffusion-weighted imaging (DWI) using an inside-out nonlinear gradient coil that provides locally strong gradients (200-500 500 mT/m) at t...
Longitudinal Awake Mouse fMRI During Voluntary Locomotion Using Zero TE Imaging and a Novel Treadmill Training Protocol [0.03%]
利用零TE成像和新型跑步机训练方案在自愿行走条件下进行小鼠纵向清醒功能磁共振成像研究
Lauren Daley,Wen-Ju Pan,Gopinath Kaundinya et al.
Lauren Daley et al.
Purpose: Functional MRI (fMRI) in awake rodents presents countless valuable opportunities for researchers to probe questions that may not be accessible through anesthetized models, such as voluntary locomotion. The common...
Early Detection of Neuroinflammation and White Matter Damage Following Dorsal Spinal Nerve Root Sectioning in a Nonhuman Primate Model [0.03%]
非人灵长类动物模型中背侧脊神经根切断后神经炎症和白质损伤的早期检测
Feng Wang,John C Gore,Li Min Chen
Feng Wang
Purpose: Dorsal rhizotomy, or spinal dorsal nerve root lesioning, is a surgical procedure used to treat intractable nerve pain by selectively severing sensory afferent nerve roots. This study aimed to evaluate whether mul...
Dora Ozkara,Iris Yazici,Elnaz Mahmoudi Mahmoudalilou et al.
Dora Ozkara et al.
Purpose: The purpose of this study is to create an EM simulation model for the NOVA 8Tx/32Rx RF head coil to further develop its applications in research and clinical use. The developed EM model has been made publicly ava...
Dynamic RBC-To-Membrane Ratio in 129Xe MRI: A Biomarker of Decreased Lung Function in Pulmonary and Vascular Diseases [0.03%]
129Xe磁共振成像中的动态RBC-膜比值:肺部和血管疾病的呼吸功能降低的生物标志物
Gabriela María García Delgado,Ummul Afia Shammi,Cody Thornburgh et al.
Gabriela María García Delgado et al.
Purpose: To present a method for quantifying dissolved 129Xe spectroscopy using singular value decomposition (SVD) and a dynamic red blood cell (RBC)/membrane ratio as a biomarker of disease. ...
Rapid Free-Breathing and Automated 2D Shimming of the Lung at 3T [0.03%]
一种在3特斯拉下用于肺部的快速自由呼吸和二维自动匀场技术
Pavlos Panos,Grzegorz Bauman,Oliver Bieri
Pavlos Panos
Purpose: To develop and validate a rapid, fully automated method for shimming of the lung. Methods: For field mapping of the lung, a cu...
A Novel 9-Channel 1H, 3-Channel 31P Radiofrequency Coil for Interleaved Multinuclear Studies of Human Calf Muscle at 7 T [0.03%]
一种新型的9通道¹H、3通道³¹P射频线圈用于在7T下对人类小腿肌肉进行交替多核研究
Veronika Cap,Vasco Rafael Rocha Dos Santos,Kostiantyn Repnin et al.
Veronika Cap et al.
Purpose: To develop a double-tuned calf coil with excellent 1H and 31P performance to study muscle physiology by interleaved 1H/31P MRS and parallel imaging at 7 T. ...