Task-Evoked Functional Activation and Coupling With CSF Flow Detected in the Human Brain With Ultrashort Echo Time fMRI at 7 T [0.03%]
基于超短回波时间功能磁共振成像的脑脊液流动与人脑任务正电子发射断层扫描激活信号的关系研究
Sara Ponticorvo,Ekaterina Paasonen,Pavel Filip et al.
Sara Ponticorvo et al.
Ultrashort echo time (UTE) and zero echo time (ZTE) techniques have been shown to generate robust functional MRI (fMRI) contrast of hemodynamic origin from the inflow of unperturbed spins into the imaging volume under local radiofrequency t...
Targeted Plasma Amino Acid Metabolic Remodeling and Pharmacological Regulation in Heart Failure Rats Using PRISE-NUS-bs-HSQC 2D NMR Spectroscopy [0.03%]
基于PRISE-NUS-bs-HSQC二维核磁的靶向血浆氨基酸代谢重编程及药物干预研究(心力衰竭大鼠模型)
Renliang Xue,Xindan Zhang,Yating Ge et al.
Renliang Xue et al.
Nuclear magnetic resonance (NMR) metabolomics offers a robust platform for the analysis of complex biological samples, but its application is often constrained by signal overlap and limited sensitivity. In this study, we developed an optimi...
AeroCoil: Pneumatically Controlled Dual-Tunable RF Coil for Proton (1H) and Deuterium (2H) [0.03%]
AeroCoil:用于质子(1H)和氘(2H)的气动控制双可调射频线圈
Chavalchart Herabut,Bryan Rangel Valle,Samantha McClendon et al.
Chavalchart Herabut et al.
In specific MRI applications, RF coils must operate at multiple resonance frequencies to support multinuclear imaging and spectroscopy. Designing such coils that can either resonate at or switch between multiple frequencies presents conside...
A System for Retrofitting Conventional MRI Systems for Simultaneous Multinuclear MRI/MRS [0.03%]
一种将传统MRI系统改造成多核磁共振成像/波谱同时进行的系统的方案
Jue Hou,Courtney Bauer,Edith Touchet-Valle et al.
Jue Hou et al.
Proton magnetic resonance imaging (MRI) and spectroscopy (MRS) are widely used in clinical and research applications. Recent interest in X-nuclei studies highlights their ability to provide additional biochemical information, but the intrin...
Zijian Gao,Qianxue Shan,Ziqin Zhou et al.
Zijian Gao et al.
Inhomogeneous magnetization transfer (ihMT) is sensitive to dipolar order associated with motion-restricted macromolecules and can be characterized by the dipolar relaxation time T 1 D $$ {T}_{1D} $$ . In this study, we propose a spin-...
Repeatability of Simultaneous [Formula: see text] H/ [Formula: see text] Na MR Fingerprinting in Knee Cartilage at 7 T [0.03%]
7特斯拉膝关节软骨同时氢/钠磁共振指纹成像的重复性研究
Anne Adlung,Dimitri Martel,Baptiste Busi et al.
Anne Adlung et al.
This study evaluates the repeatability of a 3D simultaneous 1 $$ {}^1 $$ H/ 23 $$ {}^{23} $$ Na MR fingerprinting (MRF) sequence in knee cartilage of healthy volunteers. Eight healthy volunteers underwent four knee scans each wi...
A Deep Dual-Domain Interaction Reconstruction Framework With Adaptive Gating Fusion for Low-Field MRI [0.03%]
一种自适应门控融合的深度双域交互重建框架用于低场MRI
Yuan Yang,Sirui Wang,Hanyu Zhang et al.
Yuan Yang et al.
Low-field magnetic resonance imaging (MRI) offers a cost-effective and accessible alternative to high-field systems but inherently suffers from low signal-to-noise ratio (SNR) and prolonged scan times. Although k-space under-sampling shorte...
A Comparison of the Tofts and Linear Reference Region Models for DCE MRI When Monitoring Vascular Disruption in a Preclinical Tumor Model [0.03%]
在临床肿瘤模型中监测血管破坏时对DCE-MRI的Tofts和线性参考区域模型进行比较
Chetan B Dhakan,Alia S Khaled,Christina J MacAskill et al.
Chetan B Dhakan et al.
Dynamic contrast-enhanced magnetic resonance imaging (DCE MRI) can assess changes in tumor vascular perfusion. We compared the Tofts model and the linear reference region model (LRRM) for analyses of DCE MRI for evaluating changes in vascul...
Comparative Study
NMR in biomedicine. 2026 Jul;39(7):e70332. DOI:10.1002/nbm.70332 2026
Intramyocellular Lipid Reduction During Hindlimb Unloading Assessed by In Vivo 1H-MRS [0.03%]
利用体内¹H-MRS检测舱外期间肌细胞内脂滴减少动态变化研究
Hiroyuki Takashima,Hinako Notoh,Rui Imamura et al.
Hiroyuki Takashima et al.
This study aimed to investigate longitudinal changes in intramyocellular (IMCL) and extramyocellular lipids (EMCL) in skeletal muscle during hindlimb unloading using in vivo proton magnetic resonance spectroscopy (1H-MRS). Hindlimb unloadin...
Feasibility of a Parallel Imaging Approach Exploiting Correlations in k-t Space for the Acceleration of 1H Magnetic Resonance Spectroscopic Imaging [0.03%]
利用k-t空间相关性加速¹H磁共振波谱成像的并行成像方法的可行性研究
Joseph Weygand
Joseph Weygand
Magnetic resonance spectroscopic imaging (MRSI) provides spatially resolved metabolic information, but its clinical use has been limited by prohibitively long acquisition times. Parallel imaging methods such as GRAPPA have been applied to a...