Gadolinium-Loaded Viral Capsids as Magnetic Resonance Imaging Contrast Agents [0.03%]
包载钆的病毒衣壳作为磁共振成像对比剂
Robert J Usselman,Shefah Qazi,Priyanka Aggarwal et al.
Robert J Usselman et al.
Polymeric nanohybrid P22 virus capsids were used as templates for high density Gd3+ loading to explore magnetic field-dependent (0.5-7.0 T) proton relaxivity. The field-dependence of relaxivity by the spatially constrained Gd3+ in the capsi...
Eight-Channel Monopole Array Using ICE Decoupling for Human Head MR Imaging at 7 T [0.03%]
利用ICE解耦的八通道单极阵列用于7T人体头部磁共振成像
Xinqiang Yan,Long Wei,Suoda Chu et al.
Xinqiang Yan et al.
Due to the unique structure of radiative coil elements, traditional decoupling methods face technical challenges in reducing the electromagnetic coupling of the radiative arrays. In this study, we aim to investigate the possibility of using...
Design and Test of Magnetic Wall Decoupling for Dipole Transmit/Receive Array for MR Imaging at the Ultrahigh Field of 7T [0.03%]
7T超高场磁共振成像中新型梯度消磁壁的研制与测试
Xinqiang Yan,Xiaoliang Zhang,Long Wei et al.
Xinqiang Yan et al.
Radio-frequency coil arrays using dipole antenna technique have been recently applied for ultrahigh field magnetic resonance (MR) imaging to obtain the better signal-noise-ratio (SNR) gain at the deep area of human tissues. However, the uni...
EPR Line Shifts and Line Shape Changes Due to Spin Exchange Between Nitroxide Free Radicals in Liquids 10. Spin-Exchange Frequencies of the Order of the Nitrogen Hyperfine Interaction: A Hypothesis [0.03%]
固液中硝基自旋自由基的自旋交换引起EPR线位移及线型变化。第10部分:以氮超精细相互作用频率为量级的自旋交换频率的一种假说
Barney L Bales,Miroslav Peric
Barney L Bales
The behavior of Electron paramagnetic resonance spectra due to 15N and 14N nitroxide free radicals undergoing spin exchange in liquids at high frequencies ωex , of the same order of magnitude as the nitrogen hyperfine coupling constant A0 ...
N A Sergeev,M Paczwa,M Olszewski et al.
N A Sergeev et al.
Temperature dependencies of 27Al and 23Na nuclear magnetic resonance spectra and spin-lattice relaxations in mordenite have been studied in static and magic angle spinning regimes. Our data show that the spin-lattice relaxations of the 23Na...
NMR Techniques in Metabolomic Studies: A Quick Overview on Examples of Utilization [0.03%]
代谢组学研究中的核磁共振技术——应用实例简述
Joanna Kruk,Marek Doskocz,Elżbieta Jodłowska et al.
Joanna Kruk et al.
Metabolomics is a rapidly developing branch of science that concentrates on identifying biologically active molecules with potential biomarker properties. To define the best biomarkers for diseases, metabolomics uses both models (in vitro, ...
Temperature-Dependent Oxygen Effect on NMR D-[Formula: see text] Relaxation-Diffusion Correlation of n-Alkanes [0.03%]
温度依赖的氧对正构烷烃D-[Formula: see text]弛豫扩散相关的影响
Igor Shikhov,Christoph H Arns
Igor Shikhov
Nuclear magnetic resonance (NMR) diffusion-relaxation correlation experiments (D-[Formula: see text]) are widely used for the petrophysical characterisation of rocks saturated with petroleum fluids both in situ and for laboratory analyses. ...
Parameter Estimation Error Dependency on the Acquisition Protocol in Diffusion Kurtosis Imaging [0.03%]
扩散曲率成像中获取方案对参数估计误差的影响研究
Nima Gilani,Paul N Malcolm,Glyn Johnson
Nima Gilani
Mono-exponential kurtosis model is routinely fitted on diffusion weighted, magnetic resonance imaging data to describe non-Gaussian diffusion. Here, the purpose was to optimize acquisitions for this model to minimize the errors in estimatin...
Proton Dipolar Spin-Lattice Relaxation in Nano-channels of Natrolite [0.03%]
natrolite纳米通道中的质子偶极自旋-晶格弛豫
M Paczwa,A A Sapiga,M Olszewski et al.
M Paczwa et al.
The 1H nuclear magnetic resonance (NMR) spectra and the dipolar spin-lattice relaxation time T1D for 1H in the natural natrolite (Na2Al2Si3O10·2H2O) have been measured in the temperature range of 190-390 K. From the temperature transformat...
Rapid Freeze-Quench EPR Spectroscopy: Improved Collection of Frozen Particles [0.03%]
快速冷冻淬灭EPR光谱法:改善冻结粒子的收集方法
Faezeh Nami,Peter Gast,Edgar J J Groenen
Faezeh Nami
Rapid freeze-quench (RFQ) in combination with electron paramagnetic resonance (EPR) spectroscopy at X-band is a proven technique to trap and characterize paramagnetic intermediates of biochemical reactions. Preparation of suitable samples i...