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Updated: Jun 26, 2025

Registered Bioimaging of Nanomaterials for Diagnostic and Therapeutic Monitoring
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采用辐射回声平面轨迹的单射扩散痕迹光谱成像

Andres Saucedo1,2, M Albert Thomas1,2,3

  • 1Radiological Sciences, University of California at Los Angeles, Los Angeles, California, USA.

Magnetic resonance in medicine
|May 10, 2024
PubMed
概括

这项研究展示了一种新的,更快的方法来测量痕迹显微扩散系数 (ADCs),使用一次性扩散痕迹加权辐射回声平面光谱成像 (Trace DW-REPSI). 该技术显示了幻影和体内成像的可行性,提供比传统方法更快的扫描.

关键词:
这就是b-value.扩散权重的权重.在k-空间.点分辨率光谱学是一种点分辨率光谱法.辐射回声平面光谱成像 辐射回声平面光谱成像微量明显扩散系数的痕迹.

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相关概念视频

NMR Spectrometers: Radiofrequency Pulses and Pulse Sequences01:17

NMR Spectrometers: Radiofrequency Pulses and Pulse Sequences

A pulse is a short burst of radio waves distributed over a range of frequencies that simultaneously excites all the nuclei in the sample. Upon passing a radio frequency pulse along the x-axis, the nuclei absorb energy corresponding to their Larmor frequencies and achieve resonance. This shifts the net magnetization vector from the z-axis toward the transverse plane. This angle of rotation of the magnetization vector, or the flip angle, is proportional to the duration and intensity of the pulse.
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