Carr-Purcell-Meiboom-Gill Sequence - an overview - ScienceDirect
网页The Carr-Purcell-Meiboom-Gill (CPMG) Sequence is a pulse sequence in NMR spectroscopy that involves a series of 180° pulses applied to transverse magnetization to enhance signal detection and reduce decoherence effects. AI generated definition based on: Methods in Enzymology, 2019
为什么要用CPMG序列测试T2？ - 知乎专栏
网页这篇我们讲讲核磁弛豫三兄弟中最没有存在感的t2※弛豫，进而分析为什么t2弛豫要用cpmg序列。 核磁共振序列比较抽象，确实很难理解。
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CPMG - SpringerLink
网页The CPMG (Carr-Purcell-Meiboom-Gill) pulse train is a fundamental component of pulse sequences used for the measurement of dynamic processes by NMR spectroscopy. As reported in his seminal paper of 1950, Hahn discovered that when two successive radio-frequency pulses, separated by a time interval τ, are applied to an ensemble of spins, a ...
Car-Purcell-Meiboom-Gill (CPMG) Echo Train Acquisition
网页2023年1月30日 · CPMG is a very useful technique for SSNMR spectroscopists. It uses a train of π π pulses to refocus inhomogeneous broadening of the nuclear spins. This is very beneficial and can be used to enhance S/N, measure diffusion, measure T 2 processes, and reduce experimental time.
核磁共振原理-T2弛豫 - 知乎 - 知乎专栏
网页定量的看，其横向磁化分量以指数衰减的过程（cpmg序列中）。 横截方向上Mx的就是从最大值逐渐衰减到0的过程，同样的，当t=T2时候，Mxy=0.37M0。 T2弛豫的数学定义是：
Structure determination of high-energy states in a dynamic …
网页2022年3月2日 · Unlike other methods for resolving high-energy states, such as cryo-electron microscopy and X-ray crystallography, our solution PCS–CPMG approach excels in cases involving domain rearrangements...
Tuning Effective Relaxation Time in CPMG Sequence by Varying …
网页2023年3月17日 · The Carr–Purcell–Meiboom–Gill (CPMG) pulse sequence is actively used in magnetic resonance to measure the relaxation time T2. The refocusing pulses in this sequence are 180° by default. In this study, numerical calculations of the echo amplitudes were carried out.