Single-scan measurements of nuclear spin singlet order decay rates.
Single-scan measurements of nuclear spin singlet order decay rates.
复制标题
核自旋单重态阶衰减率的单扫描测量。
DOI:
10.1039/d1cp00807b
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发表时间:
2021
期刊:
影响因子:
--
通讯作者:
Melchiorre G
中科院分区:
文献类型:
--
作者:
Melchiorre G
Measurements of singlet spin order decay rates are time consuming due to the long-lived nature of this form of order and the typical pseudo-2D mode of acquisition. Additionally, this acquisition modality is not ideal for experiments run on hyperpolarized order because of the single-shot nature of hyperpolarization techniques. We present a methodology based on spatial encoding that not only significantly reduces the duration of these experiments but also confers compatibility using spin hyperpolarization techniques. The method condenses in a single shot the variable delay array used to measure decay rates in conventional pseudo-2D relaxation experiments. This results in a substantial time saving factor and, more importantly, makes the experiment compatible with hyperpolarization techniques since only a single hyperpolarized sample is required. Furthermore, the presented method, besides offering savings on time and costs, avoids reproducibility concerns associated with repetition in the hyperpolarization procedure. The method accelerates the measurement and characterization of singlet order decay times, and, when coupled with hyperpolarization techniques, can facilitate the quest for systems with very long decay times.
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影响因子:
15
作者:
Claytor, Kevin;Theis, Thomas;Warren, Warren S.
通讯作者:
Warren, Warren S.
影响因子:
2.2
作者:
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通讯作者:
Griffin, RG
影响因子:
4.3
作者:
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通讯作者:
Dumez, Jean-Nicolas
DOI:
10.1073/pnas.1010570107
发表时间:
2010-10-05
影响因子:
11.1
作者:
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通讯作者:
Levitt, Malcolm H.
影响因子:
--
作者:
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通讯作者:
J. Canary