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A 140 GHz prepolarizer for dissolution dynamic nuclear polarization

机译:用于溶解动态核极化的140 GHz预极化器

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Apart from their very classical use to build polarized targets for particle physics, the methods of dynamic nuclear polarization (DNP) have more recently found application for sensitivity enhancement in high-resolution NMR, both in the solid and in the liquid state. It is often thought that the possible signal enhancement in such applications deteriorates when the DNP is performed at higher fields. We show that for a dissolution-DNP method that uses conventional (2,2,6,6-tetramethylpiperidine 1-oxyl) radicals as the paramagnetic agent, this is not the case for fields up to 5 T. (C) 2008 American Institute of Physics.
机译:除了用于建立粒子物理学极化目标的非常经典的用途之外,动态核极化(DNP)的方法最近在固态和液态的高分辨率NMR中也得到了提高灵敏度的应用。人们通常认为,当在较高的场上执行DNP时,此类应用中可能的信号增强会变差。我们表明,对于使用常规(2,2,6,6-四甲基哌啶1-氧基)自由基作为顺磁性试剂的溶出-DNP方法,对于不超过5 T的磁场,情况并非如此。(C)2008 American Institute物理学。

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