Miniaturization of NMR systems: desktop spectrometers, microcoil spectroscopy, and "NMR on a chip" for chemistry, biochemistry, and industry.

Miniaturization of NMR systems: desktop spectrometers, microcoil spectroscopy, and "NMR on a chip" for chemistry, biochemistry, and industry.
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核磁共振系统的小型化:台式光谱仪、微线圈光谱仪和用于化学、生物化学和工业的“芯片核磁共振”

DOI:
10.1021/cr400063g
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发表时间:
2014
期刊:
影响因子:
62.1
通讯作者:
V.P. Ananikov
V.P. Ananikov
中科院分区:
化学1区
文献类型:
--
作者:
Zalesskiy;E. Danieli;B. Bluemich;V.P. Ananikov

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核磁共振是现代有机化学、催化、生物、医学、工业等领域最强大、用途最广的分析方法之一。(5)近几十年来,硬件设备、实验方法和处理软件的快速发展使化学反应机理领域得到了大量的应用和突破性的发现。核磁共振方法的独特之处在于,在不同的结构水平上,可以用一台仪器获得不同的化学性质和物理性质的多样性。根据一些测量的基本特征(化学位移、耦合常数、弛豫时间),人们可以在原子间键水平上推导出完整的化学结构,(6)快速识别复杂混合物中感兴趣的分子,(7)研究分子的动力学,(8)和表征构象行为。(9)移到较高的分子组织水平,可以区分样品的相组成,(10)研究在不同极性的介质中的反应,(11)表征催化剂或某些催化位置的流动性,(12)并实时获得对象内部结构的高分辨率图像,即使该对象是活的有机体。
Nuclear magnetic resonance spectroscopy (NMR) nowadays is one of the most powerful and versatile analytical methods for modern organic chemistry,(1) catalysis,(2) biology,(3) medicine,(4) and industry.(5) Rapid development of hardware equipment, experimental methodology, and processing software in the recent decades enabled numerous applications and led to breakthrough discoveries in the field of chemical reaction mechanisms.The unique feature of the NMR approach is the diversity of chemical and physical properties at different structural levels that can be accessed using a single instrument. On the basis of a few measured fundamental characteristics (chemical shifts, coupling constants, relaxation times), one can deduce complete chemical structures at the level of interatomic bonds,(6) rapidly identify the molecules of interest in complex mixtures,(7) study dynamics of molecules,(8) and characterize conformational behavior.(9) Moving to the upper molecular organization level, it is possible to discriminate the phase composition of the sample,(10) study reactions in media with varying polarity,(11) characterize the mobility of catalysts or certain catalytic sites,(12) and get high-resolution images of the internal structure of an object in real time even if the object is a living organism.(13)
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