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A new solvent suppression method via radiation damping effect |
Cui Xiao-Hong(崔晓红), Peng Ling(彭凌), Zhang Zhen-Min(张振敏), Cai Shu-Hui(蔡淑惠), and Chen Zhong(陈忠)† |
Department of Electronic Science, Fujian Key Laboratory of Plasma and Magnetic Resonance, State Key Laboratory of Physical Chemistry of Solid Surfaces, Xiamen University, Xiamen 361005, China |
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Abstract Radiation damping effects induced by the dominated solvent in a solution sample can be applied to suppress the solvent signal. The precession pathway and rate back to equilibrium state between solute and solvent spins are different under radiation damping. In this paper, a series of pulse sequences using radiation damping were designed for the solvent suppression in nuclear magnetic resonance (NMR) spectroscopy. Compared to the WATERGATE method, the solute signals adjacent to the solvent would not be influenced by using the radiation damping method. The one-dimensional (1D) 1H NMR, two-dimensional (2D) gCOSY, and J-resolved experimental results show the practicability of solvent suppression via radiation damping effects in 1D and 2D NMR spectroscopy.
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Received: 18 April 2011
Revised: 17 June 2011
Accepted manuscript online:
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PACS:
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82.56.-b
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(Nuclear magnetic resonance)
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33.25.+k
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(Nuclear resonance and relaxation)
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76.60.-k
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(Nuclear magnetic resonance and relaxation)
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Fund: Project supported by the National Natural Science Foundation of China (Grant Nos. 10974164 and 11074209) and the Fundamental
Research Funds for the Central Universities (Grant Nos. 2010121008 and 2010121010). |
Cite this article:
Cui Xiao-Hong(崔晓红), Peng Ling(彭凌), Zhang Zhen-Min(张振敏), Cai Shu-Hui(蔡淑惠), and Chen Zhong(陈忠) A new solvent suppression method via radiation damping effect 2011 Chin. Phys. B 20 118201
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