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三自旋体系核自旋单重态的制备与单重态二维谱的实现
胡凯瑞,杨雪,黄志明,辛家祥,魏达秀*(),姚叶锋*()
Preparing Nuclear Spin Singlet State in a Three-spin System and Its Application in 2D Spectrum
Kai-rui HU,Xue YANG,Zhi-ming HUANG,Jia-xiang XIN,Da-xiu WEI*(),Ye-feng YAO*()

图7. (a) NAA与葡萄糖氘水混合溶液的常规COSY谱；(b) NAA与葡萄糖氘水混合液的单重态COSY谱；(c)单重态COSY谱中的一组FID经过傅里叶变换得到的一维1H NMR谱

Fig.7. (a) Traditional COSY spectrum of the NAA and glucose mixture in D2O; (b) Singlet-state-COSY spectrum of the NAA and glucose mixture in D2O; (c) 1H spectrum obtained by one FID of the singlet-state-COSY experiment