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*()
),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*()
),Ye-feng YAO*()
图4. (a) 单重态COSY脉冲序列；(b)单重态NOESY脉冲序列.t1期之前的脉冲为制备与转化单重态的脉冲OC′，这一部分脉冲具有信号选择性，之后的脉冲对应传统的COSY/NOESY脉冲序列
Fig.4. (a) Singlet-state-COSY pulse sequence; (b) Singlet-state-NOESY pulse sequence. The pulse sequence OC′
