New application field by 80 kHz MAS NMR
NM100002E
Here we show new fields which will be explored in the very near future by 1 mm MAS system. Very fast MAS enhances the transverse relaxation time (T’2) of 1H with spin echo. This is caused by partial decoupling of 1H-1H dipolar interaction, leading to reduction of homogeneous broadening. The experimentally observed T’2 of glycine is linearly increased with the spinning frequency. It is expected that enhanced T’2 ensure high efficiency in magnetization transfer such as INEPT or HSQC. 1 mm MAS is very suitable for HMQC, HSCQ, INEPT, R-INEPT etc.
1H T’2 of glycine
JNM-ECA500
This work has been supported by JST-SENTAN(JAPAN).
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