Such signals are typically weak due to the absence of nuclear Overhauser effects.
2.
However, their effect on nuclear spin relaxation results in measurable nuclear Overhauser effects ( NOEs ).
3.
They can be employed to explain the nuclear Overhauser effect, which is an important tool in determining molecular structure.
4.
Nuclear Overhauser effect spectroscopy ( NOESY ) is a specialized type of nuclear magnetic resonance spectroscopy where distances between atoms can be measured.
5.
The latter is the important term which is responsible for transferring magnetization from one spin to the other and gives rise to the nuclear Overhauser effect.
6.
Protein structures from NMR spectroscopy also show helices well, with characteristic observations of nuclear Overhauser effect ( NOE ) couplings between atoms on adjacent helical turns.
7.
While the Overhauser effect relies on time-dependent electron-nuclear interactions, the remaining polarizing mechanisms rely on time-independent electron-nuclear and electron-electron interactions.
8.
There are " through-bond " interactions and " through-space " interactions, the latter usually being a consequence of the nuclear Overhauser effect.
9.
The rapid changes in proton spin create an effective heteronuclear decoupling, increasing carbon signal strength on account of the nuclear Overhauser effect ( NOE ) and simplifying the spectrum so that each nonequivalent carbon produces a singlet peak.
10.
One method may be through nuclear Overhauser effect ( NOE ), for example, for 13 C signal, the signal-to-noise ratio can be improved three-fold when the attached protons are saturated.
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