نتایج جستجو برای: chemical shift imaging
تعداد نتایج: 945818 فیلتر نتایج به سال:
Proton decoupled 31P NMR spectroscopy of the occipital brain of healthy volunteers was performed with a 1.5 T whole-body imager. By use of two-dimensional chemical-shift imaging in combination with slice-selective excitation well resolved localized spectra (38 ml) were obtained within 34 min from which the homonuclear 31P-31P J-coupling constants of ATP could be determined: J(gammabeta) = 16.1 ...
In high-field nuclear magnetic resonance (NMR) spectroscopy, the sensitivity of the xenon chemical shift to its environment1 has been exploited to study porosity and surface interactions in materials2, as well as to probe xenon interactions with molecules3 and proteins4 in solution. In recent years, polarization enhancement through optical pumping5 techniques has further advanced the utility of...
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