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A robust new solid-state nuclear magnetic resonance (NMR) method for selecting CH 2 signals in magic-angle spinning (MAS) 13 C NMR spectra is presented. Heteronuclear dipolar evolution for a duration of 0.043ms, under MREV-8 homonuclear proton decoupling, converts 13 C magnetization of CH 2 groups into two- and three-spin coherences. The CH 2 selection in the...
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