Cross Polarization Methods for Characterizing Filler Interactions

2 Cross Polarization Methods for Characterizing Filler Interactions 

Cross polarization (CP), at its most basic, consists of a trcuisferal of magnetization from an abundant, sensitive nucleus (proton, for example) to a less abundant X spin 

The detection and quantification of multiple quantum coherences in spinning and static samples have also been utilized to detect changes in surface interactions [83-86]. 

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