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Polyelectrolyte multilayers on silica colloids are investigated here using a combination of fast magic-angle spinning (MAS) and double-quantum (DQ) solid-state 1H NMR techniques. 2D DQ 1H NMR spectra of the bulk complex and the multilayer films (see Figure) are found to be similar, revealing complexation between the alternating layers of poly(sodium 4-styrenesulfonate) (PSS) and poly(diallyldimethylammonium chloride) (PDADMAC).
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Rodriguez et al. (2000) studied this question.
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