摘要：

Cationic polyelectrolyte comprising multiple quaternary ammonium residues, e.g., poly(diallyldimethylammonium)chloride (PDADMAC) may be used in analytical and separation techniques involving polynucleotides. This polymer and polynucleotides form a strong interaction that may be utilized in separation techniques for polynucleotides, and for stabilizing polynucleotides on a surface.

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