title: Effect of charge density of cationic polyelectrolytes on complex formation with DNA.
mesh_terms: D001665:Binding Sites; D002412:Cations / Q000378:metabolism; D004247:DNA / Q000378:metabolism; D011108:Polymers; D013057:Spectrum Analysis; D013329:Structure-Activity Relationship
chemical_list: D002412:Cations; D011108:Polymers; D004247:DNA