In this study. pEGFP-LUC was used as a model plasmid and three distinct cationic lipids (dioleyloxy-propyl-trimethylammonium chloride [DOTMA]. dioleoyl trimethylammonium propane [DOTAP]. and cetylpyridinium chloride [CPC]) were tested along with PEG 5000. https://www.mamapaisa.com/product-category/color-additives/