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Toxicity (A) and immunostimulatory properties (B) of DNA triangles tested with and without lipofectamine 2000 (L2K). 0T–4T indicate the specific count of single-stranded thymines inserted within the junction of DNA triangles. HR refers to 4T DNA triangles with a hairpin region included. Each bar represents the mean of N = 3 biological repeats, and error bars denote mean ± SD.
