Fig. 6From: Isolation of DNA from Arthrospira platensis and whole blood using magnetic nanoparticles (Fe3O4@OA and Fe3O4@OA@SiO2)Agarose gel electrophoresis of DNA isolated from Arthrospira platensis. Lane 1: 1 kb plus DNA ladder (Invitrogen); DNA are extracted through phenol/chloroform (lanes 2–4), Fe3O4@OA (lanes 5–7), Fe3O4@OA@SiO2 (lane 8–10), silica column (lane 11–13)Back to article page