10.6084/m9.figshare.11598786.v1 Qingxiu Liu Qingxiu Liu Wei Zhang Wei Zhang Siying Chen Siying Chen Zhenjing Zhuang Zhenjing Zhuang Yi Zhang Yi Zhang Lingli Jiang Lingli Jiang Jun LIN Jun LIN MOESM3 of SELEX tool: a novel and convenient gel-based diffusion method for monitoring of aptamer-target binding Springer Nature 2020 Aptasensor Monitor Aptamer Interaction Visualization Diffusion 2020-01-14 05:16:55 Journal contribution https://springernature.figshare.com/articles/journal_contribution/MOESM3_of_SELEX_tool_a_novel_and_convenient_gel-based_diffusion_method_for_monitoring_of_aptamer-target_binding/11598786 Additional file 3: Figure S2. Optimization (A) and analysis (B) of the diffusion distance by using streptavidin (SA) and biotinylated oligodeoxynucleotides (Bio-ODN) by double diffusion. Arrows: target-DNA binding complexes. Concentration of Bio-ODN: 5 μM. Targets concentration: 1.0 μg/μL. Diffusion time was 6 h at room temperature. Bovine serum albumin (BSA) as a negative control.