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. Author manuscript; available in PMC: 2019 Feb 1.
Published in final edited form as: Colloids Surf B Biointerfaces. 2017 Dec 12;162:405–414. doi: 10.1016/j.colsurfb.2017.12.021

Fig. 2.

Fig. 2

Characterization of protein-polycation complex systems. (a) DLS particle size analysis for BSA:PEI complexes at different BSA:PEI mass ratios. The value behind ‘±’ describes the half-peak width of the size distribution. (b) Agarose gel retention assays for FITC-BSA:PEI (the 7 lanes on the left) and BSA:FITC-PEI (the 7 lanes on the right) complexes at different mass ratios. The images were taken before (upper row) and after (lower row) staining by coomassie blue.