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. 2014 Mar 11;9:1311–1322. doi: 10.2147/IJN.S59726

Figure 4.

Figure 4

(A) Particle size (nm) of the OTMCS-PEI-R13/DNA complexes at w/w ratios of 5, 10, 20, 30, and 40. (B) Zeta potential (mV) of the OTMCS-PEI-R13/DNA complexes at w/w ratios of 5, 10, 20, 30, and 40. The data are expressed as the mean ± standard deviation (n=3). (C) Transmission electron micrograph of OTMCS-PEI-R13/DNA nanoparticles.

Abbreviations: OTMCS, N-octyl-N-quaternary chitosan; PEI, polyethylenimine; R13, RGDC-TAT (49–57); w/w, weight/weight.