Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Physicochemical characterization of polyplexes made of PSIA and pDNA at various polymer to gene ratios (w/w) in water: (A) agarose gel electrophoresis of polyplexes; (B) TEM image of polyplexes at the polymer to gene ratio (w/w) of 20 (scale bar: 200 nm); (C) particle size distribution and zeta potential measurement of polyplexes.
Abbreviations: PSIA, polyspermine imidazole-4, 5-amide; TEM, transmission electron microscopy.
