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. 2012 Jun 14;7:2929–2942. doi: 10.2147/IJN.S31760

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© 2012 Sun et al, publisher and licensee Dove Medical Press Ltd.

This is an Open Access article which permits unrestricted noncommercial use, provided the original work is properly cited.

PMC Copyright notice

Characterization of PEI/DNA complex (n = 3). (A) Average particle size, (B) Zeta-potential.

Note: The PEI/DNA complexes were prepared at an N/P ratio ranging from 5:1 to 40:1, determined using photon correlation spectroscopy.

Abbreviations: PEI, polyethyleneimine; TEG, triethyleneglycol; PEI-TEG, polyethyleneimine and triethyleneglycol polymer; A, mannosylated PEI-TEG derivative A; B, mannosylated PEI-TEG derivative B; C, mannosylated PEI-TEG derivative C; PEI25k, polyethyleneimine with a molecular weight of 25 kD.