(a) Cytotoxicity of the SE8Y (S1), S2E8Y (S2), and S4E8Y
(S4) protein
polymers against Hela cells. (b) In vitro cytotoxicity of SE8Y/Dox
(S1/Dox), S2E8Y/Dox (S2/Dox), and S4E8Y/Dox (S4/Dox) complexes and
free doxorubicin against HeLa cells. (c) IC50 values of
S1/Dox, S2/Dox, and S4/Dox complexes and free doxorubicin against
HeLa cells.