Induction of apoptosis by nanoparticles on HUVECs. Data are expressed as mean ± SD, n = 6.
Abbreviations: eBev-DPPNs, electrostatically-conjugated bevacizumab-bearing DPPNs; cBev-DPNs, chemically-conjugated bevacizumab-bearing DPNs; PI, propidium iodide.