Figure 2.

Agarose gel electrophoresis analysis of PLA-PEG-NPs combining with DNA at different mass ratio.Lane1,8: DNA Control;Lane27: the mass ratio of NPs/DNA was 10:1, 50:1, 100:1, 150:1, 200:1, 500:1, respectively

Zou et al. Nanoscale Research Letters 2009 4:982-992   doi:10.1007/s11671-009-9345-3