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. Author manuscript; available in PMC: 2016 Mar 27.
Published in final edited form as: Nanotechnology. 2015 Mar 5;26(12):125501. doi: 10.1088/0957-4484/26/12/125501

Figure 4.

Figure 4

Fluorescent images of λ DNA stretching with a gap distance of 9 µm (a), 15 µm (b), and 30 µm (c) in 2× diluted TAE buffer and selected cross-sectional plots of fluorescence intensity at z = −4 µm and −8 µm. White arrows indicate stretched DNA. The applied AC voltage is 23.4 Vpp(a), 33.3 Vpp(b), and 41.1 Vpp(c).