Direct observation of <italic>λ</italic>-DNA molecule reversal movement within microfluidic channels under electric field with single molecule imaging technique

Direct observation of λ-DNA molecule reversal movement within microfluidic channels under electric field with single molecule imaging technique

Yang Fengyun¹, Wang Kaige^{1, †,}, Sun Dan¹, Zhao Wei^{1, 2}, Wang Hai-qing¹, He Xin¹, Wang Gui-ren², Bai Jin-tao¹

The instantaneous movement images of DNA moving in the micro-fluidic channel with different diameters: (a) 300 μm, (b) 10 μm, and (c) 5 μm.