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(Color online) Illustration of the mix-and-match fabrication process of microfluidic separation devices based on soft UV-NIL, contact lithography, and RIE techniques.
SEM of the patterned microfluidic channels and the two integrated nanopillar arrays with the same period , but with different feature sizes ( for A1 and for A2); the inset shows SEM image of diameter arrays with a height of .
Fluorescence images of DNA and T4 DNA single molecule migrating through different sized nanopillar arrays.
Electropherogram of DNA and T4 DNA separation at observation point P3, applied an electric field of .
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