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Nanofluidic channels fabrication and manipulation of DNA molecules

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10 Author(s)
K. Wang ; Inst. of Optoelectronics, Shenzhen Univ., China ; S. Yue ; L. Wang ; A. Jin
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Nanofluidic channel arrays, which have a width of about 40 nm, depth of 60 nm and length of 50 μm, were created using a focused-ion-beam milling instrument on a silicon nitride film swiftly and exactly, as is necessary. Stained λ-DNA molecules were put inside these sub-100 nm conduits by capillary force and they were stretched and transferred along these conduits, which were dealt with activating reagent Brij aqueous solution in advance. The movements of DNA molecules in these channels were discussed. These nano-structure channels may be useful in the study and analysis of the statics as well as the dynamics of single biomolecules.

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IEE Proceedings - Nanobiotechnology  (Volume:153 ,  Issue: 1 )