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Superimposed AC and DC electric field guided deposition of a single DNA molecule along a microfabricated gap

Superimposed AC and DC electric field guided deposition of a single DNA molecule along a microfabricated gap,10.1109/NANO.2003.1231016,Kyong-Hoon Lee,

Superimposed AC and DC electric field guided deposition of a single DNA molecule along a microfabricated gap   (Citations: 1)
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A single DNA molecule was deposited along a two-electrode microfabricated gap, using the Composite Electric-field Guided Assembly (CEGA) method. The suggested nano-assembly technique based on a superimposed ac- and dc electric field enabled attraction of a single DNA molecule out of an extremely diluted aqueous solution (∼10 aM), subsequent stretching and deposition of the molecule along a gap formed by a pair of electrodes. The stretching of the single DNA is attributed to an electrohydrodynamic flow generated by the electric field.
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    • ...Forces resulting from an electric field can be advantageous for the manipulation of micro/nanoscale particles because both the amplitude and the direction of forces can be controlled by the applied electric field strength and frequency [5]...
    • ...Chung et al. [10] and Lee et al. [5] assembled the multi-walled CNTs and DNA by combining AC and DC electric fields...
    • ...In experiment performed by Lee et al. [5], a pair of semi-circular-shaped aluminium electrodes (gap width =6 m) were microfabricated on an oxide-coated (5000 û A) silicon substrate...

    Yaling Liuet al. Immersed electrokinetic finite element method

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