Statistical properties of the electrophoretic collision of a long DNA molecule with a small obstacle.


We present experimental results for the collision of a single λ-DNA molecule with isolated cylindrical nanoposts whose radii range from 350 nm to 1.37 μm. The experimental apparatus was fabricated in oxidized silicon using a plasma-thinning method. The probability density for the dimensionless holdup time is described by a gamma distribution, which… (More)
DOI: 10.1002/elps.201100471


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