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4 papers · 1 filter
Dynamic scaling theory of the forced translocation of a semi-flexible polymer through a nanopore
Pui-Man Lam, Yi Zhen
We present a theoretical description of the dynamics of a semi-flexible polymer being pulled through a nanopore by an external force acting at the pore. Our theory is based on the…
Force Induced Unzipping of DNA with Long Range Correlated Noise
Pui-Man Lam, Yi Zhen
We derive and solve a Fokker-Planck equation for the stationary distribution of the free energy, in a model of unzipping of double-stranded DNA under external force. The autocorrel…
Discrete Persistent Chain Model for Protein Binding on DNA
Pui-Man Lam, Yi Zhen
We describe and solve a discrete persistent chain model of protein binding on DNA, involving an extra sigma_i s at a site i of the DNA. This variable takes the value 1 or 0 dependi…
Stretching self-interacting, partially directed, flexible and semi-flexible polymers by an external force
Pui-Man Lam, Yi Zhen
We study the model of a partially directed flexible or semi-flexible homopolymer on a square lattice, subject to an externally applied force, in a direction either parallel to, or…