Zobrazeno 1 - 10
of 57
pro vyhledávání: '"Kapri, Rajeev"'
The translocation of biopolymers, such as DNA and proteins, across cellular or nuclear membranes is essential for numerous biological processes. The translocation dynamics are influenced by the properties of the polymers, such as polymer stiffness, a
Externí odkaz:
http://arxiv.org/abs/2407.18872
Publikováno v:
Phys. Rev. E 108, L022401 (2023)
We numerically study stochastic resonance in the unzipping of a model double-stranded DNA by a periodic force. We observe multiple peaks in stochastic resonance in the output signal as the driving force frequency is varied for different force amplitu
Externí odkaz:
http://arxiv.org/abs/2308.09914
Publikováno v:
Scientific Reports 12, 19081 (2022)
We study the translocation of a semiflexible polymer through a conical channel with attractive surface interactions and a driving force which varies spatially inside the channel. Using the results of the translocation dynamics of a flexible polymer t
Externí odkaz:
http://arxiv.org/abs/2205.13246
Autor:
Kapri, Rajeev
Publikováno v:
Phys. Rev. E 104, 024401 (2021)
Using Langevin dynamics simulations, we study the hysteresis in unzipping of longer double stranded DNA chains whose ends are subjected to a time dependent periodic force with frequency $\omega$ and amplitude $G$ keeping the other end fixed. We find
Externí odkaz:
http://arxiv.org/abs/2104.07170
We study the driven translocation of a flexible polymer through an interacting conical pore using Langevin dynamics simulations. We find that, for a fixed value of externally applied force and pore polymer interaction strength, the mean residence tim
Externí odkaz:
http://arxiv.org/abs/2102.08067
Autor:
Yadav, Ramu Kumar, Kapri, Rajeev
Publikováno v:
Phys. Rev. E 103, 012413 (2021)
Using Monte Carlo simulations, we study the hysteresis in unzipping of a double stranded block copolymer DNA with $-A_n B_n-$ repeat units. Here $A$ and $B$ represent two different types of base pairs having two- and three-bonds, respectively, and $2
Externí odkaz:
http://arxiv.org/abs/2010.13367
Autor:
Kalyan, M. Suman, Kapri, Rajeev
Publikováno v:
J. Chem. Phys. 150, 224903 (2019)
The unzipping of a double stranded DNA whose ends are subjected to a time dependent periodic force with frequency $\omega$ and amplitude $G$ is studied using Monte Carlo simulations. We obtain the dynamical order parameter, $Q$, defined as the time a
Externí odkaz:
http://arxiv.org/abs/1811.08082
Publikováno v:
J. Chem. Phys. 148, 164901 (2018)
We study the translocation of a semiflexible polymer through extended pores with patterned stickiness, using Langevin dynamics simulations. We find that the consequence of pore patterning on the translocation time dynamics is dramatic and depends str
Externí odkaz:
http://arxiv.org/abs/1709.05459
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