23 citations · 78 across the 9 of their papers we have counts for
6 papers · 1 filter
Dynamic phase transition in the conversion of B-DNA to Z-DNA
Jaya Maji, Somendra M. Bhattacharjee
The long time dynamics of the conformational transition from B-DNA to Z-DNA is shown to undergo a dynamic phase transition. We obtained the dynamic phase diagram for the stability…
Manipulating a single adsorbed DNA for a critical endpoint
Rajeev Kapri, Somendra M. Bhattacharjee
We show the existence of a critical endpoint in the phase diagram of unzipping of an adsorbed double-stranded (ds) polymer like DNA. The competition of base pairing, adsorption and…
Randomly forced DNA
Rajeev Kapri, Somendra M. Bhattacharjee
We study the effect of random forces on a double stranded DNA in unzipping the two strands, analogous to the problem of an adsorbed polymer under a random force. The ground state d…
Unzipping DNA by force: thermodynamics and finite size behaviour
Rajeev Kapri, Somendra M. Bhattacharjee
We discuss the thermodynamic behaviour near the force induced unzipping transition of a double stranded DNA in two different ensembles. The Y-fork is identified as the coexisting p…
Complete Phase Diagram of DNA Unzipping: Eye, Y-fork and triple point
Rajeev Kapri, Somendra M. Bhattacharjee, Flavio Seno
We study the unzipping of double stranded DNA (dsDNA) by applying a pulling force at a fraction from the anchored end. From exact analytical and numerical res…
Helicase activity on DNA as a propagating front
Somendra M. Bhattacharjee
We develop a propagating front analysis, in terms of a local probability of zipping, for the helicase activity of opening up a double stranded DNA (dsDNA). In a fixed-distance ense…