Browsing Department of Physics by Author "Singh, A.R."

Browsing Department of Physics by Author "Singh, A.R."

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  • Effects of molecular crowding on stretching of polymers in poor solvent 
    Singh, A.R.; Giri, D.; Kumar, S. (2009-05-11)
    We consider a linear polymer chain in a disordered environment modeled by percolation clusters on a square lattice. The disordered environment is meant to roughly represent molecular crowding as seen in cells. The model ...
  • Force induced melting of the constrained DNA 
    Singh, A.R.; Giri, D.; Kumar, S. (2010-06-21)
    We develop a simple model to study the effects of the applied force on the melting of a double stranded DNA (dsDNA). Using this model, we could study the stretching, unzipping, rupture and slippagelike transition in a ...
  • Force induced unfolding of biopolymers in a cellular environment: A model study 
    Singh, A.R.; Giri, D.; Kumar, S. (2009)
    Effect of molecular crowding and confinement experienced by protein in the cell during unfolding has been studied by modeling a linear polymer chain on a percolation cluster. It is known that internal structure of the cell ...

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