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Adsorption of a hydrophobic-polar-model heteropolymer in an attractive nanotube

Handan Arkin*

  • Faculty of Engineering, Department of Physics Engineering Tandoğan, Ankara University, Ankara 06100, Turkey

  • *handan.olgar@eng.ankara.edu.tr
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Phys. Rev. E 80, 041910 – Published 8 October, 2009

DOI: https://doi.org/10.1103/PhysRevE.80.041910

Abstract

The adsorption of an off-lattice hydrophobic-polar-model heteropolymer in an attractive hydrophobic nanotube is presented by means of a multicanonical Monte Carlo simulation. In the model, the Lennard-Jones potential is assumed as an interaction potential between the effective monomers and the nanotube wall. The global minimum-energy configurations and the values of radius of gyration and end-to-end distance of these configurations are compared for both pure hydrophobic and polar heteropolymer models and with interaction term included model. The low-energy conformations for heteropolymers are extended when they interact with the nanotube which the conformational extensions are detected with some structural parameters.

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Phys. Rev. E 80, 041910– Published 8 October, 2009
  • Received 19 February 2009

© 2009 American Physical Society

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