alexa Breather-Like Solutions of the Twisted DNA with Solvent
ISSN: 2161-0398

Journal of Physical Chemistry & Biophysics
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Research Article

Breather-Like Solutions of the Twisted DNA with Solvent Interaction

Donatien Toko1, Rosalie L Woulache1,2, Conrad B Tabi3, Louis Kavitha4, Alidou Mohamadou2,3,5* and Timoleon C Kofane1
1Laboratory of Mechanics, Department of Physics, Faculty of Science, University of Yaounde I, P.O. Box 812, Yaounde, Cameroon
2The Abdus Salam International Centre for Theoretical Physics, P.O. Box 538, Strada Costiera 11, I-34014, Trieste, Italy
>3Biophysics Laboratory, Department of Physics, Faculty of Science, University of Yaounde I, P.O. Box 812, Yaounde, Cameroon
4Department of Physics, Periyar University, Salem 636 011, India
5Condensed Matter Laboratory, Department of Physics, Faculty of Science, University of Douala, P.O. Box 24157, Douala, Cameroon
Corresponding Author : Alidou Mohamadou
The Abdus Salam International Centre for Theoretical Physics
P.O. Box 538, Strada Costiera 11
I-34014, Trieste, Italy
E-mail: [email protected]
Received January 14, 2013; Accepted February 04, 2013; Published February 06, 2013
Citation: Toko D, Woulache RL, Tabi CB, Kavitha L, Mohamadou A, et al. (2013) Breather-Like Solutions of the Twisted DNA with Solvent Interaction. J Phys Chem Biophys 3:112. doi:10.4172/2161-0398.1000112:
Copyright: © 2013 Toko D, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
 

Abstract

We study the propagation of localized excitations in a DNA molecule which takes into account helicity and solvent interaction. The small amplitude dynamics of the model is described by envelope solutions made of breathers. Our solutions drastically depends on the twist angle and solvent interaction. It is found that increasing the twist angle decreases the width of the pulse which can be used for the transportation of energy. Increase the solvent interaction term, increases the width of the pulses while the number of waves train decreases with time. The stability of the solutions has been checked through numerical simulations.

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