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In relation to this article, we declare that there is no conflict of interest.
Publication history
Received October 20, 2005
Accepted January 13, 2006
articles This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/bync/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
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Undamped oscillations in bacterial glycolysis models

Department of Chemical Engineering, National United University, Miao-Li 360, Taiwan
chuang@nuu.edu.tw
Korean Journal of Chemical Engineering, May 2006, 23(3), 419-427(9), 10.1007/BF02706744
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Abstract

The exotic dynamical behaviors exhibited in chemical reaction systems, such as multiple steady states, undamped oscillations, chaos, and so on, often result from unstable steady states. A bacterial glycolysis model is studied, which involves the generation of adenosine triphosphate (ATP) in a flow system and consists of eight species and ten reactions. A minimum subnetwork of the bacterial glycolysis model is determined to exhibit an unstable steady state with a positive real eigenvalue, which gives rise to undamped oscillations for a small perturbation. A set of rate constants and the corresponding unstable steady state are computed by using a positive real eigenvalue condition. The phenomena of oscillations and bifurcation are discussed. These results are extended to the bacterial glycolysis model and several parent networks.

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