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Journal Article

On an optimal setting of delays for the D-QSSA model reduction method applied to a class of chemical reaction networks

Matonoha Ctirad, Papáček Štěpán, Lynnyk Volodymyr

: Applications of Mathematics vol.67, p. 831-857

: GA19-05872S, GA ČR

: reaction network, model reduction, singular perturbation, quasi-steady-state approximation, D-QSSA method, optimization

: 10.21136/AM.2022.0136-21

: https://dx.doi.org/10.21136/AM.2022.0136-21

(eng): We develop and test a relatively simple enhancement of the classical model reduction method applied to a class of chemical networks with mass conservation properties. Both the methods, being (i) the standard quasi-steady-state approximation method, and (ii) the novel so-called delayed quasi-steady-state approximation method, firstly proposed by Vejchodský (2014), are extensively presented. Both theoretical and numerical issues related to the setting of delays are discussed. Namely, for one slightly modified variant of an enzyme-substrate reaction network (Michaelis-Menten kinetics), the comparison of the full non-reduced system behavior with respective variants of reduced model is presented and the results discussed. Finally, some future prospects related to further applications of the delayed quasi-steady-state approximation method are proposed.

: 10101

07.01.2019 - 08:39