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Reaction front propagation of actin polymerization in a comb-reaction system

A. Iomin, V. Zaburdaev and T. Pfohl

Chaos, Solitons & Fractals, 2016, vol. 92, issue C, 115-122

Abstract: We develop a theoretical model of anomalous transport with polymerization-reaction dynamics. We are motivated by the experimental problem of actin polymerization occurring in a microfluidic device with a comb-like geometry. Depending on the concentration of reagents, two limiting regimes for the propagation of reaction are recovered: the failure of the reaction front propagation and a finite speed of the reaction front corresponding to the Fisher-Kolmogorov-Petrovskii-Piscounov (FKPP) at the long time asymptotic regime. To predict the relevance of these regimes we obtain an explicit expression for the transient time as a function of geometry and parameters of the experimental setup. Explicit analytical expressions of the reaction front velocity are obtained as functions of the experimental setup.

Keywords: Comb model; Subdiffusion; Actin polymerization; Reaction front; Hyperbolic scaling (search for similar items in EconPapers)
Date: 2016
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Citations: View citations in EconPapers (2)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:chsofr:v:92:y:2016:i:c:p:115-122

DOI: 10.1016/j.chaos.2016.09.011

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