2009
DOI: 10.15388/na.2009.14.1.14532
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Computational Modelling of Biosensors with an Outer Perforated Membrane

Abstract: This paper presents one-dimensional (1-D) and two-dimensional (2-D) in-space mathematical models for amperometric biosensors with an outer perforated membrane. The biosensor action was modelled by reaction-diffusion equations with a nonlinear term representing the Michaelis-Menten kinetics of an enzymatic reaction. The conditions at which the 1-D model can be applied to simulate the biosensor response accurately were investigated numerically. The accuracy of the biosensor response simulated by using 1-D model … Show more

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Cited by 16 publications
(11 citation statements)
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“…where ρ stands for the perforation level of the membrane expressed as the volume fraction of the holes, θ 2 and θ 3 are the tortuosities defining the structural properties of the corresponding media. Similar approach for estimating the effective diffusion coefficients was also applied to formulating the two-dimensional model of the considered biosensor (Baronas et al, 2011) and to modelling the biosensor with the perforated membrane in the one-dimensional space (Petrauskas and Baronas, 2009).…”
Section: Output Of the Biosensormentioning
confidence: 99%
“…where ρ stands for the perforation level of the membrane expressed as the volume fraction of the holes, θ 2 and θ 3 are the tortuosities defining the structural properties of the corresponding media. Similar approach for estimating the effective diffusion coefficients was also applied to formulating the two-dimensional model of the considered biosensor (Baronas et al, 2011) and to modelling the biosensor with the perforated membrane in the one-dimensional space (Petrauskas and Baronas, 2009).…”
Section: Output Of the Biosensormentioning
confidence: 99%
“…Pasiūlyto keturių sluoksnių 1-D modelio rezultatai buvo palyginti ir su žinomo trijų sluoksnių 1-D modelio rezultatais. Pastarasis yra sudaromas visą perforuotą membraną pakeičiant vienu homogenišku sluoksniu, neišskiriant membranos dalies, kurioje skylutės užpildytos fermento (Petrauskas, Baronas, 2009).…”
Section: įVadasunclassified
“…Abu šie parametrai neturi fi zikinės prasmės (Schulmeister, Pfeiffer, 1993), tad negali būti gaunami tiesiogiai. Šių parametrų reikšmes galima rasti analiziniais metodais arba atliekant skaitinius eksperimentus (Bakhvalov, Panasenko, 1989;Petrauskas, Baronas, 2009). Srovės tankis 1-D modelyje skaičiuojamas analogiškai kaip ir 2-D modelyje, tačiau 1-D atveju tankį užtenka skaičiuoti viename erdvės taške:…”
Section: Trijų Sluoksnių 1-d Matematinis Modelisunclassified
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