Sensitivity and resistance of amperometric biosensors in substrate inhibition processes

R Swaminathan, MC Devi, L Rajendran… - Journal of …, 2021 - Elsevier
A theoretical model of a sensitivity and resistance of amperometry biosensors with substrate
inhibition kinetics is discussed. This model is based on the system of non-stationary diffusion …

Analytical expressions for the concentration and current in the reduction of hydrogen peroxide at a metal-dispersed conducting polymer film

R Swaminathan, K Venugopal, M Rasi, M Abukhaled… - Química …, 2020 - SciELO Brasil
A mathematical model describing the reduction of Hydrogen peroxide (H2O2) to water in a
metal dispersed conducting polymer film is discussed. The model is based on a system of …

Reaction/diffusion equation with Michaelis-Menten kinetics in microdisk biosensor: Homotopy perturbation method approach

R Swaminathan, KL Narayanan, V Mohan… - International Journal of …, 2019 - Elsevier
This paper presents the non steady state model of a microdisk enzyme based biosensor
where the enzyme reacts directly on the electrode itself. The model is based on diffusion …

Approximate analytical solution for non-linear reaction diffusion equations in a mono-enzymatic biosensor involving Michaelis–Menten kinetics

OM Kirthiga, L Rajendran - Journal of Electroanalytical Chemistry, 2015 - Elsevier
Here we consider the case where the enzyme reacts with an electroinactive substrate to
produce an electroactive product which is quickly oxidized or reduced at the electrode/film …

Analytical expression of transient current-potential for redox enzymatic homogenous system

M Rasi, L Rajendran, A Subbiah - Sensors and Actuators B: Chemical, 2015 - Elsevier
Mathematical modeling pertaining to the catalytic response of a redox enzymatic system is
discussed. The model proposed herein describes the relationship between the …

[PDF][PDF] Semi-analytical solution for surface coverage model in an electrochemical arsenic sensor using a new approach to Homotopy perturbation method

V Ananthaswamy, S Narmatha - International Journal of Modern …, 2019 - researchgate.net
The theoretical model for the surface coverage parameter of an electrochemical sensor is
considered and discussed. Semi-analytical solution has been derived for arsenic …

A Theoretical Approach to Understand the Nonlinear Processes in Enzymatic Electrochemical Biosensors

M Annamalai, M Balu, S Alwarappan… - The Journal of …, 2024 - ACS Publications
The enzymatic biosensors' response can be monitored based on the results of nonlinear
differential equations. The nonlinear reaction-diffusion equations proposed for this enzyme …

[PDF][PDF] Semi-analytical solution for amperometric enzyme electrode modelling with substrate cyclic conversion using a new approach to Homotopy perturbation method

S Narmatha, V Ananthaswamy - Advances in …, 2019 - research-publication.com
The mathematical model pertaining to amperometric enzyme electrode with substrate cyclic
conversion in a single enzyme membrane has been considered. The model is based on non …

Enzyme-catalyzed oxygen reduction reaction in biofuel cells: analytical expressions for chronoamperometric current densities

M Rasi, L Rajendran… - Journal of The …, 2015 - iopscience.iop.org
The transient current–potential response of the enzyme-catalyzed oxygen reduction reaction
in biofuel cells is analyzed. The one-dimensional nonlinear reaction-diffusion equation is …

Application of Taylor's series with Ying Buzu Shu algorithm for the nonlinear problem in amperometric biosensors

B Manimegalai, R Swaminathan, MEG Lyons… - International Journal of …, 2022 - Elsevier
The enzyme combines with an electroinactive substrate to produce an electroactive product
that is oxidised or reduced rapidly at the electrode/film interface in this method. This model is …