Modelling of reaction-diffusion process at carbon nanotube - Redox enzyme composite modified electrode biosensor

被引：6
|
作者：
Murali, Kirthiga [2 ]
Sonaiyappan, Balamurugan [2 ]
Lakshmanan, Rajendran [1 ]
机构：
[1] Acad Maritime Educ & Training, Kanathur 603112, Tamil Nadu, India
[2] Govt Arts Coll, Dept Math, Madurai 625101, Tamil Nadu, India
来源：
CHEMICAL PHYSICS LETTERS | 2019年 / 715卷
关键词：
Nonlinear reaction diffusion equation; New homotopy perturbation method; Biosensor; Redox enzyme electrode; Carbon nanotube; SELF-ASSEMBLED MONOLAYERS; HOMOTOPY PERTURBATION METHOD; HORSERADISH-PEROXIDASE; POLYMER-FILMS; KINETICS; TRANSPORT; ELECTROCHEMISTRY; CATALYSIS;
D O I：
10.1016/j.cplett.2018.11.019
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
A mathematical model of transport and kinetics of substrate, redox-mediator in surface deposited film is discussed. The model is based on the system of non-linear reaction diffusion equations containing a nonlinear term related to the Michaelis-Menten kinetic of the enzymatic reaction. The non-linear reaction diffusion equations in amperometric biosensors are solved using New Homotopy perturbation method. The effect of various parameters on current density is discussed. Numerical simulation for concentration profile and flux was carried out and compared with the analytical results. A satisfactory agreement is noted. A graphical procedure for estimating the kinetic parameters and sensitive analysis is suggested.
引用
收藏
页码：20 / 28
页数：9
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