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Chemical Sensors: Simulation and Modeling Volume 5: Electrochemical Sensors by Ghenadii Korotcenkov

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CHAPTER 9

BIOSENSORS: MODELING AND SIMULATION OF DIFFUSION-LIMITED PROCESSES

L. Rajendran

1.  INTRODUCTION

1.1.  ENZYME KINETICS

Kinetics is the study of rates of chemical reactions. Enzymes are little molecular machines that carry out reactions in cells. Enzymes are catalysts which reduce the needed activation energy so these reactions proceed at rates that are useful to the cell. Enzymes are catalysts (generally proteins) that help to convert other molecules called substrates into products, but they themselves are not changed by the reaction. Their most important features are catalytic power, specificity, and regulation. Enzymes accelerate the ...

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