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We describe two types of models. In the first one it is assumed that regulation of enzyme activity occurs by the product of the enzyme reaction. In the second it is assumed that concomitant action of ligand occurs on at least two targets with opposite effects (dual-action model). Kinetic analysis of models of the first type shows that homeostatic response… (More)
Enhanced chemiluminescence (ECL) describes the phenomenon of increased light output in the luminol oxidation reaction catalysed by horseradish peroxidase (HRP) in the presence of certain compounds, such as para-iodophenol. In this work, the effects of phenol on the para-iodophenol-enhanced HRP-catalysed chemiluninescent reaction intensity in an aqueous… (More)
We have studied the kinetics of the conservative behavior of systems which are subject to the dual action of an external effector or a negative feedback. Conditions have been found under which the dual-action mechanism produces conservative behavior. Negative feedback alone was shown not to produce the conservative behavior of an enzyme-receptor system.
A theoretical kinetic model describing the behavior of a receptor-enzyme system during formation of drug addiction is considered in this article. The model assumes concomitant action of narcotic on at least two targets with opposite effects. Theoretical kinetic principles that the system must satisfy for the development of drug addiction are formulated.… (More)