Reactions between Hydroperoxides and Fe2+ to investigate Redox Processes in Biological Objects: A Kinetics Study

The kinetics of chemiluminescence induced by the Fenton reaction in organic compounds and chemiluminescence induced in organic hydroperoxides by divalent iron was calculated. The base of the simulation is 34 reactions scheme, including primary interactions of divalent iron with hydrogen peroxide (HOOH) and organic hydroperoxide (ROOH). The system of chemical kinetics equations was numerically solved by means of the program MathCad 14. The chemiluminescence light sum was investigated in terms of the concentrations of organic matter [RH], inhibitor [InH] and [ROOH]. The calculation results allow us to conclude that the variations in the chemiluminescence light sums induced in each sample by the Fenton reaction and with only divalent iron permit us to determine the susceptibility of a substratum to peroxidation by hydroxyl radicals and to evaluate the rate of free-radical processes in which the sample is involved.