Kinetics, 295 oxygen

Porras, A.G., Olson, J.S. and Palmer, G. (1981). The reaction of reduced xanthine oxidase with oxygen kinetics of peroxide and superoxide formation. J. Biol. Chem. 256, 9096-9103. 

Tarasevich MR, Zhutaeva GV, Bogdanovskaya VA, Radina MV, Ehrenburg MR, Chalykh AE. 2007. Oxygen kinetics and mechanism at electrocatalysts on the base of palladium-iron system. Electrochim Acta 52 5108-5118. 

Petersen LC. 1977. The effect of inhibitors on the oxygen kinetics of cytochrome c oxidase. Biochem Biophys Acta 460 299-307. 

In alkaline solution (pH 11), the complex is present as a p-oxo dimer and ascorbic acid is fully deprotonated. In the absence of oxygen, kinetic traces show the reduction of Fe(III) to Fe(II) with a reaction time on the order of an hour at [H2A] =5xlO-3M. The product [Fen(TPPS)] is very sensitive to oxidation and is quickly transformed to Fe(III) when 02 is added. This leads to a specific induction period in the kinetic traces which increases with increasing [02]. The net result of the induction period is the catalytic two-electron autoxidation of ascorbic acid in accordance with the following kinetic model (23) ... 

Photochemical Mechanisms, Highly Complex (Johnston and Cramarossa) Photochemical Oxidation of Aldehydes by Molecular Oxygen, Kinetics... 

Photochemical Oxidation of Aldehydes by Molecular Oxygen, Kinetics... 

Aside from the preceding argument based on the oxygenation kinetics, no quantitative experimental estimates of the singlet-triplet separation in TMB have been reported. If a suitable precursor of the TMB radical anion in the gas phase can be made, photodetachment PES of TMB would become a likely way to solve this problem. 

Fig. 2. Polymerization reactions in the presence of radical scavenging oxygen. Kinetic constants are approximate values for methyl methacrylate...

R.A. Yetter, F.L. Dryer, and H. Rabitz. A Comprehensive Reaction Mechanism for Carbon Monoxide/Hydrogen/Oxygen Kinetics. Combust. Sci. Techn., 79 97-128, 1991. 

Retro-cycloaddition extrusion of the metaphosphate moiety from 2,3-oxa-phosphabicyclo[2.2.2]octene derivatives (79), in 1,2-dichloroethane at 100 °C in the presence of PrOH, has been shown to proceed via an unsymmetrical transition state in which C—P bond breakage and P=0 bond formation are more advanced than C—O breakage.39 The secondary deuterium isotope effect on H adjacent to the P—C bond is 1.060 0.008 for (79a) and 1.081 0.009 for (79b) and the oxygen kinetic isotope effect on the P—O—C bridge is 0.9901 0.0016 for (79a). 

OXYGEN KINETIC ISOTOPE EFFECTS APPLICATIONS TO MECHANISTIC STUDIES 437... 

Studies of oxygen kinetic isotope effects (lsO KIEs) have provided an unprecedented level of insight concerning the reactivity of 02, 02", and H202 with... 

The combustion reaction rate is controlled both by the availability of fuel and oxygen kinetic effects (temperature). In full-scale fire modeling, the resolvable length and time scales are usually much larger than those associated with the scales of the chemical combustion reaction, and it is common to assume that the reactions are infinitely fast. The local reaction rate depends on the rate at which oxygen and fuel are transported toward the surface of stoichiometric mixture fraction, shown in Figure 20.2 as a point where both oxygen and fuel mass fractions go to zero. For almost 20 years, the EBU or eddy dissipation models were the standard models used by the combustion CFD community. With the EBU, in its simplest form, the local rate of fuel consumption is calculated as [3] ... 

Stahl, S.S., Fransicsco, W. A., Merkx, M., Klinman, J.P., and Lippard, S.J. (2001) Oxygen kinetic isotope effects in soluble methane monooxygenase, J. Biol. Chem. 276,4549-4553. 

A. T. Pudzianowski and G. H. Loew, /. Phys. Chem., 87, 1081 (1983). Hydrogen Abstractions from Methyl Groups by Atomic Oxygen. Kinetic Isotope Effects Calculated from MNDO/UHF Results and an Assessment of Their Applicability to Monooxygenase-Dependent Hydroxylations. 

Photochemical Oxidation of Alkehydes by Molecular Oxygen, Kinetics and Mechanism of (Niclause, Lemaire, and... 

The heterobimetalUc complex [Os(N)Me(CH2SiMe3)(/u.-0)Cr02] has been characterised stmcturally and shown to be active in the catalysis of the oxidation of benzyl alcohol by molecnlar oxygen. Kinetic data are consistent with a mechanism involving initial binding of the alcohol... 

The reactions considered were simultaneous CO oxidation and NO reduction, using a kinetic model for rhodium catalyst [25]. Initial and boundary conditions for the concentrations of reactants were the same as given by Lie et al., NO oscillating in phase with oxygen. Kinetic and reactor parameters used were mentioned in Section 8.IV.A. 

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