Jerzy T. Jodkowski

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Ab initio calculations at the G3 level were used in a theoretical description of the kinetics and mechanism of the chlorine abstraction reactions from mono-, di-, tri- and tetra-chloromethane by chlorine atoms. The calculated profiles of the potential energy surface of the reaction systems show that the mechanism of the studied reactions is complex and the(More)
CH(3)OX molecules (X = H, F, Cl and Br) can be formed in the atmosphere by the CH(3) + OX and CH(3)O + X recombination reactions. In the present study the results of a theoretical analysis of the kinetics and thermochemistry of this class of reactions are presented. The molecular properties of the reactants and products were derived from ab initio(More)
Ab initio calculations at the G2 level were used in a theoretical analysis of the kinetics of unimolecular and water-accelerated decomposition of the halogenated alcohols CX(3)OH (X = F, Cl, and Br) into CX(2)O and HX. The calculations show that reactions of the unimolecular decomposition of CX(3)OH are of no importance under atmospheric conditions. A(More)
Potential immunological activities of three compounds: RM54 and its two derivatives RM55 and RM56, were evaluated in several, selected in vitro and in vivo tests such as: mitogen-induced lymphocyte proliferation, cytokine production, the humoral immune response in vitro and carrageenan test. Leflunomide served as a reference drug. The studied compounds(More)
Flephedrone is an analogue of cathinone - chemically similar to ephedrine, cathine and other amphetamines. Conformations of all isomers of flephedrone have been studied at the quantum-chemical level. Calculations have been performed using DFT and MP2 methods with two basis sets - 6-31G and 6-31G(d,p). Results show that there are low energy conformers for(More)
A computer program is presented which enables iterative determination of the weighted standard curve and the quality control parameters calculation for the liquid phase radioimmunoassay which employs binding of labelled C1q as a measure of the presence of immunological complexes in serum samples. 22 independently performed laboratory tests were evaluated(More)
Ab initio calculations at the G2 level were used in a theoretical analysis of the kinetics of the decomposition of trifluoro-, trichloro-, and tribromomethanols. The high-pressure limiting rate coefficients k(diss,∞) for the thermal dissociation of CF(3)OH, CCl(3)OH, and CBr(3)OH were calculated using the conventional transition state theory. The results of(More)
Ab initio calculations at the G2 level were used in a theoretical description of the kinetics and mechanism of the hydrogen abstraction reactions from fluoro-, chloro- and bromomethane by chlorine atoms. The profiles of the potential energy surfaces show that mechanism of the reactions under investigation is complex and consists of two - in the case of(More)
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