نتایج جستجو برای: radiolysis
تعداد نتایج: 1232 فیلتر نتایج به سال:
The reaction of the hydroxy radical with thymidine and poly-hydroxy benzenes; i.e., catechol, resorcinol, hydroquinone, and pyrogallol, was studied by ESR spin trapping combined with the UV-A photolysis of hydrogen peroxide. The obtained relative reaction rates reasonably agreed with those previously obtained by pulse radiolysis. Electron distribution in the HOMO obtained by DFT calculations al...
•M 1991 RADIATION CHEMISTRY SO^-induced oxidation of 1,3,6-trimethyluracil and 1,3,5-trimethyluracil (1,3dimethylthymine) by potassium peroxodisulphate in aqueous Solution: an interesting contrast R. Rashid, F. Mark, H.-P. Schuchmann and C. von Sonntag 1081 Ultraviolet difFerence spectral studies in the y-radiolysis of D N A and model Compounds. II. Oxygen and temperature dependence in adenine ...
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a-Hydroxymethylperoxyl Radical, Pulse Radiolysis, Conductivity, Oxydation of Methanol The bimolecular decay of the hydroxymethylperoxyl radical in aqueous solution (k = 2.1 x 109 M_1s_1) leads mainly (80%) to one molecule of hydrogen peroxid and to two molecules of formic acid. 2 HOCHsOO-> H202 + 2 HCOOH Deuterium kinetic isotope effects show that the decay occurs at room temperature via a shor...
Pulse radiolysis results suggest that the very first steps of silver aggregation in water involve the formation of Ag2þ 3 . We present a mixed classical quantum simulation of the absorption spectrum of this aggregate which is in agreement with the experimental spectrum. The formation and structure of this aggregate are discussed with the help of additional Monte Carlo and ab initio calculations...
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