Abstract
Oxidation reactions by radicals constitute a very important class of chemical reactions in solution. Radiation Chemistry methods allow producing, in a controlled way, very reactive oxidizing radicals, such as OH•, CO3•–, NO3•, SO4•–, and N3•. Although the radical cation of water, H2O•+, with a very short lifetime (shorter than 1 ps) is the precursor of these radicals in aqueous solutions, its chemistry is usually known to be limited to the reaction of proton transfer by forming OH• radical. Herein, we stress situations where H2O•+ undergoes electron transfer reaction in competition with proton transfer.
Highlights
Liquid water is the key compound for our existence on this planet and it is involved in most biological and chemical processes
The radical cation of water, H2 O+, with a very short lifetime is the precursor of these radicals in aqueous solutions, its chemistry is usually known to be limited to the reaction of proton transfer by forming OH radical
The role of contemporary physics and chemistry of liquid water exposed to ionizing radiation is significant in such diverse fields as photon science, radiotherapy, nuclear reactors, radiation chemistry, nuclear waste management, etc. [1,2,3]
Summary
Liquid water is the key compound for our existence on this planet and it is involved in most biological and chemical processes. Pulse radiolysis techniques can produce the strong oxidizing SO4 − radicals to study the one-electron oxidation reactions when the solution contains appreciate amount of NaS2 O8 salts (ehyd − + S2 O8 2− → SO4 2− + SO4 − ) [12,13] In this case, the redox potential of DNA bases (T, G, A, C). University, etc., and many of them have reached their full capacity [20,21,22] This unique energy electron pulse enables us, not ideally, to explore the ultrafast chemical reactivity of time resolved technique based on high energy electron pulse enables us, not ideally, to explore.
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