Temperature dependence of the degenerate electron exchange between guanosine-5′-monophosphate cation and its short-lived radical dication in aqueous solution

M. P. Geniman; M. S. Panov; O. B. Morozova; A. S. Kiryutin; N. N. Fishman; A. V. Yurkovskaya

doi:10.1007/s11172-021-3356-3

Temperature dependence of the degenerate electron exchange between guanosine-5′-monophosphate cation and its short-lived radical dication in aqueous solution

M. P. Geniman, M. S. Panov, O. B. Morozova, A. S. Kiryutin, N. N. Fishman, A. V. Yurkovskaya

Результат исследования: Научные публикации в периодических изданиях › статья › рецензирование

Аннотация

The temperature dependence of the degenerate electron exchange (DEE) between the guanosine-5′-monophosphate cation and its short-lived radical dication in an aqueous solution was studied by the chemically induced dynamic nuclear polarization (CIDNP) method with the microsecond time resolution. Based on the simulation of the CIDNP kinetic data, the rate constant values of the DEE k_ex at four temperatures were determined. Using the obtained rate constant values of the DEE reaction the parameters of the dependence kex(T)=(A/T)exp[−λ/(4RT)] were determined: lnA = 29.2±1.0, λ = 0.79±0.11 eV.

Язык оригинала	английский
Страницы (с-по)	2375-2381
Число страниц	7
Журнал	Russian Chemical Bulletin
Том	70
Номер выпуска	12
DOI	https://doi.org/10.1007/s11172-021-3356-3
Состояние	Опубликовано - дек. 2021

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1.04 ХИМИЧЕСКИЕ НАУКИ

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title = "Temperature dependence of the degenerate electron exchange between guanosine-5′-monophosphate cation and its short-lived radical dication in aqueous solution",

abstract = "The temperature dependence of the degenerate electron exchange (DEE) between the guanosine-5′-monophosphate cation and its short-lived radical dication in an aqueous solution was studied by the chemically induced dynamic nuclear polarization (CIDNP) method with the microsecond time resolution. Based on the simulation of the CIDNP kinetic data, the rate constant values of the DEE kex at four temperatures were determined. Using the obtained rate constant values of the DEE reaction the parameters of the dependence kex(T)=(A/T)exp[−λ/(4RT)] were determined: lnA = 29.2±1.0, λ = 0.79±0.11 eV.",

keywords = "chemically induced dynamic nuclear polarization (CIDNP), degenerate electron exchange, guanosine, Marcus theory, shortlived radicals",

author = "Geniman, {M. P.} and Panov, {M. S.} and Morozova, {O. B.} and Kiryutin, {A. S.} and Fishman, {N. N.} and Yurkovskaya, {A. V.}",

note = "Funding Information: This work was financially supported by the Russian Foundation for Basic Research (Project No. 21-53-12023). Publisher Copyright: {\textcopyright} 2021, Springer Science+Business Media LLC.",

year = "2021",

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Temperature dependence of the degenerate electron exchange between guanosine-5′-monophosphate cation and its short-lived radical dication in aqueous solution. / Geniman, M. P.; Panov, M. S.; Morozova, O. B. и др.

В: Russian Chemical Bulletin, Том 70, № 12, 12.2021, стр. 2375-2381.

Результат исследования: Научные публикации в периодических изданиях › статья › рецензирование

TY - JOUR

T1 - Temperature dependence of the degenerate electron exchange between guanosine-5′-monophosphate cation and its short-lived radical dication in aqueous solution

AU - Geniman, M. P.

AU - Panov, M. S.

AU - Morozova, O. B.

AU - Kiryutin, A. S.

AU - Fishman, N. N.

AU - Yurkovskaya, A. V.

PY - 2021/12

Y1 - 2021/12

N2 - The temperature dependence of the degenerate electron exchange (DEE) between the guanosine-5′-monophosphate cation and its short-lived radical dication in an aqueous solution was studied by the chemically induced dynamic nuclear polarization (CIDNP) method with the microsecond time resolution. Based on the simulation of the CIDNP kinetic data, the rate constant values of the DEE kex at four temperatures were determined. Using the obtained rate constant values of the DEE reaction the parameters of the dependence kex(T)=(A/T)exp[−λ/(4RT)] were determined: lnA = 29.2±1.0, λ = 0.79±0.11 eV.

AB - The temperature dependence of the degenerate electron exchange (DEE) between the guanosine-5′-monophosphate cation and its short-lived radical dication in an aqueous solution was studied by the chemically induced dynamic nuclear polarization (CIDNP) method with the microsecond time resolution. Based on the simulation of the CIDNP kinetic data, the rate constant values of the DEE kex at four temperatures were determined. Using the obtained rate constant values of the DEE reaction the parameters of the dependence kex(T)=(A/T)exp[−λ/(4RT)] were determined: lnA = 29.2±1.0, λ = 0.79±0.11 eV.

KW - chemically induced dynamic nuclear polarization (CIDNP)

KW - degenerate electron exchange

KW - guanosine

KW - Marcus theory

KW - shortlived radicals

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