دورية أكاديمية
Fast protonation of adenosine and of its radical anion formed by hydrated electron attack; a nanosecond optical and dc-conductivity pulse radiolysis study.
| العنوان: | Fast protonation of adenosine and of its radical anion formed by hydrated electron attack; a nanosecond optical and dc-conductivity pulse radiolysis study. |
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| المؤلفون: | Visscher KJ; Department of Biophysics, Vrije Universiteit, Amsterdam, The Netherlands., de Haas MP, Loman H, Vojnovic B, Warman JM |
| المصدر: | International journal of radiation biology and related studies in physics, chemistry, and medicine [Int J Radiat Biol Relat Stud Phys Chem Med] 1987 Nov; Vol. 52 (5), pp. 745-53. |
| نوع المنشور: | Journal Article |
| اللغة: | English |
| بيانات الدورية: | Publisher: Taylor & Francis Country of Publication: England NLM ID: 0374725 Publication Model: Print Cited Medium: Print ISSN: 0020-7616 (Print) Linking ISSN: 00207616 NLM ISO Abbreviation: Int J Radiat Biol Relat Stud Phys Chem Med Subsets: MEDLINE |
| أسماء مطبوعة: | Original Publication: London : Taylor & Francis |
| مواضيع طبية MeSH: | Adenosine*, Anions ; Deoxyadenosines ; Electrons ; Protons ; Pulse Radiolysis/methods ; Solutions ; Time Factors ; Water |
| مستخلص: | The study of the reaction of the hydrated electron with adenosine by optical and dc-conductivity pulse radiolysis on nano- and microsecond timescales has been carried out in an attempt to answer the question whether the electron adduct radical becomes protonated or not. The following conclusions have been reached: (1) the reaction of the hydrated electron with adenosine is followed by a water-mediated protonation, which must be complete with 5 ns; (2) no spectral indication of a further protonation of the protonated electron adduct of adenosine of 2'-deoxyadenosine has been found between 40 and 5000 ns; (3) the equilibrium reaction between radiation produced H3O+ and adenosine with a pKa of 3.5 plays an important role in the kinetics of the conductivity transients. |
| المشرفين على المادة: | 0 (Anions) 0 (Deoxyadenosines) 0 (Protons) 0 (Solutions) 059QF0KO0R (Water) K72T3FS567 (Adenosine) |
| تواريخ الأحداث: | Date Created: 19871101 Date Completed: 19880104 Latest Revision: 20190828 |
| رمز التحديث: | 20231215 |
| DOI: | 10.1080/09553008714552251 |
| PMID: | 2824391 |
| قاعدة البيانات: | MEDLINE |
PDF full text from Publisher | تدمد: | 0020-7616 |
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| DOI: | 10.1080/09553008714552251 |