Experimental determination of the positive ions formation cross sections of cytosine molecule and its fragments by slow electrons
Keywords:
cytosine molecule, positive ions, effective cross section, electron impact, dissociative ionization, molecular beam, slow electrons
Abstract
The absolute cross sections for positive ions formations of the cytosine nucleic acid base were found for the first time using the modern technique of normally crossed molecular and electron beams. The ionization cross-section had a maximum of 78 eV of the electron energy and was 7.8.10-16 сm2. The partial cross-sections of the cytosine dissociative ionization products were determined as well. Biophysical consequences of the obtained results are discussed.
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References
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Sukhoviia MI, Shafranosh II.Mekhanizmy radiatcionnogo porazheniia i vosstanovleniia nukleinovykh kislot. Pushchino-na-Oke. 1980. 51p.(in Russian)
Sukhoviia MI, Slavik VN, Shafranosh II, Shimon LL. Biopolimer i kletka. 1991;7(6):77-81.(in Russian)
Sukhomiia MI, Shafranosh II, Shimon LL. Biofizicheskii vestnik. 1999;3:39-41. (in Russian)
Sukhoviia MI. Biofizicheskii vestin. 2001;1(8):34-6. (in Russian)
Penhoat M-A, Huels MA, Cloutier P. J. Chem. Phys. 2001;114(13):5755-63.
Martin F, Burrov PD, Zhongli Cai. Phys. Rev. Lett. 2004;93(6):068101(4).
Shafranyosh II, Margitich MO. J. Phys. B:At.Mol.Opt.Phys¬.2000;33:905-10.
Rapp D, Englander-Golden P. J. Chem. Phys. 1965;43(5):1464-79.
Shafranyosh II, Margitich MO. Z.Phys.D. 1996;37(2):97-103.
Verkin BI, Ianson IK, Sukhodub LF, Teplitckii AB. Vzaimodeistvie biomolekul. Novye eksperimentalnyepodkhody i metody. K.:Naukova dumka; 1985. 317p. (in Russian)
Steenken S. J. Am. Chem. Soc. 1993;114:4701-4.
Shafranosh II, Petrushko IA, Slavik VM, Sukhoviia MI. Fizika. 2000;6:259-363. (in Russian)
Vikor G, Kurepa MV. Fizika. 1991;8:134-47.
Hobza P, Sponer J. Chemical Reviews. 1999;99(11):3247-76.
The study of the activation energy of the blood serum chemiluminescence and the influence of the Fe2+ions on it
Published
2005-06-06
Cited
How to Cite
Sukhoviya, M. I., Margitich, M. O., Shafranyosh, M. I., Shimon, L. L., & Shafranyosh, I. I. (2005). Experimental determination of the positive ions formation cross sections of cytosine molecule and its fragments by slow electrons. Biophysical Bulletin, 2(16), 19-24. Retrieved from https://periodicals.karazin.ua/biophysvisnyk/article/view/13330
Section
Molecular biophysics
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