TECHICAL Series MATHEMATICS • INFORMATICS • PHYSICS Series PHILOLOGY Series ECONOMIC SCIENCES Sereies EDUCATIONAL SCIENCES Series LAW AND SOCIAL SCIENCES Series
ESR Study on Radicalic Species on the Irradiation of
(* ICECHIM-Bucureşti, Spl. Independenţei, sect. 6, Bucureşti ** Universitatea Bucureşti, Bd. Regina Elisabeta, 4-12, Bucureşti e-mail: radu_claudiu_fierascu@yahoo.com)
Vol LX • No. 4/2008
Radu ? Claudiu Fierascu*, Mihail ? Anghel Contineanu**, Irina Dumitriu*, Rodica ? Mariana Ion*
* ICECHIM-Bucureşti, Spl. Independenţei, sect. 6, Bucureşti
** Universitatea Bucureşti, Bd. Regina Elisabeta, 4-12, Bucureşti
e-mail: radu_claudiu_fierascu@yahoo.com

 Keywords   ESR, ionizing radiation, aspartic acid

 Abstract
Knowing the way amino acids reacts to ionizing radiation is of great importance due to the fact that those results helps to better understanding of the effects of ionizing radiations on proteins, DNA-protein complexes, and others in which amino acids are the base structure. In the present work was study the behavior of aspartic acid (L, D and DL) at irradiation. The ESR spectrums are presented and a mechanism for the radical disappearance is proposed.

 Rezumat
Cunoaşterea modului în care aminoacizii reacţionează la acţiunea radiţiilor ionizante are o mare importanţă datorită faptului că aceasta ajută la mai buna înţelegere a efectelor radiaţiilor ionizante asupra proteinelor, complecşilor ADN-proteine şi a altora în care aminoacizii reprezintă structura de bază. În lucrarea de faţă este studiată comportarea acidului aspartic (L, D si DL) la iradiere. Spectrele RES sunt prezentate, ca şi un mecanism pentru a explica dispariţia radicalilor.



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