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Pregled bibliografske jedinice broj: 439412

Radiation-induced formation of sigma radicals in crystals of thiothymine


Bešić, Erim; Herak, Janko; Sanković, Krešimir
Radiation-induced formation of sigma radicals in crystals of thiothymine // 7TH Int. Summer School of Biophysics, Supramolecular Structure and Function, Rovinj, 2000
Rovinj, Hrvatska, 2000. str. 76-76 (poster, nije recenziran, sažetak, znanstveni)


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Naslov
Radiation-induced formation of sigma radicals in crystals of thiothymine

Autori
Bešić, Erim ; Herak, Janko ; Sanković, Krešimir

Vrsta, podvrsta i kategorija rada
Sažeci sa skupova, sažetak, znanstveni

Izvornik
7TH Int. Summer School of Biophysics, Supramolecular Structure and Function, Rovinj, 2000 / - , 2000, 76-76

Skup
7TH Int. Summer School of Biophysics, Supramolecular Structure and Function, Rovinj 2000

Mjesto i datum
Rovinj, Hrvatska, 14-26.09.2000

Vrsta sudjelovanja
Poster

Vrsta recenzije
Nije recenziran

Ključne riječi
EPR spectroscopy; sigma-radicals; 2-thiothymine

Sažetak
Thioanalogs of the nucleic-acid bases are known photosensitive probes and good traps of radiation energy. Radiation-induced sulfur-centered free radicals stabilized on the base thioanalogs molecules are of the cationic origin. Their electronic conÐguration is of the p type, unless an electron-donating group, like Cl—, is added to the sulfur atom, forming the rr* ““threeelectron ÏÏ SKCl bond. The r radical observed in irradiated 2- thiothymine is formed simply by deprotonation of the pristine cation radical. The 2r character of the radical is determined from the nature of the g tensor and the A(14N) coupling tensor and their relation to the radical skeleton. The deprotonation of the cation radical takes place at N(3) rather than at N(1), generally observed in the irradiated pyrimidine natural bases and their other thioanalogs.

Izvorni jezik
Engleski

Znanstvena područja
Fizika, Kemija



POVEZANOST RADA


Projekt / tema
0006421

Ustanove
Farmaceutsko-biokemijski fakultet, Zagreb

Profili:

Avatar Url Janko Herak (autor)

Avatar Url Erim Bešić (autor)

Avatar Url Krešimir Sanković (autor)

Citiraj ovu publikaciju

Bešić, Erim; Herak, Janko; Sanković, Krešimir
Radiation-induced formation of sigma radicals in crystals of thiothymine // 7TH Int. Summer School of Biophysics, Supramolecular Structure and Function, Rovinj, 2000
Rovinj, Hrvatska, 2000. str. 76-76 (poster, nije recenziran, sažetak, znanstveni)
Bešić, E., Herak, J. & Sanković, K. (2000) Radiation-induced formation of sigma radicals in crystals of thiothymine. U: 7TH Int. Summer School of Biophysics, Supramolecular Structure and Function, Rovinj, 2000.
@article{article, year = {2000}, pages = {76-76}, keywords = {EPR spectroscopy, sigma-radicals, 2-thiothymine}, title = {Radiation-induced formation of sigma radicals in crystals of thiothymine}, keyword = {EPR spectroscopy, sigma-radicals, 2-thiothymine}, publisherplace = {Rovinj, Hrvatska} }