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Pregled bibliografske jedinice broj: 439407

EPR study of copper complexes with nucleic-acid basis


Bešić, Erim; Sanković, Krešimir; Herak, Janko; Krilov Dubravka
EPR study of copper complexes with nucleic-acid basis // 1ST Croatian Congress on Molecular Life Sciences, Opatija
Opatija, 2002. str. 121-121 (poster, nije recenziran, sažetak, znanstveni)


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Naslov
EPR study of copper complexes with nucleic-acid basis

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

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

Izvornik
1ST Croatian Congress on Molecular Life Sciences, Opatija / - , 2002, 121-121

Skup
1ST Croatian Congress on Molecular Life Sciences, Opatija

Mjesto i datum
Opatija, 09-13.06.2002

Vrsta sudjelovanja
Poster

Vrsta recenzije
Nije recenziran

Ključne riječi
EPR spectroscopy; free radicals; copper

Sažetak
EPR spectroscopy was used to study the complex formed in crystals of 5-methyl-2-thiouracil (2-thiothymine) containing traces of copper. The copper impurities, originally present as Cu(I)-complex of 2-thiothymine in the lattice of 2-thiothymine, are transformed into paramagnetic Cu(II)-complex by ionizing radiation. It was found that the complex is planar, the plane being defined by two pairs of S and N atoms, from two adjacent 2-thiothymine molecules. The structure of the complex suggests that a pair of hydrogen bonds between two neighboring molecules is replaced by a stronger Cu-coordination bonding, with two sulfur and two nitrogen atoms as ligands. The spectroscopic parameters (g-tensor, A(63Cu) and A(14N) tensors) are essentially similar to those earlier observed for copper planar centers in other systems. © 2004 Elsevier B.V. All rights reserved.

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 Dubravka Krilov (autor)

Avatar Url Krešimir Sanković (autor)

Citiraj ovu publikaciju

Bešić, Erim; Sanković, Krešimir; Herak, Janko; Krilov Dubravka
EPR study of copper complexes with nucleic-acid basis // 1ST Croatian Congress on Molecular Life Sciences, Opatija
Opatija, 2002. str. 121-121 (poster, nije recenziran, sažetak, znanstveni)
Bešić, E., Sanković, K., Herak, J. & Krilov Dubravka (2002) EPR study of copper complexes with nucleic-acid basis. U: 1ST Croatian Congress on Molecular Life Sciences, Opatija.
@article{article, year = {2002}, pages = {121-121}, keywords = {EPR spectroscopy, free radicals, copper}, title = {EPR study of copper complexes with nucleic-acid basis}, keyword = {EPR spectroscopy, free radicals, copper}, publisherplace = {Opatija} }