Zobrazeno 1 - 10
of 85
pro vyhledávání: '"Veselko Žagar"'
Publikováno v:
Pharmaceuticals, Vol 17, Iss 4, p 445 (2024)
Cytarabine (Ara-C) is a synthetic isomer of cytidine that differs from cytidine and deoxycytidine only in the sugar. The use of arabinose instead of deoxyribose hinders the formation of phosphodiester linkages between pentoses, preventing the DNA cha
Externí odkaz:
https://doaj.org/article/12d93809c9c345c39558a742bb228470
Autor:
Jolanta Natalia Latosińska, Magdalena Latosińska, Janez Seliger, Veselko Žagar, Tomaž Apih, Paweł Grieb
Publikováno v:
Molecules, Vol 28, Iss 8, p 3308 (2023)
Favipiravir (6-fluoro-3-hydroxypyrazine-2-carboxamide, FPV), an active pharmaceutical component of the drug discovered and registered in March 2014 in Japan under the name Avigan, with an indication for pandemic influenza, has been studied. The study
Externí odkaz:
https://doaj.org/article/6eae6584041a4891a214ba6e06f5c504
Autor:
Zvonko Trontelj, Janez Pirnat, Vojko Jazbinšek, Janko Lužnik, Stane Srčič, Zoran Lavrič, Samo Beguš, Tomaž Apih, Veselko Žagar, Janez Seliger
Publikováno v:
Crystals, Vol 10, Iss 6, p 450 (2020)
Nuclear Quadrupole Resonance (NQR) spectroscopy has been known for 70 years. It is suitable for the study of measured (poly)crystalline chemical compounds containing quadrupole nuclei (nuclei with spin I ≥ 1) where the characteristic NQR frequencie
Externí odkaz:
https://doaj.org/article/449ca19663464c7289afed44c32e856a
Publikováno v:
Chemical Physics. 523:12-17
Some halogen bonded complexes of N-iodosuccinimide (NIS) with the nitrogen atoms at the donor and acceptor positions have been investigated by 14N nuclear quadrupole resonance (NQR) spectroscopy. The data are analyzed in view of the change of the pri
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::995feb3a51a6b8ee44be4529253d3328
https://doi.org/10.1016/j.chemphys.2019.04.003
https://doi.org/10.1016/j.chemphys.2019.04.003
Publikováno v:
Physical Chemistry Chemical Physics. 21:306-313
The position of protons in hydrogen bonds is often uncertain to some degree, as the technique most often used for structure determination, X-ray diffraction, is sensitive to electron density, which is not particularly abundant around protons. In hydr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::857fc8dea6855040195534765ed92736
https://doi.org/10.1039/c8cp05183f
https://doi.org/10.1039/c8cp05183f
Publikováno v:
Journal of magnetic resonance (San Diego, Calif. : 1997). 310
A modification of Slusher-Hahn's double resonance technique is described and experimentally tested. It is based on application of multiple frequency sweeps and can be used for a rapid location of nuclear quadrupole resonance (NQR) frequencies. The re
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::25d26de102a8dc4ccd53831b80a295ec
https://pubmed.ncbi.nlm.nih.gov/31710952
https://pubmed.ncbi.nlm.nih.gov/31710952
Publikováno v:
The Journal of Physical Chemistry C. 120:9992-10000
Temperature dependences of the 14N nuclear quadrupole resonance (NQR) frequencies have been measured in molecular complex 3,5-dinitrobenzoic acid–nicotinic acid (35DBNA) and in deuterated 3,5-pyridinedicarboxylic acid (DPDA). In deuterated DPDA, th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5e02da7ce2580d61834f4d0bc0004949
https://doi.org/10.1021/acs.jpcc.6b02639
https://doi.org/10.1021/acs.jpcc.6b02639
Publikováno v:
The Journal of Physical Chemistry C. 120:6180-6189
The phase transitions and molecular motions in organic ferroelectrics diisopropylammonium chloride and diisopropylammonium perchlorate have been studied by proton NMR and spin–lattice relaxation and by 14N NQR and spin–lattice relaxation. In diis
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::655f4d769a78ff52af15fc7b275e6282
https://doi.org/10.1021/acs.jpcc.5b12116
https://doi.org/10.1021/acs.jpcc.5b12116
Autor:
Veselko Žagar, Magdalena Latosińska, Tomaž Apih, Grzegorz Andrzej Olejniczak, Janez Seliger, A. Gregorovič, Jolanta Natalia Latosińska
Publikováno v:
European Journal of Pharmaceutical Sciences. 85:18-30
The polymorphism of anhydrous caffeine (1,3,7-trimethylxanthine; 1,3,7-trimethyl-1H-purine-2,6-(3H,7H)-dione) has been studied by (1)H-(14)N NMR-NQR (Nuclear Magnetic Resonance-Nuclear Quadrupole Resonance) double resonance and pure (14)N NQR (Nuclea
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e9e60d964804ab332e27e8692e7bdeb4
https://doi.org/10.1016/j.ejps.2016.01.025
https://doi.org/10.1016/j.ejps.2016.01.025
Publikováno v:
Solid State Nuclear Magnetic Resonance. 107:101653
Four polymorphic forms of carbamazepine have been simultaneously investigated by 1H NMR and 14N NQR. The results show that the proton spin-lattice relaxation time and the 14N NQR spectra can be used to differentiate between various polymorphic forms.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6e03d212918e60024bdf265edd1e5c5f
https://doi.org/10.1016/j.ssnmr.2020.101653
https://doi.org/10.1016/j.ssnmr.2020.101653