Zobrazeno 1 - 10
of 72
pro vyhledávání: '"E. Yannakopoulou"'
Autor:
Bezhan Chankvetadze, Afroditi Pinaka, Georgios C. Vougioukalakis, E. Yannakopoulou, Dimitra Dimotikali, Kyriakos Papadopoulos
Publikováno v:
Chirality. 25:119-125
The ability of chiral β-amino alcohols to catalyze the direct asymmetric aldol reaction was evaluated for the first time in aqueous micellar media. A family of cheap and easily accessible β-amino alcohols, obtained in one step from naturally occurr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5e179094c2f1667691ab6b824cca1720
https://doi.org/10.1002/chir.22120
https://doi.org/10.1002/chir.22120
Publikováno v:
Chemical Engineering Journal. 134:72-77
Novel functionalized organo-inorganic chiral catalysts have been prepared in two steps from activated silica gel and chiral organic auxiliaries, such as (+)-cinchonine or (S)-(−)-nicotine. These new catalysts have been tested in a solid–liquid–
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7aadd63cd8b6e6173d2c205e9b5a6c83
https://doi.org/10.1016/j.cej.2007.03.052
https://doi.org/10.1016/j.cej.2007.03.052
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 263:132-135
A prompt gamma neutron activation analysis (PGNAA) facility has been developed for the determination of nitrogen and thus total protein in large volume biological samples or the whole body of small animals. In the present work, the accuracy of nitrog
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::acdaacaad333428637be8e5458fdc879
https://doi.org/10.1016/j.nimb.2007.04.073
https://doi.org/10.1016/j.nimb.2007.04.073
Autor:
M. G. Davitishvili, Maia Merlani, Kyriakos Papadopoulos, E. P. Kemertelidze, E. Yannakopoulou, L. Sh. Amiranashvili
Publikováno v:
Chemistry of Natural Compounds. 42:194-197
A series of new isonicotinylhydrazones and thiosemicarbazones of various ketosteroids was synthesized. The structures of the compounds were confirmed by NMR and IR spectroscopy and mass spectrometry.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fbf8a131b199f191ce832089486d0dbc
https://doi.org/10.1007/s10600-006-0076-8
https://doi.org/10.1007/s10600-006-0076-8
Autor:
E. Yannakopoulou, A. Nikokavoura, Theodoros M. Triantis, Dimitra Dimotikali, Kyriakos Papadopoulos
Publikováno v:
Analytica Chimica Acta. 494:41-47
A sensitive and simple procedure is described for measuring the antioxidant activity (AA) of olive oil and seed oil aqueous extracts using the chemiluminescence of N , N ′-dimethyl-9,9′-biacridinium dinitrate (lucigenin). It was found that olive
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::404bc0d582d878c0503262be207d9a31
https://doi.org/10.1016/s0003-2670(03)01013-4
https://doi.org/10.1016/s0003-2670(03)01013-4
Autor:
Bezhan Chankvetadze, Vakhtang Barbakadze, E. Yannakopoulou, Lali Gogilashvili, Kyriakos Papadopoulos, Maia Merlani, Lela Amiranashvili
Publikováno v:
Chirality.
The racemic and enantioselective synthesis of a novel glyceric acid derivative, namely, 2,3-dihydroxy-3-(3,4-dihydroxyphenyl)-propionic acid as well as the antioxidant activities is described. The virtually pure enantiomers, (+)-(2R,3S)-2,3-dihydroxy
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c548e4710fd576eb29d1276a6bfb1c44
https://doi.org/10.1002/chir.20823
https://doi.org/10.1002/chir.20823
Autor:
Dionysios C. Christodouleas, Kyriakos Papadopoulos, E. Yannakopoulou, Charalambos Fotakis, Antony C. Calokerinos
Publikováno v:
Analytica chimica acta. 652(1-2)
A sensitive and simple procedure is described for evaluating the antioxidant activity of 21 known hydrophilic and hydrophobic compounds by using the chemiluminogenic reaction of lucigenin with hydrogen peroxide. The method was validated for linearity
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::878f606f692a0e3b4bf45d4741fa532c
https://pubmed.ncbi.nlm.nih.gov/19786195
https://pubmed.ncbi.nlm.nih.gov/19786195
Autor:
K. Papadopoulos, E. Yannakopoulou, Vakhtang Barbakadze, K. Mulkijanyan, L. Amiranashvili, Dionysios C. Christodouleas, M. Merlani, L. Gogilashvili
Publikováno v:
Planta Medica. 74
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d0f4541fa70b995320481591fb89c46c
https://doi.org/10.1055/s-0028-1084831
https://doi.org/10.1055/s-0028-1084831