Zobrazeno 1 - 10
of 42
pro vyhledávání: '"E. I. Finkelshtein"'
Publikováno v:
Тонкие химические технологии, Vol 7, Iss 2, Pp 58-64 (2012)
A single-step HPLC method for the determination of fat-soluble vitamins and some additives in several liquid medicines by reverse phase in the isocratic mode was developed.
Externí odkaz:
https://doaj.org/article/706f247316c443b6895f29f1cb795f21
Publikováno v:
Pharmaceutical Chemistry Journal. 47:325-329
An HPLC method for quantitative determination of lutein, zeaxanthin, retinyl acetate, and tocopheryl acetate in Lutein Forte was developed. The resolution of peaks as a function of two- and three-component mobile phases (MP) was studied. It was shown
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0e07a263b2444ed1aa12a1281bcbb240
https://doi.org/10.1007/s11094-013-0954-x
https://doi.org/10.1007/s11094-013-0954-x
Autor:
E. I. Finkelshtein
Publikováno v:
Journal of Physical Organic Chemistry. 14:543-550
The existence of linear relationships has been demonstrated between stretching frequencies of R—H, RO—H, CH3CON(R)—H and R—OX (X = H for alcohols and O for peroxy radicals) bonds and radical stabilization energies, Es(R·), of related radical
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ef21d56845da1d23a0cae3be42c41915
https://doi.org/10.1002/poc.389
https://doi.org/10.1002/poc.389
Publikováno v:
Journal of Physical Organic Chemistry. 12:370-376
The reactivity of polyenes (β-carotene, canthaxanthin, lycopene and some retinyl polyenes as related compounds) in the solid state towards molecular oxygen at various temperatures and oxygen pressures was studied. The specimens were thin (ca 0.1 µm
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4592f28389d3572fc266a579607287df
https://doi.org/10.1002/(sici)1099-1395(199905)12:5<370::aid-poc132>3.0.co
https://doi.org/10.1002/(sici)1099-1395(199905)12:5<370::aid-poc132>3.0.co
Publikováno v:
Journal of Physical Organic Chemistry. 9:411-418
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::039871f15090838b347866cb9a771217
https://doi.org/10.1002/(sici)1099-1395(199606)9:6<411::aid-poc800>3.0.co
https://doi.org/10.1002/(sici)1099-1395(199606)9:6<411::aid-poc800>3.0.co
Publikováno v:
Journal of Molecular Structure. :569-571
The electronic and attenuated total reflection IR spectra of β -carotene, canthaxanthin, lycopene, axerophtene, retinyl acetate, methyl retinoate, and retinal were recorded and investigated. The main specimens were thin (thickness of about 0.1 μ) a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f33950fd03aeffae617752420a447bd1
https://doi.org/10.1016/s0022-2860(98)00736-4
https://doi.org/10.1016/s0022-2860(98)00736-4
Publikováno v:
Spectroscopy of Biological Molecules: Modern Trends ISBN: 9789401063692
The infrared spectra of thin solid films of carotenoids on supports were investigated using multiple attenuated total reflection (ATR) spectroscopy technique. The specimens were obtained by the evaporation of 1 or 2 drops of appropriate solution of c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::263980be7efb1c8fe2f03fad336df36f
https://doi.org/10.1007/978-94-011-5622-6_65
https://doi.org/10.1007/978-94-011-5622-6_65
Publikováno v:
Spectroscopy of Biological Molecules ISBN: 9789401041669
During the investigation of chemical reactions of different polyenes related to the vitamin A (retinyl acetate and palmitate, retinal, all-trans and 13-cis methyl retinoate, axerophthene, and also some carotenoids, e.g. beta-carotene, cantaxantene, l
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::028653310e117f88def8b9d97fc655d2
https://doi.org/10.1007/978-94-011-0371-8_82
https://doi.org/10.1007/978-94-011-0371-8_82
Autor:
E. I. Finkelshtein, E. I. Kozlov
Publikováno v:
Photochemistry and Photobiology. 30:279-283
— The UV spectra of solid amorphous films of all-trans retinyl polyenes. i. e. retinyl acetate, retinyl palmitate, axerophtene and retinal, on supports are investigated. It is shown that in the absence of oxygen the spectra of the films do not chan
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5d984081bfecf3c20ebadebe89ec7393
https://doi.org/10.1111/j.1751-1097.1979.tb07147.x
https://doi.org/10.1111/j.1751-1097.1979.tb07147.x
Publikováno v:
International Journal of Chemical Kinetics. 16:513-524
The autooxidation of retinyl acetate and methyl retinoate was investigated in chlorobenzene at 45°C. The rates of thermal initiation in the retinyl acetate solutions were measured, and a value was determined of the rate constant for the reaction of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::74875f0f2d3e0680e4bbcbe54a4fba8d
https://doi.org/10.1002/kin.550160503
https://doi.org/10.1002/kin.550160503