Zobrazeno 1 - 10
of 13
pro vyhledávání: '"Nina Djapic"'
Autor:
Nina Djapic
Publikováno v:
Chemistry Journal of Moldova: General, Industrial and Ecological Chemistry, Vol 16, Iss 2, Pp 76-82 (2021)
The study described the isolation of β-D-galactopyranoside seco-phytoporphyrin from Atropa belladonna and Solanum tuberosum yellow leaves. Column chromatography was applied for its isolation. The UV-Vis, mass spectrometry and NMR spectroscopy were u
Externí odkaz:
https://doaj.org/article/000020a182a3482aa9bf166f4cec95dc
Autor:
Nina Djapic
Publikováno v:
Separations, Vol 9, Iss 12, p 436 (2022)
The extraction of Taxodium distichum needles was done using supercritical carbon dioxide extraction and hydrodistillation. SC CO2 extraction of T. distichum winter leaves was conducted at different pressures and temperatures using a central composite
Externí odkaz:
https://doaj.org/article/20b6071b6c734137ad3c0ca3d6268300
Autor:
Nina Djapic
Publikováno v:
Molecules, Vol 27, Iss 23, p 8328 (2022)
The employment of supercritical carbon dioxide extraction for obtaining the chemical compounds from N. tabacum leaves, especially nicotine, is advancing. The supercritical carbon dioxide extraction of dried N. tabacum cv. Samsun and N. tabacum cv. Vi
Externí odkaz:
https://doaj.org/article/74c8a5db8b704b28a9a15b9ac57a671a
Autor:
Nina Djapic
Publikováno v:
Molecules, Vol 27, Iss 16, p 5237 (2022)
Supercritical carbon dioxide extraction was used for the extraction of Parrotia persica yellow and amber leaves. The lipophilic phytochemicals present in the analyzed leaves were as follows: neophytadiene, hexahydrofarnesyl acetone, octadecanal, 1-oc
Externí odkaz:
https://doaj.org/article/48bf00035d1846cfa4a59ffeda49b0f0
Publikováno v:
Journal of the Serbian Chemical Society, Vol 68, Iss 3, Pp 235-237 (2003)
Dried heartwood powder of Maclura pomifera, Moraceae, was extracted with acetone. Silica gel column chromatography (CC) of the crude extract yielded 2',3',4',5'-tetrahydroxystilbene (oxyresveratrol).
Externí odkaz:
https://doaj.org/article/c2687d7c209544e9908e3f7eb1aa37da
Autor:
Nina Djapic
Publikováno v:
Natural Product Communications. 18:1934578X2311704
Background/Objective: Volatile compounds present in green Ginkgo biloba L. leaves extracts contain compounds that can undertake free radical scavenging. The assumption was that volatile compounds present in yellow Ginkgo biloba leaves extracts have a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6b58b1bdc7eedcefb24b11423bf4b309
https://doi.org/10.1177/1934578x231170463
https://doi.org/10.1177/1934578x231170463
Autor:
M Nina Djapic, S Mihailo Ristic
Publikováno v:
Acta Periodica Technologica, Vol 2017, Iss 48, Pp 77-83 (2017)
This work is concerned with the chemical profile of Taxodium distichum winter cones. The extract obtained after maceration in absolute ethanol was subjected to qualitative analysis by gas chromatography/mass spectrometry and quantification was done b
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2a1c84c1193b1b18dd8b692edaf3bb1b
https://doi.org/10.2298/apt1748077d
https://doi.org/10.2298/apt1748077d
Publikováno v:
Istrazivanja i projektovanja za privredu, Vol 15, Iss 4, Pp 524-528 (2017)
The objective of this study was to investigate the interaction factors during the technological process of rubber-insulated conductor's production with continual extrusion process. Rubber used for the insulation was ethylene-propylene copolymer. The
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::793de5fa0a00574ffe9264f4adeefe5f
https://doi.org/10.5937/jaes15-12938
https://doi.org/10.5937/jaes15-12938
Autor:
Nina Djapic, Živko Jokovic
Publikováno v:
Metallurgical & Materials Engineering, Vol 20, Iss 1, Pp 61-71 (2014)
In order to establish the cold wire drawing production, the CuNi2Si alloy passes schedule were examined by the Duckfield and Ermanok methods in two wire drawing versions: with the diamond die with an angle of 9o and the tungsten carbide die with an a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::71944789c7a17d3da527712b91988c16
https://doi.org/10.5937/metmateng1401061j
https://doi.org/10.5937/metmateng1401061j
Autor:
M Nina Djapic
Publikováno v:
Hemijska Industrija, Vol 68, Iss 1, Pp 77-82 (2014)
The urobilinogenic chlorophyll catabolite upon standing in oxygen-containing moiety, after three months, forms the C-82-hydroxy urobilinogenic chlorophyll catabolite. The chromatographic and spectroscopic methods have been used to study the hydroxyla
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6f4ce961367decc7350b3f6929b23f9f
http://www.doiserbia.nb.rs/img/doi/0367-598X/2014/0367-598X1300029D.pdf
http://www.doiserbia.nb.rs/img/doi/0367-598X/2014/0367-598X1300029D.pdf