Zobrazeno 1 - 10
of 54
pro vyhledávání: '"DRAGAN CVETKOVIC"'
Autor:
Florent Baty, Dragan Cvetkovic, Maximilian Boesch, Frederik Bauer, Neusa R. Adão Martins, René M. Rossi, Otto D. Schoch, Simon Annaheim, Martin H. Brutsche
Publikováno v:
Sensors, Vol 24, Iss 19, p 6229 (2024)
Sleep apnea (SA) is a prevalent disorder characterized by recurrent events of nocturnal apnea. Polysomnography (PSG) represents the gold standard for SA diagnosis. This laboratory-based procedure is complex and costly, and less cumbersome wearable de
Externí odkaz:
https://doaj.org/article/90e03e7f57624e578cdb930340ef14de
Publikováno v:
Scientific Journal of Silesian University of Technology. Series Transport, Vol 119, Pp 105-123 (2023)
During the recent 40 years, the quantity of energy sources globally has been reduced, and the consequence of this situation that the oil in the world becomes more expensive. Many manufacturers have been forced to initiate the development of completel
Externí odkaz:
https://doaj.org/article/ebbbcf35f4bb4b16a107a3632ea801ab
Autor:
Mateusz Zbyradowski, Mariusz Duda, Anna Wisniewska-Becker, Heriyanto, Weronika Rajwa, Joanna Fiedor, Dragan Cvetkovic, Mariusz Pilch, Leszek Fiedor
Publikováno v:
Nature Communications, Vol 13, Iss 1, Pp 1-14 (2022)
The endoperoxides of β-carotene play a key role in signaling of photooxidative stress in plant cells and are regarded as the products of chemical deactivation of singlet oxygen. The authors show that these compounds are instead formed in a reaction
Externí odkaz:
https://doaj.org/article/9c3ead2e1f8548af8540ca5ba1e94806
Autor:
Ruzica Nikolic, Dusan Arsic, Aleksandra Arsic, Zivce Sarkocevic, Dragan Cvetkovic, Branislav Hadzima
Publikováno v:
Communications, Vol 22, Iss 1, Pp 62-70 (2020)
Premature failure or damage of parts and components of the oil and gas well piping, as well as pipelines for transport of oil and gas, are generally caused by the simultaneous influence of a large number of technological, metallurgical, structural an
Externí odkaz:
https://doaj.org/article/5259b38b75e94b67a1ccdd05d0dc8dcc
Publikováno v:
Applied Engineering Letters, Vol 3, Iss 4, Pp 129-134 (2018)
Solar energy is the most abundant, inexhaustible and clean of all the renewable energy resources till today. Solar energy has received much more attention in building energy systems in recent years. During the first years of the twenty-first century,
Externí odkaz:
https://doaj.org/article/053781cfee4540dc9b5cc8bb817692aa
Autor:
DRAGAN CVETKOVIC, DEJAN MARKOVIC
Publikováno v:
Journal of the Serbian Chemical Society, Vol 73, Iss 11, Pp 1051-1061 (2008)
The effects of ultraviolet radiation (UV) on the antioxidant action of three selected carotenoids (β-carotene, lycopene and lutein) in the presence of a lipoidal lecithin mixture were studied by the DPPH (1,1-diphenyl-2-picrylhydrazyl) test. The tes
Externí odkaz:
https://doaj.org/article/a2f6f359f2d343619daa92a43a40a470
Autor:
DRAGAN CVETKOVIC, DEJAN MARKOVIC
Publikováno v:
Journal of the Serbian Chemical Society, Vol 73, Iss 1, Pp 15-27 (2008)
The stabilities of four selected carotenoids dissolved in hexane, two carotenes and two xanthophylls, toward UV-irradiation of three different ranges (UV-A, UV-B and UV-C) were studied in this work. The carotenoids underwent bleaching via a probable
Externí odkaz:
https://doaj.org/article/d915e5ee33134faa8803bdea5502cb6a
Autor:
VESNA NIKOLIC, LJUBISA NIKOLIC, MIHAJLO STANKOVIC, AGNES KAPOR, MIRJANA POPSAVIN, DRAGAN CVETKOVIC
Publikováno v:
Journal of the Serbian Chemical Society, Vol 72, Iss 8-9, Pp 737-746 (2007)
The molecular inclusion complex of atenolol with 2-hydroxypropyl-b-cyclodextrin was synthesized using the coprecipitation method. The complex obtained was characterized by FT-IR, 1H‑NMR, 13C-NMR spectroscopy, as well as by DSC and X-ray diffracti
Externí odkaz:
https://doaj.org/article/10bc46f3e70a4c8d8a11ce8e9ed93911
Autor:
DRAGAN CVETKOVIC, DEJAN MARKOVIC
Publikováno v:
Journal of the Serbian Chemical Society, Vol 72, Iss 3, Pp 235-250 (2007)
The aim of this work was to study the anticipated antioxidant role of four selected carotenoids in mixtures with lecithin lipoidal compounds in hexane solution, under continuous UV-irradiation in three different ranges (UV-A, UV-B and UV-C). Two caro
Externí odkaz:
https://doaj.org/article/2650f81594cc46fc90cd545cc997f978
Autor:
Dragan Cvetković
Massive Open Online Courses (MOOCs) are free online courses available to anyone who can sign up. MOOCs provide an affordable and flexible way to learn new skills, advance in careers, and provide quality educational experiences to a certain extent. Mi