Zobrazeno 1 - 10
of 125
pro vyhledávání: '"Eleonora‐Mihaela Ungureanu"'
Autor:
Eleonora-Mihaela Ungureanu, Amalia Ștefaniu, Raluca Isopescu, Cornelia-Elena Mușina, Magdalena-Rodica Bujduveanu, Lorentz Jäntschi
Publikováno v:
Journal of Electrochemical Science and Engineering (2024)
Six derivatives of 4-(azulen-1-yl)-2,6-divinylpyridine were the subject of experimental determination of oxidation and reduction potentials being reported elsewhere. In this paper, a computational study was employed in order to obtain a function of s
Externí odkaz:
https://doaj.org/article/c920d9c68ba24e8891358295d16499b1
Autor:
Madalina-Marina Hrubaru, Constantin Draghici, Francis Aurelien Ngounoue Kamga, Elena Diacu, ThankGod C. Egemonye, Anthony C. Ekennia, Eleonora-Mihaela Ungureanu
Publikováno v:
Molecules, Vol 29, Iss 17, p 4082 (2024)
Tetrahydroacridines arouse particular interest due to the potential possibilities of application in the medical field and protection against corrosion. Bis-tetrahydroacridines were newly synthesized by Pfitzinger condensation of 5,5′-(ethane-1,2-di
Externí odkaz:
https://doaj.org/article/99525d9ed23149ff8a7f5613f1e3a936
Autor:
Ovidiu Teodor Matica, Alina Giorgiana Brotea, Eleonora‐Mihaela Ungureanu, Luisa Roxana Mandoc, Liviu Birzan
Publikováno v:
Electrochemical Science Advances, Vol 3, Iss 6, Pp n/a-n/a (2023)
Abstract The electrochemical study of 2‐Sulfanylidene‐1,3‐thiazolidin‐4‐one (rhodanine, R) was performed on a glassy carbon working electrode by using three methods: differential pulse voltammetry (DPV), cyclic voltammetry (CV), and linear
Externí odkaz:
https://doaj.org/article/e2433a4ec1ef42f5863d6c574013c129
Autor:
Alina-Giorgiana Brotea, Ovidiu-Teodor Matica, Cornelia Musina (Borsaru), Andreea Madalina Pandele, Roxana Trusca, Eleonora-Mihaela Ungureanu
Publikováno v:
Symmetry, Vol 16, Iss 2, p 245 (2024)
Novel chemically modified electrodes (CMEs) based on azulene were prepared by electrooxidation of guaiazulene derivative 4-((5-isopropyl-3,8-dimethylazulen-1-yl)methylene)-2-phenyloxazol-5(4H)-one (G). G is based on guaiazulene non-alternating aromat
Externí odkaz:
https://doaj.org/article/751f2284a33049bfa8d1423fd1bf77f6
Autor:
Francis Aurelien Ngounoue Kamga, Madalina-Marina Hrubaru, Oana Enache, Elena Diacu, Constantin Draghici, Victorita Tecuceanu, Eleonora-Mihaela Ungureanu, Stephanie Nkemone, Peter T. Ndifon
Publikováno v:
Molecules, Vol 28, Iss 14, p 5464 (2023)
New aspects of the Ni(II)-salophen complex and salophen ligand precursor were found during deep electrochemical and optical characterization, as well as biological studies for new pharmacological applications. Physicochemical and spectroscopic method
Externí odkaz:
https://doaj.org/article/fe1b1fd977cb43b09ae0ea0b67e74c1e
Autor:
Ovidiu-Teodor Matica, Cornelia Musina (Borsaru), Alina Giorgiana Brotea, Eleonora-Mihaela Ungureanu, Mihaela Cristea, Raluca Isopescu, George-Octavian Buica, Alexandru C. Razus
Publikováno v:
Symmetry, Vol 15, Iss 3, p 752 (2023)
Rhodanine (R) is a heterocycle having complexing properties for heavy metal (HM) ions. Considering the similar electron-donating character of diethylaminobenzene and azulene, electrochemical characterization of (Z)-5-(azulen-1-ylmethylene)-2-thioxo-t
Externí odkaz:
https://doaj.org/article/8b3b9ea94d7141d19fb092c9efb72bfe
Autor:
Alina-Giorgiana Brotea, Ovidiu-Teodor Matica, Cornelia Musina (Borsaru), Mihaela Cristea, Amalia Stefaniu, Andreea-Madalina Pandele, Eleonora-Mihaela Ungureanu
Publikováno v:
Symmetry, Vol 15, Iss 2, p 540 (2023)
Chemically modified electrodes (CMEs) based on 2-phenyl-4-((4,6,8-trimethylazulen-1-yl)methylene)oxazol-5(4H)-one (M) were obtained by irreversible electrooxidation of M in millimolar solutions in 0.1 M tetrabutylammonium perchlorate (TBAP) in aceton
Externí odkaz:
https://doaj.org/article/e0ecc227e998404fbe364049993d1ac0
Autor:
Veronica Anăstăsoaie, Ovidiu Teodor Matica, Cecilia Lete, Raluca Isopescu, Vesna Miskovic-Stankovic, Eleonora-Mihaela Ungureanu
Publikováno v:
Symmetry, Vol 15, Iss 2, p 514 (2023)
Previous studies performed on 2-(azulen-1-yldiazenyl)-5-phenyl-1,3,4-thiadiazole (T) showed that T is a ligand with complexing properties towards heavy metals (HMs) in solution and can be attached to electrode surfaces. Films of T were deposited on g
Externí odkaz:
https://doaj.org/article/6f77eca0152446069ba5b0b7aacb84b3
Autor:
Mihaela Homocianu, Anton Airinei, Ovidiu-Teodor Matica, Mihaela Cristea, Eleonora-Mihaela Ungureanu
Publikováno v:
Symmetry, Vol 15, Iss 2, p 327 (2023)
The spectral properties of several azulene-oxazolone derivatives containing a phenyloxazolone moiety linked to a substituted azulene ring via a C=C double bond were studied in different solvents of varying polarity. The solvatochromism and the abilit
Externí odkaz:
https://doaj.org/article/46955e924aa04cc9b7212c3e6ec874b3
Autor:
Irinela Chilibon, Adina-Maria Păun, Cristina Vasiliu, Elena Diacu, Raluca Isopescu, Eleonora-Mihaela Ungureanu
Publikováno v:
Symmetry, Vol 14, Iss 12, p 2506 (2022)
Sensitive electrodes based on complexing azulene polymer films were prepared by electrochemical deposition on glassy carbon electrodes. The characterization of 4-(azulen-1-yl)-2,6-bis((E)-2-(thiophen-2-yl)vinyl)pyridine (M) and its polymerization wer
Externí odkaz:
https://doaj.org/article/7e7ee23527834ddfad7401c84c808db8