Zobrazeno 1 - 10
of 197
pro vyhledávání: '"Ovidiu, Oprea"'
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-19 (2022)
Abstract The legacies of past uranium mining and milling activities for nuclear fuel fabrication continue to be a cause of concern and require assessment and remedial action for researchers worldwide. The discharge of uranium contaminated water into
Externí odkaz:
https://doaj.org/article/a0d8ae3b2abd4ea686125ce7e7a0b2ae
Structural, Morphological, and Optical Properties of Single and Mixed Ni-Co Aluminates Nanoparticles
Autor:
Dana Gingasu, Ovidiu Oprea, Gabriela Marinescu, Jose Maria Calderon Moreno, Daniela C. Culita, Silviu Preda, Vasile-Adrian Surdu
Publikováno v:
Inorganics, Vol 11, Iss 9, p 371 (2023)
A series including single and mixed Ni-Co aluminates was obtained using the precursor method, with malic acid as a ligand. The malate precursors (polynuclear coordination compounds) were isolated and characterized by Fourier Transform Infrared (FTIR)
Externí odkaz:
https://doaj.org/article/66d92518bf96475ca2413deacae30722
Publikováno v:
Separations, Vol 10, Iss 1, p 46 (2023)
The influence of the chemical composition of natural waters on triclocarban (TCC) sorption on pristine and irradiated multi-walled carbon nanotubes (MWCNTs) at different temperatures was studied. Natural waters have been characterized in terms of the
Externí odkaz:
https://doaj.org/article/c058778d33ad4188bcd1adcf585b1a93
Autor:
Mircea Coroian, Loredana Maria Pop, Virgilia Popa, Zsuzsa Friss, Ovidiu Oprea, Zsuzsa Kalmár, Adela Pintea, Silvia-Diana Borșan, Viorica Mircean, Iustina Lobonțiu, Dumitru Militaru, Rodica Vârban, Adriana Györke
Publikováno v:
Microorganisms, Vol 10, Iss 11, p 2277 (2022)
(1) Background: Various studies on artemisinin and its derivatives have shown that Artemisia annua may be of therapeutic interest for different diseases, including chicken coccidiosis. This study aimed to evaluate the effects of Artemisia annua on fa
Externí odkaz:
https://doaj.org/article/9efc8f15752647a1b688bf7a59012744
Autor:
Anca Maria Cimbru, Abbas Abdul Kadhim Klaif Rikabi, Ovidiu Oprea, Alexandra Raluca Grosu, Szidonia-Katalin Tanczos, Maria Claudia Simonescu, Dumitru Pașcu, Vlad-Alexandru Grosu, Florina Dumitru, Gheorghe Nechifor
Publikováno v:
Membranes, Vol 12, Iss 9, p 833 (2022)
The development of new composite membranes is required to separate chemical species from aggressive environments without using corrective reagents. One such case is represented by the high hydrochloric acid mixture (very low pH and pCl) that contains
Externí odkaz:
https://doaj.org/article/c1a6d0eeb2cb468b93f478896b8d3b74
Autor:
Alexa-Maria Croitoru, Alina Moroșan, Bianca Tihăuan, Ovidiu Oprea, Ludmila Motelică, Roxana Trușcă, Adrian Ionuț Nicoară, Roxana-Cristina Popescu, Diana Savu, Dan Eduard Mihăiescu, Anton Ficai
Publikováno v:
Nanomaterials, Vol 12, Iss 11, p 1943 (2022)
In this paper, novel drug delivery systems (DDS) were designed based on graphene oxide (GO) as nanocarrier, loaded with two natural substances (quercetin (Qu) and juglone (Ju)) at different concentrations. The chemical structure and morphology of the
Externí odkaz:
https://doaj.org/article/428ebdf6b69f4ab9978e986f3a36d07e
Autor:
Mara Caciandone, Adelina-Gabriela Niculescu, Valentina Grumezescu, Alexandra Cătălina Bîrcă, Ionuț Cosmin Ghica, Bogdan Ștefan Vasile, Ovidiu Oprea, Ionela Cristina Nica, Miruna Silvia Stan, Alina Maria Holban, Alexandru Mihai Grumezescu, Ion Anghel, Alina Georgiana Anghel
Publikováno v:
Antibiotics, Vol 11, Iss 5, p 623 (2022)
In the context of inefficient antibiotics, antibacterial alternatives are urgently needed to stop the increasing resistance rates in pathogens. This study reports the fabrication and characterization of four promising magnetite-based antibiotic deliv
Externí odkaz:
https://doaj.org/article/e517d3d824c6490986cd18845d92f08d
Autor:
Mara Caciandone, Adelina-Gabriela Niculescu, Aurelian Radu Roșu, Valentina Grumezescu, Irina Negut, Alina Maria Holban, Ovidiu Oprea, Bogdan Ștefan Vasile, Alexandra Cătălina Bîrcă, Alexandru Mihai Grumezescu, Miruna Silvia Stan, Alina Georgiana Anghel, Ion Anghel
Publikováno v:
Antibiotics, Vol 11, Iss 1, p 39 (2021)
This study reports the fabrication of nanostructured coatings based on magnetite, polyethyleneglycol, and biologically active molecule (polymyxin B-PM) for producing biofilm-resistant surfaces (voice prosthesis). Magnetite nanoparticles (MNPs) have b
Externí odkaz:
https://doaj.org/article/6038f7e5a8c94c279a794b53016e172c
Autor:
Paul Constantin Albu, Andreea Ferencz (Dinu), Hussam Nadum Abdalraheem Al-Ani, Szidonia-Katalin Tanczos, Ovidiu Oprea, Vlad-Alexandru Grosu, Gheorghe Nechifor, Simona Gabriela Bungău, Alexandra Raluca Grosu, Alexandru Goran, Aurelia Cristina Nechifor
Publikováno v:
Membranes, Vol 12, Iss 1, p 51 (2021)
The recovery of osmium from residual osmium tetroxide (OsO4) is a necessity imposed by its high toxicity, but also by the technical-economic value of metallic osmium. An elegant and extremely useful method is the recovery of osmium as a membrane cata
Externí odkaz:
https://doaj.org/article/b662a55b0b7a45d2beb40288fc3e1e03
Autor:
Gheorghe Nechifor, Florentina Mihaela Păncescu, Paul Constantin Albu, Alexandra Raluca Grosu, Ovidiu Oprea, Szidonia-Katalin Tanczos, Constantin Bungău, Vlad-Alexandru Grosu, Mihail-Răzvan Ioan, Aurelia Cristina Nechifor
Publikováno v:
Membranes, Vol 11, Iss 12, p 936 (2021)
This paper presents a transport and recovery of silver ions through bulk liquid membranes based on n–decanol using as carriers 10–undecylenic acid and 10–undecylenyl alcohol. The transport of silver ions across membranes has been studied in the
Externí odkaz:
https://doaj.org/article/31df7c4a8eb14c728cbf6684f40b32f3