Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Ramona Ene"'
Autor:
Cristian D. Ene, Mariana Carmen Chifiriuc, Cornel Munteanu, Greta Patrinoiu, Ramona Ene, Oana Carp
Publikováno v:
Ceramics International. 45:2295-2302
Nanosized ZnO has been prepared following a non-polluting, straightforward, and flexible combustion synthesis method, using as biofuels starch and cellulose, and as zinc source nitrate and acetate. While the crystallite size and the surface area of t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fe62d89994ea19ebfe6343001d8d95b4
https://doi.org/10.1016/j.ceramint.2018.10.144
https://doi.org/10.1016/j.ceramint.2018.10.144
Autor:
Smaranda Iliescu, Gheorghe Ilia, Ramona Ene, Adriana Popa, Viorica Parvulescu, Nicoleta Plesu
Publikováno v:
Polymer Bulletin. 76:139-152
The functionalization of S–1% DVB copolymer was carried out with aminophosphonate groups, and then the samples were covered with silica to obtain hybrid materials. The obtained hybrid materials were used as supports for impregnation of transition m
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::99bd4e3134cac139a0e717f9bfa4dfb9
https://doi.org/10.1007/s00289-018-2370-6
https://doi.org/10.1007/s00289-018-2370-6
Autor:
R. Birjega, Adelina Ianculescu, Alina Tirsoaga, Gabriela Ionita, Oana Carp, Raluca Negrea, Ramona Ene, Paul Chesler
Publikováno v:
Ultrasonics Sonochemistry. 36:326-335
Hierarchical flowers-like zinc oxide structures have been successfully obtained by a simple and fast ultrasound-assisted method performed in a ordinary ultrasonic bath using an ammonia solution and zinc acetate, in the absence of any surfactant or te
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e894cc1bae3a9e910698a914dbeb3802
https://doi.org/10.1016/j.ultsonch.2016.12.005
https://doi.org/10.1016/j.ultsonch.2016.12.005
Autor:
Adriana Popa, Gheorghe Ilia, Smaranda Iliescu, Ecaterina Stela Dragan, Diana Visinescu, Viorica Parvulescu, Ramona Ene
Publikováno v:
Journal of Molecular Catalysis A: Chemical. 408:262-270
Aminophosphonate functionalized copolymers were obtained as supports for transition metals immobilization in order to use them in catalytic applications. Styrene-divinylbenzene copolymer was functionalized with aminophosphonate groups by Kabachnik–
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::84b8188ae31cf54cb0e17c97a3ea1b91
https://doi.org/10.1016/j.molcata.2015.07.035
https://doi.org/10.1016/j.molcata.2015.07.035
Autor:
Gabriela Paun, Gheorghe Ilia, Ramona Ene, Viorica Parvulescu, Adriana Popa, Corneliu-Mircea Davidescu
Publikováno v:
Pure and Applied Chemistry. 86:1793-1803
Two enzymes, laccase and peroxidase, were immobilized on chloromethylated styrene-divinylbenzene copolymers supports functionalized with phosphonates ((RO)2PO) or mixed ammonium and phosphonium groups (N+R3Cl–, P+Ph3Cl–). Phosphonates groups and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::12ad761661817f093234681bc950be54
https://doi.org/10.1515/pac-2014-0715
https://doi.org/10.1515/pac-2014-0715
Autor:
S. Todorova, Georgi Ivanov, Ramona Ene, Viorica Parvulescu, Hristo Kolev, G. Kadinov, Anton Naydenov
Publikováno v:
ATHENS JOURNAL OF SCIENCES. 1:9-20
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8154ae8df746cdd4dd76903758b7d751
https://doi.org/10.30958/ajs.1-1-1
https://doi.org/10.30958/ajs.1-1-1
Autor:
Jose M. Calderon-Moreno, Simona Somacescu, Adina Magdalena Musuc, Nicolae Spătaru, R. Birjega, Greta Patrinoiu, Ramona Ene, Oana Carp
Publikováno v:
European Journal of Inorganic Chemistry. 2014:1010-1019
A facile, versatile, genuine green route that uses starch-derived carbonaceous spheres as the templates and carbon source for tailor-made ZnO spherical structures is described. A simple adjustment of the thermal treatment permits the generation of ei
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5345dc0566fa8a1d6de47b4c60d19b65
https://doi.org/10.1002/ejic.201301263
https://doi.org/10.1002/ejic.201301263
Autor:
Greta Patrinoiu, Daniela C. Culita, Jose M. Calderon-Moreno, R. Birjega, Oana Carp, Ramona Ene
Publikováno v:
Solid State Sciences. 23:58-64
Layered basic zinc salt (LBZS) that contains both carbonate and acetate as intercalated anions was obtained by a sonochemical procedure, using a non-basic zinc acetate aqueous solution. The compound was characterized by IR spectroscopy, thermal analy
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ba187e3b541ab2bd044c3a679179cce4
https://doi.org/10.1016/j.solidstatesciences.2013.06.011
https://doi.org/10.1016/j.solidstatesciences.2013.06.011
Autor:
Cristian D. Ene, Violeta Niculescu, Adriana Popa, Mihaela Mureseanu, Marius Andruh, Viorica Parvulescu, Ramona Ene
Publikováno v:
Journal of Molecular Catalysis A: Chemical. 366:275-281
New catalysts were synthesized by immobilization of neutral and monocationic copper complexes Cu(hfac)2 (hfac− = hexafluoroacetylacetonato ligand) and [Cu(acac)(tmen)]NO3 (acac− = acetylacetonato ligand, tmen = N,N,N′,N′-tetramethyl-ethylendi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8bfd5583ae1e00ea2ac5131fd8c3bd56
https://doi.org/10.1016/j.molcata.2012.10.005
https://doi.org/10.1016/j.molcata.2012.10.005
Autor:
Oana Carp, Ramona Ene, R. Birjega, Greta Patrinoiu, Jose M. Calderon-Moreno, P. Budrugeac, Madalina Tudose
Publikováno v:
Journal of Solid State Chemistry. 186:17-22
ZnO hollow spheres have been synthesized by a simple and environmentally friendly template assisted route. Starch-derived carbonaceous spheres were used as template, impregnated with Zn(CH{sub 3}COO){sub 2}{center_dot}2H{sub 2}O to obtain zinc-contai
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cd66ceba0cc1bf693bb481464450f59d
https://doi.org/10.1016/j.jssc.2011.11.024
https://doi.org/10.1016/j.jssc.2011.11.024