Zobrazeno 1 - 10
of 34
pro vyhledávání: '"Rami Doukeh"'
Autor:
Ioana Lavinia Lixandru Matei, Bogdan Alexandru Sava, Codruta Sarosi, Cristina Dușescu-Vasile, Daniela Roxana Popovici, Andreea Iuliana Ionescu, Dorin Bomboș, Marian Băjan, Rami Doukeh
Publikováno v:
Nanomaterials, Vol 14, Iss 16, p 1323 (2024)
Bioactive glass is currently considered a material with a high biocompatibility and has been used both in the field of bone regeneration and in the preparation of cosmetic products with the controlled release of active compounds. The present work inv
Externí odkaz:
https://doaj.org/article/a866ce75256949f3923339f2cd096f85
Autor:
Doina Prodan, Marioara Moldovan, Stanca Cuc, Codruţa Sarosi, Ioan Petean, Miuța Filip, Rahela Carpa, Rami Doukeh, Ioana-Codruta Mirica
Publikováno v:
Polymers, Vol 16, Iss 12, p 1743 (2024)
The aim of this study was to obtain three experimental resin-based cements containing GO and HA-Ag for posterior restorations. The samples (S0, S1, and S2) shared the same polymer matrix (BisGMA, TEGDMA) and powder mixture (bioglass (La2O3 and Sr-Zr)
Externí odkaz:
https://doaj.org/article/a2248dc6012c44a3a37da45da1d455e5
Autor:
Viorel Gheorghe, Catalina Gabriela Gheorghe, Daniela Roxana Popovici, Sonia Mihai, Catalina Calin, Elena Emilia Sarbu, Rami Doukeh, Nicoleta Grigoriu, Constantin Nicolae Toader, Cristiana Epure, Vasile Matei
Publikováno v:
Toxics, Vol 11, Iss 8, p 672 (2023)
The removal yield of organic substances present in water depends on the environmental conditions, on the chemical composition of the water and on the chemical substance dissolved in the water, which constitutes the substrate of the metabolic activiti
Externí odkaz:
https://doaj.org/article/146c860fa5d3447598df5a8c7c3cf6f0
Autor:
Catalina Calin, Cristian Leostean, Ancuța Roxana Trifoi, Elena-Emilia Oprescu, Elizabeth Wiita, Ionut Banu, Rami Doukeh
Publikováno v:
Scientific Reports, Vol 11, Iss 1, Pp 1-15 (2021)
Abstract The hydrodesulphurization of a model component and equimolar ternary mixture of thiophene, 2-ethylthiophene and benzothiophene over sulphided CoMo/γ-Al2O3 and CoMo/γ-Al2O3-Nb2O5 catalysts were investigated in a fixed bed flow reactor. The
Externí odkaz:
https://doaj.org/article/996d8fa3f5454f1db0e28a56665d7b59
Autor:
Andrei Moldovan, Stanca Cuc, Doina Prodan, Mircea Rusu, Dorin Popa, Adrian Catalin Taut, Ioan Petean, Dorin Bomboş, Rami Doukeh, Ovidiu Nemes
Publikováno v:
Polymers, Vol 15, Iss 13, p 2855 (2023)
The present study is focused on polylactic acid (PLA) blending with bio nanoadditives, such as Tonsil® (clay) and Aerosil®, to obtain nanocomposites for a new generation of food packaging. The basic composition was enhanced using Sorbitan oleate (E
Externí odkaz:
https://doaj.org/article/5bc6f66173854a0e867b28dbe0008b76
Autor:
Andreea Bondarev, Daniela Roxana Popovici, Cătalina Călin, Sonia Mihai, Elena-Emilia Sȋrbu, Rami Doukeh
Publikováno v:
Materials, Vol 16, Iss 12, p 4285 (2023)
The aim of the study was to prepare effective low-cost green adsorbents based on spent black tea leaves for the removal of nitrate ions from aqueous solutions. These adsorbents were obtained either by thermally treating spent tea to produce biochar (
Externí odkaz:
https://doaj.org/article/2afd67b3b0c14f46b98465539326cbfd
Autor:
Rami Doukeh, Dorin Bombos, Mihaela Bombos, Elena-Emilia Oprescu, Gheorghe Dumitrascu, Gabriel Vasilievici, Catalina Calin
Publikováno v:
Scientific Reports, Vol 11, Iss 1, Pp 1-13 (2021)
Abstract Bio-oil produced from biomass pyrolysis has the potential to become an alternative renewable fuel. However due to the high content of oxygenated compounds is unsuitable as transportation fuel. The objective of this work is to evaluate the ca
Externí odkaz:
https://doaj.org/article/b20cf9cb225d41c0b68aad2df409b726
Autor:
Rami Doukeh, Maria Râpă, Ecaterina Matei, Doina Prodan, Romuald Győrgy, Ancuta Trifoi, Ionut Banu
Publikováno v:
Catalysts, Vol 13, Iss 4, p 782 (2023)
Tungstophosphoric acid (H3PW12O40) supported on silica-coated magnetite nanoparticles has been prepared and used as a heterogeneous acid catalyst (Fe3O4@SiO2@HPW) in the condensation of benzaldehyde (B) with glycerol (Gly) for the production of cycli
Externí odkaz:
https://doaj.org/article/86f8e4254746413691ccc24b3d2c6804
Autor:
Dorin Bombos, Catalina Calina, Sanda Velea, Mihaela Bombos, Rami Doukeh, Gabriel Vasilievici, Elena-Emilia Oprescu
Publikováno v:
Proceedings, Vol 29, Iss 1, p 108 (2019)
Bio-oil is the liquid fraction obtained from the pyrolysis process and is an important source of [...]
Externí odkaz:
https://doaj.org/article/44fa4c459c764add9d90596ba1f09146
Autor:
Nemes, Andrei Moldovan, Stanca Cuc, Doina Prodan, Mircea Rusu, Dorin Popa, Adrian Catalin Taut, Ioan Petean, Dorin Bomboş, Rami Doukeh, Ovidiu
Publikováno v:
Polymers; Volume 15; Issue 13; Pages: 2855
The present study is focused on polylactic acid (PLA) blending with bio nanoadditives, such as Tonsil® (clay) and Aerosil®, to obtain nanocomposites for a new generation of food packaging. The basic composition was enhanced using Sorbitan oleate (E