Zobrazeno 1 - 10
of 43
pro vyhledávání: '"Madalina-Elena David"'
Autor:
Rodica-Mariana Ion, Ramona Marina Grigorescu, Lorena Iancu, Madalina Elena David, Adriana Cirstoiu, Georgiana Iulia Paraschiv, Maria Geba
Publikováno v:
Heritage, Vol 5, Iss 3, Pp 2241-2257 (2022)
Paper aging and protection processes play an essential function in the preservation of library collections and archives. In this study, some physical-mechanical properties of paper samples from XXth century books (private collections), such as pH aci
Externí odkaz:
https://doaj.org/article/c60c6d45f6ae4b0992d33655b8f4f3c2
Autor:
Rodica Mariana Ion, Lorena Iancu, Madalina Elena David, Ramona Marina Grigorescu, Bogdan Trica, Raluca Somoghi, Sorina Florentina Vasile, Ioana Daniela Dulama, Anca Irina Gheboianu, Sorin Tincu
Publikováno v:
Heritage, Vol 3, Iss 3, Pp 941-964 (2020)
The aim of this paper is to analyze the construction materials (mortars) of an architectural monument (Deserted Tower (Lilly Tower) from Corvins’ Castle, Romania). The mortars were characterized following a multidisciplinary approach, combining mac
Externí odkaz:
https://doaj.org/article/764ce486e62b458fa0f35f319e89491d
Autor:
Madalina Elena David, Rodica-Mariana Ion, Ramona Marina Grigorescu, Lorena Iancu, Mariana Constantin, Raluca Maria Stirbescu, Anca Irina Gheboianu
Publikováno v:
Nanomaterials, Vol 12, Iss 12, p 1990 (2022)
In this work, new treatments based on multi-walled carbon nanotubes (MWCNTs), MWCNTs decorated with zinc oxide (ZnO), MWCNTs decorated with hydroxyapatite (HAp) and MWCNTs decorated with silver (Ag) nanoparticles dispersed in PHBHV solution are propo
Externí odkaz:
https://doaj.org/article/4ed091a652774767ac9b8463019420ab
Autor:
Madalina Elena David, Rodica Mariana Ion, Lorena Iancu, Ramona Marina Grigorescu, Alina Maria Holban, Raluca Somoghi, Adrian Ionut Nicoara, Bogdan Spurcaciu, Anca Irina Gheboianu
Publikováno v:
Chemistry Proceedings, Vol 7, Iss 1, p 64 (2022)
Worldwide, one of the most significant threats to human health problems remains antibiotic resistance [...]
Externí odkaz:
https://doaj.org/article/5867a624b4a747c88fdf55cca5570cd0
Autor:
Madalina Elena David, Rodica Mariana Ion, Ramona Marina Grigorescu, Lorena Iancu, Alina Maria Holban, Florin Iordache, Adrian Ionut Nicoara, Elvira Alexandrescu, Raluca Somoghi, Sofia Teodorescu, Anca Irina Gheboianu
Publikováno v:
Nanomaterials, Vol 12, Iss 2, p 239 (2022)
This research focuses on the synthesis of multi-walled carbon nanotubes (MWCNTs) decorated with TiO2 nanoparticles (NPs) and incorporated in cellulose acetate-collagen film in order to obtain a new biomaterial with potential biomedical applications a
Externí odkaz:
https://doaj.org/article/93ae103363434b60bfe86087b690870f
Autor:
Ramona Marina Grigorescu, Lorena Iancu, Rodica-Mariana Ion, Madalina Elena David, Elvira Alexandrescu, Marius Ghiurea, Raluca Maria Stirbescu
Publikováno v:
Scientific Bulletin of Valahia University - Materials and Mechanics. 18:15-22
The aim of the paper consist in the synthesis of double substituted carbonated hydroxyapatite using Zn2+ and Mg2+ ions in comparison with the previous obtained Sr-Zn-CHAp. Fourier transform infrared spectroscopy, X-ray diffraction, environmental scan
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::42903baf0f8d742ab499748222dde9a2
https://doi.org/10.2478/bsmm-2022-0013
https://doi.org/10.2478/bsmm-2022-0013
Autor:
Lorena Iancu, Ramona Marina Grigorescu, Rodica-Mariana Ion, Madalina Elena David, Sofia Slamnoiu-Teodorescu
Publikováno v:
Scientific Bulletin of Valahia University - Materials and Mechanics. 18:8-14
The aim of the paper consists in assessing the protection of fir wood samples against UV degradation by using polyacrylates and titanium dioxide as absorber. The irradiation was achieved for 648 hours, considered as about 2 years of weathering. Color
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6b6efe881b87f3d4f6105e2bb5b650c0
https://doi.org/10.2478/bsmm-2022-0012
https://doi.org/10.2478/bsmm-2022-0012
Autor:
Madalina Elena David, Rodica-Mariana Ion, Ramona Marina Grigorescu, Lorena Iancu, Alina Maria Holban, Adrian Ionut Nicoara, Elvira Alexandrescu, Raluca Somoghi, Mihaela Ganciarov, Gabriel Vasilievici, Anca Irina Gheboianu
Publikováno v:
Nanomaterials, Vol 11, Iss 6, p 1415 (2021)
In this study, multi-walled carbon nanotubes (MWCNTs) were decorated with different types of nanoparticles (NPs) in order to obtain hybrid materials with improved antimicrobial activity. Structural and morphological analysis, such as Fourier transfor
Externí odkaz:
https://doaj.org/article/6125066dbab7497abc081f850792e76e
Publikováno v:
Scientific Bulletin of Valahia University - Materials and Mechanics. 18:33-37
The present work aims to study the adsorption processes and the photochemical depollution of the waters contaminated with Direct Orange textile dyes - 26 released into the water. Also, the paper shows the polysulfone (PSf) membranes, used for adsorpt
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6370c1b5766b19a9fde67f7390a5ae8b
https://doi.org/10.2478/bsmm-2022-0005
https://doi.org/10.2478/bsmm-2022-0005
Autor:
Ramona Marina Grigorescu, Paul Ghioca, Lorena Iancu, Madalina Elena David, Rodica-Mariana Ion, Raluca Augusta Gabor, Cristian-Andi Nicolae, Sofia Teodorescu-Slamnoiu, Elvira Alexandrescu
Publikováno v:
Journal of Polymer Research. 30
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::216f44db268b877ee9db4f56b4242254
https://doi.org/10.1007/s10965-022-03432-5
https://doi.org/10.1007/s10965-022-03432-5