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11 results on '"Surdu, Adrian-Vasile"'

2. Alternative mitigating solutions based on inorganic nanoparticles for the preservation of cultural heritage

Author

Corbu, Viorica Maria, primary, Dumbravă, Andreea Ştefania, additional, Marinescu, Liliana, additional, Motelica, Ludmila, additional, Chircov, Cristina, additional, Surdu, Adrian Vasile, additional, Gheorghe-Barbu, Irina, additional, Pecete, Ionuţ, additional, Balotescu, Irina, additional, Popa, Marcela, additional, Marinas, Ioana Cristina, additional, Ianovici, Nicoleta, additional, Ciobanu, Daniela-Georgiana, additional, Dițu, Lia Mara, additional, Ficai, Denisa, additional, Oprea, Ovidiu Cristian, additional, Ficai, Anton, additional, Eugenia Șesan, Tatiana, additional, and Chifiriuc, Mariana Carmen, additional

Published
2023
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5. Design, Fabrication, and Characterization of New Materials Based on Zirconia Doped with Mixed Rare Earth Oxides: Review and First Experimental Results

Author

Motoc, Adrian Mihail, primary, Valsan, Sorina, additional, Slobozeanu, Anca Elena, additional, Corban, Mircea, additional, Valerini, Daniele, additional, Prakasam, Mythili, additional, Botan, Mihail, additional, Dragut, Valentin, additional, Vasile, Bogdan St., additional, Surdu, Adrian Vasile, additional, Trusca, Roxana, additional, Grilli, Maria Luisa, additional, and Piticescu, Robert Radu, additional

Published
2020
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6. Photoluminescent Hydroxylapatite: Eu3+ Doping Effect on Biological Behaviour

Author

Andronescu, Ecaterina, primary, Predoi, Daniela, additional, Neacsu, Ionela Andreea, additional, Paduraru, Andrei Viorel, additional, Musuc, Adina Magdalena, additional, Trusca, Roxana, additional, Oprea, Ovidiu, additional, Tanasa, Eugenia, additional, Vasile, Otilia Ruxandra, additional, Nicoara, Adrian Ionut, additional, Surdu, Adrian Vasile, additional, Iordache, Florin, additional, Birca, Alexandra Catalina, additional, Iconaru, Simona Liliana, additional, and Vasile, Bogdan Stefan, additional

Published
2019
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8. Production and Characterization of Antimicrobial Electrospun Nanofibers Containing Polyurethane, Zirconium Oxide and Zeolite

Author

Aydogdu, Mehmet Onur, primary, Oprea, Alexandra Elena, additional, Trusca, Roxana, additional, Surdu, Adrian Vasile, additional, Ficai, Anton, additional, Holban, Alina Maria, additional, Iordache, Florin, additional, Paduraru, Andrei Viorel, additional, Filip, Diana Georgiana, additional, Altun, Esra, additional, Ekren, Nazmi, additional, Oktar, Faik Nuzhet, additional, and Gunduz, Oguzhan, additional

Published
2017
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9. Mesoporous silica coatings for cephalosporin active release at the bone-implant interface

Author

Rădulescu, Dragoş, primary, Voicu, Georgeta, additional, Oprea, Alexandra Elena, additional, Andronescu, Ecaterina, additional, Grumezescu, Valentina, additional, Holban, Alina Maria, additional, Vasile, Bogdan Stefan, additional, Surdu, Adrian Vasile, additional, Grumezescu, Alexandru Mihai, additional, Socol, Gabriel, additional, Mogoantă, Laurenţiu, additional, Mogoşanu, George Dan, additional, Balaure, Paul Cătălin, additional, Rădulescu, Radu, additional, and Chifiriuc, Mariana Carmen, additional

Published
2016
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10. Photoluminescent Hydroxylapatite: Eu 3+ Doping Effect on Biological Behaviour.

Author

Andronescu E, Predoi D, Neacsu IA, Paduraru AV, Musuc AM, Trusca R, Oprea O, Tanasa E, Vasile OR, Nicoara AI, Surdu AV, Iordache F, Birca AC, Iconaru SL, and Vasile BS

Abstract

Luminescent europium-doped hydroxylapatite (Eu X HAp) nanomaterials were successfully obtained by co-precipitation method at low temperature. The morphological, structural and optical properties were investigated by scanning electron microscopy (SEM), transmission electron microscopy (TEM), X -ray diffraction (XRD), Fourier Transform Infrared (FT-IR), UV-Vis and photoluminescence (PL) spectroscopy. The cytotoxicity and biocompatibility of Eu X HAp were also evaluated using MTT (3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide)) assay, oxidative stress assessment and fluorescent microscopy. The results reveal that the Eu 3+ has successfully doped the hexagonal lattice of hydroxylapatite. By enhancing the optical features, these Eu X HAp materials demonstrated superior efficiency to become fluorescent labelling materials for bioimaging applications.

Published
2019
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11. Biocompatible 3D Matrix with Antimicrobial Properties.

Author

Ion A, Andronescu E, Rădulescu D, Rădulescu M, Iordache F, Vasile BȘ, Surdu AV, Albu MG, Maniu H, Chifiriuc MC, Grumezescu AM, and Holban AM

Subjects
Benzofurans chemistry, Cell Line, Cell Survival, Collagen chemistry, Durapatite chemistry, Humans, Materials Testing, Microbial Sensitivity Tests, Microscopy, Electron, Transmission, Spectroscopy, Fourier Transform Infrared, Tissue Engineering, Tissue Scaffolds chemistry, X-Ray Diffraction, Anti-Infective Agents chemistry, Anti-Infective Agents pharmacology, Biocompatible Materials chemistry, Biocompatible Materials pharmacology
Abstract

The aim of this study was to develop, characterize and assess the biological activity of a new regenerative 3D matrix with antimicrobial properties, based on collagen (COLL), hydroxyapatite (HAp), β-cyclodextrin (β-CD) and usnic acid (UA). The prepared 3D matrix was characterized by Scanning Electron Microscopy (SEM), Fourier Transform Infrared Microscopy (FT-IRM), Transmission Electron Microscopy (TEM), and X-ray Diffraction (XRD). In vitro qualitative and quantitative analyses performed on cultured diploid cells demonstrated that the 3D matrix is biocompatible, allowing the normal development and growth of MG-63 osteoblast-like cells and exhibited an antimicrobial effect, especially on the Staphylococcus aureus strain, explained by the particular higher inhibitory activity of usnic acid (UA) against Gram positive bacterial strains. Our data strongly recommend the obtained 3D matrix to be used as a successful alternative for the fabrication of three dimensional (3D) anti-infective regeneration matrix for bone tissue engineering.

Published
2016
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