Zobrazeno 1 - 10
of 22
pro vyhledávání: '"Gheorghe Mihailescu"'
Autor:
Liliana Olenic, Gheorghe Mihailescu, Otilia Bizerea, Viorica Cosma, Elena Maria Pica, Eugenia Fagadar Cosma, Dana Vlascici
Publikováno v:
Sensors, Vol 8, Iss 8, Pp 4995-5004 (2008)
Two functionalized porphyrins: 5,10,15,20-tetrakis(3,4-dimethoxyphenyl) porphyrin (A) and 5,10,15,20-tetrakis(3-hydroxyphenyl)porphyrin (B) obtained and characterized by us were used as ionophores (I) for preparing PVC-based membrane sensors selectiv
Externí odkaz:
https://doaj.org/article/89edd24e05a54f16b5e5331852c51de0
Simple hemoglobin–gold nanoparticles modified electrode for the amperometric detection of acrylamide
Autor:
Sorina Garabagiu, Gheorghe Mihailescu
Publikováno v:
Journal of Electroanalytical Chemistry. 659:196-200
In this work we propose the design of an electrochemical setup (hemoglobin–gold-nanoparticles–ITO glass), used for the determination of a hemoglobin adduct (acrylamide). Acrylamide is neurotoxin and potential carcinogen, formed mainly in high tem
Autor:
Gabriela Blanita, Alexandru S. Biris, Gheorghe Mihailescu, Sorina Garabagiu, Liliana Olenic, Eugenia-Fagadar Cosma
Publikováno v:
Journal of Nanoscience and Nanotechnology. 10:2527-2530
A driving force for the growing interest in nanoassemblies is the use of nanoparticles linked to organic molecules. The goal of our research is to investigate the coupling of gold and silver nanoparticles (GNP and AgNP) with porphyrins molecules. We
Autor:
Alexandru S. Biris, Liliana Olenic, Dan Lupu, Gheorghe Mihailescu, Alexandru R. Biris, Sorina Garabagiu, Stela Pruneanu, Petre Margineanu
Publikováno v:
Journal of Materials Science: Materials in Medicine. 20:177-183
In this paper we have studied the adsorption properties of various bio-active systems onto the surface of carbon nanofibers (CNF) synthesized by chemical vapor deposition (CVD). Amino acids (alanine, aspartic acid, glutamic acid) and glucose oxidase
Autor:
Gheorghe Mihăilescu, Roxana-Mihaela Tăut, Radu Tampa, Sanja Perić, Martina Đodan, Valeriu-Norocel Nicolescu
Publikováno v:
Bucovina Forestieră, Vol 23, Iss 1 (2023)
Duglasul verde a fost introdus în Ocolul silvic Călimănești la începutul secolului al 20-lea. În prezent, există 78 de arborete cu duglas verde care acoperă 1451,1 ha, din care specia se întâlnește pe 389,15 ha. Doar șapte din aceste arbo
Externí odkaz:
https://doaj.org/article/c0865a50f6034d8dbb939e47c363b8d9
Autor:
Gheorghe Mihailescu, G. Watson, Zulfiqur Ali, Shun Quin Hu, Liliana Olenic, Alexandru R. Biris, Dan Lupu, Stela Pruneanu
Publikováno v:
Particulate Science and Technology. 24:311-320
Carbon nanofibers, with diameters between 80 and 290 nm and specific area of 242 m2g−1, have been prepared by the catalytic chemical vapor deposition method. After preparation, the powder was mixed with silicon oil in order to create a paste electr
Autor:
Gheorghe Mihailescu, Dan Lupu, I. Bratu, Lucian Barbu Tudoran, Stela Pruneanu, Alexandru R. Biris, Grigore Sigartau, Liliana Olenic
Publikováno v:
Particulate Science and Technology. 23:79-83
Gold colloidal nanoparticles (GNPs) were prepared by reducing a complex of Au+. Na3Au(SO3)2 with sodium citrate. The procedure provides control of the dimension of nanoparticles produced, which is a function of reaction time and concentration of reac
Autor:
Eberhard Burkel, C. Bunescu, A. Jianu, Stela Pruneanu, Alexandru R. Biris, Gheorghe Mihailescu, Dan Lupu, Emil Indrea, Ioan Misan, Liliana Olenic
Publikováno v:
Carbon. 42:503-507
The catalytic chemical vapor deposition (CCVD) method in which the outer furnace is replaced by the high frequency induction heating (IH) has been used for synthesis of carbon nanostructures. Using different catalysts, various types of carbon nanofib
Autor:
Sorina Garabagiu, Gheorghe Mihailescu
Publikováno v:
Materials Letters. 65:1648-1650
In this study, we propose the determination of the dissolution rate of anodic aluminum oxide barrier layer, using a new, simple electrochemical setup and the transmission spectrum of alumina, recorded before and after several successive partial remov
Publikováno v:
Journal of Planar Chromatography – Modern TLC. 14:246-251
Some of the physical properties of dielectric liquids are influenced by electric fields. Interesting results were obtained in this work by applying external alternating electric fields to chromatographic media (paper or TLC plates) filled with dielec