Browsing 2013 by Title

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  • Magnetic properties and applications of carbon nanotubes filled with Fe3O4 nanoparticles 
    KOPYL, Svitlana; TIMOPHEEV, Andrey; BYSTROV, Vladimir; MAIOROV, Mikhail; BDIKIN, Igor; VALENTE, Manuel A.; MAEVSKIJ, Evgenij; SOBOLEV, Nikolai A.; SOUSA, Antonio C. M. (Tehnica UTM, 2013)
    Ordered arrays of magnetic carbon nanotubes have been obtained by means of non-catalytic chemical vapor deposition, by growing nanotubes inside porous alumina templates and subsequently filling them with Fe3O4 particles. ...
  • Making and Using Macroporous p-Type Silicon with Modulated Pore Diameters 
    FÖLL, H.; QUIROGA-GONZÁLEZ, E.; OSSEI-WUSU, E.; CARSTENSEN, J.; AMIRMALEKI, M. (Tehnica UTM, 2013)
    Macropores in Si have many potential uses. For some applications macropores in p-type Si with a defined diameter profile are needed. Producing these pores is more difficult than in n-type Si, where the backside illumination ...
  • Manifestations of the Aharonov-Bohm Effect in Quantum Rings and Möbius Rings 
    FOMIN, Vladimir M. (Tehnica UTM, 2013)
    An overview is given on the recent experimental and theoretical advancements in studies of novel manifestations of the Aharonov-Bohm quantum-interference effect for excitons confined to selfassembled quantum rings and other ...
  • Mechanical influences to the resonance fluorescence of ions in the dressed standing waves 
    BAZGAN, Sergiu; ENAKI, Nicolae (Tehnica UTM, 2013)
    This report is devoted to the problem of the resonance fluorescence of an atomic (or ion) system in the resonance with driving the standing wave of the optical cavity. It is shown that in this case resonance fluorescence ...
  • Medical Devices Vigilance and Patient Safety The MEDEVIPAS project 
    PALLIKARAKIS, Nicolas; BLIZNAKOV, Zhivko (Tehnica UTM, 2013)
    Biomedical Technology has contributed decisively to the impressive progress of modern healthcare over the past fifty years. Although recent technological advancements have led to much more reliable and safer Medical Devices ...
  • Micro-and Mesoporous Carbon Inverse Opal Nanostructures 
    EMELCHENKO, G. A.; ZHOKHOV, A. A.; MASALOV, V. M.; KHODOS, I. I. (Tehnica UTM, 2013)
    The formation of the porous system in carbon inverse opal (C-IOP) nanostructures has been studied. The synthesis of C – IOP was performed using opal matrix as the template and sucrose as the carbon source. Activation of ...
  • Microalgae as possible silver nanofactories 
    CEPOI, L.; RUDI, L.; CHIRIAC, T.; VALUTA, A.; ZINICOVSCAIA, I.; MITINA, T.; DUCA, Gh.; KIRKESALI, E.; FRONTASYEVA, M. V.; PAVLOV, S. S. (Tehnica UTM, 2013)
    Several strains of microalgae Sprirulina platensis, Nostoc linckia and Porphyridium cruentum were studied to assess their ability of silver nanoparticles formation. In the experiments the synthesis of nanoparticles in ...
  • Mid-IR fiber laser for medical application 
    DVORNIKOV, D.; COMANESCU, B. (Tehnica UTM, 2013)
    Tm doped fiber laser designed in a MOPA configuration has been demonstrated. At the incident pump power of 72 W, a maximum output power of 25 W was achieved, resulting in optical conversion efficiency about 35%. The ...
  • Nano-Electronics with Particular Reference to Medical Applications 
    HARTNAGEL, Hans (Tehnica UTM, 2013)
    Physical properties of nanometric particles are surprisingly different from volume effects, particularly regarding the semiconducting materials. Organic materials form a very impressive range of nanometric applications, ...
  • Nano-structures based on superconducting Nb and ferromagnetic CuNi alloy for elaboration of spin-valve core 
    MORARI, Roman (Tehnica UTM, 2013)
    The main goal of our research group is the elaboration of superconducting spin-switch (valve) based on Ferromagnetic/Superconductor/Ferromagnetic core. We could realize all building blocks necessary for the fabrication ...
  • Nanocrystalline silicon multilayer structures for optoelectronics 
    KOVAL, Victoria; BOGDAN, Olexandr; YAKYMENKO, Yuriy (Tehnica UTM, 2013)
    In this paper multilayer structures, based on nanocrystalline silicon, were synthesized in order to make use of the solar spectrum more efficiently. For this purpose, silicon thin films with structure, that varies from ...
  • Nanodimensional AlN layers grown on silicon in the system H2-HCl-Al-NH3 
    RAEVSCHI, Simion; BOTNARIUC, Vasile; GORCEAC, Leonid; TIRON, Stefan; KOMPAN, Mihail; ZHILYAEV, Yurii (Tehnica UTM, 2013)
    There were obtained nanodimensional AlN layers on Si by HVPE (Hydride Vapor Phase Epitaxy) method. SEM (Scanning Electron Microscopy) images of AlN layers, and cross-sections of AlN/Si structures are shown. The structure ...
  • Nanoparticles for Cells Proliferation Enhancement 
    POPA, V.; BRANISTE, F.; TIGINYANU, I. M.; LISII, C.; NACU, V. (Technical University of Moldova, 2013)
    The potential of semiconductor nanoparticles as stimulator for avian mesenchyme stem cells proliferation enhancement is demonstrated. The effect is related to nanoparticles polarization due to external ultrasound field ...
  • Nanostructured Microwire-based Micronanoelectrodes Intended for Biomedical Research 
    BADINTER, E.Ya.; IOISHER, A. M.; SIRCU, S. G. (Tehnica UTM, 2013)
    We explore the main advantages of a nanoelectrode application to biomedical research in comparison with a microelectrode application. Potential designs of glass-coated microwire-based nanoelctrodes are presented. The process ...
  • Nanowires for biomolecule detection 
    LINNROS, Jan (Tehnica UTM, 2013)
    There is an increasing demand for portable sensor systems in health care that enable on-site analyses e.g. at local medicare centers, in ambulances or even at home. Semiconductor nanowires offer a highly sensitive and label ...
  • New compositions of cadmium selenium nanoparticles and dye molecules with cyclodextrin inclusion complexes 
    ASIMOV, M. M.; ANUFRIK, S. S.; TARKOVSKY, V. V.; SAZONKO, H. H. (Tehnica UTM, 2013)
    Spectroscopic properties of new heterogeneous multicolor compositions based on cadmium selenium (CdSe/ZnS) nanocrystal and inclusion complexes of dye molecule with beta-cyclodextrin are presented. Spectral florescence of ...
  • Non-Euclidean Geometry of Human Body and Electrical Networks 
    PENIN, Alexandr; SIDORENKO, Anatoli; VASEASHTA, Ashok (Tehnica UTM, 2013)
    The review of application of non-Euclidean geometries for interpretation of growth of the human body is submitted and features of use of non-Euclidean geometries in the electric circuit theory are shown. The common ...
  • Non-ionizing radiation and humans health 
    KOVALICOV, Mikhail (Tehnica UTM, 2013)
    The environment and it’s ecological safety represents one of the factors that results in people’s health. In our technical century, each person is surrounded by invisible, complex types of radiation, which can help ...
  • Nonlinear cooperative phenomena caused by Fröhlich phonons in biological objects 
    CIOBANU, Nellu; ROTARU, Anatol; TRONCIU, V. Z. (Technical University of Moldova, 2013)
    Nonlinear cooperative stationary phenomena are studied for the interaction of Bose-condensed phonons with millimeter electromagnetic radiation in the biological media. The real and imaginary parts of the dielectric ...
  • Novel Microcolumn Using a Multi-gated Field Emitter 
    MIMURA, Hidenori; NEO, Yoichiro; AOKI, Toru; YOSHIDA, Tomoya; NAGAO, Masayoshi (Tehnica UTM, 2013)
    Recently, our group has developed four- and fivegated field emitter arrays (FEAs) with an electrostatic lens (einzel lens).1, 2) The five-gated FEA has successfully realized a crossover of the electron beam without any ...

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