Articole ştiinţifice: Recent submissions

  • Sensing characteristics of tin-doped ZnO thin films as NO2 gas sensor 
    SHISHIYANU, Sergiu T.; SHISHIYANU, Teodor S.; LUPAN, Oleg I. (ELSEVIER, 2005)
    NO2 gas sensor was fabricated by successive ionic layer adsorption and reaction (SILAR) technique and rapid photothermal processing (RPP) of the Sn-doped ZnO film. The experimental results shows that tin doping of zinc ...
  • Self-assembly ZnO nanostructures for nanoscale devices applications 
    LUPAN, Oleg; SONTEA, Victor; CHOW, Lee; CHERNYAK, Leonid; RAILEAN, Serghei (University of Craiova, 2008)
    We demonstrate a synthetic approach to selfassembly ZnO nanostructures on flat, spherical and curved surfaces. Self-assembly of ZnO nanorods was performed in aqueous solution. The effects of electric field, biopolymer ...
  • Profesorul universitar Teodor Şişianu 70 de ani de la naştere şi 50 de ani de activitate didactică şi ştiinţifică 
    SONTEA, Victor (Societatea Fizicienilor din Moldova, 2003)
    Activităţile şi meritele profesorului universitar Teodor Şişianu dovedesc că domnia sa este un savant, pedagog şi personalitate de excelenţă care a contribuit şi contribuie considerabil la dezvoltarea ştiinţei, învăţămîntului ...
  • Expert System for Medical Diagnosis. Fuzzy Logic 
    TROCIN, Caterina; BRAGARENCO, Andrei; SONTEA, Victor (Institute of Mathematics and Computer Science of the Academy of Sciences of Moldova, 2011)
    Fuzzy systems are considered a special case of expert systems that provides a flexible method for handling uncertainty and imprecise knowledge presentation. This article presents the design steps of an expert system based ...
  • Potenţialul avansat al unui fotopletismograf de construcţie autohtonă pentru diagnosticul vascular non-invaziv 
    SLOBOZEANU, A.; ZATUŞEVSCHII, I.; CREŢU, A.; SONTEA, V. (Universitatea de Stat de Medicină şi Farmacie „Nicolae Testemiţanu”, 2011)
    Senzorul fotopletismografic constă dintr-o lumină infraroşie diodă şi una fotodiodă. Lumina emisă penetrează straturile superioare ale dermului în cazul, în care o parte din acestea este absorbită, iar o alta este reflectată ...
  • Issues of classification, terminology and criteria for diagnosis of arrhythmia 
    SCRIPNIC, V.; ZEMTSOVSKY, E.; SAULEA, A.; SONTEA, V.; MINCIUNĂ, V.; DEAC, A.; VASILIEV, N. (IEEE, 2012)
    In this article are discussed questions of some rare (small) arrhythmias classification and their physiological value from the point of view of synergetic and reliability of the health in extreme conditions.
  • Copper and Magnesium - doped Zinc Oxide Nanorods for Device Applications 
    LUPAN, O.; SONTEA, V.; RAILEAN, S.; POCAZNOI, I.; CHOW, L. (Видавництво Львівської політехніки, 2012)
    In this paper we present an experimental approach to study copper and magnesium-doped zinc oxide nanorods and their integration in wavelength-tunable light-emitting diodes (LEDs).
  • Zinc Oxide Nanostructures – Current Status 
    LUPAN, O.; SONTEA, V.; CRETU, V.; RAILEAN, S.; TROFIM, V. (Kyiv Polytechnic Institute, 2012)
    Development of ZnO nanostructures is of great importance for industrial applications. We analyze synthesis and properties control of zinc oxide, which are important in understanding the growth mechanism and further developing ...
  • Microcontroller based data acquisition system for environmental monitoring 
    IAVORSCHI, Anatolie; SONTEA, Victor (IEEE, 2012)
    This paper presents a data acquisition system based on ARM microcontroller for remote data acquisition and processing of environmental parameters, description of structural scheme of the device and peripheral modules, ...
  • Copper doped zinc oxide micro- and nanostructures for room-temperature sensorial applications 
    LUPAN, Oleg; CRETU, Vasilii; SONTEA, Victor; RAILEAN, Serghei; GHIMPU, Lidia; TIGINYANU, Ion; RUDZEVICH, Yauheni; LIN, Yuqing; CHOW, Lee (IEEE, 2013)
    Detection of hydrogen gas is important for safety reasons. To obtain improved hydrogen sensing performances for miniaturized sensors, copper doping in zinc oxide micro- and nanostructures were investigated. Samples were ...
  • Spectral control of light action on biological particles inside soft biological tissue 
    BARUN, Vladimir; DICK, Serghei; SONTEA, Victor; SERYAKOV, Alexandr; YASHIN, Konstantin (IEEE, 2013)
    Gradient forces formed by speckle structures in laser-irradiated biological tissue are studied. Speckle fields and some their parameters, such as speckle sizes, are theoretically evaluated. Multi-layered human skin is taken ...
  • MEMS for Pathogens Diagnostic 
    OSIPOVICH, V. S.; YASHIN, K. D.; SONTEA, V. P. (Издательство "Новые технологии", 2015)
    A concept was developed of a device for express diagnostics of human diseases in home conditions. The device consists of a laser for excitation of the fluorescence of markers (nanoparticles); a photodetector for recording ...
  • Effective light absorption spectra of endogenic porphyrins in soft biotissue 
    SONTEA, V. P.; ABRAMOVICH, N. D.; BARUN, V. V.; DICK, S. K.; SERYAKOV, A. (IEEE, 2015)
    Light action spectra for main skin chromophores are simulated. Endogenic porphyrins (Pp IX, Cp III, and Up III) are selected as target chromophores. They can produce singlet oxygen (SO) under tissue irradiation, which acts ...
  • Micro-nano-technologies of zinc and copper oxides for sensor and medicine applications 
    LUPAN, Oleg; POSTICA, Vasile; HOPPE, Mathias; SONTEA, Victor; RAILEAN, Serghei; ADELUNG, Rainer (IEEE, 2015)
    The combination of sensors and biosensors with medicine and life science promises to yield extremely innovative and revolutionary advances in healthcare. In this work we report on micro- and nano-technologies for copper ...
  • Synthesis and properties of CuO:Fe nanocrystalline films 
    ABABII, N.; POSTICA, V.; TROFIM, V.; RAILEAN, S.; SONTEA, V.; LUPAN, O. (Institutul de Fizică Aplicată, 2016)
    In this research, nanocrystalline films of Fe-doped CuO were synthesized from chemical solution (SCS) as described in our previous paper. Samples were thermally processed in electrical furnace (TA) and rapid thermal processed ...
  • Highly sensitive and selective Acetone gas sensors based on Au - surface decorated CuO nanostructures 
    ABABII, Nicolai; SONTEA, Victor; CHOW, Lee; LUPAN, Oleg (IEEE, 2017)
    Recently, our group has demonstrated that by virtue functionalization of CuO nanostructured films with Au nanoparticles, it is possible to detect acetone vapors with very low concentrations of down to 10 ppm with high ...
  • Detection properties of individual and networked CNT-ZnO-hybrid tetrapods 
    POSTICA, V.; LUPAN, O.; SONTEA, V.; TROFIM, V.; SCHÜTT, F.; SMAZNA, D.; MISHRA, Y. K.; ADELUNG, R. (IEEE, 2017)
    In this work, the UV detection properties of ZnO tetrapod (ZnO-T) networks functionalized with carbon nanotubes (CNTs), as well as for individual ZnO-T-CNT are reported. The ZnO-T networks were fabricated via a flame ...
  • Nanostructured Al-doped zinc oxide films by rapid photothermal processing for solar cells applications 
    SISIANU, Teodor; SISIANU, Sergiu; SONTEA, Victor; POCAZNOI, Ion; LUPAN, Oleg; CHOW, Lee; KHALLAF, Hani; MONAICO, Eduard; RAILEAN, Serghei (Technical University of Moldova, 2007)
    Nanostructured ZnO thin films have been deposited on Si substrates using a novel chemical solution deposition method. The structure, morphology, and electrical properties of the films were studied for different concentrations ...
  • Doped Oxide Nanoarchitectures for Device Applications 
    LUPAN, O.; CHOW, L.; RAILEAN, S.; SONTEA, V.; POCAZNOI, I. (Institute of Electronic Engineering and Nanotechnologies “D.GHITU” ASM, 2011)
    We present an experimental approach to study magnesium and cadmium-alloyed zinc oxide nanorods and their integration in wavelength-tunable light-emitting diodes (LEDs) Doped zinc oxide were deposited on p-GaN substrates ...
  • Hydrogen Gas Response of Zn1 – xAgxOy and Cu1 – xZnxOy Nanostructured Films 
    CRETU, V.; POSTICA, V.; ABABII, N.; SONTEA, V.; LUPAN, O. (Sumy State University, 2014)
    Detection of hydrogen gas in industry, biomedical systems and combustion systems is important for safety reasons. Silver doping in zinc oxide and zinc doping in copper oxide were investigated to obtain improved hydrogen ...

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