IRTUM – Institutional Repository of the Technical University of Moldova

Browsing Articole din publicaţii internaţionale by Title

Browsing Articole din publicaţii internaţionale by Title

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  • Biochemical changes in Nostoc linckia associated with selenium nanoparticles biosynthesis 
    ZINICOVSCAIA, Inga; RUDI, Liudmila; VALUTA, Ana; CEPOI, Liliana; VERGEL, Konstantin; FRONTASYEVA, Marina V.; SAFONOV, Alexey; WELLS, Markus; GROZDOV, Dmitrii (Sciendo, 2016)
    The cyanobacterium Nostoc linckia was used to study the biotechnology of selenium nanoparticles synthesis for the first time. The experimental conditions of the nanoparticle production by the studied cyanobacteria in aqueous ...
  • Biological active compounds from native food sources for fermented dairy products 
    TIȚA, Mihaela Adriana; POPOVICI, Cristina; TAMOŠAITIENĖ, Loreta; BRADAUSKIENE, Vijole (National University of Food Technologies, Kyiv, Ukraine, 2020)
    The present research aims to identify and quantify valuable compounds from native products such as honey, walnut and sea buckthorn in order to produce fermented product from cow's milk.
  • Biological reserve of iodine in the fortified fatty products 
    POPOVICI, Cristina; DESEATNICOVA, Olga; STURZA, Rodica (Національний університет харчових технологій, Київ, 2015)
    In order to reveal the influence of iodination process on the indexes of quality of margarine, and for determination of it oxidative stability there were determined physical and chemical parameters of studied product.
  • Biomass of Arthrospira platensis enriched with lithium by bioaccumulation and biosorption process 
    CEPOI, Liliana; ZINICOVSCAIA, Inga; RUDI, Ludmila; CHIRIAC, Tatiana; PANTELICA, Ana; APOSTOL, Andrei; DJUR, Svetlana; GANEA, Larisa; IANCU, Decebal (Elsevier, 2021)
    The process of production of lithium-enriched Arthrospira platensis biomass in bioaccumulation and biosorption processes was studied. Lithium, Na and Mg content in biomass was determined using the Proton Induced Gamma ...
  • Biomass production and pigment content in Arthrospira platensis by adding AuNP(PEG) AND AgNP(PEG) at different growth phases of cultivation cycle 
    RUDI, Ludmila; CHIRIAC, Tatiana; CEPOI, Liliana; MISCU, Vera; ZINICOVSCAIA, Inga; VALUTA, Ana; RUDIC, Valeriu (Universitatea din Oradea, 2021)
    The current study aimed to investigate the influence of growth phase on the response of cyanobacterium Arthrospira platensis to the presence of Au and Ag nanoparticles stabilized with polyethylene glycol in the culture ...
  • Biomass quality of hemp, Cannabis sativa L., and prospects of its use for various energy purposes 
    ŢÎŢEI, Victor; GADIBADI, Mihai; GUŢU, Ana; DARADUDA, Nicolae; MAZĂRE, Veaceslav; ARMAŞ, Andrei; CEREMPEI, Valerian (University of Agronomic Sciences and Veterinary Medicine of Bucharest, 2020)
    Plant biomass is an important renewable energy source in the world, and its importance has increased in regional and national energy strategies. The main objective of this research has been to evaluate the dry biomass ...
  • Biomimetic Chaotic Sensors for Water Salinity Measurements and Conductive Titrimetry 
    TEODORESCU, Horia-Nicolai L.; COJOCARU, Victor P. (IEEE, 2012)
    We present a simple sensor based on chaotic dynamics for the determination of water salinity. The sensor is based on the change in dynamics produced in a nonlinear dynamic circuit, which has a circuit element composed of ...
  • Biopolymer-assisted self-assembly of ZnO nanoarchitectures from nanorods 
    LUPAN, O.; CHOW, L.; CHAI, G.; SCHULTE, A.; PARK, S.; LOPATIUK-TIRPAK, O.; CHERNYAK, L.; HEINRICH, H. (ELSEVIER, 2008)
    We have investigated three-dimensional (3-D) architectures–microspheres and radial structures–based on biopolymer-assisted self-assembly from one-dimensional ZnO nanorods. The developed method is simple, rapid and ...
  • Bioremediation Capacity of Edaphic Cyanobacteria Nostoc linckia for Chromium in Association with Other Heavy-Metals-Contaminated Soils 
    CEPOI, Liliana; ZINICOVSCAIA, Inga; VALUTA, Ana; CODREANU, Liviu; RUDI, Ludmila; CHIRIAC, Tatiana; YUSHIN, Nikita; GROZDOV, Dmitrii; PESHKOVA, Alexandra (MDPI (Basel, Switzerland), 2022)
    Anthropogenic activity is the main factor contributing to soil pollution with various toxic metals, including Cr(VI), which dictates the need for decontamination. Often, the traditionally used remediation methods (soil ...
  • Biotechnological potential of lactic acid bacteria preserved in national collection of nonpathogenic microorganisms 
    BOGDAN-GOLUBI, Nina (Moldova State University, 2023)
    The aim of this study was to review of lactic acid bacteria from NCNM and their potential for industrial applications.
  • Birefractive Effects in Crystals and Quantum Wells 
    ZALAMAI, Victor; SYRBU, Nicolae (Institutul de Fizică Aplicată al AŞM, 2017)
    Double refraction or birefringence is an effect of the light splitting into two components in anisotropic media. If a light ray falls perpendicular to the surface of the crystal, then on this surface it splits into two ...
  • Birefringence and band structure of CdP2 crystals 
    BERIL, S. I.; STAMOV, I. G.; SYRBU, N. N.; ZALAMAI, V. V. (Elservier, 2013)
    The spatial dispersion in CdP2 crystals was investigated. The dispersion is positive (nk||с>nk||у) at λ>λ0 and negative (nk||с<nk||у) at λ<λ0. CdP2 crystals are isotropic for wavelength λо=896nm. Indirect transitions in ...
  • Birefringence and excitonic spectra of TlGaS2 crystals 
    STAMOV, I. G.; SYRBU, N. N.; URSAKI, V. V.; ZALAMAI, V. V. (ELSEVIER, 1999)
    The anisotropy of transmission spectra was investigated in TlGaS2 crystals. An intensive transmission line was found in samples placed between two crossed polarizers. Ground and excited states of excitons were detected in ...
  • Birefringence and excitonic spectra of TlGaS2 crystals 
    STAMOV, I. G.; SYRBU, N. N.; URSAKI, V. V.; ZALAMAI, V. V. (Elservier, 2013)
    The anisotropy of transmission spectra was investigated in TlGaS2 crystals. An intensive transmission line was found in samples placed between two crossed polarizers. Ground and excited states of excitons were detected in ...
  • Birefringence in In0 .3Ga0 .7As/GaAs Quantum Layers 
    SYRBU, N.; DOROGAN, A.; DOROGAN, V.; TIRON, A.; ZALAMAI, V. (American Scientific Publishers, 2015)
    Reflection, wavelength modulated reflection and transmission spectra at P, P (S, S) and 45°, 45° (135°, 135°) polarizations for incidence angles close to normal and Brewster one were researched in quantum In0.3Ga0.7As ...
  • Birefringence in PbGa2S4 AND CdGa2S4 crystals 
    NEMERENCO, L.; PARVAN, V.; SYRBU, N.; MASNIC, A. (Institutul de Fizică Aplicată al AŞM, 2012)
    Cadmium thiogallate CdGa2S4 has a coefficient of nonlinear susceptibility is five times greater than the coefficient of nonlinear susceptibility of niobate lithium . The dispersion of birefringence in CdGa2S4 and PbGa2S4 ...
  • Birefringence in quantum wells of heterostructures In0.68Al0.1Ga0.13As/In0.42Al0.22Ga0.24As/InP 
    SYRBU, N.; DOROGAN, A.; DOROGAN, V.; ZALAMAI, V. (Elservier, 2015)
    The polarization dependences of reflection and wavelength modulated reflection spectra of quantum wells In0.68Al0.1Ga0.13As/In0.42Al0.22Ga0.24As were investigated. Spectral dependences of refractive indices, extinction ...
  • Birefringence of Cu2ZnSiSe4 single crystals 
    SYRBU, N. N.; ZALAMAI, V.; GUC, M.; LEVCENKO, S.; DOROGAN, A.; ARUSHANOV, E. (Elservier, 2015)
    In Cu2ZnSiSe4 single crystals an interference spectra of the Fabry–Perot type due to observed birefringence were studied and spectral dependence of the refractive index n|| (E||c) and n⊥ (E⊥c), which intersect at isotropic ...
  • Birefringence of CuGa2S4 crystals 
    SYRBU, N.; DOROGAN, A.; URSAKI, V.; STAMOV, I.; TIGINYANU, I. M. (The Electrochemical Society, 2011)
    Investigation of the spectral characteristics as a function of the crystal thickness demonstrates that one can create filters using thin crystals for selecting several spectral lines. The wavelength of these lines is ...
  • Birefringence of CuGaxAl1-xSe2 crystals 
    SYRBU, N. N.; DOROGAN, A. V.; MASNIK, A.; URSAKI, V. V. (IOP Publishing, 2011)
    Excitonic reflection spectra of CuAlSe2 crystals were studied at 10 K. The spectral dependences of refractive indices no and ne were calculated. The isotropic wavelength (the point of intersection of no and ne) in the ...

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