Browsing by Subject "nanocomposites"

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  • Application of CoFe2O4/PEG nanocomposite as a peroxidase mimetic in the colorimetric detection of glyphosate 
    GUTSUL, Tatiana; SIRBU, Andrei; LUPU, Maria; SIDORENKO, Anatolie (Technical University of Moldova, 2024)
    In the presented work, cobalt ferrite nanoparticles stabilized with polyethylene glycol were synthesized by the solvathermal method, the CoFe2O4/PEG nanocomposite was created on their basis, and identification by various ...
  • Assessment of the Antimicrobial Activity of Polymer Materials with Added Nanosilica Modified by Silver Compounds 
    ZHELIBA, M. D.; GERASHCHENKO, I. I.; KARABANOVA, L. V.; VORONIN, E. F.; CHORNOPYSHCHUK, R. M.; OSOLODCHENKO, T. P.; BURKOVSKYI, M. I. (Tehnica UTM, 2015)
    The study was performed using PU and IPNs with 83 % PU and 17 % PHEMA. 10 % of the nanosilica with silver salt immobilized as one "layer" on the surface was inserted into each of them. The antimicrobial activity of the ...
  • CdSe Quantum Dots and SBMA/CdSe Nanocomposites Characterization by Optical and 2D DOSY NMR Methods 
    GERU, I. I.; BORDIAN, O. T.; CULEAC, I. P.; VERLAN, V. I. (Horizon Research Publishing, 2015)
    We present experimental results on preparation and characterization of colloidal CdSe quantum dots (QDs) and polymer nanocomposite based on them. CdSe QDs were characterized by UV absorbance and visible photoluminescence ...
  • Characterization of new nanocomposit PEPC / anthracenehalcon 
    BORDIAN, O.; VERLAN, V.; IOVU, M.; CULEAC, I.; NISTOR, I.; POPUŞOI, A.; DRAGALIN, G.; BARBĂ, N. (Institutul de Fizică Aplicată al AŞM, 2012)
    Nanocomposites PEPC / ANA-Halcon (chemical formula is shown below Figure 1) were investigated. Nanocomposite coatings were obtained by the chemical solution method. PEPC and ANAHalcon were separately dissolved in benzene ...
  • Characterization the nanocomposites of coordination compounds of Eu3+ ions/PEPC by TGA, DSC, TEM AND SEM 
    BORDIAN, O.; VERLAN, V.; CULEAC, I.; IOVU, M.; BRANCOVEANU, O.; BALAN, D.; BOJIN, D.; ZUBAREVA, V.; ENACHESCU, M. (Institutul de Fizică Aplicată al AŞM, 2016)
    Coordination compounds of Europium(III) are excellent materials for a new generation of light emitting devices with high efficiency, easy color tuning, temperature insensitivity, and high stability. Compounds Eu(TTA)3(Ph3PO)2, ...
  • Detector flexibil de gaze în baza nano-compozitului Te/SnO2 (V) 
    ȚIULEANU, D.; MOCREAC, O.; AFANASIEV, A. (Universitatea Tehnica din Cluj-Napoca, 2023)
    Invenția se referă la dispozitive sensibile la gaze, în special la detectori ecologici flexibili de gaze toxice pe bază de telur sau aliajele lui, și poate fi utilizată la detectarea rapidă a gazelor toxice în concentrații ...
  • DLC Thin Films for Cardiovascular Stents 
    SHISHIYANU, S. T.; SHISHIYANU, T. S.; STEFANOV, P. S.; GUEORGUIEV, V. K. (Springer Nature Switzerland, 2013)
    Diamond-like carbon films (DLC films) for cardiovascular implants have successfully been prepared by dual-target unbalanced magnetron sputtering and Rapid Photothermal Processing (RPP). It is found that the sputtering ...
  • DNA-based composite with quercetin and fluorescein for medical applications 
    ROBU, S.; GONTA, A.; GONTA, M.; CULEAC, I.; FILIP, V.; RAU, I. (Institutul de Fizică Aplicată al AŞM, 2014)
    We report here preparation and characterization of DNA based composites, containing DNA as a matrix, and luminescent additives - fluorescein, an organic dye, and quercetin, an organic antioxidant.
  • Effective Laser Luminescence of Nanocomposites Eu(TTA)2(Ph3PO)2NO3-Polyvinylpyrrolidone 
    VERLAN, V. I.; IOVU, M. S.; BUZURNIUC, S. A.; NISTOR, Yu. H.; CULEAC, I.; TURTA, C. I.; ZUBAREVA, V. E.; MALAHOV, L. A. (Technical University of Moldova, 2011)
    Thin films (1-10 μm thickness) of nanocomposites (NC) based on organic coordinated compound (OCC) Eu(TTA)2(Ph3PO)2NO3 (where TTA is thenoyltrifluoroacetonate (C8H5F3O2S), Ph3PO - triphenylphosphine (C6H5PO) and polymer – ...
  • Effective Transfer of UV Energy to Red Luminescence in the Nanocomposites Polymer/Eu Coordination Compounds 
    VERLAN, V. I.; IOVU, M. S.; CULEAC, I.; BORDIAN, O.; ZUBAREVA, V. E.; NISTOR, Iu. (Tehnica UTM, 2015)
    Nanocomposites (NCs) thin films based on oligomer poly-N-epoxypropylcarbazole (PEPC) and organic coordinated compounds (OCC) have been obtained by chemical methods. Absorption threshold for samples with different concentrations ...
  • Energy Transfer in Organic Luminophore Nanocomposites 
    VERLAN, V.; ANDRIESH, A. M.; CULEAC, I.; POPUSHOI, A.; DRAGALIN, G.; BARBĂ, N.; BUZURNIUC, S.; MALAHOV, L. (Technical University of Moldova, 2011)
    New light-emitting layers of nanocomposites on polymer base have been obtained. As polymeric matrices the poly-N-vinylpirrolidone has been used. As organic luminophore matertials new compound from izotiocianatopropenone ...
  • Flexible thin films based on Te-SnO2 nanocomposites and their gas sensing properties 
    TSIULYANU, D.; MOCREAC, O.; AFANASIEV, A.; MONAICO, E. (International Conference on Physics of Advanced Materials (ICPAM), 2021)
    Printed electronics becomes very attractive due to the ability of using sustainable, compostable and recyclable materials including biobased plastics and paper in the elaboration of different flexible thin-film sensors, ...
  • Gas sensitive films based on Te-SnO2 nanocomposite on flexible substrate 
    TSIULYANU, Dumitru; MOCREAC, Olga; AFANASIEV, Andrei; MONAICO, Eduard (Technical University of Moldova, 2022)
    Flexible films based on novel Te-SnO2 nanocomposites were fabricated for detection of toxic gases at room temperature. The Te-SnO2 nanocomposites were obtained via solvohermal recrystallization of pure crystalline tellurium ...
  • Low density polyethylene degradation by soil microorganisms 
    CORCIMARU, S.; MERENIUC, L.; SÎTNIC, F.; RASTIMESINA, I.; GUTUL, T. (Institute of Microbiology and Biotechnology, Republic of Moldova, 2022)
    The purpose of this work was to estimate the LDPE biodegradation rates and the possibilities of their acceleration in soil from two contrasting territories from the Republic of Moldova – a virgin forest soil, and in a ...
  • Luminescence of nanocomposites with different coordination of Eu+3 ions and polymers 
    VERLAN, V. I.; IOVU, M. S.; ANDRIESH, A. M.; CULEAC, I.; TURTA, C. I.; ZUBAREVA, V. E. (Technical University of Moldova, 2012)
    Thin films (1-3 μm thickness) of nanocomposites (NCs) based on organic compounds with Eu3+ ions (Eu(TTA)3H2O, Eu(TTA)3Phen, Eu(DBM)3Phen and Eu(TTA)2(Ph3PO)2NO3) and polymer polyvinylpyrrolidone (PVP) or copolymer ...
  • Luminophore organic nanocomposites on the base of polymer and isothiocianatohalconic compounds 
    VERLAN, V.; ANDRIESH, A.; IOVU, M.; BORDIAN, O.; BUZURNIUC, S.; NISTOR, Yu.; CULEAC, I.; POPUŞOI, A.; DRAGALIN, G.; BARBĂ, N. (Institutul de Fizică Aplicată al AŞM, 2012)
    The paper presents the results of technology for obtaining nanocomposite thin layers (NC) of organic luminophore compounds (OLC), particularly, those prepared by the sol-gel method.
  • Morphology, XRD and EDX study of screen-printed thick films based on SnO2 / Te nanocomposites 
    TSIULYANU, D.; AFANASIEV, A.; MOCREAC, O.; MONAICO, E.; VOLODINA, G. (Institute of Physics NAS Ukraine, 2021)
    Nanocomposites of tellurium and tin dioxide have been synthesized via solvothermal recrystallization of polycrystalline tellurium powder, followed by Te reduction in the presence of a tin chloride solution. Thick (~15 μm) ...
  • Nanocomposites and Polymer Thin Films: from Gas Phase Synthesis to Functional Applications 
    SCHRÖDER, Stefan; VAHL, Alexander; VEZIROGLU, Salih; LUPAN, Oleg; AKTAS, Cenk; STRUNSKUS, Thomas; FAUPEL, Franz (Universitatea Tehnică a Moldovei, 2023)
    Among the functional nanocomposites, our group has focused on highly filled particulate metal-dielectric nanocomposites films due to their unique functional properties with hosts of applications. To explore collective ...
  • Nanolayers of the Au0x0SnO2 nanocomposite synthesized by successive ionic layer deposition method 
    TOLSTOY, V.; GULINA, L.; KOROTCENKOV, G. (Technical University of Moldova, 2005)
    We studied possibilities of SILD (successive ionic layer deposition) technology for depositing nanocomposite Au0xSnO2 nanolayers. This new method of layer deposition is of high interest, because of the method’s simplicity, ...
  • Nanostructured Polymer/CdS Photoluminescent Thin Films 
    IOVU, M.; TIGINYANU, I.; CULEAC, I.; ROBU, S.; NISTOR, Iu.; DRAGALINA, G.; ENACHI, M.; PETRENKO, P. (American Scientific Publishers, 2012)
    We present here experimental results on polymer-based nanocomposite material made of styrene with butyl methacrylate (SBMA) (1:1), isothiocyanato-chalcone (ITCC) and inorganic semiconductor CdS. The concentration of CdS ...

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