Browsing by Subject "nanomaterials"

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  • Aero-Ga2O3 Nanomaterial Electromagnetically Transparent from Microwaves to Terahertz for Internet of Things Applications 
    BRANISTE, Tudor; DRAGOMAN, Mircea; ZHUKOV, Sergey; ALDRIGO, Martino; CIOBANU, Vladimir; IORDANESCU, Sergiu; ALYABYEVA, Liudmila; FUMAGALLI, Francesco; CECCONE, Giacomo; RAEVSCHI, Simion; SCHÜTT, Fabian; ADELUNG, Rainer; COLPO, Pascal; GORSHUNOV, Boris; TIGINYANU, Ion (MDPI (Basel, Switzerland), 2020)
    In this paper, fabrication of a new material is reported, the so-called Aero-Ga2O3 or Aerogallox, which represents an ultra-porous and ultra-lightweight three-dimensional architecture made from interconnected microtubes ...
  • Al-Doped ZnO Nanowires by Electrochemical Deposition for Selective VOC Nanosensor and Nanophotodetector 
    PAUPORTÉ, Thierry; LUPAN, Oleg; POSTICA, Vasile; HOPPE, Mathias; CHOW, Lee; ADELUNG, Rainer (WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim, 2018)
    Nanomaterials for new nanosensor systems with selective detection of hazardous volatile organic compounds (VOCs) vapors are of great demand nowadays. In this paper, the use in nanosensors of electrochemically deposited ...
  • Cathodoluminescence of TiO2 nanotubes prepared by low-temperature anodization of Ti foils 
    ENACHI, Mihai; STEVENS-KALCEFF, Marion; TIGINYANU, Ion; URSAKI, Veaceslav (ELSEVIER, 2010)
    We show that anodization of Ti sheets in an ethylene glycol and HF containing electrolyte at temperatures under 0°C results in the formation of a self-arranged ordered porous structure at the top surface of the sample. ...
  • Chronic Toxicity of Silver Nanoparticles 
    PAVLOVSCHI, I.; GONCEAR, V.; SCUTARI, C. (Tehnica UTM, 2015)
    The unique physical and chemical properties of silver nanoparticles make them excellent candidates for a variety of purposes in various fields, but the rhythm of using nanoscale materials is rapidly growing and possible ...
  • Collagen - Isolation and Perspectives of Application of Nature Nanomaterials 
    MOCAN, Elena; TAGADIUC, Olga; REVENCU, Tatiana; NACU, Viorel (Technical University of Moldova, 2011)
    Through the extreme diversity of tissues and types of collagen it is difficult to develop a standard method of extraction for all types of collagen from different tissues. Two procedures based on acid- and enzymatic-soluble ...
  • Doparea oxidului de cupru pentru aplicaţii senzoriale 
    ABABII, N.; POSTICA, V.; CREŢU, V.; RAILEAN, S.; ŞONTEA, V.; LUPAN, O.; MONAICO, E. (Technical University of Moldova, 2015)
    Nanostructured Al- and Ag-doped films were deposited by synthesis from aqueous chemical solutions SCS. It was demonstrated change in selectivity of sensors based on the doped films. For Ag-doped films has been obtained ...
  • Efectele co-dopării și tratamentului de lungă durată asupra proprietăților peliculelor din oxid de cupru 
    ABABII, N.; MAGARIU, N.; ȘONTEA, V.; TROFIM, V.; CREŢU, V.; RAILEAN, S.; LUPAN, O. (Tehnica UTM, 2018)
    Nanostructured films of copper oxide co-doped with Ag and Ni were deposited by synthesis from aqueous chemical solutions SCS. Effects of rapid and long term thermal treatments on morphological and structural properties has ...
  • Electromagnetic interference shielding in X-band with aero-GaN 
    DRAGOMAN, Mircea; BRANISTE, Tudor; IORDANESCU, Sergiu; ALDRIGO, Martino; RAEVSCHI, Simion; SHREE, Sindu; ADELUNG, Rainer; TIGINYANU, Ion (IOP Publishing, 2019)
    We investigate the electromagnetic shielding properties of an ultra-porous lightweight nanomaterial named aerogalnite (aero-GaN). Aero-GaN is made up of randomly arranged hollow GaN microtetrapods, which are obtained by ...
  • Exceptional integration of metal or semimetal nanowires in human-hair-like glass fiber 
    BADINTER, E.; IOISHER, A.; MONAICO, E.; POSTOLACHE, V.; TIGINYANU, I. M. (ELSEVIER, 2010)
    We report on a technological route allowing one to integrate huge amounts of electrically isolated metal or semimetal (Pb/Sn alloys and Bi) nanowires in glass fibers with the diameter of up to a few hundreds of micrometers ...
  • Exploiting the versatility of nanostructured transistors for biosensing applications 
    IBARLUCEA, B. (Tehnica UTM, 2019)
    Rapid demographic changes demand improved biomedical diagnostic technologies with rapidness, low cost and high-throughput, without sacrificing the sensitivity. Considering the miniature size, scalability of fabrication, ...
  • Fabrication and Application of TEM-compatible Sample Grids for ex situ Electrical Probing 
    GRONENBERG, O.; CARSTENS, N.; VAHL, A.; FAUPEL, F.; KIENLE, L. (Tehnica UTM, 2019)
    Memristors are promising candidates for new memory technologies and are capable to mimic neural networks. The switching in memristive devices occurs typically in few nanometer thin oxide layers. The direct observation of ...
  • The Generalization of Scientific and Educational Materials on Nanoelectronics 
    SPIVAK, V. M.; VLASIUK, A. G.; TIRSU, M. S. (Tehnica UTM, 2015)
    Summarizes the scientific and educational materials on nanoelectronics, as reflected in monographs and textbooks on the basis of copyright, the most significant results of research and compilation of the most important ...
  • Highly selective and ultra-low power consumption metal oxide based hydrogen gas sensor employing graphene oxide as molecular sieve 
    RASCH, Florian; POSTICA, Vasile; SCHÜTT, Fabian; MISHRA, Yogendra Kumar; NIA, Ali Shaygan; LOHE, Martin R.; FENG, Xinliang; ADELUNG, Rainer; LUPAN, Oleg (ELSEVIER, 2020)
    The excellent gas sensing performance of metal oxide based nano- and microstructures, including a fast response time and good sensitivity, is typically limited by their low selectivity. Therefore, novel approaches and ...
  • Homogenization of the nanomodified concrete mixture in the magneto fluidized layer 
    GONCIARUC, V. P.; BOLOGA, M. K.; RUSU, I. V.; POLICARPOV, A. A.; VRABIE, E. Gh.; SPINU, V. V. (Institutul de Fizică Aplicată, AŞM, 2018)
    Recently, nanotechnologies are beginning to be widely used in construction, which are aimed primarily at improving the quality of mineral binders and, above all, Portland cement. Two directions are observed: the first ...
  • Influence of Double Feedback on Stationary States of Quantum Dots Lasers 
    POSTICA, Vasile; SCHÜTT, F.; LUPAN, C.; KRÜGER, H.; ADELUNG, R.; LUPAN, O. (Springer, Cham, 2022)
    In this work, the individual hexagonal boron nitride (h-BN) microtubular structures with different diameter (ranging from ≈0.2 to ≈2.5 μm) and a wall thickness below 25 nm were investigated for the first time by integration ...
  • Influence of gold and silver nanoparticles on the synthesis of phycobiliproteins in red microalga Porphyridium cruentum 
    RUDI, L.; CHIRIAC, T.; CEPOI, L.; VALUTA, A.; DJUR, S.; MISCU, V.; CODREANU, S.; TASCA, V.; ROTARI, M. (Institute of Microbiology and Biotechnology, Republic of Moldova, 2022)
    The biological properties of nanoparticles are determined by their size, shape, and surface characteristics. The study of the effect of nanoparticles on microalgae as biotechnological objects is one of the topical areas ...
  • Nanomateriale și heterojoncțiuni non-planare în bază de oxizi semiconductori 
    ABABII, Nicolai (Universitatea Tehnică a Moldovei, 2022)
    Scopul lucrării: constă în obținerea nanomaterialelor, heterojoncțiunilor și heterostructurilor non-planare în bază de oxizi semiconductori, CuO/Cu2O, TiO2/CuO/Cu2O, Fe2O3 - CuO/Cu2O, CuO-Cu2O/ZnO:Al și Al2O3/CuO, prin ...
  • Nanoprodusele în sectorul construcţiilor capitale 
    BOBRIȚCHI, Sorin; BOȚAN, Ana; ALBU, Ion (Tehnica UTM, 2015)
    Awareness of various factors in the construction industry on the availability and performance of nanomaterials is very limited. Thus, in terms of the continuous development of society, we believe that this issue is present ...
  • Nanoremediation technology of contaminated soil with residual pesticedes 
    SIDORENKO, Anatoli; GUTSUL, Tatiana; FEDOROV, Vladimir (Romanian Inventors Forum, 2020)
    We observed that in Republic of Moldova new purification methods of water and soil applying nanomaterials are not used. In this context, it is necessary to transfer new synthesized materials and usage technologies to ...
  • Nanoremediation technology of contaminated soil with residual pesticides 
    SIDORENKO, Anatoli; GUTSUL, Tatiana; FEDOROV, Vladimir (Technical University "Gheorghe Asachi" of Iași, 2020)
    Este cunoscut faptul că în Republica Moldova nu sunt utilizate metode noi de purificare a apei și solului cu utilizarea nanomaterialelor. În acest context, este necesar să transferăm noi materiale de sinteză ...

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