Browsing 2019 by Title

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  • Medical Devices Regulations, Management and Assessment; New Trends new Needs 
    PALLIKARAKIS, Nicolas (Tehnica UTM, 2019)
    In the accelerated way that Medical Devices (MDs) are developed and revolutionize health care delivery during the last decades, Regulation, Management and Assessment of Health Technology are of paramount importance. This ...
  • Method for Performance Evaluation of Electrostimulation of the Lower Esophageal Sphincter 
    SONTEA, V.; UNGUREANU, S.; SIPITCO, N.; FOSA, D.; VIDIBORSCHII, V. (Tehnica UTM, 2019)
    Recognized world experience could confirm, that gastroesophageal reflux disease (GERD) is one of the most common gastroenterological diseases. In many cases conservative treatment is not efficient, that could lead to severe ...
  • Microelectronic Pyroelectric Measuring Transducers 
    SEMENOV, A. O.; BARABAN, S. V.; OSADCHUK, O. V.; SEMENOVA, O. O.; KOVAL, K. O.; SAVYTSKYI, A. Yu. (Tehnica UTM, 2019)
    The basic pyroelectric structures and circuits of measuring transducers on their basis are given. The prospect of the use of thin pyroelectric films for the development and design of microelectronic pyroelectric measuring ...
  • Micromechanical Properties and Plastic Deformation Features of the Pb1-xYbxTe Ternary Semiconductors 
    GRABCO, D. Z.; NICORICI, V. Z.; BARBOS, Z. A.; TOPAL, D.; SHIKIMAKA, O. A. (Tehnica UTM, 2019)
    In this paper, the effect of ytterbium (Yb) impurity on the microstructure, the specificity of plastic deformation and the strength properties of PbTe crystals has been studied. The researches have been conducted on a PMT-3 ...
  • Mimicking Brain Activities: Artificial Synapses and Learning Using GaN Membranes 
    DRAGOMAN, L.; DINESCU, A.; DRAGOMAN, D.; BRANISTE, T.; CIOBANU, V.; TIGINYANU, I. (Tehnica UTM, 2019)
    We show experimentally that ultrathin GaN membranes, having the thickness of 15 nm and planar dimensions of 12 184 m2, are acting as memristive devices which are the anologue of brain sysnapses. The memristive behavior ...
  • Mode of Artemisinins’ Action on Oxidative Stress, Genomic and G-quadruplex DNA 
    GINOSYAN, S. G.; CHILINGARYAN, G. V.; GRABSKI, H. V.; GHULIKYAN, L. A.; AYVAZYAN, N. M.; TIRATSUYAN, S. G. (Tehnica UTM, 2019)
    The present study was conducted to evaluate the effect of artemisinins’ on the level of lipid peroxidation (LPO), spontaneous chemiluminescence of the S-180 sarcoma homogenate and to study the nature of the interaction ...
  • Modeling of Charge Transfer Induced Spin Transition in a Linear {FeCoFe} Complex 
    OSTROVSKY, S. M.; KLOKISHNER, S. I. (Tehnica UTM, 2019)
    The magnetic behavior of the {[FeTp(CN)3]2Co(Meim)4} • 6H2O compound is examined. Since the observed charge transfer induced spin transition in this compound is accompanied by electronic density redistribution, the theoretical ...
  • Modeling of the Valence Tautomeric Transformation in Heterometallic [Cr-dhbq-Co] Molecules 
    ROMAN, M. A.; KLOKISHNER, S. I. (Tehnica UTM, 2019)
    In the present communication we report a model that describes the valence tautomeric transformation in a crystal consisting of heterometallic [Cr-dhbq-Co] molecules. The model takes into account the states arising from two ...
  • Molecular Docking of Compounds Modulating Amyloid Peptide Aggregation Schemes 
    GINOSYAN, S.; HAMBARDZUMYAN, Y.; MKRTCHYAN, T.; GRABSKI, H.; TIRATSUYAN, S. (Tehnica UTM, 2019)
    This work is dedicated to in silico studies of the interaction of artemisinin, dihydroartemisinin, dihydroartemisinin dimer with amyloid 12Аβ9-40 peptide and β- secretase.
  • Mössbauer Effect in 57Fe-doped Gallium Antimonide 
    MIHALACHE, A. (Tehnica UTM, 2019)
    The work offers for discussion the results of investigations of absorption spectra (gamma-ray nuclear resonance) of gallium antimonide doped with 57Fe isotope in the concentration range of the atomic mass of 1–3%, within ...
  • Multifocal Repetitive Transcranial Magnetic Stimulation – a Novel Paradigm in Migraine Treatment 
    LEAHU, P.; GROPPA, S. A.; BANGE, M.; SCHEITER, S.; CIOLAC, D.; CHIRUMAMILLA, V. C.; MUTHURAMAN, M.; GROPPA, S. (Tehnica UTM, 2019)
    Transcranial Magnetic Stimulation (TMS) is a non-invasive brain stimulation method used for analyzing structural and functional interactions in brain, assess cortical reactivity, and map functionally relevant brain regions ...
  • Nanosensors: Current Status and Perspectives 
    LUPAN, O. I.; CHOW, L.; ADELUNG, R. (Tehnica UTM, 2019)
    Nanosensors play a great role in the world of nanotechnology and are demanded nowadays due to miniaturization of electronic devices in many countries for development of faster portable diagnostics techniques or sensing ...
  • Nanostructured Organic Crystals as Prospective Thermoelectric Materials for Infrared Sensor 
    SANDULEAC, I. I.; ANDRONIC, S. C.; CASIAN, A. I. (Tehnica UTM, 2019)
    In this paper we investigate the prospective of use of some nanostructured organic crystals as efficient thermoelectric material for infrared biosensors. Nowadays, the infrared sensors are widely implemented in thermal ...
  • Nanotechnological Aspects at Electro-activation of Secondary Dairy Products 
    VRABIE, E. G.; BOLOGA, M. K.; PALADII, I. V.; VRABIE, V. G.; POLICARPOV, A.; GONCIARUC, V.; SPRINCEAN, C. Gh.; STEPURINA, T. (Tehnica UTM, 2019)
    The study of the electro-activation processing of whey, with the recovery of the PMCs and simultaneous isomerization of lactose into lactulose, reveals the necessity of certain technical requirements in order to ensure ...
  • National Nuclear Security Support Centre and Non- Proliferation of Weapon of Mass Destruction 
    BUZDUGAN, Ar.; ȚURCANU, A. (Tehnica UTM, 2019)
    The paper reviews the need of customs control for dual-use goods and services, including those that belong to medicine, pharmaceuticals, and micro-nanoelectronics. In this regard, a project is ongoing in the Republic of ...
  • Near-edge Optical Properties of Layered Tin Sulfide (Selenide) Crystals 
    ZALAMAI, V. V.; TIRON, A. V.; RUSU, E. V.; MONAICO, E. V.; SYRBU, N. N. (Tehnica UTM, 2019)
    Absorption (K), reflection (R) and wavelength modulated transmission (ΔT/Δλ) spectra in SnS, SnS2 and SnSe crystals were investigated in temperature range from 300 to 10 K. Excitonic states were discovered in all investigated ...
  • New Areas of Research and Applications for GaN 
    TIGINYANU, Ion (Tehnica UTM, 2019)
    Gallium nitride, a wide-bandgap semiconductor compound (Eg = 3.4 eV at 300 K), has in the last two decades registered a fascinating increase in the crystalline quality of epitaxial layers determining its leading role in ...
  • A Novel Nanocomposite (SR/HA/-nZnO) Material for Medical Application 
    MAJDI, H. Sh.; SAUD, A. N.; Al-MAMOORI, M. H. (Tehnica UTM, 2019)
    In this work, hydroxyapatite synthesized by sol-gel technique. Ca(NO3)2.4H2O and (NH4)2HPO4 used as precursors, and nano ZnO was prepared and modify the surface using Oleic acid to get uniform distribution Within the matrix ...
  • Optical Activity in Mn Doped As2S3 Glasses 
    ZALAMAI, V. V.; TIRON, A. V.; IOVU, M. S.; SYRBU, N. N. (Tehnica UTM, 2019)
    Spectral dependences of transmittance (T) and wavelength modulated transmittance (ΔT/Δλ) of As2S3 layers doped by manganese (Mn) of different concentrations (0–0.5%) were investigated at temperatures from 10 to 300 K. ...
  • An Optimal Path Planning Proposal for Motion Robots with Specific Constraints Applicable in Biomedical Engineering 
    CORCIOVĂ, C.; TURNEA, M.; GHEORGHIŢĂ, A.; AROTĂRIŢEI, D. (Tehnica UTM, 2019)
    Optimal path planning for motion robots is an interesting research subject with many applications in various domains including biomedical applications when a mobile robot can distribute medication for patients. A fuzzy ...

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