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2021: Recent submissions

Now showing items 1-20 of 130

5th International conference on Nanotechnologies and Biomedical Engineering ICNBE-2021. Program and Abstract Book

Technical University of Moldova; Moldavian Society of Biomedical Engineering; SONTEA, Victor; TIGINYANU, Ion; RAILEAN, Serghei (Universitatea Tehnică a Moldovei, 2021)

ICNBME-2021 continues the series of International Conferences in the field of nanotechnologies and biomedical engineering. The conference aims at bringing together scientists and engineers dealing with fundamental and ...
Endowment with Medical Devices and Their Conformity Assessment as Key Elements for Improving Access to High Quality Medical Services

GORCEAG, Gheorghe (Springer, Cham, 2022)

The importance of medical devices in the delivery of high-quality medical services has grown considerably once there was a significant progress of the medical technologies. According to the international experience in the ...
Clinical-Epidemiological Characteristics of Children Hospitalized with COVID - 19 in the Republic of Moldova

BUTA, Galina; COJOCARU, S.; COSTRU, T.; PUIA, R.; ABDUSA-GANEA, D.; UNGUREANU, A. (Springer, Cham, 2022)

Despite the spread of SARS-CoV-2 infection, knowledge of the symptomatology, modalities of transmission, severity and prognosis is limited. Based on the complex analysis of the 701 pediatric cases, from 5 public medical-health ...
Wettability of Highly Conductive ZnO:Ga:Cl CVT Ceramics with Various Ga Content

COLIBABA, G. V.; COSTRIUCOVA, N.; RUSNAC, D.; BUSUIOC, S.; MONAICO, E. V. (Springer, Cham, 2022)

ZnO:Ga:Cl ceramics were sintered using chemical vapor transport technique. Ga content was varied in a range of 0−10 mol %. The wettability of unpolished and polished surface of ZnO:Ga:Cl ceramics was investigated. The ...
GaN Ultrathin Membrane for SERS Detection of Rhodamine B

CIOBANU, Vladimir; PLESCO, I.; BRANISTE, T.; CECCONE, G.; COLPO, P.; TIGINYANU, I. (Springer, Cham, 2022)

In this paper we demonstrate the fabrication of a SERS detector based on GaN ultrathin membrane. The GaN membranes are elaborated by the so-called Surface Charge Lithography approach. The obtained membranes are functionalized ...
Involvement of Contact and Surface Phenomena in Nanolayered Amorphous Te Films for Toxic Gas Detection at Room Temperature

TSIULYANU, Dumitru; MOCREAC, O.; BRANISTE, T. (Springer, Cham, 2022)

A fast responding NO2 sensitive device operating at room temperature has been realized using the nanolayered amorphous Te (a-Te) grown onto insulating wafer of silicon dioxide (SiO2) between Pt contact electrodes with ...
Use of Fractional-Quadratic Approximation Invariant of Nonlinear Characteristic of Magnetoelectric Sensor

PENIN, A.; SIDORENKO, A. (Springer, Cham, 2022)

An idea of a sensor of direct magnetic fields using the magnetoelectric effect in a planar ferromagnetic-piezoelectric composite structure is described. It is shown that introduction in the sensor circuit a negative feedback, ...
Organic Crystals of p - Type TTT2I3 and n - Type TTT(TCNQ)2 as Prospective Thermoelectric Materials for Biomedical Sensors

SANDULEAC, I. I.; ANDRONIC, S. C. (Springer, Cham, 2022)

In this paper, the prospective of using organic nanostructured crystals of p – type TTT2I3 (tetrathiotetracene-iodide) and n – type TTT(TCNQ)2 (tetrathiotetracene-iodide-tetracyanoquinodimethan) as components of thermoelectric ...
Nanotechnology and Nonproliferation

BUZDUGAN, Artur; RAILEAN, S.; BUZDUGAN, Au. (Springer, Cham, 2022)

Nanotechnology has demonstrated performance in top technologies of the 50s-60s of the XX- century such as nuclear, cosmic and other domain. Although the first results were promising, the crucial point for further development ...
Impact of the Covid-19 Pandemic on the Use of Microsoft 365 and Learning Outcomes at the Technical University of Moldova

ȚURCANU, D.; SIMINIUC, Rodica; BOSTAN, V.; ȚURCANU, T. (Springer, Cham, 2022)

Faced with the restrictions imposed by the Covid-19 pandemic, universities, as providers of higher education, have been forced to provide their students exclusively through a digital interface. For this, the institutions ...
Investigation of Dynamical Properties of a Laser with Incorporated DBR Section Under the Influence of External Optical Feedback

GRIGORIEV, Eugeniu; TRONCIU, V. (Springer, Cham, 2022)

We report in this paper the results of theoretical investigations of the dynamical properties of a laser with incorporated Distributed Brag Reflector (DBR) section under the influence of external optical feedback . The ...
Cathodoluminescence and X-Ray Luminescence of ZnIn2S4 and CdGa2S4 Single Crystals

ARAMA, E.; PÎNTEA, V.; SHEMYAKOVA, T. (Springer, Cham, 2022)

Zinc thioindate and gallium thiogallate single crystals were grown by a chemical vapor transport method. The cathodoluminescence and X-ray luminescence spectra of ZnIn2S4 and CdGa2S4 single crystals were studied. From ...
Zinc Oxide and Gallium Nitride Nanoparticles Application in Biomedicine: A Review

COJOCARI, Ștefan; IGNATOV, O.; JIAN, M.; COBZAC, V.; BRANIȘTE, T.; MONAICO, E. V.; TARAN, A.; NACU, V. (Springer, Cham, 2022)

Currently available data have a major impact on widening the applications area of zinc oxide (ZnO) and gallium nitride (GaN) nanoparticles (NPs). Being a new medical domain, nanomedicine shows a spectacular growth of ...
Excitonic States in Brillouin Zone Center of GaSe Layered Crystals

ZALAMAI, Victor V.; TIRON, A. V.; CRISTEA, E.; STAMOV, I. G. (Springer, Cham, 2022)

Optical spectra (absorption and reflection) of GaSe layered crystals were studied at room and low (10 K) temperatures. Contours of measured reflection spectra were fitted by help of dispersion equations. Photoluminescence ...
In Vitro Analysis of Enamel Surfaces with Scanning Electron Microscope After Orthodontic Stripping Reduction Using Various Instruments

ROTARCIUC, D.; ȚURCANU, A.; BUD, E.; MONAICO, Eduard V. (Springer, Cham, 2022)

Orthodontic stripping is used to reduce interproximal enamel tissue to solve aesthetic and occlusal problems. There is a wide variety of stripping instruments available on the market. In this study, a qualitative analysis ...
Low Power Constant Current Driver for Implantable Electrostimulator of the Lower Esophageal Sphincter

VIDIBORSCHII, Vladimir; SONTEA, V.; UNGUREANU, S.; SIPITCO, N.; FOSA, D. (Springer, Cham, 2022)

Tone modulation of lower esophageal sphincters (LES) via electrical stimulation is a novel method of gastroesophageal reflux disease (GERD) treatment. Traditionally for output are commonly used constant current drivers, ...
Highly Conductive ZnO Thin Films Deposited Using CVT Ceramics as Magnetron Targets

COLIBABA, G. V.; RUSNAC, D.; FEDOROV, V.; COSTRIUCOVA, N.; MONAICO, E. V.; POTLOG, T. (Springer, Cham, 2022)

Sintering of ZnO + Me2O3 (Me = Al, Ga, In) powder via chemical vapor transport based on HCl has been developed. The electrical properties of ZnO thin films obtained by DC magnetron sputtering of ZnO ceramic targets have ...
Controlling the Degree of Hydrophilicity/Hydrophobicity of Semiconductor Surfaces via Porosification and Metal Deposition

MONAICO, E. V.; BUSUIOC, S.; TIGINYANU, I. M. (Springer, Cham, 2022)

In this paper we present a systematic study of bulk GaAs wafers and gold-decorated GaAs surfaces exhibiting hydrophilic and hydrophobic behaviors. The wetting properties can be switched to superhydrophilicity and ...
Relaxation Parameters of Cu/substrate Type Coated Systems Under Nanoindentation

GRABCO, D.; PYRTSAC, C.; SHIKIMAKA, O. (Springer, Cham, 2022)

In this work, we studied the relaxation parameters, he-p and hres, of three composite structures Cu/LiF, Cu/MgO, and Cu/Si, which have different types of a chemical bond between the substrates (ionic (LiF), ionic-covalent ...
Aerosol Spray Deposited Wurtzite ZnMgO Alloy Films with MgO Nanocrystalline Inclusions

MORARI, Vadim; RUSU, E. V.; URSAKI, V. V.; NIELSCH, K.; TIGINYANU, I. M. (Springer, Cham, 2022)

In this paper Zn1-xMgxO thin films with composition range x = 0.00–0.80 have been obtained by aerosol spray deposition method on p-Si substrates by using zinc acetate and magnesium acetate as precursors. The produced thin ...

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