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Research Article | 15-February-2020

Effect of TiO2 nano-overlays deposited with atomic layer deposition on refractive index sensitivity of long-period gratings

This paper we discusses an effect of coating longperiod gratings (LPGs) with a thin titanium dioxide (TiO2) overlays on refractive index (RI) sensitivity of the LPG. The overlays have been obtained using atomic layer deposition (ALD) method. The method allows for deposition well-controlled in thickness, well defined in optical properties, high-RI and very conformal thin films as required for optical fiber sensors. For the investigated LPGs we obtained sensitivity of 3490 to 6471 nm per RI unit

Krzysztof Krogulski, Mateusz Śmietana, Bartosz Michalak, Anna K. Dębowska, Łukasz Wachnicki, Sylwia Gierałtowska, Marek Godlewski, Magdalena Szymańska, Predrag Mikulic, Wojtek J. Bock

International Journal on Smart Sensing and Intelligent Systems, Volume 7 , ISSUE 5, 1–5

research-article | 18-December-2020

The use of high-frequency ultrasonography for the diagnosis of palpable nodules after the administration of dermal fillers

folds, orbital rim, forehead, marionette lines and nose. The most common symptoms are in these cases edema, palpable nodules and pain(3,4). These symptoms are unfortunately non-specific for a given cause. Some complications, for example intra-arterial administration or vascular compression by filler deposition, skin necrosis, inflammation or blindness, are severe and may cause deformities and permanent esthetic defects. The available recommendations concerning the management of dermal filler-related

Robert Krzysztof Mlosek, Bartosz Migda, Ewa Skrzypek, Katarzyna Słoboda, Michał Migda

Journal of Ultrasonography, Volume 20 , ISSUE 83, 248–253

Article | 20-July-2021

Local orthodontic force initiates widespread remodelling of the maxillary alveolar bone

regions of interest (ROIs), which were further divided into a cervical and an apical level. Sequential fluorochrome labelling was performed to analyse bone deposition rates. Results: The maxillary left first molars were moved mesially. TRAP staining and IHC staining for CTSK showed orthodontic force increased osteoclast numbers in all six ROIs at both the cervical and apical levels. H and E staining indicated elevated osteoblast numbers in the OTM group in all induced regions. Sequential fluorochrome

Xinyi Gong, Xiangru Huang, Yiling Yang, Siru Zhou, Qinggang Dai, Lingyong Jiang

Australasian Orthodontic Journal, Volume 36 , ISSUE 2, 175–183

research-article | 26-March-2021

Aminoguanidine ameliorates ovariectomy-induced neuronal deficits in rats by inhibiting AGE-mediated Aβ production

included the deposition of beta-amyloid (Aβ), forming senile plaques and neurofibrillary tangles, disrupting synaptic plasticity and causing neuronal loss (Chen, 2018). Recently, growing evidence has suggested that advanced glycation end products (AGEs) participate in the pathological processes of AD, including neurotoxicity and the aggregation of Aβ (Lubitz et al., 2016). AGEs are formed by the Maillard reaction and have been regarded as a primary source of neurotoxicity in Alzheimer’s disease, which

Dan Di Zhang, Yan Gang Wang, Chun Yan Liu, Ze Hou Wang, Yue Fen Wang

Acta Neurobiologiae Experimentalis, Volume 81 , ISSUE 1, 10–20

Research Article | 13-December-2017

NANOSENSORS ENGINEERING:I. STRUCTURALLY MODULATED SnO2 NANOWIRES

The results of research aimed at the gas sensing nanowires (NWs) engineering are presented. Structurally modulated SnO2 NWs were obtained at 900oС in the modified vapor-solid process, allowing that NW morphology could be encoded in a programmable way along its length. PVD technique was used for Ti/Au electrical contacts deposition and gas sensitive nanoscale chemiresistors formation. Created nanostructures were characterized for their gas sensing performance. It was established that

S. Dmitriev

International Journal on Smart Sensing and Intelligent Systems, Volume 3 , ISSUE 4, 643–654

research-paper | 18-June-2021

Ultrasound evaluation of the scapholunate ligament and scapholunate joint space in patients with wrist complaints in a rheumatologic setting

the wrist(5). Both calcium pyrophosphate dihydrates (CPPD) crystal deposition disease (CPDD) arthropathy and rheumatoid arthritis (RA) are rheumatologic conditions associated with wrist instability and SLAC(6–9). In case of nontraumatic wrist pain, and especially in the suspicion of rheumatologic diseases, the evaluation of internal wrist derangement is often neglected, as the majority of clinical and imaging studies are focused on synovitis(10). Moreover, even if ultrasound (US) and power Doppler

Paolo Falsetti, Edoardo Conticini, Caterina Baldi, Marco Bardelli, Suhel Gabriele Al Khayyat, Roberto D’Alessandro, Luca Cantarini, Bruno Frediani

Journal of Ultrasonography, Volume 21 , ISSUE 85, e105–e111

Research Article | 13-December-2017

HIGH SENSITIVITY METHANE SENSOR BY CHEMICALLY DEPOSITED NANOCRYSTALLINE ZNO THIN FILM

Nanocrystalline n-ZnO thin films were deposited on SiO2-coated (0.45 μm) p type Si substrates (10-20Ω-cm) by a low cost chemical deposition technique to fabricate ZnO-based resistive sensors for methane detection. The nanocrystalline ZnO needle like structures were grown on RCA cleaned p-Si substrates by successive immersion (100-200 times) into a Sodium Zincate bath (0.125M) kept at room temperature and DI water maintained at 90 oC . The Sodium Zincate was prepared by reacting Zinc Sulphate

Sunipa Roy, H. Saha, C. K. Sarkar

International Journal on Smart Sensing and Intelligent Systems, Volume 3 , ISSUE 4, 605–620

research-article | 30-November-2019

Study on the suitability of ZnO thin film for dynamic pressure sensing application

; Salah et al., 2015), spray pyrolysis (Jayaraman et al., 2015; Mariappan et al., 2014; Rao and Santhoshkumar, 2009), metal organic chemical vapor deposition (MOCVD) (Deschanvres et al., 1992; Shi et al., 2012; Su et al., 2011; Gorla et al., 1999), plasma enhanced atomic layer deposition (PEALD) (Gong and Jackson, 2017), pulsed laser deposition (Shim et al., 2002) are widely used for the preparation of ZnO thin film. Among these, sputtering has a faster deposition rate, better adhesion to substrate

Suma M. N., Venkateswarlu Gaddam, M. V. N. Prasad, M. M. Nayak, K. Rajanna

International Journal on Smart Sensing and Intelligent Systems, Volume 13 , ISSUE 1, 1–9

Research Article | 15-February-2020

Fabrication of gold nanopillars on gold interdigitated impedance electrodes for biological applications

Gold nanopillars have been successfully fabricated on top of interdigitated gold electrodes deposited on a Pyrex substrate and these were used for cytotoxicity monitoring on immortalized cells through the electrochemical impedance spectroscopy technique. These nanopillars were fabricated via contact metal deposition. E-beam lithography was used to define the pattern of nanopillars with dimensions of 150nm diameter and 500nm of distance between their edges in a honeycomb-like structure. These

Walter Messina, Michelle Fitzgerald, Una Crowley, Eric Moore

International Journal on Smart Sensing and Intelligent Systems, Volume 7 , ISSUE 5, 1–7

Research Article | 13-December-2017

A NOVEL METHOD FOR THE IMPROVEMENT IN THERMOELECTRIC PROPERTY OF TIN OXIDE THIN FILMS AND ITS APPLICATION IN GAS SENSING

Tin oxide thin film deposited on to glass substrates by the process of DC reactive magnetron sputtering has been used in our work. These films were characterized for their thermoelectric behavior. Further, a novel method has been developed to enhance the Seebeck coefficient of these films. Prior to the oxide film deposition on the glass substrate, thin metal films have been deposited at the two ends of the sample. High conductivity metals such as chromium, silver and copper were used for this

Anuradha S, K. Rajanna

International Journal on Smart Sensing and Intelligent Systems, Volume 1 , ISSUE 2, 498–511

Research Article | 15-February-2020

Thickness Measurement of Aluminum Thin Film using Dispersion Characteristic  of Surface Acoustic Wave

In this study, we suggest a method to measure the thickness of thin films nondestructively using the dispersion characteristics of a surface acoustic wave propagating along the thin film surface. To measure the thickness of thin films, we deposited thin films with different thicknesses with range of 200~1000 nm on a Si(100) wafer by controlling the deposition time by DC sputtering technique. The thickness of the thin films was measured using a scanning electron microscope. Subsequently, the

Ik Keun Park, Tae Sung Park

International Journal on Smart Sensing and Intelligent Systems, Volume 7 , ISSUE 5, 1–4

Article | 03-November-2017

TOWARDS A NEW GAS SENSOR MICROSYSTEM USING ELECTROACTIVE POLYMERS THIN FILMS

This paper describes the development of a new gas sensor device using some electroactive polymers in thin layers. The poly(fluoro-aluminium phthalocyanine) powder, (AlPcF)n, has been synthesized, then deposited by vacuum evaporation on alumina or silicon substrates in the form of thin films with control of the deposition rate. (AlPcF)n thin layers are doped by NO2 or O2 diluted at various concentrations in N2 and their conductivity variations are studied as a function of time, temperature and

Allal LARBI, Bachir DJEDOU, Layachi BENNACER, Mounir BOUSBIA-SALAH

International Journal on Smart Sensing and Intelligent Systems, Volume 2 , ISSUE 3, 448–462

Article | 01-June-2015

A COMPARATIVE STUDY IN THE SENSITIVITY OF OPTICAL FIBER REFRACTOMETERS BASED ON THE INCORPORATION OF GOLD NANOPARTICLES INTO LAYERBY-  LAYER FILMS

In this work, optical fiber refractometers based on the successive incorporation of gold nanoparticles have been fabricated by means of the Layer-by-Layer Embedding (LbL-E) deposition technique. This enables the apparition of two different optical phenomena, Localized Surface Plasmon Resonance (LSPR) and Lossy Mode Resonance (LMR). The absorption peaks related to both phenomena were captured during the fabrication process, showing a different evolution as a function of the resultant thickness

Pedro J. Rivero, Miguel Hernaez, Javier Goicoechea, Ignacio R. Matías, Francisco J. Arregui

International Journal on Smart Sensing and Intelligent Systems, Volume 8 , ISSUE 2, 822–841

Research Article | 15-February-2020

Annealing Effect on the Structural and Optical properties of SiOx films deposited by HFCVD

Non-stoichiometric silicon oxide (SiOx) with embedded Si nanoparticles (Si-nps) shows novel physical characteristic, which permits its use in optoelectronic devices as photodetectors and light emitters. In this work, a detailed analysis of the structural and optical properties of silicon rich oxide films deposited via hot filament chemical vapor deposition is done. SiOx films with different Si content were obtained at different hydrogen flow. FTIR spectra show vibrational bands related to the

J. A. Luna López, A. Benítez Lara, G. García Salgado, D. Hernández de la Luz, M. Pacio, A. Morales Sanchez, S. A. Perez Garcia

International Journal on Smart Sensing and Intelligent Systems, Volume 7 , ISSUE 5, 1–6

research-article | 08-July-2020

The inhibitory effects of bile acids on catalytic and non-catalytic functions of acetylcholinesterase as a therapeutic target in Alzheimer’s disease

INTRODUCTION Alzheimer’s disease (AD) is a progressive dementia, hallmarked by amyloid plaque deposition and characterized by memory loss and cognitive dysfunction (Dong et al., 2012). Cumulative evidence strongly supports that decreased acetylcholine (ACh) neurotransmitter, as a result of acetylcholinesterase (AChE) hyperactivation, plays an important role in the occurrence and development of neurological disorders related to AD in patients and animal models (Anand and Singh, 2013). Therefore

Leila Sadeghi, Reza Yekta, Gholamreza Dehghan

Acta Neurobiologiae Experimentalis, Volume 80 , ISSUE 2, 108–116

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