Search Results - "Hristoforou, Evangelos"

Advanced Non-Destructive Testing in Steels by Hristoforou, Evangelos

“…The quality of steel and its corresponding products depends on the distribution and level of stress on the steel's volume and surface, since the stress…”
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Hydrogen production through water splitting at low temperature over Fe3O4 pellet: Effects of electric power, magnetic field, and temperature by Karatza, Despina, Konstantopoulos, Christos, Chianese, Simeone, Diplas, Spyros, Svec, Peter, Hristoforou, Evangelos, Musmarra, Dino

“…This paper aims to propose an innovative breakthrough methodology for hydrogen production through water splitting over Fe3O4 pellet at low temperature…”
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Extraction of astaxanthin from microalga Haematococcus pluvialis in red phase by using generally recognized as safe solvents and accelerated extraction by Molino, Antonio, Rimauro, Juri, Casella, Patrizia, Cerbone, Antonietta, Larocca, Vincenzo, Chianese, Simeone, Karatza, Despina, Mehariya, Sanjeet, Ferraro, Angelo, Hristoforou, Evangelos, Musmarra, Dino

“…•Astaxanthin extraction by using Accelerated solvent extraction technology.•Extraction of bio-products from microalgae.•Effect of pretreatment on the yield…”
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Residual Stress Distribution Monitoring and Rehabilitation in Ferromagnetic Steel Rods by Liang, Kaiming, Angelopoulos, Spyridon, Ktena, Aphrodite, Bi, Xiaofang, Hristoforou, Evangelos

“…Different means of residual stress distribution monitoring in magnetic rods are illustrated in this paper, through measurements of permeability, magnetoelastic…”
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Graphitic Carbon Nitride (g-C3N4) in Photocatalytic Hydrogen Production: Critical Overview and Recent Advances by Kyriakos, Periklis, Hristoforou, Evangelos, Belessiotis, George V.

“…Graphitic carbon Nitride (g-C3N4) is one of the most utilized graphitic materials in hydrogen (H2) production via photocatalytic water splitting. Thus, a…”
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Effect of Graphene Oxide Addition on the Anticorrosion Properties of the Phosphate Coatings in Neutral and Acidic Aqueous Media by Bautin, Vasily, Bardin, Ilya, Kvaratskheliya, Askar, Yashchuk, Sergey, Hristoforou, Evangelos

“…Graphene oxide (GO) is an advanced additive improving the properties of various types of coatings and intensifying the deposition process. In this work, GO is…”
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Design of Container Ship Main Engine Waste Heat Recovery Supercritical CO2 Cycles, Optimum Cycle Selection through Thermo-Economic Optimization with Genetic Algorithm and Its Exergo-Economic and Exergo-Environmental Analysis by Vallis, Athanasios G., Zannis, Theodoros C., Hristoforou, Evangelos V., Yfantis, Elias A., Pariotis, Efthimios G., Hountalas, Dimitrios T., Katsanis, John S.

“…In the present study, energy and exergy analyses of a simple supercritical, a split supercritical and a cascade supercritical CO2 cycle are conducted. The…”
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Advancements in SARS-CoV-2 Testing: Enhancing Accessibility through Machine Learning-Enhanced Biosensors by Georgas, Antonios, Georgas, Konstantinos, Hristoforou, Evangelos

“…The COVID-19 pandemic highlighted the importance of widespread testing for SARS-CoV-2, leading to the development of various new testing methods. However,…”
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On the use of differential permeability and magnetic Barkhausen Noise Measurements for Magnetic NDT Applications by Ktena, Aphrodite, Hasicic, Mehrija, Landgraf, Fernando J.G., Moudilou, Eleni, Angelopoulos, Spyridon, Hristoforou, Evangelos

“…•Differential permeability vs magnetic Barkhausen Noise measurements for various grain sizes and plastic deformation levels.•The effect of stress on magnetic…”
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Packaging and Optimization of a Capacitive Biosensor and Its Readout Circuit by Georgas, Antonios, Nestoras, Lampros, Kanaris, Aris Ioannis, Angelopoulos, Spyridon, Ferraro, Angelo, Hristoforou, Evangelos

“…In pipeline production, there is a considerable distance between the moment when the operation principle of a biosensor will be verified in the laboratory…”
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Revisiting the universality law in magnetically detected residual stresses in steels by Mangiorou, Eleni, Damatopoulou, Tatiana V., Angelopoulos, Spyridon, Kalkanis, Konstantinos, Vourna, Polyxeni, Ktena, Aphrodite, Hristoforou, Evangelos

“…The dependence of residual stresses on differential permeability, determining the so called Magnetic Stress Calibration (MASC) curve, results in the Universal…”
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Sensor to Monitor Localized Stresses on Steel Surfaces Using the Magnetostrictive Delay Line Technique by Liang, Kaiming, Angelopoulos, Spyridon, Lepipas, Georgios, Tsarabaris, Panagiotis, Ktena, Aphrodite, Bi, Xiaofang, Hristoforou, Evangelos

“…In this paper, a new type of force sensor is presented, able to monitor localized residual stresses on steel surfaces. The principle of operation of the…”
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Incorporation of Magnetic Nanoparticles into Protoplasts of Microalgae Haematococcus pluvialis : A Tool for Biotechnological Applications by Savvidou, Maria G, Ferraro, Angelo, Hristoforou, Evangelos, Mamma, Diomi, Kekos, Dimitris, Kolisis, Fragiskos N

“…Intensive research on the use of magnetic nanoparticles for biotechnological applications of microalgae biomass guided the development of proper treatment to…”
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Magnetic Harvester for an Autonomous Steel Health Monitoring System Based on Hall Effect Measurements by Pattakos, Polychronis, Angelopoulos, Spyridon, Katsoulas, Angelos, Ktena, Aphrodite, Hristoforou, Evangelos

“…In this article, the construction and experimental behavior of an Internet of Things (IoT)-compatible steel health monitoring system are examined. Falling…”
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A Study on Magnetic Removal of Hexavalent Chromium from Aqueous Solutions Using Magnetite/Zeolite-X Composite Particles as Adsorbing Material by Kouli, Maria-Elisavet, Banis, George, Savvidou, Maria G, Ferraro, Angelo, Hristoforou, Evangelos

“…Toxic and heavy metals are considered harmful derivatives of industrial activities; they are not biodegradable and their accumulation in living organisms can…”
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Influence of ZnO (Nano)Rods on the Dielectric Properties of DGEBF Epoxy Exposed to Progressive Artificial Weathering for VHF/Early UHF Applications by Papalampris, Georgios, Georgiou, Pantelitsa, Argyropoulos, Theodore, Hristoforou, Evangelos, Vassiliou, Panayota

“…An as-produced epoxy material reinforced with ZnO (nano)rods for outdoor use was produced for the purpose of enclosing VHF/early UHF transceiving elements…”
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On the Power Lines—Electromagnetic Shielding Using Magnetic Steel Laminates by Damatopoulou, Tatiana, Angelopoulos, Spyros, Christodoulou, Christos, Gonos, Ioannis, Hristoforou, Evangelos, Kladas, Antonios

“…Protection against the electromagnetic fields around high-voltage transmission lines is an issue of great importance, especially in the case of buildings near…”
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Natural Beta-carotene: a Microalgae Derivate for Nutraceutical Applications by Tiziana Marino, Patrizia Casella, Paola Sangiorgio, Alessandra Verardi, Angelo Ferraro, Evangelos Hristoforou, Antonio Molino, Dino Musmarra

“…Nutraceuticals have gained growing attention during the last year, becoming one of the most relevant areas of investigation. Among the existing natural sources…”
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A Biosensor Platform for Point-of-Care SARS-CoV-2 Screening by Georgas, Antonios, Agiannis, Konstantinos, Papakosta, Vasiliki, Priftis, Panagiotis, Angelopoulos, Spyridon, Ferraro, Angelo, Hristoforou, Evangelos

“…The COVID-19 pandemic remains a constant threat to human health, the economy, and social relations. Scientists around the world are constantly looking for new…”
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Evaluation of Barkhausen Noise and Magnetoacoustic Emission Signals Properties for Plastically Deformed Armco Iron by Piotrowski, Leszek, Augustyniak, Boleslaw, Chmielewski, Marek, Hristoforou, Evangelos V., Kosmas, Konstantinos

“…The paper presents the results of the investigation of the influence of different modes of plastic deformation on the magnetoacoustic properties of Armco iron…”
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