Search Results - "Theodoros, T"

Nonreciprocal Gain in Non-Hermitian Time-Floquet Systems by Koutserimpas, Theodoros T, Fleury, Romain

“…We explore the unconventional wave scattering properties of non-Hermitian systems in which amplification or damping are induced by time-periodic modulation…”
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Electromagnetic Fields in a Time-Varying Medium: Exceptional Points and Operator Symmetries by Koutserimpas, Theodoros T., Fleury, Romain

“…In this article, we study the interactions of electromagnetic waves with a non-dispersive dynamic medium that is temporally dependent. Electromagnetic fields…”
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Electromagnetic Waves in a Time Periodic Medium With Step-Varying Refractive Index by Koutserimpas, Theodoros T., Fleury, Romain

“…We present an exact mathematical framework for electromagnetic wave propagation in periodically time-modulated media, in which the permittivity is homogenous…”
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Electromagnetic fields between moving mirrors: singular waveforms inside Doppler cavities by Koutserimpas, Theodoros T, Valagiannopoulos, Constantinos

“…Phenomena of wave propagation in dynamically varying structures have reemerged as the temporal variations of the medium's properties can extend the…”
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Hyaluronan-CD44 axis orchestrates cancer stem cell functions by Skandalis, Spyros S., Karalis, Theodoros T., Chatzopoulos, Athanasios, Karamanos, Nikos K.

“…The prominent role of CD44 in tumor cell signaling together with its establishment as a cancer stem cell (CSC) marker for various tumor entities imply a key…”
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Time-varying media, dispersion, and the principle of causality [Invited] by Koutserimpas, Theodoros T., Monticone, Francesco

“…The article reviews general properties of time-varying dispersive materials. We first briefly discuss different dispersion models that have been proposed in…”
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A Comparative Anatomic and Physiologic Overview of the Porcine Heart by Lelovas, Pavlos P, Kostomitsopoulos, Nikolaos G, Xanthos, Theodoros T

“…Despite advances during the last 2 decades in every aspect of cardiovascular research (interventional cardiology, cardiopulmonary resuscitation, and so forth),…”
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Tumor-suppressive functions of 4-MU on breast cancer cells of different ER status: Regulation of hyaluronan/HAS2/CD44 and specific matrix effectors by Karalis, Theodoros T., Heldin, Paraskevi, Vynios, Demitrios H., Neill, Thomas, Buraschi, Simone, Iozzo, Renato V., Karamanos, Nikos K., Skandalis, Spyros S.

“…The malignant phenotype of various cancers is linked to enhanced expression of hyaluronan, a pro-angiogenic glycosaminoglycan whose expression is suppressed by…”
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Improved Unconditionally Stable FDTD Method for 3-D Wave-Propagation Problems by Zygiridis, Theodoros T.

“…The findings of this paper prove that the direct implementation of fourth-order operators in the alternating-direction-implicit finite-difference time-domain…”
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European Resuscitation Council Guidelines for Resuscitation 2015: Section 11. The ethics of resuscitation and end-of-life decisions by Bossaert, Leo L, Perkins, Gavin D, Askitopoulou, Helen, Raffay, Violetta I, Greif, Robert, Haywood, Kirstie L, Mentzelopoulos, Spyros D, Nolan, Jerry P, Van de Voorde, Patrick, Xanthos, Theodoros T

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Error-optimized finite-difference modeling of wave propagation problems with Lorentz material dispersion by Zygiridis, Theodoros T., Papadopoulos, Aristeides D., Kantartzis, Nikolaos V.

“…In the context of finite-different time-domain (FDTD) methods, errors associated with numerical dispersion can be reduced by introducing high-order or…”
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Multi-objective optimization of a morphing structure incorporating shape memory alloy actuators by Machairas, Theodoros T, Saravanos, Dimitris A

“…Morphing technology aims to improve the performance of structural components by drastically altering their shape in response to conflicting operational…”
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Coupled-mode theory for stationary and nonstationary resonant sound propagation by Koutserimpas, Theodoros T., Fleury, Romain

“…In this paper, we present a complete analytical derivation of the equations used for stationary and nonstationary wave systems regarding resonant sound…”
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Cold Atmospheric Plasma Attenuates Breast Cancer Cell Growth Through Regulation of Cell Microenvironment Effectors by Aggelopoulos, Christos A, Christodoulou, Anna-Maria, Tachliabouri, Myrsini, Meropoulis, Stauros, Christopoulou, Maria-Elpida, Karalis, Theodoros T, Chatzopoulos, Athanasios, Skandalis, Spyros S

“…Breast cancer exists in multiple subtypes some of which still lack a targeted and effective therapy. Cold atmospheric plasma (CAP) has been proposed as an…”
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Effect of shape memory alloys partial transformation on the response of morphing structures encompassing shape memory alloy wire actuators by Karakalas, Anargyros A, Machairas, Theodoros T, Saravanos, Dimitris A

“…The present article investigates and explores the effect of partial phase transformation on the response of shape adaptive/morphing structures controlled by…”
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An improved two‐dimensional (2,4) finite‐difference time‐domain method for Lorentz dispersive media by Zygiridis, Theodoros T., Amanatiadis, Stamatios A., Kantartzis, Nikolaos V.

“…The credible solution of discretized Maxwell's equations in spaces occupied by Lorentz dispersive media is the main subject of this work. Specifically, we…”
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Suicide methods and severe mental illness: A systematic review and meta-analysis by Trott, M, Suetani, S, Arnautovska, U, Kisely, S, Kar Ray, M, Theodoros, T, Le, V, Leske, S, Lu, M, Soole, R, Warren, N, Siskind, D

“…People with severe mental illness (SMI) have a higher risk of suicide compared with the general population. However, variations in suicide methods between…”
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High-Order Error-Optimized FDTD Algorithm With GPU Implementation by Zygiridis, Theodoros T.

“…This paper presents the development of a two-dimensional (2-D) finite-difference time-domain (FDTD) solver that features reliable calculations and reduced…”
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Laboratory Rat as an Animal Model for Osteoporosis Research by Lelovas, Pavlos P, Xanthos, Theodoros T, Thoma, Sofia E, Lyritis, George P, Dontas, Ismene A

“…Osteoporosis is an important systemic disorder, affecting mainly Caucasian women, with a diverse and multifactorial etiology. A large variety of animal…”
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Enhanced WPT structures via EC-SRR-based metasurfaces by Karatzidis, Dimitrios I., Zygiridis, Theodoros T., Kantartzis, Nikolaos V.

“…Purpose The purpose of this paper is to present a family of robust metasurface-oriented wireless power transfer systems with improved efficiency and size…”
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