Browsing by Subject "Morphology"

Article

ABA triblock copolymer-based model networks in the bulk: Effect of the number of arms on microphase behavior

Karbarz, M.; Stojek, Z.; Patrickios, Costas S. (2005)

The microphase separation behavior in the strong segregation limit of model networks based on cross-linked ABA triblock copolymers in the bulk was investigated by calculating analytically the Gibbs free energies of the ...

Article

Broom-like and flower-like heterostructures of silver molybdate through pH controlled self assembly

Singh, D. P.; Sirota, B.; Talpatra, S.; Kohli, P.; Rebholz, Claus; Aouadi, S. M. (2012)

Silver molybdate microrods are selfassembled into micron sized, broom-like and flowerlike structures. Our investigations indicate that through a simple hydrothermal process, large scale production of such structure is ...

Article

Classification of atherosclerotic carotid plaques using morphological analysis on ultrasound images

Kyriacou, Efthyvoulos C.; Pattichis, Marios S.; Pattichis, Constantinos S.; Mavrommatis, A.; Christodoulou, Christodoulos I.; Kakkos, Stavros K.; Nicolaïdes, Andrew N. (2009)

The aim of this study was to investigate the usefulness of multilevel binary and gray scale morphological analysis in the assessment of atherosclerotic carotid plaques. Ultrasound images were recorded from 137 asymptomatic ...

Article

Composite DLC-metal/metal-carbide coatings produced by electron enhanced unbalanced magnetron sputtering

Rebholz, Claus; Ziegele, H.; Voevodin, A. A.; Schneider, J. M.; Matthews, A. (1997)

Composite coatings consisting of metal containing diamond like carbons were produced by unbalanced magnetron sputtering in a closed field magnetic configuration. Targets of Pta and W were poisoned with acetylene during the ...

Article

From colloidal aggregates to layered nanosized structures in polymer-surfactant systems. 1. Basic phenomena

Leontidis, Epameinondas; Kyprianidou-Leodidou, Tasoula; Caseri, Walter; Robyr, P.; Krumeich, F.; Kyriacou, Kyriacos C. (2001)

In this work, we examine the rich crystallization behavior that occurs in PbII/S-II/poly(ethylene oxide) (PEO)/sodium dodecyl sulfate (SDS) systems, in which the anionic surfactant interacts strongly with the polymer ...

Article

Gold colloids from cationic surfactant solutions. 1. Mechanisms that control particle morphology

Leontidis, Epameinondas; Kleitou, K.; Kyprianidou-Leodidou, Tasoula; Bekiari, Vlasoula; Lianos, P. (2002)

The mechanism of formation of gold particles by reduction of AuIII in solutions of alcyltrimethylammonium chloride surfactants was studied in the absence and in the presence of NaCl. AuIII anions interact strongly with ...

Article

Inkjet printing processing conditions for bulk-heterojunction solar cells using two high-performing conjugated polymer donors

Hermerschmidt, F.; Papagiorgis, Panagiotis; Savva, Achilleas; Christodoulou, Chris C.; Itskos, Grigorios; Choulis, Stelios A. (2014)

We report the processing conditions for inkjet-printed active layers of organic photovoltaic (OPV) devices comprising bulk-heterojunction blends of the low bandgap conjugated polymer poly[(4,4′-bis(2-ethylhexyl)dithieno[3,2-b: ...

Conference Object

Multiscale morphological analysis of the atherosclerotic carotid plaque

Kyriacou, Efthyvoulos C.; Pattichis, Marios S.; Christodoulou, Christodoulos I.; Pattichis, Constantinos S.; Kakkos, Stavros K.; Nicolaïdes, Andrew N. (2005)

The aim of this paper was to investigate the usefulness of multiscale morphological analysis in the assessment of atherosclerotic carotid plagues. Ultrasound images were recorded from 137 asymptomatic and 137 symptomatic ...

Article

Novel Zn-Ti-based mixed metal oxides for low-temperature adsorption of H2S from industrial gas streams

Polychronopoulou, Kyriaki; Fierro, José Luis García; Efstathiou, Angelos M. (2005)

The efficiency of various Zn-Ti-based mixed metal oxides prepared by the sol-gel method towards H2S adsorption from a gas mixture containing 0.06 vol.% H2S, 25 vol.% H2, 7.5 vol.% CO2 and 1 vol.% H2O was studied in the ...

Doctoral Thesis Open Access

Patterns of phenotypic and genetic variation in Pogoniulus tinkerbirds and their role in interactions at contact zones

Nwankwo, Emmanuel Chibuike (Πανεπιστήμιο Κύπρου, Σχολή Θετικών και Εφαρμοσμένων Επιστημών / University of Cyprus, Faculty of Pure and Applied Sciences, 2018-05)

Τα όρια των ειδών καθορίζονται κυρίως βάσει των φαινοτυπικών χαρακτηριστικών ή της μοριακής φυλογενετικής αλλά τα πρότυπα δεν είναι πάντοτε σταθερά. Επίσης, τέτοιες μεθόδοι μπορεί να αγνοήσουν το ρόλο των χαρακτηριστικών ...

Article

Photovoltaic limitations of BODIPY:fullerene based bulk heterojunction solar cells

Baran, D.; Tuladhar, S.; Economopoulos, Solon P.; Neophytou, Marios; Savva, Achilleas; Itskos, Grigorios; Othonos, Andreas S.; Bradley, D. D. C.; Brabec, C. J.; Nelson, J.; Choulis, Stelios A. (2017)

The photovoltaic performance of blends of a series of 4,4′-Difluoro-4-bora-3a,4a-diaza-s-indacenes)-based (BODIPY) conjugated polymers donors with fullerene electron acceptors is investigated. Despite the high Voc values ...

Article

PLD of Fe3O4 thin films: Influence of background gas on surface morphology and magnetic properties

Paramês, M. L.; Mariano, J.; Viskadourakis, Z.; Popovici, N.; Rogalski, M. S.; Giapintzakis, John; Conde, O. (2006)

Ablation of Fe3O4 targets has been performed using a pulsed UV laser (KrF, λ = 248 nm, 30 ns pulse duration) onto Si(100) substrates, in reactive atmospheres of O2 and/or Ar, with different oxygen partial pressures. The ...

Article

Preparation and characterization of a cerium(IV)-incorporated manganese oxide OMS-2. Effect of cerium(IV) template on octahedral molecular sieves of manganese oxide and characterization of manganese oxide molecular sieves with cerium(IV) as dopant

Hapeshi, Evroula; Theocharis, Charis R. (2008)

The manganese oxide material K-OMS-2 was synthesized both via a redox reaction between potassium permanganate and manganese nitrate in an acidic medium (nitric acid) under reflux conditions and by the sol-gel reaction ...

Article

Pulsed-laser deposition of NiMnSb thin films at moderate temperatures

Giapintzakis, John; Grigorescu, C.; Klini, A.; Manousaki, A.; Zorba, V.; Androulakis, J.; Viskadourakis, Z.; Fotakis, C. (2002)

Thin films of the half-Heusler alloy NiMnSb, which is predicted by band-structure calculations to be a half-metallic ferromagnet, were grown on various substrates (Si and InAs) using pulsed-laser deposition. The growth ...

Conference Object

Qualitative morphological analysis of muscle biopsies using neural networks

Gabriel, Gabriel; Schizas, Christos N.; Pattichis, Constantinos S.; Constantinou, Renos; Hadjianastasiou, Annie; Schizas, Akis N. (Publ by IEEE, 1993)

Qualitative data from human muscle biopsies have been extracted and analyzed by artificial neural network (ANN) models trained with the Kohonen's self-organizing feature maps algorithm to provide an automated medical ...

Article

Statistical measures of structural anisotropy in MHD turbulence subjected to mean shear and frame rotation

Kassinos, Stavros C.; Knaepen, B.; Wray, A. (2006)

We consider homogeneous turbulence in a conducting fluid that is exposed to a uniform external magnetic field while being sheared in fixed and rotating frames. We take both the frame-rotation axis and the applied magnetic ...

Article

Structure, mechanical and tribological properties of nitrogen-containing chromium coatings prepared by reactive magnetron sputtering

Rebholz, Claus; Ziegele, H.; Leyland, A.; Matthews, A. (1999)

Cr(1-x)N(x) coatings were deposited by magnetron sputtering at a substrate temperature of 200°C onto AISI 316 stainless-steel substrates immersed in an Ar/N2 plasma. The goal of this investigation was to study the influence ...

Article

Structure, morphology, and photoluminescence of porous Si nanowires: Effect of different chemical treatments

Leontis, I.; Othonos, Andreas S.; Nassiopoulou, Androula Galiouna (2013)

The structure and light-emitting properties of Si nanowires (SiNWs) fabricated by a single-step metal-assisted chemical etching (MACE) process on highly boron-doped Si were investigated after different chemical treatments. ...

Article

Studies of the tribological and mechanical properties of laminated CrC-SiC coatings produced by r.f. and d.c. sputtering

Ziegele, H.; Rebholz, Claus; Voevodin, A. A.; Leyland, A.; Rohde, S. L.; Matthews, A. (1997)

Multilayer CrC-SiC coatings were produced by both direct current and radio frequency sputtering of Cr and Si targets in an Ar-C2H2 atmosphere. Coatings of constant thickness of about 4 μm, but with the number of layers ...

Article

Styrene-vinyl pyridine diblock copolymers: Achieving high molecular weights by the combination of anionic and reversible addition-fragmentation chain transfer polymerizations

Pafiti, Kyriaki S.; Patrickios, Costas S.; Filiz, Volkan; Rangou, Sofia; Abetz, Clarissa; Abetz, Volker (2013)

Anionic and reversible addition-fragmentation chain transfer (RAFT) polymerizations were combined for the preparation of high molecular weight (MW) amphiphilic diblock copolymers based on the hydrophobic styrene (Sty) and ...