Browsing by Subject "Molecules"

Article

Chiral control of current transfer in molecules

Ben-Moshe, V.; Beratan, David N.; Nitzan, A.; Skourtis, Spiros S. (2011)

Electron transmission through chiral molecules induced by circularly polarized light can be very different for mirror image structures. This behavior is described in terms of current transfer: the transfer of both charge ...

Doctoral Thesis Open Access

Controlling electron and exciton transfer paths in molecular systems

Antoniou, Panayiotis F. (Πανεπιστήμιο Κύπρου, Σχολή Θετικών και Εφαρμοσμένων Επιστημών / University of Cyprus, Faculty of Pure and Applied Sciences, 2017-05)

Η παρούσα Διδακτορική Διατριβή επικεντρώνεται στη μελέτη των μηχανισμών αντιδράσεων μεταφοράς ηλεκτρονίου (ΜΗΛ) και μεταφοράς ενέργειας (ΜΕΝ) σε μοριακά συστήματα. Ο κύριος στόχος της ερευνητικής μου δραστηριότητας ήταν ...

Article

Detection of a photostable five-coordinate heme a3-Fe-Co species and functional implications of His384/α10 in CO-bound ba 3-cytochrome c oxidase from Thermus thermophilus

Ohta, T.; Pinakoulaki, Eftychia; Soulimane, T.; Kitagawa, T.; Varotsis, Constantinos (2004)

Resonance Raman (RR) spectra are reported for the fully reduced carbon monoxy derivative of ba3-cytochrome c oxidase from Thermus thermophilus. The RR spectra show the formation of a photolabile six-coordinate heme-CO and ...

Article

A DFT study of the ground state multiplicities of linear vs angular polyheteroacenes

Constantinides, Christos P.; Koutentis, Panayiotis Andreas; Schatz, J. (2004)

Unrestricted density functional calculations in combination with the broken-symmetry approach and spin-projection methods have been employed to study a series of formally 4n π antiaromatic linear and angular polyheteroacenes. ...

Article

Diol-type ligands as central 'players' in the chemistry of high-spin molecules and single-molecule magnets

Tasiopoulos, Anastasios J.; Perlepes, Spyros P. (2008)

The combination of diol-type ligands with paramagnetic transition metal ions has led to the isolation of a host of new homometallic and heterometallic clusters, high-spin molecules and single molecule magnets ranging in ...

Article

Flexible lanthanide MOFs as highly selective and reusable liquid MeOH sorbents

Efthymiou, Constantinos G.; Kyprianidou, Eleni J.; Milios, Constantinos J.; Manos, Manolis J.; Tasiopoulos, Anastasios J. (2013)

A series of new 3-D Ln3+ metal-organic frameworks (MOFs), which are based on the semi-rigid ligand H3CIP [H3CIP = 5-(4-carboxybenzylideneamino)isophthalic acid], [Ln2(CIP) 2(DMF)4-x(H2O)x] (Ln3+ = La3+, Ce3+, Pr3+, Sm3+, ...

Article

Hydrophilic, cationic large-core star polymers and polymer networks: Synthesis and physicochemical characterization

Kafouris, Demetris; Gradzielski, M.; Patrickios, Costas S. (2008)

Group transfer polymerization was used to prepare hydrophilic, cationic large-core star polymers (LCSPs) and networks of 2-(dimethylamino)ethyl methacrylate (DMAEMA) and ethylene glycol dimethacrylate (EGDMA) in a two-step ...

Article

Interaction of metal complexes with G-quadruplex DNA

Georgiades, Savvas N.; Abd Karim, N. H.; Suntharalingam, K.; Vilar, R. (2010)

[Figure Presented] Guanine-rich sequences of DNA can assemble into tetrastranded structures known as G-quadruplexes. It has been suggested that these secondary DNA structures could be involved in the regulation of several ...

Article

Magnetic "Molecular Oligomers" Based on Decametallic Supertetrahedra: A Giant Mn49 Cuboctahedron and its Mn25Na4 Fragment

Manoli, Maria; Alexandrou, Sofia; Pham, L.; Lorusso, G.; Wernsdorfer, W.; Evangelisti, M.; Christou, George; Tasiopoulos, Anastasios J. (2016)

Two nanosized Mn49 and Mn25Na4 clusters based on analogues of the high-spin (S=22) [MnIII 6MnII 4(μ4-O)4]18+ supertetrahedral core are reported. Mn49 and Mn25Na4 complexes consist of eight and four decametallic supertetrahedral ...

Article

Matrix assisted pulsed laser evaporation of Mn 12(Propionate) thin films

Pervolaraki, M.; Sima, F.; Socol, G.; Teodorescu, C. M.; Gheorghe, N. G.; Socol, M.; Mihailescu, I. N.; Moushi, E. E.; Tasiopoulos, Anastasopoulos J.; Athanasopoulos, G. I.; Viskadourakis, Z.; Giapintzakis, John (2012)

Single molecule magnets are of great interest due to a multitude of potential applications for some of which thin films are required. Traditional physical vapor deposition techniques are not suitable for the deposition of ...

Article

Matrix assisted pulsed laser evaporation of Mn 12(Propionate) thin films

Pervolaraki, Maria; Sima, Felix N.; Socol, G.; Teodorescu, C. M.; Gheorghe, N. G.; Socol, M.; Mihailescu, Ion N.; Moushi, Eleni E.; Tasiopoulos, Anastasios J.; Athanasopoulos, Georgios I.; Viskadourakis, Zacharias A.; Giapintzakis, Ioannis (2012)

Single molecule magnets are of great interest due to a multitude of potential applications for some of which thin films are required. Traditional physical vapor deposition techniques are not suitable for the deposition of ...

Article

A microporous Co2+ metal organic framework with single-crystal to single-crystal transformation properties and high CO2 uptake

Moushi, Eleni E.; Kourtellaris, Andreas; Spanopoulos, Ioannis; Manos, Manolis J.; Papaefstathìou, Giannis S.; Trikalitis, Pantelis N.; Tasiopoulos, Anastasios J. (2015)

The synthesis and characterization of {[Co9(INA)18(H2O)6]·11DMF·15H2O}∞ (Co9-INA·11DMF·15H2O) (INA- = the anion of isonicotinic acid) is reported. It exhibits a rigid 3D-porous structure with a Co9 repeating unit consisting ...

Article

Molecular dynamic simulations of carbon nanotubes in CO2 atmosphere

Alexiadis, A.; Kassinos, Stavros C. (2008)

This work investigates by means of molecular dynamics the filling of carbon nanotubes by carbon dioxide molecules. Nanotubes of various sizes are simulated and the resulting CO2 density calculated. The effects of various ...

Article

New antimony(III) halide complexes with dithiocarbamate ligands derived from thiuram degradation: The effect of the molecule's close contacts on in vitro cytotoxic activity

Urgut, O. S.; Ozturk, I. I.; Banti, Christina N.; Kourkoumelis, Nikolaos; Manoli, Maria; Tasiopoulos, Anastasios J.; Hadjikakou, Sotiris K. (2016)

Antimony(III) halide complexes of the formulae {[SbBr(Me2DTC)2]n} (1), {[SbI(Me2DTC)2]n} (2) and {[(Me2DTC)2Sb(μ2-I)Sb(Me2DTC)2]+.I3-} (3) (Me2DTC = dimethyldithiocarbomate) were synthesized from SbX3, (X = Br or I) and ...

Article

De novo drug design using multiobjective evolutionary graphs

Nicolaou, Christos A.; Apostolakis, Joannis; Pattichis, Constantinos S. (2009)

Drug discovery and development is a complex, lengthy process, and failure of a candidate molecule can occur as a result of a combination of reasons, such as poor pharmacokinetics, lack of efficacy, or toxicity. Successful ...

Article

Single crystal coordinating solvent exchange as a general method for the enhancement of the photoluminescence properties of lanthanide MOFsAAA

Kyprianidou, Eleni J.; Lazarides, T.; Kaziannis, S.; Kosmidis, C.; Itskos, Grigorios; Manos, Manolis J.; Tasiopoulos, Anastasios J. (2014)

The discovery of new methods for the post-synthesis modification of materials is essential in order to establish suitable strategies for the tuning of their properties in a rational manner. Here we present a series of ...

Article

Single crystal coordinating solvent exchange as a general method for the enhancement of the photoluminescence properties of lanthanide MOFsAAA

Kyprianidou, Eleni J.; Lazarides, T.; Kaziannis, S.; Kosmidis, C.; Itskos, Grigorios; Manos, Manolis J.; Tasiopoulos, Anastasios J. (2014)

The discovery of new methods for the post-synthesis modification of materials is essential in order to establish suitable strategies for the tuning of their properties in a rational manner. Here we present a series of ...

Doctoral Thesis Open Access

Structural characterization of organic conjugated dyes through vibrational and time-resolved spectroscopic techniques

Alloa, Elisa (Πανεπιστήμιο Κύπρου, Σχολή Θετικών και Εφαρμοσμένων Επιστημών / University of Cyprus, Faculty of Pure and Applied Sciences, 2019-12)

Η ανάπτυξη οπτοηλεκτρονικών εφαρμογών εξαρτάται άμεσα από το δομικό χαρακτηρισμό των οργανικών συζυγιακών μορίων. Η δονητική φασματοσκοπία αποτελεί μια αξιόπιστη μέθοδο για τη μελέτη αλλαγών στη διαμόρφωση των οργανικών ...

Article

Turning charge transfer on and off in a molecular interferometer with vibronic pathways

Xiao, D.; Skourtis, Spiros S.; Rubtsov, I. V.; Beratan, David N. (2009)

Inelastic electron-transfer kinetics in molecules with electron donor and acceptor units connected by a bridge is expected to be sensitive to bridge-localized vibronic interactions. Here, we show how inelastic electron ...