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Browsing by Subject "Copper"

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    • Article  

      Competition studies of L1-deferiprone with copper and iron. Possible implications on efficacy, toxicity and new therapeutic applications 

      Pashalidis, Ioannis; Kontoghiorghes, G. J. (2000)

    • Article  

      Copper(II) removal from aqueous solutions by adsorption on non-treated and chemically modified cactus fibres 

      Prodromou, Melpomeni; Pashalidis, Ioannis (2013)
      The adsorption efficiency of a biomass by-product (cactus fibres) regarding the removal of copper(II) from aqueous solutions has been investigated before and after its chemical treatment. The chemical treatment of the ...

    • Article  

      Evidence for the presence of two conformations of the heme a 3-CuB pocket of cytochrome caa 3 from Thermus thermophilus 

      Pavlou, A.; Soulimane, T.; Pinakoulaki, Eftychia (2011)
      Resonance Raman (RR) and "light" minus "dark" Fourier transform infrared (FTIR) difference spectra are reported for the CO-bound caa3 oxidase from Thermus thermophilus. Two Fe-CO stretching modes at 518 and 507 cm-1, the ...

    • Article  

      Fourier transform infrared (FTIR) and step-scan time-resolved FTIR spectroscopies reveal a unique active site in cytochrome caa3 oxidase from Thermus thermophilus 

      Pinakoulaki, Eftychia; Soulimane, T.; Varotsis, Constantinos (2002)
      Fourier transform infrared (FTIR) and step-scan time-resolved FTIR difference spectra are reported for the [carbonmonoxy]cytochrome caa3 from Thermus thermophilus. A major C-O mode of heme a3 at 1958 cm-1 and two minor ...

    • Article  

      Initial use of 1,1′-oxalyldiimidazole for inorganic synthesis: Decomposition of the ligand as a means to the preparation of an imidazole- and oxalate(-2)-containing, 1D copper(II) complex 

      Stamatatos, Theocharis C.; Perlepes, Spyros P.; Raptopoulou, Catherine P.; Psycharis, Vassilis P.; Patrickios, Costas S.; Tasiopoulos, Anastasios J.; Boudalis, Athanassios K. (2009)
      The use of 1,1′-oxalyldiimidazole, (im)COCO(im), for the synthesis of coordination complexes is explored for the first time. The [Cu2(O2CMe)4(H2O)2]/(im)COCO(im) reaction system in 96% EtOH yields the new, 1D coordination ...

    • Article  

      Interactions of hydroxycarbamide (Hydroxyurea) with Iron and copper: Implications on toxicity and therapeutic strategies 

      Konstantinou, E.; Pashalidis, Ioannis; Kolnagou, A.; Kontoghiorghes, G. J. (2011)
      Presented at the 19th International Conference on Chelation, London, UK, 13-16 November 2009Preliminary spectrophotometric and potentiometric studies have shown that hydroxycarbamide or hydroxyurea (HU) can interact with ...

    • Article  

      Interesting copper(ii)-assisted transformations of 2-acetylpyridine and 2-benzoylpyridine 

      Kitos, Alexandros A.; Efthymiou, Constantinos G.; Manos, Manolis J.; Tasiopoulos, Anastasios J.; Nastopoulos, Vassilios; Escuer, Albert; Perlepes, Spyros P. (2016)
      The reactions of various copper(ii) sources with 2-acetylpyridine, (py)(me)CO, and 2-benzoylpyridine, (py)(ph)CO, under strongly basic conditions have been studied and novel ligand transformations have been discovered. ...

    • Article  

      Molecular factors affecting the complex formation between deferiprone (L1) and Cu(II): Possible implications on efficacy and toxicity 

      Pashalidis, Ioannis; Kontoghiorghes, G. J. (2001)
      Deferiprone (1,2-dimethyl-3-hydroxypyrid-4-one, L1, CAS 30652-11-0) is a new chelating drug used worldwide for the treatment of iron overloading conditions. Spectrophotometric and potentiometric measurements were carried ...

    • Book  

      The production and trade of Cypriot copper in the late bronze age :from ore to ingot : 

      Brempt Van, Lente (S. N., 2016)

    • Article  

      The protein effect in the structure of two ferryl-oxo intermediates at the same oxidation level in the heme copper binuclear center of cytochrome c oxidase 

      Pinakoulaki, Eftychia; Daskalakis, Vangelis; Ohta, T.; Richter, O. -M H.; Budiman, K.; Kitagawa, T.; Ludwig, B.; Varotsis, Constantinos (2013)
      Identification of the intermediates and determination of their structures in the reduction of dioxygen to water by cytochrome c oxidase (CcO) are particularly important to understanding both O2 activation and proton pumping ...

    • Article  

      The remarkable effect of oxygen on the N2 selectivity of water catalytic denitrification by hydrogen 

      Constantinou, C. L.; Costa, Costas N.; Efstathiou, Angelos M. (2007)
      The selective catalytic reduction of nitrates (NO3-) in pure water toward N2 formation by the use of gaseous H2 and in the presence of O2 (air) at 1 atm total pressure and 25°C has been investigated over Pd-Cu supported ...

    • Article  

      Sorption of Cu(II) and Eu(III) ions from aqueous solution by olive cake 

      Konstantinou, M.; Kolokassidou, K.; Pashalidis, Ioannis (2007)
      The sorption of Cu(II) on olive cake, a biomass by-product of olive oil production, has been investigated by potentiometry at pH 6, I=0.1 M NaClO 4, 25∈°C and under atmospheric conditions. Numerical analysis of the ...

    • Article  

      Structural and thermal characterization of La5Ca 9Cu24O41 thin films grown by pulsed laser deposition on (1 1 0) SrTiO3 substrates 

      Svoukis, E.; Athanasopoulos, G. I.; Altantzis, T.; Lioutas, C.; Martin, R. S.; Revcolevschi, A.; Giapintzakis, John (2012)
      In the present study stoichiometric, b-axis oriented La5Ca 9Cu24O41 thin films were grown by pulsed laser deposition on (1 1 0) SrTiO3 substrates in the temperature range 600-750 °C. High resolution transmission electron ...

    • Article  

      Structure and Magnetic Property Control of Copper Hydroxide Acetate by Non-Classical Crystallization 

      Song, R.; Krasia-Christoforou, T.; Debus, C.; Cölfen, H. (2017)
      Copper hydroxide acetate (CHA), one layered hydroxide compound with tunable magnetism, attracts great interest because of its potential applications in memory devices. However, ferromagnetism for CHA is only demonstrated ...

    • Article  

      Studies on the interaction of olive cake and its hydrophylic extracts with polyvalent metal ions (Cu(II), Eu(III)) in aqueous solutions 

      Konstantinou, M.; Kolokassidou, K.; Pashalidis, Ioannis (2009)
      The paper presents and discusses the chemical affinity of two different forms of natural organic matter (e.g. in solid (SOM) and soluble form (DOM)) for Cu2+ and Eu3+ ions. In the this study SOM is represented by olive ...

    • Article  

      Synthesis, structure, magnetic properties and aqueous solution characterization of p-hydroquinone and phenol iminodiacetate copper(ii) complexes 

      Stylianou, M.; Drouza, C.; Viskadourakis, Z.; Giapintzakis, John; Keramidas, A. D. (2008)
      The reaction of Cu2+ acetate monohydrate with 2-[N,N′-bis(carboxymethyl)aminomethyl]-4-carboxyphenol (H 4cacp), 2-[N,N-bis(carboxymethyl)aminomethyl]hydroquinone (H 4cah) and the dinucleating 2,5-bis[N,N-bis(carboxymethy ...

    • Article  

      Synthesis, structure, magnetic properties and aqueous solution characterization of p-hydroquinone and phenol iminodiacetate copper(ii) complexes 

      Stylianou, Marios; Drouza, Chryssoula; Viskadourakis, Zacharias A.; Giapintzakis, Ioannis; Keramidas, Anastasios D. (2008)
      The reaction of Cu2+ acetate monohydrate with 2-[N,N′-bis(carboxymethyl)aminomethyl]-4-carboxyphenol (H 4cacp), 2-[N,N-bis(carboxymethyl)aminomethyl]hydroquinone (H 4cah) and the dinucleating 2,5-bis[N,N-bis(carboxymethy ...

    • Article  

      Time-Resolved Resonance Raman and Time-Resolved Step-Scan FTIR Studies of Nitric Oxide Reductase from Paracoccus denitrificans: Comparison of the Heme b3-FeB Site to That of the Heme-CuB in Oxidases 

      Pinakoulaki, Eftychia; Varotsis, Constantinos (2003)
      Time-resolved resonance Raman (TR3) and time-resolved step-scan (TRS2) FTIR spectroscopies have been used to probe the structural dynamics at the heme b3 proximal and distal sites after carbon monoxide photolysis from fully ...

    • Doctoral Thesis  Open Access

      Μελέτη προσρόφησης μεταλλοϊόντων (Cu(II), Eu(III), U(VI)) σε βιομάζα και ανόργανα στερεά 

      Κωνσταντίνου, Μαρία Χρ. (Πανεπιστήμιο Κύπρου, Σχολή Θετικών και Εφαρμοσμένων Επιστημών / University of Cyprus, Faculty of Pure and Applied Sciences, 2008-05)
      Αντικείμενο έρευνας της παρούσας Διδακτορικής Διατριβής, αποτελεί η προσρόφηση μεταλλοϊόντων σε επιφάνειες οργανικών και ανόργανων στερεών. Συγκεκριμένα, η παρούσα ερευνητική εργασία εστιάζεται στη μελέτη της προσρόφησης ...

    • Doctoral Thesis  Open Access

      Σύνθεση και δραστικότητα συμπλοκών του ουρανίου, του βαναδίου και του χαλκού με τριαζινικούς και αμιδικούς υποκαταστάτες 

      Χατζηθωμά, Σοφία Θ. (Πανεπιστήμιο Κύπρου, Σχολή Θετικών και Εφαρμοσμένων Επιστημών / University of Cyprus, Faculty of Pure and Applied Sciences, 2019-10)
      Στην παρούσα διδακτορική εργασία μελετήθηκαν η εκλεκτική συμπλοκοποίηση του ουρανίου από τριαζινικούς υποκαταστάτες και η ενεργοποίηση του οξυγόνου από αμιδικά και τριαζινικά πυριμιδικά σύμπλοκα του χαλκού και του βαναδίου. ...

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