Search Results - "Nicolaides, Athanassios"

Triggering selective uranium separation from aqueous solutions by using salophen-modified biochar fibers by Liatsou, Ioanna, Pashalidis, Ioannis, Nicolaides, Athanassios

“…Salophen modified biochar fibers derived from Luffa cylindrica sponges were prepared and subsequently studied as a potential U(VI) adsorbent by batch-type…”
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Synthesis of a novel diene from a cyclobutane precursor: an entry to 2,9-disubstituted [2]diadamantanes by Ioannou, Savvas, Krassos, Harry, Nicolaides, Athanassios V.

“…In the gas-phase thermolysis (350 °C) of heptacyclic cyclobutane 2, n=1, (the [2+2] dimer of noradamantene) two isomeric dienes (the symmetric 5, n=1 and the…”
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Surface mechanism of the boron adsorption on alumina in aqueous solutions by Demetriou, Antri, Pashalidis, Ioannis, Nicolaides, Athanassios V., Kumke, Michael U.

“…The adsorption of boron (boric acid) from aqueous solutions on alumina has been investigated at pH 8.0, I = 0.1M NaClO4, T = 22 ± 3°C, and under normal…”
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Electron affinities of a homologous series of tertiary alkyl radicals and their C–H bond dissociation energies (BDEs) by Petrou, Panayiotis S., Nicolaides, Athanassios V.

“…Heats of formation have been derived from G3(MP2)//B3LYP and G3MP2B3(+) atomization energies for tert-butyl radical ( 6R), cubyl radical, bicyclooctyl radical…”
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Computational studies on exothermic carbon–carbon bond cleavages by Nicolaides, Athanassios, Tomioka, Hideo

“…Structural aspects of single CC bond dissociation energies are examined and it is shown that in certain cases a negative bond dissociation energy (BDE)…”
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Cover Image by Nicolaides, Athanassios, Tomioka, Hideo

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Cover Image by Nicolaides, Athanassios, Tomioka, Hideo

“…The cover image is based on the Research Article Computational studies on exothermic carbon–carbon bond cleavages by Athanassios Nicolaides and Hideo Tomioka…”
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Tricyclo-[3.3.1.0]nonane-3,7-diyl bis-(methane-sulfonate) by Ioannou, Savvas, Nicolaides, Athanassios V, Manos, Manolis J

“…The crystal structure of the title compound, C(11)H(18)O(6)S(2), was determined to investigate the effect of the eclipsed mesyl groups on the bond length of…”
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Phenyl Radical, Cation, and Anion. The Triplet−Singlet Gap and Higher Excited States of the Phenyl Cation by Nicolaides, Athanassios, Smith, David M, Jensen, Frank, Radom, Leo

“…High-level ab initio molecular orbital calculations have been carried out for the phenyl cation (1), the phenyl radical (2), and the phenyl anion (3). Our best…”
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Lipidomics and Free Radical Modifications of Lipids by Chryssostomos Chatgilialoglu, Carla Ferreri, Albin Hermetter, Emmanuel Lacote, Branka Mihaljević, Athanassios Nicolaides, Athanassia Siafaka-Kapadai

“…The free-radical-induced modification of biologically relevant molecules is an active field of interdisciplinary research, spanning from chemistry to…”
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Direct Observation and Characterization of p-Phenylenebisnitrene. A Labile Quinoidal Diradical by Nicolaides, Athanassios, Tomioka, Hideo, Murata, Shigeru

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A Theoretical Study of Chlorine Atom and Methyl Radical Addition to Nitrogen Bases:  Why Do Cl Atoms Form Two-Center−Three-Electron Bonds Whereas CH3 Radicals Form Two-Center−Two-Electron Bonds? by McKee, Michael L, Nicolaides, Athanassios, Radom, Leo

“…Ab initio molecular orbital calculations have been carried out on a series of adducts between chlorine atom and NH3, NMe3, NCl3, HNCH2, and pyridine, and…”
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Of Ortho-Conjugatively Linked Reactive Intermediates:  The Cases of Ortho-Phenylene-(Bis)Nitrene, -Carbenonitrene, and -(Bis)Carbene by Nicolaides, Athanassios, Nakayama, Takehito, Yamazaki, Katsuhisa, Tomioka, Hideo, Koseki, Shiro, Stracener, Louise L, McMahon, Robert J

“…ortho-Phenylene-bisnitrene (2) and -carbenonitrene (3) were generated in an inert matrix at low temperature, characterized by IR spectroscopy, and identified…”
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A computational study on the possible role of oxygen in the oxidation of methionine and dimethylsulfide initiated by OH radicals by Xipsiti, Chara, Nicolaides, Athanassios V.

“…[Display omitted] ► Molecular oxygen can oxidize sulfur radical cations to carbocations in solution. ► Molecular oxygen can oxidize peroxy radicals to carbonyl…”
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An improved synthesis of diiodonoradamantane by Ioannou, Savvas, Nicolaides, Athanassios V.

“…Τhe synthesis of 3,7-diiodo-tricyclo[3.3.1.0 3,7]nonane, the main precursor of noradamantene, by iodination of the corresponding diol via its dimesylate…”
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Synthesis and Study of the (Ph3P)2Pt Complexes of Three Members of a Series of Highly Pyramidalized Alkenes by Nicolaides, Athanassios, Smith, Joseph M, Kumar, Alok, Barnhart, David M, Borden, Weston Thatcher

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Connectivity Effects in Isomeric Naphthalenedinitrenes by Serwinski, Paul R, Walton, Richard, Sanborn, Jon A, Lahti, Paul M, Enyo, Tomonori, Miura, Daisuke, Tomioka, Hideo, Nicolaides, Athanassios

“…UV−vis, FTIR, and ESR spectroscopic studies were carried out on samples of 1,4- and 1,5-naphthalenediazide that were photolyzed at cryogenic temperatures in…”
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Corrigendum to “An improved synthesis of diiodonoradamantane” [Tetrahedron Lett. 50 (2009) 6938–6940] by Ioannou, Savvas, Nicolaides, Athanassios V.

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A Simple Failing of G2 Theory: Heats of Combustion by Nicolaides, Athanassios, Radom, Leo

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Singlet Hydrocarbon Carbenes with High Barriers Toward Isomerization:  A Computational Investigation by Nicolaides, Athanassios

“…A prerequisite for a stable singlet hydrocarbon carbene is the existence of high barriers toward isomerization. Four derivatives of cyclopentylidene (1 − 4)…”
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