Browsing Τμήμα Χημείας / Department of Chemistry by Title
Now showing items 261-280 of 1299
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Article
A correction to the calculation of the Gibbs free energy of adsorption for biomolecules in ion-exchange systems
(1997)We wish to propose a correction to the methodology introduced by Gerstner et al. [J.A. Gerstner, J.A. Bell, S.M. Cramer, Biophys. Chem. 52 (1994) 97-106] for the calculation of Gibbs free energies of adsorption of biomolecules ...
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Conference Object
Correlating carob pods (Ceratonia Siliqua L.) aroma profile with geographical origin
((ISCNP30-ICOB10, 2018)
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Conference Object
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Article
Correlating the effective work function at buried organic/metal interfaces with organic solar cell characteristics
(2018)The energy level alignment at organic semiconductor/metal interfaces determines the efficiency of charge injection and collection in organic electronic devices. Back electrodes, applied after the organic layer is processed, ...
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Article
Coupling of helix E-F motion with the O-nitrito and 2-nitrovinyl coordination in myoglobin
(2017)Myoglobin (Mb) is known to react slowly with nitirite to form the green pigment by NO2 − cordination to the heme Fe in the O-binding nitrito (O1[sbnd]N[dbnd]O2) mode and to the heme 2-vinyl position. Nitrite is a powerful ...
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Covalent amphiphilic polymer networks
(2003)The recent literature on chemically cross-linked amphiphilic polymer networks is reviewed. The main subjects covered are network synthesis, characterization, modeling and applications. Special mention is made to more modern ...
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Article
A critical evaluation of novel algorithms for the off-lattice Monte Carlo simulation of condensed polymer phases
(1994)Novel composite algorithms for efficient off-lattice simulations of dense polymer phases are implemented and evaluated in the case of polyethylene in the united and explicit atom approximations. The simulation algorithms ...
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Crosslink nature in Cr(III)-polyacrylamide gels
(2001)The equilibrium constants of various candidates for the crosslinking reaction between chromium(III) and partly hydrolysed polyacrylamide have been calculated. For this purpose use has been made of a) the crosslinking index ...
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Crystal and molecular structure of 1,3-dibenzylcyclobutane-2,4-bis(2′-spiro-(5′-p-chloro)-benzylcyclopentanone): Product of a single-crystal→single-crystal reaction
(1984)The title compound is the product of the photo-induced solid-state reaction of 2-(p-chloro)-benzyl-5-benzylidenecyclopentanone, a reaction which is shown to occur in a single-crystal to single-crystal fashion. The cell ...
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Article
Crystal and molecular structures of 2-(p-methylbenzyl)- and 2-(p-chlorobenzyl)-5-(p-bromobenzylidene)cyclopentanone. Influence of chloro and methyl substitution on solid-state reactivity
(1982)The crystal structures of the title compounds have been determined as part of an investigation into the factors which may influence the solid-state reactivity of benzylidene cyclopentanones. The p-methyl derivative, which ...
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Crystal engineering of photodimerizable cyclopentanones. Comparison of chloro and methyl substitution as solid-state steering groups
(1981)The interchangability of chloro and methyl groups, insofar as solid-state structure and photoreactivity are concerned, is examined in a family of three pairs of closely related molecules derived from the same parent, ...
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Crystal structure of 3,3-(p-N, N-dimethylaminophenyl)-6-N, N-dimethylaminophthalide, (crystal-violet lactone)
(1984)The title compound is C26H29N302, Mr,=415.54, monoclinic, P21/n, a=12.228(1), b=17.385(2), c=11.786(1) Å, Vc=2308.7 Å3, Z=4, Dx=1.19 Mg m-3, μ=5.29 cm-1, F(000)=888. Final R=0.046 for 2301 independent reflections. Three ...
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Crystal structure of 4-bromobenzohydrazide
(2008)The title compound was synthesized and its crystal structure was determined by X-ray diffraction analysis. The compound is monoclinic, space group P21/a with Z = 4. The unit-cell dimensions are a = 12.287(2)Å, b = 3.8287(5)Å, ...
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Cu-Ce-La-Ox as efficient CO oxidation catalysts: Effect of Cu content
(2020)Nanograins of Ce-La-xCu-O mixed metal oxides (wherex = 3, 5, 7, 10, 20 at.%), of approximately 16 nm2 area size, and having all the metal cations homogeneously distributed, are tested as ternary catalytic materials towards ...
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Cyanate groups in higher oxidation state metal cluster chemistry: Mixed-valence (II/III) Mn16 and Mn18 clusters
(2016)The employment of cyanato (OCN-) group in high oxidation state manganese cluster chemistry, in conjunction with carboxylate ions and the organic chelating/bridging ligand 2-(hydroxymethyl)pyridine (hmpH), is reported. The ...
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Article
Cyclisation chemistry of 4H-1,2,6-thiadiazines
(2000)3,5-Dichloro-4H-1,2,6-thiadiazin-4-one 1 condenses rapidly at room temperature with 1,2-diaminobenzene, 2-aminothiophenol and sodium 2-aminophenoxide to give, respectively, the purple thiadiazinoquinoxaline 4a, red ...
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Cyclopropane isomerization over Eu3+NaX zeolites
(1992)Cyclopropane isomerization to propylene over various Eu3+ loadings in NaX zeolite have been studied by measurements of steady-state and transient kinetics and by Fourier transform infrared spectroscopy. As Eu3+ loading ...