Browsing Τμήμα Χημείας / Department of Chemistry by Title
Now showing items 321-340 of 1299
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Article
Direct detection of Fe(IV)=O intermediates in the cytochrome aa3 oxidase from Paracoccus denitrificans[H2O2 reaction
(2003)We report the first evidence for the formation of the "607- and 580-nm forms" in the cytochrome oxidase aa3/H2O2 reaction without the involvement of tyrosine 280. The pKa of the 607-580-nm transition is 7.5. The 607-nm ...
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Article
Direct observation and characterization of p-phenylenebisnitrene. A labile quinoidal diradical [11]
(1998)
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Article
Direct observation of ultrafast long-range charge separation at polymer-fullerene heterojunctions
(2014)In polymeric semiconductors, charge carriers are polarons, which means that the excess charge deforms the molecular structure of the polymer chain that hosts it. This results in distinctive signatures in the vibrational ...
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Article
Discovery of anti-cancer activity for benzo[1,2,4]triazin-7-ones: Very strong correlation to pleurotin and thioredoxin reductase inhibition
(2016)The thioredoxin (Trx)–thioredoxin reductase (TrxR) system plays a key role in maintaining the cellular redox balance with Trx being over-expressed in a number of cancers. Inhibition of TrxR is an important strategy for ...
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Article
Discrete and encapsulated molecular grids: Homometallic Mn15 and heterometallic Mn24Ni2 aggregates
(2014)Two molecular grid-like clusters are reported, one is a discrete [3 × 5] grid and the other a [3 × 4] grid within a Mn12Ni 2 loop. Both Mn24Ni2 and Mn15 aggregates display novel and aesthetically pleasing structures with ...
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Article
Discriminant Analysis of Volatile Organic Compounds data related to a new location method of entrapped people in collapsed buildings of an earthquake
(2006)Discriminant Analysis is used as a part of a research, which aims at using expired air analysis for the early location of entrapped people under the ruins of collapsed buildings in an earthquake. This work focuses on the ...
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Article
Discrimination of Cheddar and Kefalotyri Cheese Samples: Analysis by Chemometrics of Proton-NMR and FTIR Spectra
(2019)Cheddar and Kefalotyri cheese belong to the category of hard cheeses. Cheddar has an English origin, while Kefalotyri is a traditional cheese in Greece and a well-consumed dairy product in Cyprus. Discrimination of dairy ...
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Dissecting the stabilization of iodide at the air-water interface into components: A free energy analysis
(2006)Recent experiments and simulations show that large chaotropic anions favor solvation at the water surface, mainly due to induction interactions dominated by ionic polarizabilities. We compare the solvation free-energy ...
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Book Chapter
Distorted Alkenes
(Wiley-VCH Verlag GmbH & Co. KGaA, 2009)
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Article
Donor atom electrochemical contribution to redox potentials of square pyramidal vanadyl complexes
(2015)A simple donor atom additivity relationship has been used to calculate the donor atom electrochemical contribution (DEC) of the Oac (acetylacetonate-enolic oxygen), OPh (phenolic oxygen), SPh (mercaptophenol sulfur), Nam ...
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Article
Double Networks Based on Amphiphilic Cross-Linked Star Block Copolymer First Conetworks and Randomly Cross-Linked Hydrophilic Second Networks
(2016)This study presents the preparation and characterization of double networks (DN) based on a first amphiphilic polymethacrylate conetwork (APCN) and a second polyacrylamide network. The APCN first network comprised ...
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Book Chapter
Double-network Hydrogels Comprising an Ionic Amphiphilic Polymer First Co-network
(Royal Society of Chemistry, 2020)This chapter shows that the mechanical properties of amphiphilic polymer co-networks (APCNs) can be improved via interpenetration with a second hydrophilic polymer network, i.e. by employing the double-network (DN) hydrogel ...
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Article
Double-networks based on interconnected amphiphilic “in–out” star first polymer conetworks prepared by RAFT polymerization
(2018)Double-network hydrogels were prepared using well-defined first networks comprising interconnected amphiphilic “in-out” star copolymers synthesized via sequential reversible addition-fragmentation chain transfer (RAFT) ...
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Double-networks based on pH-responsive, amphiphilic "core-first" star first polymer conetworks prepared by sequential RAFT polymerization
(2017)This manuscript presents the preparation and study of a new double-network hydrogel system, comprising an amphiphilic, pH-responsive first polymer conetwork synthesized via reversible addition-fragmentation chain transfer ...
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Article
Dry reforming of methane over 5 wt% Ni/Ce1-xPrxO2-δ catalysts: Performance and characterisation of active and inactive carbon by transient isotopic techniques
(2016)The effects of Ce1-xPrxO2-δ support composition (x = 0.0–0.8) and reaction temperature (550–750 °C) on the catalytic activity and selectivity and important features of the mechanism of the dry reforming of methane (DRM) ...
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Article
Dual emission in a ligand and metal co-doped lanthanide-organic framework: color tuning and temperature dependent luminescence
(MDPI AG, 2020-01-25)In this study, we report the luminescence color tuning in the lanthanide metal-organic framework (LnMOF) ([La(bpdc)Cl(DMF)] (1); bpdc2− = [1,1′-biphenyl]-4,4′-dicarboxylate, DMF = N,N-dimethylformamide) by introducing dual ...
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Article
Dynamic covalent amphiphilic polymer conetworks based on end-linked pluronic F108: preparation, characterization, and evaluation as matrices for gel polymer electrolytes
(American Chemical Society, 2024-04-26)We present the development of a platform of well-defined, dynamic covalent amphiphilic polymer conetworks (APCN) based on an α,ω-dibenzaldehyde end-functionalized linear amphiphilic poly(ethylene glycol)-b-poly(propylene ...
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Article
Dynamic covalent polymer hydrogels and organogels crosslinked through acylhydrazone bonds: synthesis, characterization and applications
(2018)We review recent literature on the rapidly expanding field of dynamic covalent polymer networks (DCPNs) crosslinked with acylhydrazone bonds, classified according to their structural perfection: randomly crosslinked and ...