RSC - New J. Chem. latest articles

Studies on the redox turnover of polyoxometalates using potentiometric chemical sensors

New J. Chem., 2012, Advance Article
DOI: 10.1039/C2NJ21053C, Paper

Alisa Rudnitskaya, Jose A. F. Gamelas, Dmitry V. Evtuguin, Andrey Legin
Potentiometric chemical sensors were applied to the in situ real time monitoring of redox potential and VO²⁺ concentration during redox reactions of Keggin-type polyoxometalates, [PV_xMo_12-xO₄₀]^(3+x) (x = 1, 2). Differences in the VO²⁺ concentration profiles observed during re-oxidation of di- and mono-substituted POMs allowed to infer different re-oxidation mechanisms for these compounds.
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ZnO/carbon quantum dots nanocomposites: one-step fabrication and superior photocatalytic ability for toxic gas degradation under visible light at room temperature

New J. Chem., 2012, Advance Article
DOI: 10.1039/C2NJ20959D, Paper

Hang Yu, Hengchao Zhang, Hui Huang, Yang Liu, Haitao Li, Hai Ming, Zhenhui Kang
ZnO/CQDs composites exhibit enhanced photocatalytic ability for benzene degradation under visible light.
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Binuclear iron boronyl carbonyls isoelectronic with the well-known decacarbonyldimanganese

New J. Chem., 2012, Advance Article
DOI: 10.1039/C2NJ20894F, Paper

Yu Chang, Qian-Shu Li, Yaoming Xie, R. Bruce King, Henry F. Schaefer III
Theoretical studies on Fe₂(BO)₂(CO)₈ predict symmetrical unbridged structures consisting of Fe(BO)(CO)₄ units linked by an iron-iron single bond of [similar]2.9 A length similar to the experimental structure of the known isoelectronic Mn₂(CO)₁₀.
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P-C bond formation via direct and three-component conjugate addition catalyzed by ZnO nano-rods for the synthesis of 2-oxindolin-3-yl-phosphonates under solvent-free conditions

New J. Chem., 2012, Advance Article
DOI: 10.1039/C2NJ20947K, Paper

Mona Hosseini-Sarvari, Mina Tavakolian
A simple and novel method for the synthesis of 2-oxindolin-3-yl-phosphonates using ZnO nano-rods as a catalyst under solvent-free conditions at room temperature is reported.
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Evidence of ionic liquid crystal properties for a DODA+ salt of the keplerate [Mo132O372(CH3COO)30(H2O)72]42-

New J. Chem., 2012, Advance Article
DOI: 10.1039/C2NJ20923C, Letter

Sebastien Floquet, Emmanuel Terazzi, Akram Hijazi, Laure Guenee, Claude Piguet, Emmanuel Cadot
An association between the DODA⁺ cation and the well-known nanoscopic hollow sphere [Mo₁₃₂O₃₇₂(H₂O)₇₂(CH₃CO₂)₃₀]^42- revealed to possess ionic liquid crystalline properties between room temperature and decomposition temperature.
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Conformational analysis of seven-membered 1-N-iminosugars by NMR and molecular modelling

New J. Chem., 2012, Advance Article
DOI: 10.1039/C2NJ20967E, Paper

Javier Perez-Castells, Marco Fontanella, Ana Arda, F. Javier Canada, Matthieu Sollogoub, Yves Bleriot, Jesus Jimenez-Barbero
Seven-membered 1-N-iminosugars display high conformational flexibility by NMR and molecular modelling.
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Efficient recyclable catalytic system for deoxygenation of sulfoxides: catalysis of ionic liquid-molybdenum complexes in ionic liquid solution

New J. Chem., 2012, Advance Article
DOI: 10.1039/C2NJ21001K, Paper

Mojtaba Bagherzadeh, Saeideh Ghazali-Esfahani
Synthesis of some ionic liquids containing molybdenum(VI) anion are reported. These molybdenum liquid salts dissolved in ionic liquids showed great activity and recyclability as catalysts for sulfoxide reduction in a biphasic system.
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Enhanced ethanol sensing properties of NiO-doped SnO2 polyhedra

New J. Chem., 2012, Advance Article
DOI: 10.1039/C2NJ21030D, Paper

Zheng Lou, Lili Wang, Teng Fei, Tong Zhang
NiO-doped SnO₂ polyhedra were prepared using a hydrothermal method and exhibited a higher and faster response than that of pure SnO₂.
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Cation-induced fluorescent excimer emission in calix[4]arene-chemosensors bearing quinoline as a fluorogenic unit: experimental, molecular modeling and crystallographic studies

New J. Chem., 2012, Advance Article
DOI: 10.1039/C2NJ20904G, Paper

Subrata Patra, Ravi Gunupuru, Rabindranath Lo, E. Suresh, Bishwajit Ganguly, Parimal Paul
Calix[4]arene-based fluorescent molecular sensors containing a quinoline moiety exhibit metal-induced excimer emissions due to the modulation of frontier molecular orbital energies, as suggested by the DFT calculations.
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Towards efficient polyoxometalate encapsulation in MIL-100(Cr): influence of synthesis conditions

New J. Chem., 2012, Advance Article
DOI: 10.1039/C2NJ20587D, Paper

Jana Juan-Alcaniz, Maarten G. Goesten, Enrique V. Ramos-Fernandez, Jorge Gascon, Freek Kapteijn
Biphasic MIL-100(Cr) synthesis maintains MOF properties, while the use of DMF as solvent originates MOG's characteristics. Loading controlled phosphotungstic acid was successfully encapsulated in MIL-100(Cr).
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Microsolvation of the histamine monocation in aqueous solution: the effect on structure, hydrogen bonding ability and vibrational spectrum

New J. Chem., 2012, Advance Article
DOI: 10.1039/C2NJ20877F, Paper

Robert Vianello, Janez Mavri
Computational methods reveal that it takes at least five explicit water molecules to make the trans conformer the most stable form of the histamine monocation in solution, in accordance with experiments.
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Characterization of electrografted 4-aminophenylalanine layers for low non-specific binding of proteins

New J. Chem., 2012, Advance Article
DOI: 10.1039/C2NJ20930F, Paper

Nicola Menegazzo, Qiongjing Zou, Karl S. Booksh
Pulsed potential profiles were applied to electrograft the diazonium salt of 4-aminophenylalanine onto gold surfaces. The resulting layers were characterized extensively and the ability to resist nonspecific protein adsorption has been shown, potentially facilitating biosensing in complex media.
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A theoretical study of the ring size effect on one- and two-photon absorption properties of macrocyclic thiophene derivatives

New J. Chem., 2012, Advance Article
DOI: 10.1039/C2NJ20886E, Paper

Shuang Huang, Lu-Yi Zou, Ai-Min Ren, Jing-Fu Guo, Xiao-Ting Liu, Ji-Kang Feng
The OPA and TPA properties of macrocyclic thiophene derivatives [C[6T_A_E]_n-Me (n = 1-3)] with different ring sizes have been investigated by quantum chemistry calculation.
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One-step ultrasonic synthesis of fluorescent N-doped carbon dots from glucose and their visible-light sensitive photocatalytic ability

New J. Chem., 2012, Advance Article
DOI: 10.1039/C2NJ20942J, Letter

Zheng Ma, Hai Ming, Hui Huang, Yang Liu, Zhenhui Kang
Water-soluble N-doped carbon dots were synthesized by facile ultrasonic reaction, which were confirmed to exhibit up-conversion photoluminescence and excellent photocatalytic properties.
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The paramagnetic and luminescent [Re6Se8I6]3- cluster. Its potential use as an antitumoral and biomarker agent

New J. Chem., 2012, Advance Article
DOI: 10.1039/C2NJ21016A, Paper

Cesar Echeverria, Alvaro Becerra, Felipe Nunez-Villena, Alvaro Munoz-Castro, Jimmy Stehberg, Zhiping Zheng, Ramiro Arratia-Perez, Felipe Simon, Rodrigo Ramirez-Tagle
Effects on cell viability, intracellular distribution, and fluorescent properties of the exposition of 90 [small mu ]M Re₆Se₈I₆^3- cluster for 0, 12, 24, and 48 hours. White bars indicate 40 [small mu ]m.
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Anomalous macromolecular assembly of partially fluorinated polyhedral oligomeric silsesquioxanes

New J. Chem., 2012, Advance Article
DOI: 10.1039/C2NJ20922E, Paper

Sharon C. Kettwich, Scott N. Pierson, Andrew J. Peloquin, Joseph M. Mabry, Scott T. Iacono
Molecular assembly of silsesquioxane octamers is predicated by their intimate intercage Si...F contacts.
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Tetraazaarenes by the ceramidonine approach

New J. Chem., 2012, Advance Article
DOI: 10.1039/C2NJ21033A, Letter

Parantap Sarkar, Ie-Rang Jeon, Fabien Durola, Harald Bock
A family of ceramidonine-based polycyclic aromatic molecules, incorporating four nitrogen atoms, has been obtained in only three straightforward steps from hydroxy-anthraquinones and amino-phenazines or amino-quinolines. This opens a new route towards larger nitrogen-containing nano-graphenes.
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Synthesis of mono(guanidinate) rare earth metal bis(amide) complexes and their performance in the ring-opening polymerization of L-lactide and rac-lactide

New J. Chem., 2012, Advance Article
DOI: 10.1039/C2NJ20925J, Paper

Yibin Wang, Yunjie Luo, Jue Chen, Hanming Xue, Hongze Liang
A family of mono(guanidinate) rare earth metal bis(amide) complexes [(SiMe₃)₂NC(NCy)₂]Ln[N(SiRMe₂)₂]₂(THF)_n (R = Me, n = 0, Ln = Nd (1), Lu (2), Y (3); R = H, n = 1, Ln = Y (4)) was prepared. 4 was active for L-lactide and rac-lactide polymerization in a controllable fashion.
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A linear conjugated core for functional columnar liquid crystals

New J. Chem., 2012, Advance Article
DOI: 10.1039/C2NJ20950K, Paper

Ana Perez, Jose Luis Serrano, Teresa Sierra, Alfredo Ballesteros, Diana de Saa, Roberto Termine, Upendra Kumar Pandey, Attilio Golemme
The self-organization characteristics of rod-like fluorophores derived from 3-hexen-1,5-diyne can be controlled by conjugation to different types of benzoic acid derivatives.
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Hexanuclear copper-nickel and copper-cobalt complexes for thin film deposition of ceramic oxide composites

New J. Chem., 2012, Advance Article
DOI: 10.1039/C2NJ20789C, Paper

Muhammad Sultan, Asif Ali Tahir, Muhammad Mazhar, Matthias Zeller, K. G. Upul Wijayantha
Heterobimetallic Cu-Ni and Cu-Co complexes were designed for the deposition of ceramic oxide composite thin films. The size, shape, surface morphology, microstructure, chemical composition and crystallinity of the resulting nanostructured ceramic oxide composite thin films were characterized for their possible technological applications.
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Synthesis and thermal behavior of chiral dimers: occurrence of highly frustrated and cholesteric liquid crystal phases

New J. Chem., 2012, Advance Article
DOI: 10.1039/C2NJ21035E, Paper

G. Shanker, C. V. Yelamaggad
Occurrence of chiral nematic and/or highly frustrated liquid crystal phases over a wide thermal range in newly synthesized nonsymmetric dimers derived from cholesterol and phenyl cinnamate segments has been reported.
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Electronic/substituents influence on imidazole ring donor-acceptor capacities using 1H-imidazo[4,5-f][1,10]phenanthroline frameworks

New J. Chem., 2012, Advance Article
DOI: 10.1039/C2NJ20880F, Paper

Abiodun O. Eseola, Oluseyi Adepitan, Helmar Gorls, Winfried Plass
Experiments showed that imidazole ring Lewis basicity is mainly tuned by substituents at the 2-imidazole ring position rather than substituents at the 1-position.
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Synergistic effect between carbon black nanoparticles and polyimide on refractive indices of polyimide/carbon black nanocomposites

New J. Chem., 2012, Advance Article
DOI: 10.1039/C2NJ20869E, Paper

Pengfei Xue, Jibin Wang, Yubin Bao, Qiuying Li, Chifei Wu
Our study demonstrates a synergistic effect between carbon black segments and polyimide backbone on high refractive index polyimide/carbon black hybrid materials.
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Unusual solidification and phosphate binding to benzimidazole cations in the presence of water

New J. Chem., 2012, Advance Article
DOI: 10.1039/C2NJ20897K, Paper

Sarah E. Clifford, Marcin Runowski, Nalini Parthasarathy, Celine Besnard, Xavier Melich, Alan F. Williams
An unexpected attachment: the high affinity of benzimidazolonium cations for phosphate ions is studied in solution and in the solid state.
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Detrimental cationic doping of titania in photocatalysis: why chromium Cr3+-doping is a catastrophe for photocatalysis, both under UV- and visible irradiations

New J. Chem., 2012, Advance Article
DOI: 10.1039/C2NJ20914D, Paper

Jean-Marie Herrmann
The photo-electronic properties of titania demonstrate that its chromium Cr³⁺-doping is quite detrimental for all kinds of photocatalytic reactions under both UV and visible irradiations by creating recombination centers.
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