Royal Society of Chemistry

Overcoming NHCs neutrality: installing tetracarbenes on group 13 and 14 metals

Dalton Transactions - 14 May, 2014 - 03:54

Dalton Trans., 2014, 43,7687-7690
DOI: 10.1039/C4DT00990H, CommunicationS. Alan Cramer, Forrest L. Sturgill, Preeti P. Chandrachud, David M. Jenkins
The first tetracarbene complexes of group 13 and 14 metals have been synthesized by employing dianionic macrocyclic tetracarbene ligands.
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Rational development of iron catalysts for asymmetric transfer hydrogenation

Dalton Transactions - 14 May, 2014 - 03:54

Dalton Trans., 2014, 43,7650-7667
DOI: 10.1039/C4DT00612G, PerspectiveOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Peter E. Sues, Karl Z. Demmans, Robert H. Morris
The synthesis of three generations of complexes and mechanistic studies led to progressive improvements in the effectiveness of asymmetric transfer hydrogenation (ATH) catalysts based on iron.
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Ga[NO2A-N-([small alpha]-amino)propionate] chelates: synthesis and evaluation as potential tracers for 68Ga PET

Dalton Transactions - 14 May, 2014 - 03:54

Dalton Trans., 2014, 43,8037-8047
DOI: 10.1039/C4DT00386A, PaperMiguel F. Ferreira, Goretti Pereira, Joao P. Andre, M. I. M. Prata, Paula M. T. Ferreira, Jose A. Martins, Carlos F. G. C. Geraldes
A reversible pH-trigged N3O3[leftrightarrows]N4O2 coordination isomerism was demonstrated for the Ga[NO2A-N-([small alpha]-amino)propionate] chelate in the pH range 4-6.
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Synthesis, crystal structure, and cytotoxic activity of novel cyclic systems in [1,2,4]thiadiazolo[2,3-a]pyridine benzamide derivatives and their copper(II) complexes

Dalton Transactions - 14 May, 2014 - 03:54

Dalton Trans., 2014, 43,7945-7957
DOI: 10.1039/C3DT52905C, PaperForogh Adhami, Maliheh Safavi, Maryam Ehsani, Sussan K. Ardestani, Franziska Emmerling, Farzaneh Simyari
Novel Cu2+ complexes with a square planar structure synthesized from benzamide derivatives showed cytotoxic activity against different human cancer cell lines.
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Orangish-yellow-emitting Ca3Si2O7:Eu2+ phosphor for application in blue-light based warm-white LEDs

Dalton Transactions - 14 May, 2014 - 03:54

Dalton Trans., 2014, 43,7917-7923
DOI: 10.1039/C4DT00076E, PaperChien-Hao Huang, Wei-Ren Liu, Ting-Shan Chan, Yuan-Tai Lai
The crystal structure of Ca3Si2O7:Eu2+ phosphor was determined on the basis of XRD profiles using synchrotron radiation. A warm-white LED device with a low CCT has been fabricated using a blue LED chip combined with orangish-yellow-emitting Ca3Si2O7:0.015Eu2+ phosphor.
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Influence of spherical assembly of copper ferrite nanoparticles on magnetic properties: orientation of magnetic easy axis

Dalton Transactions - 14 May, 2014 - 03:54

Dalton Trans., 2014, 43,7930-7944
DOI: 10.1039/C4DT00093E, PaperBiplab K. Chatterjee, Kaustav Bhattacharjee, Abhishek Dey, Chandan K. Ghosh, Kalyan K. Chattopadhyay
The spherical assembly of nanoparticles induces a high degree of alignment of magnetic easy axis as compared to randomly oriented nanoparticles which increases the reduced remanence ensuing straightened hysteresis loop.
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Biomimetic polyorganosiloxanes: model compounds for new materials

Dalton Transactions - 14 May, 2014 - 03:54

Dalton Trans., 2014, 43,7734-7746
DOI: 10.1039/C4DT00554F, PaperGabriele Kociok-Kohn, Mary F. Mahon, Kieran C. Molloy, Gareth J. Price, Timothy J. Prior, Douglas R. G. Smith
Model organosilicon derivatives of DNA bases and polymeric analogues are reported with the crystallographically studied formation of hydrogen-bonded aggregates.
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Selective synthesis of (Z)-2-enynyl-2-hydroxy-imidazolidine-4,5-diones via Cu(I)-mediated multicomponent coupling of terminal alkynes, carbodiimides and oxalyl chloride

Org. and Biomol. Chem. - 13 May, 2014 - 17:54

Org. Biomol. Chem., 2014, 12,3336-3339
DOI: 10.1039/C4OB00185K, CommunicationFei Zhao, Yuexing Li, Yang Wang, Wen-Xiong Zhang, Zhenfeng Xi
(Z)-2-Enynyl-2-hydroxy-imidazolidine-4,5-diones are synthesized via Cu(I)-mediated (Z)-selective geminal coupling among two terminal alkynes, carbodiimides, and oxalyl chloride. Further transformation is explored.
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Symmetry as a new element to control molecular switches

Org. and Biomol. Chem. - 13 May, 2014 - 17:54

Org. Biomol. Chem., 2014, 12,3371-3379
DOI: 10.1039/C4OB00230J, PaperOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Luca Schweighauser, Daniel Haussinger, Markus Neuburger, Hermann A. Wegner
The switching of a tetraazocarbazole macrocycle was investigated and an interdependence of individual azo units was observed depending on their special relationship.
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FD 172: Boron doped Diamond Biotechnology: from sensors to neurointerfaces

Faraday Disc. - 13 May, 2014 - 15:17
Faraday Discuss., 2014, Accepted Manuscript
DOI: 10.1039/C4FD00040D, PaperClement Hebert, Emmanuel Scorsone, Amel Bendali, Raphael Kiran, Myline Cottance, Hugues A Girard, Julie Degardin, Elisabeth Dubus, Gaelle Lissorgues, Lionel Rousseau, Serge Picaud, Philippe Bergonzo
Boron doped nanocrystalline Diamond (B-NCD) is known as a remarkable material for the fabrication of sensors taking advantage of its biocompatibility, electrochemical properties, and stability. Sensors can be fabricated to...
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FD 172: Probing the charging mechanisms of carbon nanomaterial polyelectrolytes

Faraday Disc. - 13 May, 2014 - 15:17
Faraday Discuss., 2014, Accepted Manuscript
DOI: 10.1039/C4FD00043A, PaperStephen Anthony Hodge, Hui Huang Tay, David Benbow Anthony, Robert Menzel, David J. Buckley, Patrick L. Cullen, Neal Skipper, Christopher A Howard, Milo Sebastian Peter Shaffer
Chemical charging of single-walled carbon nanotubes (SWCNTs) and graphenes to generate soluble salts shows great promise as a processing route for electronic applications, but raises fundamental questions. The reduction potentials...
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FD 171: Analysis of a Measurement Scheme for Ultrafast Hole Dynamics by Few Femtosecond Resolution X-ray Pump-Probe Auger Spectroscopy

Faraday Disc. - 13 May, 2014 - 15:17
Faraday Discuss., 2014, Accepted Manuscript
DOI: 10.1039/C4FD00051J, PaperJon P Marangos, Bridgette Cooper, Premysl Kolorenc, Leszek Frasinski, Vitali Averbukh
Ultrafast hole dynamics that is created in molecular systems as a result of sudden ionization is the focus of much attention in the field of attosecond science. Using the molecule...
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Here's to the future

J. Material Chem. - 9 December, 2012 - 11:17

J. Mater. Chem., 2012, 22,24981-24982
DOI: 10.1039/C2JM90176E, Editorial
Liz Dunn (Editor) and Seth Marder (Chair of the Editorial Board) commemorate Journal of Materials Chemistry and look back over some of the highlights of the last 22 years.
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Improved anti-proliferative effect of doxorubicin-containing polymer nanoparticles upon surface modification with cationic groups

J. Material Chem. - 9 December, 2012 - 11:17

J. Mater. Chem., 2012, 22,25463-25470
DOI: 10.1039/C2JM35420A, PaperSai Archana Krovi, Elden P. Swindell, Thomas V. O'Halloran, SonBinh T. Nguyen
Cationic functionalization stabilizes doxorubicin-containing polymer nanoparticles against aggregation and improved their anti-proliferative effect against MDA-MB-231-Br cancer cells.
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Synthesis of high-charge capacity triarylamine-thiophene redox electrodes using electrochemical copolymerization

J. Material Chem. - 5 December, 2012 - 10:17

J. Mater. Chem., 2012, 22,25447-25452
DOI: 10.1039/C2JM35472A, PaperJeremy T. Kearns, Mark E. Roberts
High-charge capacity redox electrodes are prepared via electrochemical copolymerization with improved electrochemical properties relative to the homopolymers.
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Lipophilic and cationic triphenylphosphonium grafted linear polyethylenimine polymers for efficient gene delivery to mammalian cells

J. Material Chem. - 5 December, 2012 - 10:17

J. Mater. Chem., 2012, 22,25427-25436
DOI: 10.1039/C2JM35243E, PaperR. Bansal, S. K. Tripathi, K. C. Gupta, P. Kumar
Cationic and lipophilic butyltriphenylphosphonium bromide has been tethered to lPEI, and the resulting BTP-g-lP polymers have been shown to deliver nucleic acids efficiently into mammalian cells.
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Pyrene-directed growth of nanoporous benzimidazole-linked nanofibers and their application to selective CO2 capture and separation

J. Material Chem. - 3 December, 2012 - 09:54

J. Mater. Chem., 2012, 22,25409-25417
DOI: 10.1039/C2JM34922A, PaperMohammad Gulam Rabbani, Ali Kemal Sekizkardes, Oussama M. El-Kadri, Bilal R. Kaafarani, Hani M. El-Kaderi
Highly porous pyrene-derived benzimidazole-linked nanofibers exhibit very high CO2 and H2 binding affinities and a remarkable CO2 uptake and selectivity over methane and nitrogen making the fibers very attractive for use in hydrogen storage and post-combustion CO2 capture applications.
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Vacuum thermally evaporated polymeric zinc acrylate as an organic interlayer of organic/inorganic multilayer passivation for flexible organic thin-film transistors

J. Material Chem. - 27 November, 2012 - 08:17

J. Mater. Chem., 2012, 22,25395-25401
DOI: 10.1039/C2JM34760A, PaperWon Min Yun, Jaeyoung Jang, Sooji Nam, Yong Jin Jeong, Lae Ho Kim, Seyeol Park, Sang Joon Seo, Chan Eon Park
Vacuum thermally evaporated polymeric zinc acrylate (pZA) was applied as an organic interlayer for the multilayer passivation of flexible OTFTs.
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Themed issue: nanomaterials for energy conversion and storage

J. Material Chem. - 27 November, 2012 - 08:17

J. Mater. Chem., 2012, 22,24190-24194
DOI: 10.1039/C2JM90163C, EditorialK. Kalyanasundaram, M. Gratzel
Guest editors Michael Gratzel and Kuppuswamy Kalyanasundaram introduce this Journal of Materials Chemistry themed issue on nanomaterials for energy conversion and storage.
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Structural and defect properties of the LaPO4 and LaP5O14-based proton conductors

J. Material Chem. - 27 November, 2012 - 08:17

J. Mater. Chem., 2012, 22,25388-25394
DOI: 10.1039/C2JM32940A, PaperSatyajit Phadke, Juan C. Nino, M. Saiful Islam
Atomistic simulation techniques are used to perform a comparative study of intrinsic defects, dopant incorporation and protonic groups in two lanthanum phosphate compounds, namely, the orthophosphate (LaPO4) and the ultraphosphate (LaP5O14).
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