Materials Literature
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The effect of over‐expression in tobacco plants of cytosolic Cu,Zn‐superoxide dismutase (cyt sod ) and ascorbate peroxidase (cyt apx ) alone, or in combination, against bacterial wildfire and crown gall diseases, caused by Pseudomonas syringae pv. tabaci and Agrobacterium tumefaciens , respectively, was investigated.…
Unequivocal structural evidence of noncovalent interactions between π-acidic naphthalenediimides (NDIs) and anions has been elicited by X-ray crystallographic analysis of a zigzag coordination polymer involving Pd(II) ions and linear N,N′-di(4-pyridyl)NDI (DPNDI) ligands. Electrochemical studies show that the DPNDI/Tf…
A family of six n-channel organic semiconductors (1–6) based on the N,N′-dialkyl-2,3:6,7-anthracenedicarboximide (ADI) core was synthesized and characterized. These new semiconductors are functionalized with n-octyl (-n-C8H17), 1H,1H-perfluorobutyl (-n-CH2C3F7), cyano (–CN), and bromo (–Br) substituents, which results…
A highly crystalline and low bandgap donor polymer, EI-PFDTBT, is developed by inserting ethylene bridging units to ensure a coplanar configuration between the side chains and the main chain. Polymer solar cells based on the EI-PFDTBT and PC(71) BM blends spincoated at elevated temperatures exhibit a power conversion…
A novel mixed-ligand 3D metal-organic framework (MOF), {Zn(2)(TMTA)(bipy)(0.5)(H(2)O)(2)·NO(3)·2DMF·H(2)O}(n) (1) (H(3)TMTA = 4,4',4''-(2,4,6-trimethylbenzene-1,3,5-triyl)tribenzoic acid, bipy = 4,4'-bipyridine, DMF = dimethylformamide), was constructed based on bipy-pillared honeycomb bilayers and showed the unusual…
In this manuscript, two chloro-substituted derivatives of indolo[3,2-b]carbazole (ICZ), 2,8-dichloro-indolo[3,2-b]carbazole (CICZ) and 2,8-dichloro-5,11-dihexyl-indolo[3,2-b]carbazole (CHICZ) were designed and synthesized. The only difference between CICZ and CHICZ is at the N-5 and N-11 positions with or without long…
We report the characterization and solution chemistry of a series of Fe(II) complexes based on the pentadentate ligands N4Py (1,1-di(pyridin-2-yl)-N,N-bis(pyridin-2-ylmethyl)methanamine), MeN4Py (1,1-di(pyridin-2-yl)-N,N-bis(pyridin-2-ylmethyl)ethanamine), and the tetradentate ligand Bn-N3Py (N-benzyl-1,1-di(pyridin-2…
Brønsted acidic ionic liquids, supported on silica gel, have been used effectively in oligomerisation of isobutene. The supported catalysts could be used several times without loss of activity or change in selectivity. The ratio of the products could be influenced by the proper choice of the ionic liquid component of…
Where is the radical? The π-system of the diiminobenzene bridge adds a putative oxidation site to prophenoxyl copper(II) salophen complexes. It is shown that the bridge is effectively redox active and that the radical site (phenoxyl vs. diiminobenzene bridge) in the above cations is tuned by selective methoxy substitu…
A facile way for the synthesis of LiFePO4 composite using a solution combustion technique based on the glycine–nitrate process with inexpensive iron (III) as the raw material is introduced. Pure phase LiFePO4 was obtained at an optimal glycine to LiFePO4 ratio of 4:1. To further increase the electrode performance, suc…
Oxidative dehydrogenation of ethylbenzene to styrene has been studied with vanadium-incorporated mesoporous nanocrystalline titania (Ti1−xVxO2) and molecular oxygen between 440 and 530 °C. Incorporation of V in TiO2 lattice framework has been achieved by simple solution combustion method. Incorporation of V in TiO2 la…
Impeller-like helical DNA–silica complexes (see picture; green: silica) were synthesized in the presence of magnesium ions (a). DNA chiral packing and corresponding macroscopic helical morphologies are tuned by the change of reaction temperature, pH value, and molar ratio (b) of the quaternary ammonium (yellow)/phosph…
The optimization of effective potentials is of interest in density-functional theory (DFT) in two closely related contexts. First, the evaluation of the functional derivative of orbital-dependent exchange-correlation functionals requires the application of optimized effective potential methods. Second, the optimizatio…
A three-dimensional (3D) porous coordination polymer, [Pb(4-bpdh)(NO3)(H2O)]n (HMTI-1), has been synthesized under microwave-irradiation (MW) of identical reaction mixtures of Pb(II) salt and 2,5-bis(4-pyridyl)-3,4-diaza-2,4-hexadiene (4-bpdh) at different powers. The microwave synthesis of HMTI-1 has been compared to…
Hybrid nanostructures with controlled morphology and tunable compositions are of vital significance to both fundamental studies and practical applications. A novel core–shell heterostructure of α-Fe2O3@SnO2/Au ternary hybrid nanospindles has been successfully fabricated, which were composed of α-Fe2O3 nanospindles as…
The equilibrium solid-state structure, electronic structure, formation enthalpy, chemical bonding, and optical properties of IRMOF-10 and its alkaline earth metal analogues M-IRMOF-10 (M = Cd, Be, Mg, Ca, Sr, Ba) have been investigated with density functional calculations. The unit cell volume and atomic positions wer…
A series of pyridine-based derivatives of the antimetastatic Ru(III) complex imidazolium [trans-RuCl(4)(1H-imidazole)(DMSO-S)] (NAMI-A) have been synthesized along with their sodium-ion compensated analogues. These compounds have been characterized by X-ray crystallography, electron paramagnetic resonance (EPR), NMR,…
Abstract We present a set of Coulomb point charges and van der Waals parameters for molecular dynamics simulations of interfaces between natively deprotonated amorphous SiO2 surfaces and liquid water, to be used in combination with standard biomolecular force fields. We pay particular attention to the extent of negati…
A standardized willow bark extract (STW 33-I) has been examined to clarify its possible mechanism of action as an anti-inflammatory agent. Various facets have been investigated in two inflammation models: the 6-day air pouch model in rats, representing the acute state and the adjuvant induced arthritis representing th…
Elaborate positioning of nanowire arrays can be generated upon highly adhesive superhydrophobic pillar-structured silicon substrates. The site of each nanowire can be precisely positioned by well designed tip-structured micropillars, yielding on-demand nanowire patterns. This approach might affect existing application…