We report the organization of polymer-dispersed liquid crystals (PDLCs) into ordered concentric rings over large areas by drying a drop of bound PDLC toluene solution (i.e., confined between a spherical lens and an indium tin oxide (ITO)-coated glass...

The inhibition of steel corrosion in hydrochloric acid solutions by limonene, which was extracted from citrus and orange fruit, was studied using measurements of mass loss, electrochemical polarisation and electrochemical impedance spectroscopy (EIS)...

Three-dimensional structure model of M1 receptor was built through homology modeling. Mreceptor full a nist acetylcholine (ACh) and M1 receptor selective a nist xanomeline were docked into the model protein to form receptor-ligand complexes. Those co...

It has been found that the mechanical properties of solid propellants and plastic bonded explosives (PBX) depend heavily on the compatibility of the polymer binder and plasticizer used in their formulation. Two systems, one miscible and the other imm...

Host-guest interactions of β-cyclodextrin (β-CD) with enantiomers of ethyl α-chloropropionates ((R/S)-ECPA) were simulated using the quantum mechanics PM3 method. The chiral recognition mechanism of (R/S)-ECPA enantiomers on β-CD was investigated. Mo...

A spinel lithium manganese oxide doped with nickel (LiNi0.05Mn1.95O4) was prepared by a sol-gel method using acetic lithium, nickel and manganese as rawmaterials. The lithiumion-sieve (denoted as LiNiMn-H) was obtained by acidification of the obtaine...

We hope to improve the biological activity and the osteo-conductivity of a porous polymer scaffold by the deposition of a hydroxyapatite (HA) coating.We used an alternate soaking deposition method to prepare HAcoating. A massive chitosan (Cs) porous ...

Rhodopsin is a membrane protein and its retinal (RET) active binding sites are related to the process of vision and the pathology of some ophthalmic ailments. Based on the bovine rhodopsin crystal structure (PDB code: 1U19), computations were perform...

The micellization behavior of the nonionic surfactant Triton X-100 (TX100) and the cationic cetyltrime-thylammonium bromide (CTAB) binary mixtures was investigated in ethylene glycol (EG) and water mixtures using a tensiometric technique. We show tha...

After TiO2 nanoparticles were surface modified by the coupling agent anilinomethyltriethoxysilane (AMTES-TiO2), polyaniline (PANI) was grafted onto the surface of the AMTES-TiO2 nanoparticles by in situ chemically oxidative polymerization resulting i...

Shenfu Dongsheng (SD) coal liquefaction is a critical part for the energy diversification strategy in China. However, because of the unique behavior of Chinese western coal macerals during the liquefaction process, no theory exists that explains the ...

We discuss the synthesis and characterization of 3',4'-bis(p-benzoylphenylmethoxy)yl-4-nitrostilbene (C1). Ultraviolet and fluorescence spectroscopy was used to investigate its behavior in various solvents. Results showed that the visible absorption ...

By constructing a mesoscopic stochastic model for intracellular calcium oscillations in coupled cell system, we investigated the influence of internal noise on the detection of weak stimulation using the chemical Langevin equation (CLE). We found tha...

Electrochemical impedance spectroscopy (EIS) and polarization curves were used to study the adsorption and corrosion inhibition of sodium dodecylbenzenesulfonate (SDBS) on AZ31 magnesium alloy in 3.5% (w, mass fraction) NaCl corrosive medium. Results...

A copper(core)-nickel(shell) nanostructure was synthesized by porous anodic aluminum oxide template (AAO) combined with electrochemical deposition according to a new two-step method, i.e., the copper nanowire core was prepared first and then the AAO ...

The interaction between zidovudine (ZDV) and bovine serum albumin (BSA) was investigated by fluorescence spectroscopy and ultraviolet-visible spectroscopy in aqueous solution (Tris-HCl buffer, pH 7.1). The effect of metal ions (Cu2+, Mg2+, Zn2+) on t...

TiO2/MCM-41 composites with various titania content were prepared by loading titania into the mesopores of MCM-41 molecular sieves via the sol-gel method. TiO2/MCM-41 composites were characterized by X-ray diffraction(XRD), N2 adsorption, ultraviolet...

The adsorption of formate (HCOO) on Cu(110), Ag(110), and Au(110) surfaces has been studied by the density functional theory (DFT) and generalized gradient approximation (GGA) with slab model. To find the most stable adsorption site of HCOOon M(110) ...

The micelle shape transformation of tert-octylpheny phenol polyethylene glycol ether (TX-100), sodium dodecyl benzene sulfonate (SDBS) and tetradecyl trimethyl ammonium bromide (TTAB) in heavy water solutions was studied by 1H nuclear magnetic resona...

Structures of the mononuclear complex Ir(CO)Cl(Ph2Ppy)2(1), binuclear complexes Ir(CO)(Cl)2(Ph2Ppy)2·HgCl (2), Ir (CO)Cl (Ph2Ppy)2HgCl2 (3), and Ir (CO) (Cl)2 (HgCl2) (Ph2Ppy)2HgCl (4) were optimized using the density functional theory (DFT) PBE0 met...

Melamine is an important precursor of induced stones in the human kidney. Using density functional theory (DFT), conceptual DFT and time-dependent (TD) DFT, the structure, spectroscopy and reactivity properties of melamine (L) and its metal complexes...

Grand canonical Monte Carlo and molecular dynamics simulations were used to study the adsorption and diffusion of oxygen in polypropylene (PP). It is found that at roomtemperature, the loading of oxygen in PP increases and the diffusion coefficient o...

We used molecular docking software LD to investigate the binding mode of corydaline, a type of cordalis alkaloid, with acetylcholinesterase and to screen a series of open ring derivatives with different carbon linkages and different substituent grou...

Antimony doped tin dioxide coated electrodes (Ti/SnO2-Sb2O5) on Ti substrates were prepared by the brush coating thermal decomposition method. Preparation conditions, structure, electrochemical characterization and service life of Ti/SnO2-Sb2O5 elect...

An experimental procedure is presented for the synthesis of crouching hedgehog-like and core/shell AlOOH microspheres by a one-step hydrothermal process in an aqueous solution of trisodium citrate at 200 ℃. The structure, morphology, purity and size ...

Three CeO2 materials were prepared with precipitation (A), hydrothermal route (B) and citrate sol-gel (C) methods, and then used as the support of CuO/CeO2 catalysts, which were prepared by a deposition-precipitation method and examined with respect ...

We developed a low temperature solvothermal approach to synthesize single crystal silver nanoplates with edge lengths of 1-4 μm, thicknesses of 50-100 nm and aspect ratios ≥10 in a large-scale. In this solvothermal approach, N,N-dimethyllformamide (D...

The dielectric relaxation behavior of the sodiumdodecyl benzene sulfonate (SDBS) surfactant was investigated in a concentration range from0.1 to 80 mmol·L-1 by dielectric relaxation spectroscopy (DRS) method. Near the critical micelle concentration (...

(Ce0.9Nd0.1)1-xMoxO2-δ(x=0.00, 0.02, 0.05, 0.10) were prepared by a modified sol-gel method. Sample structures were characterized by X-ray diffraction (XRD) and field-emission scanning electron microscopy (FESEM). The ionic conductivity was systemati...

The oxidation behavior of iodide ion on platinumelectrode in sulfuric acid media was investigated by the technique of cyclic voltammetry. The electrochemical performance showed that the electrochemical reaction of 2I--2e→I2 occurred when the potentia...

Using 13C solid-state nuclear magnetic resonance(NMR) we studied the structures of two spidroin-like polymers which were synthesized by the polymerization of polyalanine ((Ala)5) with oli mers of polystyrene(PS, MW=2000) and polyisoprene(PI, MW=2210)...

A nano-TiO2 film electrode loaded with Pt nanoparticles (Ti/nanoTiO2-Pt) was prepared by a sol-gel method and electrochemical deposition technique. The formation of an anatase phase of TiO2 was confirmed by X-ray diffraction (XRD). Scanning electron ...

We found an alternative method for the derivation of transition state structure energy in chemical reactions which would be less dependent on the starting geometry of reactants by combining a mathematical tool and artificial neural networks (ANN) wit...

α-Al2O3 nanoflakes with od dispersion and uniform size were controllably synthesized using a self-burning method under similar conditions and with aluminum nitrate and glycin as raw materials. Product structure was studied by transmission electron m...

Equilibria between square planar and pseudo octahedral species of the mixed diamine/β-diketonate Ni(II) complex ([Ni(II)(Me4en)(acac)]ClO4) in four kinds of alcoholic solvents were investigated by means of Vis-spectra. Equilibriumconstants and thermo...

A carbon nanofiber (CNF) covered alumina composite of tri-lobular shape was synthesized by catalytic chemical vapor deposition using Ni as catalyst and ethylene as carbon source. Its morphology and microstructure, textural and mechanical properties, ...

The H6P2W18O62/TiO2 (Brij-76) composite was prepared by a combination of the nonionic surfactant polyethylene glycol octadecyl ether polyoxyethulene 10 stearyl ether (C18H37(OCH2CH2)10OH)(Brij-76) as the template and a single-step sol-gel-hydrotherma...

Without anyorganic additives andmetal ions, hollowhydroxyapatite (HAp)microsphereswere successfully synthesized using hollow CaCO3 microspheres and Na2HPO4 as reactants. The hollow microspheres were characterized by scanning electron microscopy (SEM)...

Electron transfer through organic molecules is affected by several factors. The influence of electrodes, the interface between the organic molecule and electrodes, the environment and the molecular structure should be considered. In this paper, we re...