Polysaccharides are naturally occurring, nontoxic, safe, and abundant. However, the properties and functions of polysaccharides can be improved by mixing them with surfactants because of synergistic effects between them. The association of surfactant...

Increased water solubility of molybdenum trioxide (MoO₃) induced by β-cyclodextrin (CD), with solubility dependent on β-CD concentration is reported. The dynamic equilibrium established between MoO₃ precipitation and dissolution shifted towards disso...

The dissolution and thermochemical properties of potassium styphnate [K₂(TNR)(H₂O)]_n and cesium styphnate [Cs₂(TNR)(H₂O)₂]_n in water and N,N-dimethylformamide (DMF) at 298.15 K were studied by calorimetry. The processes are endothermic in water, and ...

Spontaneous symmetry breaking of the N⁺H…O bond in chiral alanine crystals around 270 K was detected in situ by Raman vibrational scattering with b(cc)b geometry. An electron spin-flip transition of the N⁺H…O mode in D-/L-alanine was observed by the ...

The thermal stability and autocatalytic decomposition of 2,4-dinitrotoluene (2,4-DNT) is investigated under dynamic and isothermal conditions using differential scanning calorimetry (DSC). The temperature range of initial exothermic temperature (T₀) ...

Intensity difference between odd- and even-numbered cluster ions is one of the characteristics of phosphorus clusters. Generally, for the clusters with cluster ion size n>25, intensities of odd-numbered cluster ions are much higher than those of thei...

A periodic interaction model with different intercalated anions (X=F^?, Cl^?, Br^?, I^?, NO₃^?, OH^?) is proposed for the CuZnMgAl quaternary hydrotalcites (CuZnMgAl-X). Based on density functional theory, the CuZnMgAl-X geometry was optimized using the CA...

Absolute weight values estimated from test data by ridge regression (RR) can reflect the significance of corresponding features. Based on RR and support vector machine (SVM), a new feature selection al rithm for high-dimensional data is proposed. Exa...

Accurate prediction of molecular acidity with ab initio and density functional theory approaches is of great interest, but remains a challenging task. Density functional reactivity theory (DFRT) with quantum descriptors, such as molecular electrostat...

SO₄^2? doped polyaniline (PANI) counter electrodes (CEs) on fluorine-doped tin oxide (FTO) glass substrates were fabricated, using electrochemical method under constant bias for different polymerization time. The effect of polymerization time on surfa...

A method of utilizing p-π conjugation effects for obtaining low-viscosity ionic liquids is presented. p-π conjugation effectively disperses anionic charge and reduces Coulombic interactions. Ionic liquids prepared in this study were 1-ethyl-3-methyli...

Cu₂S counter electrodes were prepared from the metal chalcogenide complex precursor using a novel method. A porous TiO₂ nanoparticle film and TiO₂ nanorod array photoanode were also fabricated. The corresponding CdS/CdSe-sensitized solar cells with t...

Trollius chinensis pigment was extracted, and ultraviolet-visible (UV-Vis) absorption and Fourier transform infrared (FTIR) spectroscopy confirmed that anthocyanin compounds were the main components. Dye sensitized solar cells (DSCs) were sensitized ...

Three-dimensional (3D) hierarchical CNTs/ /S ternary composites were prepared by solution-based reaction-deposition, using graphene oxide ( ) and carbon nanotubes (CNTs) as precursors. Scanning electron microscopy (SEM) and transmission electron micr...

Electrochemical oxidation of 3-bromobenzoic acid (3-BBA) on a Pt electrode in alkali solution was studied by cyclic voltammetry and in situ Fourier transform infrared (FTIR) spectroscopy. The Pt electrode exhibited od performance for the electrooxid...

The performance of proton exchange membrane fuel cell (PEMFC) was simulated with a microstructure lattice model of the catalyst layer, including the effect of liquid and gaseous water. Comparisons of simulations where liquid water was and was not fac...

The wetting behavior of poly(methyl methacrylate) (PMMA) surfaces by aqueous solutions of cationic surfactants, hexadecanol glycidyl ether ammonium chloride (C₁₆PC), hexadecanol polyoxyethylene (3) glycidyl ether ammonium chloride (C₁₆(EO)₃PC), and z...

BiPO₄ nanorods were synthesized by reflux, and the effect of reaction time, reactant ratio and concentration, and pH value on BiPO₄ crystal structure and morphology was investigated. Nanorods were characterized by X-ray diffraction (XRD), transmissio...

Carbon and nitrogen co-doped TiO₂ hollow spheres (CNTHs) were synthesized by hydrothermal treatment of titanium carbonitride (TiCN) in a mixture of H₂O₂, HF, ethanol, and water. CNTHs were characterized by X-ray diffraction (XRD), scanning electron m...

Magnetically graphitic mesoporous carbon (Fe/GMC) was synthesized, using SBA-15 as a template and sucrose as a carbon source, with the assistance of ferric nitrate impregnation. The properties of the products were characterized using powder X-ray dif...

Introducing surfactants including hexadecyltrimethylammonium bromide (CTAB), macro l 6000 (PEG6000), and poly(ethylene glycol)-block-poly(propylene glycol)-block-poly(ethylene glycol) triblock copolymer (P123) into the refluxing aqueous crystal nucle...

A series of Ba_1-xM_xFeO₃ (M=Mg, Ca, Sr; x=0, 0.1, 0.2) perovskites were prepared by the sol-gel method as NO_x storage reduction (NSR) catalysts. The effect of doping with alkaline earth metals (Mg, Ca, and Sr) on the NO_x storage and oxidation performa...

A poly(dimethylsiloxane) (PDMS) stamp was electrolessly plated using a cyanide-free solution. ld nanoparticles (AuNPs) were transferred from the PDMS stamp to indium tin oxide (ITO), (3- mercaptopropyl) trimethoxysilane modified ITO (MPTMS/ITO), and...

Ionic liquids 1-alkyl-3-methylbis(trifluoromethylsulfonyl)imide ([C_nmim][NTf₂]) are promising separating reagents in the nuclear fuel cycle. Their chemical structure changes slightly when exposed to γ radiation, but the apparent darkening of [C_nmim][...

Diagnosis of emission spectroscopy on chemical vapor deposition (PCVD) of TiO₂ with atmospheric-pressure radio frequency (RF) plasma was studied. The dependences of relative intensity of atomic oxygen line, Ar excitation temperature, OH rotational an...

Understanding the effect of temperature on the orientation, microstructure, integrity, and growth mechanism of ZnO films on the atomic scale is needed to clarify the process of film growth, control deposition conditions, and improve film quality. Usi...

Ordered naphthalene-bridged hybrid periodic mesoporous organosilicas (PMOs) were synthesized by co-condensation of 2,7-bis(3-triethoxysilylpropylaminocarbonyloxy) naphthalene (NIS) and tetraethoxy orthosilane (TEOS) using cationic trimeric surfactant...

Macroporous SiO₂ monoliths were prepared via a sol-gel process accompanied by phase separation using a tetramethoxysilane (TMOS) precursor, 0.01 mol·L^-1 HCl catalyst, propylene oxide (PO) gelation agent, and poly(ethylene oxide) (PEO, viscosity-avera...

Aqueous phase Cu doped ZnSe (ZnSe:Cu) quantum dots (QDs) stabilized with mercaptopropionic acid were prepared, and thiourea was used as a surface modifier to obtain core-shell ZnSe:Cu/ZnS QDs. QDs had a sphalerite structure, were uniformly dispersed,...

Titania/graphite oxide (TiO₂/ ) nanocomposites were obtained from a facile in-situ method using titanium tetrachloride (TiCl₄) and . Nanocomposite structures and properties were characterized by Fourier transform infrared (FTIR) spectroscopy, X-ray ...