The growth of Cr-doped rutile TiO₂(110) homoepitaxial single crystal thin films was investigated using pulsed laser deposition (PLD) method. Surface morphology and electronic structure were characterized using scanning tunneling microscopy/spectrosco...

Tremendous progress has been made in non-contact atomic force microscopy (NC-AFM) recently. The spatial resolution of NC-AFM imaging and spectroscopy of individual molecules on surfaces has reached true atomic resolution and bond differentiation leve...

n-Decane is a component of commonly used fuels, but so far studies into its pyrolysis mechanism are rare and the few existing mechanisms are inconvenient to use owing to their large scales. A small-scale chemical kinetic model (Mech33) for describing...

We investigated the field-dependent magnetic properties of chiral alanine crystals, especially associated with the electronic orbital motions. Based on the chirality of the zwitterionic model (⁺NH₃-C(CH₃)H-CO₂^-), and the helicity of the lattice struc...

Calorimetry is a direct experimental method that can be used to study the thermodynamics of weak interactions between surfactant molecules, allowing the energetic parameters of such interactions to be obtained. In this work, a nano-isothermal titrati...

Four isostructural heterobinuclear Zn-Ln (Ln=Eu or Tb) complexes are prepared through the self-assembly of benzimidazole derivatives 2-(2-hydroxy-3-methoxyphenyl)benzimidazole (HL¹) or 2-(5-bromo-2-hydroxy-3-methoxyphenyl)benzimidazole (HL²) with Zn(...

The mechanisms of the Reduning injection on the influenza virus were studied by computer methods at the molecular level, including docking and network analysis. A neuraminidase (NA) activity assay was used to verify the predicted results in vitro. Re...

Density functional theory (DFT) calculations have been performed to explore the molecular structure, electronic structure, and O－H bond dissociation enthalpy of myricetin. Possible antioxidation mechanisms between lipid peroxide radical CH₃OO· and my...

The structural, electronic, and magnetic properties of Ti_nO₂ and Ti_nO₂^- (n=1-10) clusters are studied using density functional theory with the B3LYP hybrid density functional. The calculated geometries show that the two dissociative oxygen atoms rema...

The geometries of the ground and excited states of titanium dioxide, ¹A₁, ¹B₂, ³B₂, ¹B₁, ³B₁, ¹A₂ and ³A₂, have been optimized using Møller-Plesset second-order perturbation theory, density functional theory B3LYP, and time-dependent density function...

A heptamethine cyanine dye containing an organoselenium functional group is a near-IR fluorescent probe that operates based on photoinduced electron transfer (PET). This probe can be used for highly sensitive and selective monitoring of peroxynitrite...

The activity of a pyromellitimide-bridged polyphthalocyanine Fe(II) catalyst for O₂ reduction is studied by density functional theory calculations. Three model molecules with different polymerization degrees are designed to investigate O₂-reduction e...

Para-xylene is an important petrochemical that can be produced by the methylation of toluene. Here, the mechanism of toluene methylation with dimethyl carbonate (DMC) or methanol catalyzed by H-ZSM-5 was studied using the“our own N-layered integrated...

A simple galvanostatic electrodeposition method was used to synthesize an active Ni-Sn electrode on a Cu foil substrate. Characterization by high-resolution transmission electron microscopy (HRTEM), energy-dispersive spectroscopy (EDS), and X-ray dif...

Nano-WO₃ modified carbon nanotube supported Pt nanoparticles (Pt/WO₃-CNTs) with uniform dimension were prepared by impregnated precipitation method, and Pt nanoparticles were loaded on the surface of WO₃-CNTs by means of microwave-assisted glycol met...

Microporous carbon was prepared using a novel procedure based on a zinc(II)-organic coordination polymer. The polymer was prepared through the coordination interaction of zinc ions with tartaric acid, and then it was introduced into the open networks...

In the present work, NiCo₂O₄ nanowires grown directly on carbon fibers self-organize into a nanoflower morphology. The materials are prepared by hydrothermal treatment and subsequent low-temperature annealing. Field emission scanning electron microsc...

LiFePO₄/C composite was prepared by two-step synthesis route, with LiH₂PO₄ and FeC₂O₄· 2H₂O as starting materials. In the process, the carbon sources polyvinyl alcohol (PVA) and glucose were added in a stepwise fashion. The well-crystallized LiFePO₄/...

Poly(aryl ether ketone)/sulfated poly(vinyl alcohol) (S-SPAEK/SPVA) composite membranes with different mass fractions of SPVA were prepared by solution casting using highly sulfonated side-chaintype sulfonated poly(aryl ether ketone) and sulfated pol...

Fe₃O₄ nanoparticles with a highly symmetric octadecahedral nanobox structure were fabricated using β-cyclodextrin as a protection agent. A series of composites (CM-1-CM-4) of polyethylene glycol (PEG) and Fe₃O₄ nanoparticles with different initial ma...

The rheological behavior of carboxylate gemini surfactant O,O'-bis(sodium 2- tetradecylcarboxylate)-p-dibenzenediol (referred to as C₁₄Φ₂C₁₄) with a concentration of 140 mmol·L^-1 in aqueous solution in the presence of 100 mmol·L^-1 NaBr was investigat...

Column and batch adsorptions of As(V) on TiO₂ particles were conducted to investigate the influence of adsorption mode on metastable-equilibrium adsorption. Under the same thermodynamic conditions, a fixed amount of As(V) was added to both column and...

To investigate the adsorption properties and roles of different feed gases in the selective catalytic reduction by ammonia (NH₃-SCR), the adsorption sites, strength, and amount as well as reaction rates of NH₃ and NO_x (a mixture of NO and NO₂) on exc...

An SrB₂O₄/SrCO₃composite catalyst is synthesized by the simple sol-gel method. Reduction of carbon dioxide into methane in the presence of water is used to evaluate the photocatalytic activity of the composite catalyst. SrB₂O₄/SrCO₃exhibits better ph...

Single crystals of anatase TiO₂ with exposed (001) and (101) facets were synthesized by a hydrothermal method. We carried out photocatalytic reduction reactions to deposit noble metals (Au, Ag, and Pt) and photocatalytic oxidation reactions to deposi...

The asymmetric hydrogenation of aromatic ketones catalyzed by cinchona- and triphenylphosphine (tpp)-modified Ir/SiO₂ was studied. The heterogeneous enantioselective hydrogenation of heterocyclic ketones using a supported iridium catalyst was also in...

We prepared few-layer graphene samples by liquid-phase exfoliation in ethanol. By controlling the solvent temperature, sonication time and power, and centrifugation speed and time, we fabricated several-layer graphene from highly oriented pyrolytic g...

Nanoporous silicon nitride membranes are fabricated by combining polystyrene colloidal lithography with Micro-Electro-Mechanical Systems, and then freestanding bilayer lipid membranes are constructed across the nanopores by the vesicle method. The to...

Stainless steel (AISI 316L) is commonly used as a material in medical devices. Modification of the metal surface with bioactive molecules and/or nanoparticles to develop next-generation smart biomaterial, e.g., cardiovascular stents, has recently att...

The microscopic structure and properties of the interfacial regions in nanocomposites considerably affect the dielectric properties such as dielectric constant, dielectric loss, and breakdown strength. In this paper, we developed a method based on el...