Materials Literature
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Cyclodextrins (CDs) are intriguing amphiphilic molecules that consist of a hydrophilic outer structure and a hydrophobic core with the ability to act as hosts for both nonpolar and polar guests. Electrospinning is a facile yet effective method for producing non-woven mats of fibers with high aspect ratios. Cyclodextri…
We present the synthesis of highly anisotropic nickel nanowires (NWs) and large area, free-standing carpets extending over cm(2) area by simple solution phase chemistry. The materials can be post-synthetically manipulated to produce hybrid tubes, wires, and carpets by galvanic exchange reactions with Au(3+), Ag(+), Pt…
We have critically compared graphene and graphene oxide as materials for utilisation as supercapacitors indicating that the former exhibits a larger capacitance over the latter which has implications for those fabricating supercapacitors.
The urchin-like Bi2S3 spheres and CuS/Bi2S3 composite nanowires have been fabricated through a soft chemical route without the assistance of any templates or surfactants. The resulting samples are characterized by scanning electron microscopy, transmission electron microscopy, powder X-ray diffraction, Raman spectrosc…
A series of glasses were prepared by rapid melt quench method in the glass system (65-x)[(Ba0.6Sr0.4)TiO3]-30[2SiO2-B2O3]-5[K2O]-x[La2O3] (x = 0, 1, 2, 5 and 10). X-ray diffraction of glass samples were carried to check its amorphousity. Density of glass samples were measured using Archimedes principle. The refractive…
The combination of two heteroaromatic boronic acids with pentaerythritol gave self-complementary tectons which were suitable for the generation of 2D and 3D molecular networks.
Mesoporous slit-structured NiO materials were prepared through a simple hydrothermal route with sodium dodecyl benzene sulfonate (SDBS) as an additive. The as-prepared NiO samples presented high specific capacitance of over 1700 F g(-1) in the potential range from 0.10 to 0.56 V (vs. Hg/HgO/6 mol L(-1) KOH) at a const…
Apart from chemical molecules, physical regulations also greatly determine the efficiency of healing in regenerating functional tissues. In this study, we fabricated superparamagnetic nano-composite scaffolds for tissue engineering and investigated their effects on different bone cells without an external magnetic fie…
The continuous search for better corrosion inhibitors, due to vast differences in the media encountered in industry \nremains a focal point in corrosion control. The use of organic compounds to inhibit corrosion has assumed great \nsignificance due to their application in preventing corrosion under various cor…
Evaluation of the potential hazard of man-made nanomaterials has been hampered by a limited ability to observe and measure nanoparticles in cells. A FACSCalibur™ flow cytometer was used to measure changes in light scatter from cells after incubation with TiO(2) nanoparticle. Both the side scatter and forward scatter c…
Porous silicon (PS) layers were fabricated on n-type crystalline silicon (c-Si) wafers of (100) and (111) orientations using photoelectrochemical etching (PECE) process at etching time of 20 min, current density of 60 mA/cm2, and fixed electrolyte solution HF:C2H5OH (1,4). Moreover, PS layers fabricated on p-type c-Si…
By exerting sandblasting onto copper surfaces, we show that increasing the surface roughness can effectively promote CuO nanowire formation by significantly enhancing the nanowire growth density and length during the oxidation of copper. It is found that the enhanced nanowire nucleation and growth is associated with t…
I report a facile wet-chemical method for the synthesis of one-dimensional copper hydroxide nitrate nanostructures in 2-propanol under solvothermal conditions. Single-crystalline nearly monodispersed copper hydroxide nitrate nanorods and nanobelts with selected breadths in the range of 100 nm to 1 μm have been success…
This paper presents a general and feasible method for the fabrication of uniform hollow mesoporous nanocomposite silica spheres (HMNSs) loaded with functional nanoparticles (Au, Pt, Fe3O4, etc.) on their inner walls. In this approach, carboxylic-capped polystyrene (PS) spheres were first synthesized by a soap-free emu…
An [Fe(III)(biuret-amide)] complex has been immobilized onto mesoporous silica nanoparticles via Cu(I) catalyzed azide-alkyne click chemistry. This hybrid material functions as an efficient peroxidase mimic and was successfully used for the quantitative determination of hydrogen peroxide and glucose via a one-pot colo…
Hetero-structured interfaces of oxides, which can exhibit reactivity characteristics remarkably different from bulk oxides, are interesting systems to explore in search of highly active fuel cell catalysts for oxygen electrocatalysis. (001)-oriented La 0.6 Sr 0.4 CoO 3- δ (LSC60-40 113 ) thin films having thicknesses…
By means of first-principles calculations, we theoretically studied the structural stabilities and electronic properties of a pure-carbon 2D covalent metal named planar C(4) in P4/mmm (D(1)(4h)) symmetry. Planar C(4) is confirmed to be dynamically stable in the ground state based on phonon-mode analysis, and it is mor…
Phagocytosis or endocytosis by macrophages is critical to the uptake of fine particles, including nanoparticles, in order to initiate toxic effects in cells. Here, our data enhance the understanding of the process of internalization of silver nanoparticles by macrophages. When macrophages were pre-treated with inhibit…
A simple sample preparation method to obtain rich and reproducible surface-enhanced Raman scattering (SERS) spectra from proteins regardless of their surface properties and dimensions for label-free detection and identification is reported. The method uses colloidal silver nanoparticles (AgNPs) as substrates and is ba…
Fe–Ti–V spinel showed excellent SCR activity, N2 selectivity and H2O/SO2 durability at 250–400 °C, and an external magnetic field can effectively prevent the emission of a vanadium based catalyst to the environment due to its magnetization.