Materials Literature
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These studies show covalent attachment of multilayers (CAM) to chemically alter surfaces to achieve pH switchable antimicrobial and anticoagulant properties. Polyethylene (PE), poly(tetrafluoroethylene) (PTFE), and silicon (Si) surfaces were functionalized by tethering pH-responsive “switching” polyelectrolytes consis…
Hybrid electrochromic materials are a very important class of compounds, because they enable new and/or better optical and electrochemical properties to be unfolded. This paper reports the synthesis of the new V2O5.1.26H2O([C3N2(C6H7N)3])0.07 using the combination of two traditional methods, melting quenching and sono…
Comparing different synthesis methods to investigate ambient degradation differences among ZnO crystals with different crystal habits, we examined the effects of particle size, surface area, shape (surface polarity), and zeta (surface) potential. Neither surface polarity nor surface area, on their own, can account for…
Li-doped WO 3 nanowires have been hydrothermally prepared and characterized mainly via spectroscopic methods.
Oil pollution is peculiar to oil producing nations of the world. Various researches have been carried out to cub its menace. However, most of the materials are non-biodegradable and require expensive treatment to become an adsorbent. In this study, adsorptive capacities of cost effective raw hard and softwood sawdust…
Charge storage mechanisms in oxygen-functionalized, multiwall carbon nanotube (MWNT) electrodes fabricated by the Layer-by-Layer (LbL) self-assembly process were studied in two-electrode nonaqueous cells. In asymmetric cells with a Li metal or a lithium titanate (Li 4 Ti 5 O 12 ) negative electrode, double-layer charg…
Oriented and high-density n-type CdS nanorod arrays were successfully embedded in p-type PbS absorber layers by a facile and low-cost hydrothermal method and a chemical bath deposition method. The structural, optical and electrical properties of these samples were examined, and the results demonstrated that the high q…
Red-emitting Ca 3− x Eu x Zr 1− y Al y Si 2 O 9+( x − y )/2 (0.05 ≤ x ≤ 0.25, 0 ≤ y ≤ 0.07) phosphors were synthesized in a single phase form by the conventional solid-state reaction method and their photoluminescence properties were characterized. The charge-transfer efficiency from O 2− to Eu 3+ was controlled by th…
A polymer coating for corrosion protection of aluminum surfaces (AA 1050A) was evaluated, including styrene maleimide nanoparticles synthesized in aqueous dispersion by imidization of poly(styrene-co-maleic anhydride) in presence of vegetable oils (SMI/oil). Different nanoparticle coatings with mono- and poly-unsatura…
By using denatured bovine serum albumin (dBSA) molecules as multidentate ligands, surface-functionalized CdTe quantum dots (QDs) were synthesized and further evaluated for preparing fluorescent probes capable of detecting Epstein–Barr virus infection. The optical studies revealed that the dBSA coating effectively impr…
Current environmental benign and flame retardant poly (vinyl acetate) (PVAc)/montmorillonite (MMT) clay nanocomposites were prepared by emulsifier free emulsion technique in microwave (MW) oven. MMT clay was incorporated as additional filler in PVAc/MMT nanocomposites to improve the homogeneity of the ‘physical’ barri…
We study the dynamics of focal conic domain (FCD) formation in a thermotropic smectic phase under shear stress. It is known that increasing the shear stress induces a non-equilibrium phase transition from a smectic phase with FCDs (SmAI) to another smectic phase (SmAII) in which the layers are oriented. By quenching t…
Highly dispersed uniform Ni particles ranging in size from 0.1 to 1.2 μm were synthesized by reducing nickel carbonate in polyols in the presence of dipentaerythritol (DPE) and noble metal salts. DPE was essential in preventing the aggregation of nickel particles, while the noble metal (‘seeding’ approach) effectively…
The simple and selective immobilisation of a thermostable DNA polymerase on mesoporous silicas was achieved, and DNA amplification activity was retained under the pore-size regulation of the mesoporous silicas.
The monodispersed PDDA-stabilized Au nanospheres can be coated with a thin silica shell assisted by UV light irradiation.
Water diffusion in a sandwich-structured composite film on a Mg-Gd-Y alloy was experimentally investigated using electrochemical impedance spectroscopy (EIS). The composite film contained an inner integration layer and an outer fluorocarbon (FC) layer. The integration layer was prepared by depositing an environment-fr…
A monodisperse Pt/ceria hybrid with controlled nanoporous structure was fabricated with the aid of poly(glycidyl methacrylate- co -ethylene glycol dimethacrylate) microspheres as a hard template.
Metal-free phthalocyanine 3 and its metallophthalocyanine derivatives 4, 5, and 6 (M = Zn, Co, and Ni) substituted with four 21-membered pentathiadiaza macrocycles were synthesized and their structures identified by elemental analysis, IR, ^1H NMR, mass, and UV-Vis spectroscopy techniques. The aggregation properties o…
Poly(2-allyl-6-methyl-1,4-phenylene-co-2,6-dimethyl-1,4-phenylene oxide)s (allyl-PPOs) were synthesized through oxidative coupling copolymerization of 2,6-dimethylphenol and 2-allyl-6-methylphenol in water. The copper(II)/ethylene diamine tetraacetic acid (Cu(II)/EDTA) complex catalyzed copolymerization was conducted…
Sn NPs with well-defined sizes in the range 20–100 nm have been synthesized using a chemical reduction route of metal acetylacetonate by a dimethylamine–borane Lewis complex.