Materials Literature
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A simple and low cost urea-assisted auto-combustion route was investigated for the synthesis of carbon coated CoO nanocomposite. CHN analysis determined the carbon content in CoO/C nanocomposite to be very low as 0.27 wt%. The results show that the CoO/C nanocomposite electrode displays marked lower charge transfer re…
Peel films of blends of low density polyethylene (LDPE) and random isotactic copolymers of butene‐1 with either ethylene (iPB‐Eth) or propylene (iPB‐Prop) were investigated regarding the effect of the copolymer composition on both the Form II mesophase to Form I crystal transformation of the copolymers, and the time‐d…
In this paper we demonstrate evidence of a cluster spin glass in Tb₁₁₇Fe₅₂Ge₁₁₃.₈(₁) (a compound with a giant cubic unit cell) via ac and dc magnetic susceptibility, magnetization, magnetic relaxation and heat capacity measurements. The results clearly show that Tb₁₁₇Fe₅₂Ge₁₁₃.₈(₁)) undergoes a spin glass phase transi…
The viscoplastic behaviour of magnesium alloys at high temperatures leads to highly temperature-dependent mechanical properties. While at high strain rates a notable strain hardening response is observed, at low strain rates the material shows a smooth plastic response with negligible amount of hardening. This complic…
The main purpose of this work is to establish a method of elemental analysis by Proton-Induced X-ray Emission (PIXE) technique on thick samples. Our study has been carried out at Hanoi University of Science (HUS) using a 5SDH-2 Tandem accelerator. The X-ray spectra were measured by a Si(Li) detector (FWHM = 139 eV at…
In this paper, the novel poly(lactic-co-glycolic acid)-F127 nanospheres (PLGA-F127 NSs) were synthesized and used to establish an amperometric glucose biosensor that can be applied in whole blood directly. This property of glucose biosensor was based on the antibiofouling property of PLGA-F127 NSs. More details of pre…
Gold catalysts supported on alumina (Au/Al2O3) and zinc oxide/Al2O3 (Au/ZnO/Al2O3) were prepared by deposition-precipitation with ammonium bicarbonate, and were characterized by nitrogen gas adsorption, X-ray diffraction, transmission electron microscopy, X-ray photoelectron spectroscopy, and temperature programmed re…
Electrodeposition of different metals and alloys is popular for corrosion resistance because of the major problems that persist with corrosion. Two major alloys of Cu-Ni, 70-30 and 90-10, have been evaluated for corrosion protection on a stainless steel substrate. Copper and copper alloys are commonly used in marine e…
The presence of a direct band gap and an ultrathin form factor has caused a considerable interest in two-dimensional (2D) semiconductors from the transition metal dichalcogenides (TMD) family with molybdenum disulphide (MoS2) being the most studied representative of this family of materials. While diverse electronic e…
This article is aimed at investigating the effect of a calcined kaolin filler (CKao) on polyethylene terephthalate (PET). The influence of a silane coupling agent, chain extension, and post extrusion uniaxial hot‐stretching on the final properties of the produced composites were studied as well. PET‐CKao films were pr…
In undergraduate E&M courses the magnetic field due to a finite length, current-carrying wire can be calculated using the Biot-Savart law.1 However, to the author's knowledge, no textbook presents the calculation of this field using the Ampere-Maxwell law: ∮B·dl=μ0I+ε0dΦdt.1
The preparation of poly(isobutylene) (PIB) nanoparticles via cationic emulsion polymerization is presented. As a requirement, an oil-in-perfluoroalkane nonaqueous emulsion is developed, which is inert under the carbocationic polymerization conditions. To stabilize the dichloromethane/hexane droplets in the fluorinated…
An electrode modified with a film of aminophenyl grafted gold nanoparticles (AP-AuNPs) was used for the simultaneous determination of the neurotransmitters dopamine (DA) and adenosine (AD) in the presence of the neuroprotector guanosine (GN) at physiological pH. A bare glassy carbon electrode was unable to resolve the…
We present plasmonic thermo-optic (TO) switches made of compact Cu-dielectric-Si hybrid plasmonic waveguide ring resonators (WRRs), which offer high tuning efficiency and fast switching speed by placing a metal heater closely above the Cu cap and choosing a material with high TO coefficient as the sandwiched dielectri…
The reaction of CpFe(CO)2TePh (I) with ferricinium hexafluorophosphate as an oxidant affords ionic complex {[CpFe(CO)2]2(μ-TePh)}+PF 6 − (II) with the simultaneous formation of diphenylditellurium. The decarbonylation of compound II by Me3NO followed by the addition of complex I affords trinuclear complex {[CpFe(CO)2(…
Thymosin‐β4 is a peptide found at high concentrations in a wide range of mammalian cells. It has been shown to be elevated in metastatic cells. In this study, the surface‐enhanced Raman spectrum of thymosin‐β4 was obtained using a silver nanorod array surface‐enhanced Raman scattering substrate. Significant Raman peak…
Pearlitic microstructure can be obtained when austenite of eutectoid composition is slowly cooled from high temperature to below the Ae3 temperature. It is also possible to induce such structure in hypo-eutectoid composition of austenite through proper heat treatment as well. However, in the current work, one hypo-eut…
This article is part of the Research Topic Biomaterials and Bioactive Molecules to Drive Differentiation in Striated Muscle Tissue Engineering
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Up to now, all the diffusion theories have shown that the direction of diffusion flux is from high concentration area to lower concentration area (forward diffusion) and diffusivity is positive. In some research on simultaneous diffusion of boron and point defects in Si, the results show that the diffusivity of inters…