Materials Literature
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1-D ZnO NAs with controllable density and diameter have successfully been synthesized and found potential applications in silver trap construction.
The influence of the short alkyl-chain ionic surfactant OTAB on the dynamic behavior of an inverse block copolymer-rich lamellar phase was investigated by neutron spin-echo spectroscopy (NSE). The observed intermediate scattering function can be described by a sum of two contributions. For high scattering vectors the…
The surface of mesocellular silica foam (MCF) was modified by grafting 3-aminopropyl-triethoxysilane (APTES) to have a positive charge, and thus to provide sites for the immobilization of H_3PW_{12}O_{40} (PW_{12}). This modified nanosized mesoporous silica (PW_{12}-APTES@MCF) was characterized by FTIR, XRD, BET, and…
Magnetic magnesium alloys have an inherent load-sensitive behavior. These alloys are manufactured by casting of magnesium alloyed with the ferromagnetic element cobalt. In this context, the magnetoelastic effect can be used in order to measure mechanical loads during the component's service by means of a harmonic anal…
We reveal the hydrothermal conversion rule for amorphous U( vi ) to large-size UO 2 .
We present a simple chain model for ballistic-diffusive heat transfer in heterogeneous nanostructures connected by atomistic interfaces, which are under extensive investigation for nanoscale heat transfer control. Heat transfer in typical heterogeneous nanostructures, including junctions with a single interface, multi…
In this study, the CuIn(Ga)Se2(CIGS) crystalline quality and MoSe2thickness of films produced by the rapid thermal selenization process under various selenization pressures were investigated. When the selenization pressure increased from 48 Pa to 1.45 × 104 Pa, the CIGS films were smooth and uniform with large crystal…
Localized surface plasmon resonance (LSPR) based fiber optic sensor probe is fabricated and is used to detect α-Synuclein, a marker for Parkinson’s disease. The preliminary studies show the Limit of detection of 70nM.
Acyclic diene metathesis (ADMET) polymerisation and nucleophilic aromatic substitution polycondensation are used to synthesize alternating copolymers based on polyetherethersulfone (PEES) blocks. ADMET results in incorporation of trans-allyl groups with more than 94 to 98% selectivity. The resulting polymers have a Mw…
Spherical, well dispersed and small (6–60 nm) gold nanoparticles (GNPs) within mesoporous silica matrices have been prepared with different irradiation techniques and using two different gold precursors: (Ph 3 P)AuCl and [ n Bu 4 N]AuCl 4 .
Morphologically controlled production of nanomaterials is very important in material chemistry because of the strong influence of materials' structure on their characteristics. In this paper, alumina with various morphologies were synthesized using Me 3 Al and Et 3 Al as starting materials. Aluminum trialkyls were tra…
2D TiO2–WO3 composite inverse opal (IO) films on ITO substrates were prepared by using a surfactant-free co-assembly route using a template of polystyrene (PS) spheres with a diameter of 900 nm. Thus obtained TiO2–WO3 composite IO films were dye sensitized for the construction of photochromic devices which exhibited g…
Formic acid oxidation was studied on platinum-bismuth deposits on glassy carbon (GC) substrate. The catalysts of equimolar ratio were prepared by potentiostatic deposition using chronocoulometry. Bimetallic structures obtained by two-step process, comprising deposition of Bi followed by deposition of Pt, were characte…
Assessment of radioactivity concentrations of 40K, 238U and 232Th in surface soil samples of major markets at Sagamu, Ogun State in Nigeria had been determined by gamma spectrometry using Sodium Iodide Thallium doped NaI (TI) detector coupled with a pre-amplifier base to a multiple channel analyzer (MCA). 10 samples e…
The paper provides a short insight into the structure of Latvian high voltage transmission network, describing existing system of complex diagnostic and analyzing maintenance data to reveal the most frequent locations of faults in power transformers. Modified inspection schedule of power transformers is described that…
Vanadium (V)-doped WO3/TiO2 microporous film on a titanium (Ti) plate was prepared by using the micro-arc oxidation process. Incorporating V and tungsten (W) species into the TiO2 lattice in one step yields band gap narrowing and strong visible-light (Vis) photoactivity, dominated mostly by incorporation of WO3 and V2…
Article history The aim of this study was to prepare and characterize lornoxicam nanosuspensions to enhance the dissolution rate of this drug. Nanosuspensions were prepared by the precipitation- ultrasonication method.. The particle size and zeta potential of nanospray dried powder were 213nm and −20mV, respectively.…
Machined chips of Al–Mg–Si alloys produced by turning were mechanically milled (MM) using a vibration type of ball mill, and MMed powders were consolidated into bulk materials by the spark plasma sintering (SPS) technique. Changes in hardness and solid-state reactions of the MMed powder and bulk materials have been in…
A layer of L-glycine-molecule-imprinted polyaniline (LMIP-PANI) polymer film has been modified on a carbon fiber electrode for the determination of L-glycine standard samples and L-glycine in cerebrospinal fluid of wistar mice. It has been found that a linear relationship exists between current and concentration for t…
The use of natural dyes is increasing day by day due to the eco-friendly approach of the people, though there are some limitations with the use of the dyes. The extraction process of natural dyes and technique of dyeing should be developed, so that they can replace the synthetic dyes, which are problematic for environ…