Materials Literature
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Oxidative stress, a major cause of cellular injuries, is closely associated with a variety of chronic diseases such as cancer, liver diseases, degenerative brain disease and aging. In this study, we investigated antioxidant properties of platinum nanocolloid (PNC) against various oxidative stress conditions in vitro/i…
The regularities of polymorphism in high-purity crystalline tris(8-hydroxyquinoline) aluminum, gallium, and indium (Meq 3) have been studied in the temperature range of 300–712 K. From the results of an analysis of photoluminescence and Raman spectra and X-ray diffraction data, a generalized picture has been produced,…
Biodegradable polyesters and polyphosphazenes are both promising biomaterials for tissue regeneration. A combination of both materials would provide additional advantages over the individual components in aspects of biocompatibility and osteocompatibility. Applications of polyester/polyphosphazene composites, however,…
Colloidal tin oxide with an average particle size of 3.5 nm, which was ex-situ synthesized by the sol-gel method, has been attached to the surface of amino-functionalized poly(acrylate-co-silane) latex particles with a diameter of 100 nm to yield a composite with selective sorption properties toward Co(2+) ions. Elect…
Sothers, C.A., Prance, G.T. (2014): Resurrection of Angelesia, a Southeast Asian genus of Chrysobalanaceae. Blumea 59 (2): 103-105, DOI: 10.3767/000651914X684880, URL: https://doi.org/10.3767/000651914x684880
ABSTRACT Aim of this work was the development of mixed matrix membranes as potential devices for transdermal controlled release of gemfibrozil (2,2‐dimethyl‐5‐(2,5‐dimethylphenoxy) pentanoic acid). The effect of the hydrophilic NaX zeolite and of drug loading on the release kinetics of the drug was investigated. The m…
To evaluate the effects of particulate oxidation catalyst (POC) on unregulated pollutant emission and toxicity characteristics, polycyclic aromatic hydrocarbons (PAHs), volatile organic compounds (VOCs), soot, soluble organic fractions (SOF) and sulphate emissions emitted from a heavy-duty diesel engine retrofitted wi…
In this paper, we report on the structural and electrical properties of graphene oxide (GO) incorporated Nylon66 (N66) composite nanofibers prepared via electrospinning technique. Different types of composite nanofibers were electrospun by varying the weight percentage of GO in the polymer solution. Scanning electron…
Many applications of polymeric materials desire and in certain instances require various functions in one family of polymeric architectures. In this work, synthetic routes and methods to obtain novel oxasilacycles and their use in polymer chemistry as both monomer and cross-linking agents are presented. Photoacid gene…
NiO and fluorine doped NiO (NiO:F) films were produced by airbrush spray deposition techique. All films were prepared onto glass substrates at 400°C and annealed at 550°C. Structural, electrical, and optical properties of the films were investigated as a function of fluorine concentration (1, 5 and 10 at %). X-ray dif…
In this study, Dynamic Mechanical Analyzer (DMA) was used to study the effect of nanoparticles, which is nanosilica, on glass transition temperature (Tg) of epoxy polymer. A series of epoxy based nanosilica composite with 5-25 wt% nanosilica content was prepared using mechanical stirring method. The weight fractions o…
This paper focuses on the influence of suspension properties on the manufacturing of coatings by suspension plasma spraying (SPS). For this purpose, alumina suspensions were formulated with two different liquid phases: water and ethanol. Suspensions were atomized with a twin-fluid nozzle and injected in an atmospheric…
Allosteric peptide inhibitors of thymidylate synthase (hTS) bind to the dimer interface and stabilize the inactive form of the protein. Four interface residues were mutated to alanine, and interaction studies were employed to decode the key role of these residues in the peptide molecular recognition. This led to the i…
We propose a planar metal-gap–dielectric waveguide for guiding modified surface plasmon polaritons (MSPPs) with a one-dimensional figure of merit of up to 3 orders of magnitude higher than that of conventional surface plasmon polaritons (SPPs). Furthermore, when a proper dielectric is filled into the gap, the MSPPs ca…
Aluminium alloys are among the most prominent and well known materials used in automotive industries. Nowadays, many vehicles used aluminium engine blocks instead of cast iron to improve fuel efficiency. Among cast aluminium alloys, A319 grade alloys are normally used in automotive industries due to a combination of g…
The toroidal field (TF) coils for the internationally supported ITER nuclear fusion reactor currently being assembled in France will be part of the largest superconducting magnet system ever to be assembled. Due to the relatively high radiation dose expected, the TF coils will utilize a cyanate ester/epoxy blended ins…
Plasma treatments are becoming a popular method for modifying the characteristics of a range of substrate surfaces. Atmospheric pressure plasma (APP) is cost-efficient, safe and simple compared to high-pressure plasma. This study examined the effects of a low-temperature APP treatment of a hydroxyapatite (HA)-coated T…
Early afterglows of N 2 -H 2 , Ar-N 2 -H 2 and Ar-N 2 -O 2 flowing microwave discharges are characterized by optical emission spectroscopy. The N and O atoms, the N 2 (A) and N 2 (X, v>13) metastable molecules and N + 2 ion densities are determined by optical emission spectroscopy after calibration by NO titration for…
Porous ZnO/EosinY films have been electrochemically deposited by oxygen reduction in the presence of a zinc salt from EosinY-containing aqueous solutions, with either chloride or perchlorate as the counter anion. EosinY was removed and the films were sensitised by D149. These electrodes were used for dye-sensitised so…
The effect of synthetic conditions on the properties of methyltrimethoxysilane-based aerogels is reported. All of the aerogels are hydrophobic and can efficiently adsorb organic compounds.