Materials Literature
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Ethylene vinyl acetate (EVA) composites filled with zeolite (25 vol.%) were prepared using an internal mixer followed by compression molding machine. In order to enhance the thermal properties and fire retardancy of the composites, an intumescent flame retardant consisting of ammonium polyphosphate (APP)/pentaerythrit…
New robust microporous cobalt 5,10,15,20-meso-tetraphenyl porphyrin (CoTPP) thin films for sensing applications have been produced by a novel plasma-based deposition technique named Glow Discharge Induced Sublimation (GDS). CoTPP films have been also produced by conventional vacuum evaporation (VE) and spin coating (S…
The low-temperature sintered NiZn and NiCuZn ferrites with the composition of Ni0.40Zn0.60Fe2O4 and Ni0.35Cu0.05Zn0.60 Fe2O4 were respectively synthesized by the microwave sintering method. These powders were calcined, compacted and sintered at 950℃ for 30 min. X-ray diffraction (XRD) patterns of the samples indicate…
Exfoliated graphite was prepared by chemical route and then further subjected to thermal oxidation and sonication for size reduction and increased interlayer spacing in natural flake graphite. Exfoliated graphite/ABS composites were pre-pared with varying filler concentration by solution casting method. Exfoliated gra…
We have successfully demonstrated a novel sensing technique for monitoring the variation of solution concentrations and measuring the effective dielectric constant in a medium by means of an ultra-small and label-free nanosensor, the mechanism of which is based on the localized surface plasmon resonance (LSPR) of gold…
The remarkable properties of carbon nanotubes have made them the preferred candidate for a number of exciting new technologies, and the intense focus of an enormous volume of scientific research. Much of this work is performed under highly idealized conditions, and less attention has typically been given to understand…
It is widely accepted that the bonding strength of mussel protein is somehow related to the contained pyrocatechol groups. However, by comparing the bonding strengths of synthetic terpolymers before and after neutralization by a diamine, we found that the amino groups may have a great influence on the bonding strength…
Enrichment of schist mined in Morocco resulted in an extract essentially made of andalusite, quartz and muscovite, which was investigated with the aim to synthesize mullite refractory materials. X-ray diffraction analysis was used to assess phase transformations upon heating at different temperatures. Mullite formatio…
It would be beneficial if the substrate surface were treated to have hydrophobic properties, in order to keep the line pattern fine during the inkjet processing, while at the same time having improved adhesion properties on the substrate. In this study, a polyimide surface was textured using atmospheric pressure plasm…
A hybrid organic-inorganic sol-gel coating with the addition of wollastonite particles is used as a potential solution to improve performance of low cost AISI 316L stainless steel. This work is focused on characterising the coatings by studying their synthesis and deposition, electrochemical, and in vitro and in vivo…
An analytical expression of Coulomb interaction between a sphere and a cylindrical rod was derived. Along with a recently reported van der Waals interaction expression, the derived Coulomb interaction expression, for the first time, allows one to quantitatively evaluate the activation energy in the oriented attachment…
In this study we synthesized a series of well-defined brush polymers, poly(oxy(11-(3-sulfonylpropyltrimethylglycinyl)undecylesterthiomethyl)ethylene-co-oxy(n-dodecylthiomethyl)-ethylene)s (PECH-DMAPSm, where m is the mol% of DMAPS (sulfobetaine) end group). The thermal properties and phase transitions of these polymer…
We demonstrate the first investigation of highly branched small-molecular organic microcrystals via self-organization of crystallites at the nucleation stage and then growth kinetics manipulation at the crystal growth stage. Temperature control was found to be critical in the formation of the branched structures. At h…
To study the effect of nanoscale titanium dioxide (TiO(2)) on cell responses, we synthesized four modifications of the TiO(2) (amorphous, anatase, brookite, and rutile) capable of keeping their physicochemical characteristics in a cell culture medium. The modifications of nanoscale TiO(2) were obtained by hydrolysis o…
Nanoporous Cu powders have been fabricated through mechanical alloying and subsequent dealloying. The ligament/channel size of as small as 21.3 ± 2.7 nm has been obtained by dealloying as-milled Al–Cu powders in a NaOH solution at room temperature, and can be tuned by changing the dealloying temperature. The surface d…
Natural leathers processed from hides and skins of animals face major threat from synthetic leathers as an alternative material with comparable properties for most of the applications. As consumers are becoming increasingly aware of environmental issues, there is a need for ecofriendly biodegradable materials. Natural…
Water-blown rigid polyurethane (PU) foams were made from 0–50% soy-phosphate polyol (SPP) and 2–4% water as the blowing agent. The mechanical and thermal properties of these SPP-based PU foams (SPP PU foams) were investigated. SPP PU foams with higher water content had greater volume, lower density, and compressive st…
Quantum dot-hydrotalcite layered nanoplatforms were successfully prepared following a one-pot synthesis. The process is very fast and a priori delamination of hydrotalcite is not a prerequisite for the intercalation of quantum dots. The novel materials were extensively characterized by X-ray diffraction, thermogravime…
The electrocaloric effect (ECE) has recently become very attractive phenomenon due to its various potential applications, for example in heating or cooling devices of new generation which could be more efficient and environmentally friendly. Here a direct measurements of the ECE in thick films of 8/65/35 PLZT ceramics…
This study examined the formation of nanofiber hydrogels at neutral pH for 16 types of peptides with different net charges, hydrophobicities, and degrees of polymerization. The peptides formed various hydrogels depending on the arrangement of charged amino acids in the antiparallel β ‐sheet structure. Circular dichroi…