Materials Literature
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Bio fibres have recently become eye-catching to researchers, engineers and scientist as an alternative reinforcement for FRP (fibre reinforced polymer) composite. Due to their low cost, fairly good mechanical properties, high aspect strength .Three to four ton of human hair fibre wasted in India annually .These fibre…
Fluorescent water soluble carbon nanoparticles (wsCNPs) formed from the carbonization of wood wool followed by oxidative treatment have been used to image the life cycle of the mosquito. At a concentration of wsCNPs around 0.5 mg L−1, the full life cycle of the mosquito has been successfully imaged. However, at higher…
Copper sulfides (Cu x S) are compound semiconductor materials that exhibit considerable variations of optical and electrical properties. Copper sulfide thin films can be used in many applications, such as solar control coatings, solar cells, photothermal conversion of solar energy, electroconductive coatings, and micr…
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We report the thermal degradation of a solid film of polypropylene carbonate, driven by the photothermal effect of gold nanoparticles. We provide characterization of the products of this chemical reaction and use the known activation barrier for this chemical reaction to discuss the temperatures obtained in the film.…
This study demonstrates the successful manufacture and functional characterization of alginate hydrogels containing a variety of encapsulates within polyelectrolyte multilayer-coated micropores. These microporous alginate (MPA) hydrogels are prepared via one-step internal ionotropic gelation of the alginate using poly…
The Modal Method by Gegenbauer polynomials Expansion (MMGE) has been recently introduced for lamellar gratings by Edee [8]. This method shows a promising potential of outstanding convergence but still suffers from instabilities when the number of polynomials is increased. In this work, we identify the origin of these…
Due to their mechanical stability, biocompatibility and biodegradability, silks are promising materials for various biomedical applications including tissue engineering. Since the shape and the organisation of cells in and on scaffolds both affect their function, we tested patterned silk scaffolds made of three differ…
Influence of temperature and the separator material characteristics (composition, porosity, structure) on the performance of supercapacitors (SCs), based on microporous titanium carbide−derived carbon electrodes in 1 M triethylmethylammonium tetrafluoroborate solution in dimethyl carbonate, ethylene carbonate and prop…
An inter hydrogen bonded homologous series with seven liquid crystalline complexes has been isolated and characterized. Double complementary hydrogen bonds are formed between a nonmesogen suberic acid (SA) and mesogenic p-n-alkyl benzoic acid (nBA); the series is referred as SA + nBA. Hydrogen bond is evinced by FTIR…
Retinoic acid (R) grafted chitosan (C) copolymers with different degree of substitution of retinoic acid on the chitosan were synthesized. Retinoic acid targeted chitosan‐albumin nanoparticles were prepared for targeted delivery of doxorubicin in hepatocellular carcinoma by coacervation method. Physical properties of…
Mesoporous silica particles are used as fillers for soggy-sand electrolytes. Favorable surface chemistry that leads to anion adsorption (as reflected by zeta potential) and conductivity enhancement effects is observed for small volume fractions. More remarkable than the absolute conductivities are the significant tran…
Mesoporous (ZnO)x(MgO)1-x nanoplates were synthesized from a solution containing zinc acetate and magnesium acetate by a template-free solvothermal synthetic method followed by subsequent calcination. After thermal treatment, the plate-like morphology was retained. The formation of pores was due to thermal decompositi…
The electrostatic complexation between model negatively charged silica nanoparticles (NPs) with radius R ∼ 10 nm and chitosan, a natural polyelectrolyte bearing positive charges with a semi-rigid backbone of a persistence length of Lp ∼ 9 nm, was studied by a combination of SANS, SAXS, light scattering, and cryo-TEM.…
Oil sorbents—namely materials that can be used to extract oil after a spill—were fabricated from non-woven polyethylene terephthalate (NWPET) fibers modified by the adherence of crosslinked polymer coatings to the fiber surface. The NWPET fibers, which serve as a structural support for the applied functional coatings,…
Metal nanoparticles are used in a wide range of commercial products such as cosmetics, food packaging and household detergents. Owing to interesting antimicrobial properties, silver nanoparticles (Ag NPs) are commonly used in many commercial products. Recently, green approaches using plant extracts at room temperature…
Energy can be saved by enhancing the service life of machinery and by designing lighter units. These design changes enable, for example, lower fuel consumption and larger payloads. The implementation of this kind of solutions, however, requires development of better wear resistant materials. In this study, the wear re…
It is generally accepted that cation dehydration is the rate-limiting step to crystal growth from aqueous solution. Here we employ classical molecular dynamics simulations to show that the water exchange frequency at structurally distinct calcium sites in the calcite surface varies by about two orders of magnitude. Th…
Electroactive mesoporous organosilica nanocomposites (EMONs) and electroactive mesoporous gold–organosilica nanocomposites (EMGONs) were successfully prepared in this work and were applied in ascorbic acid (AA) sensing. EMONs were synthesized by using an aniline pentamer (AP) as an electroactive segment which controll…
New supermolecular liquid crystals have been synthesized by attaching polycatenar aromatic units with three terminal alkyl chains through imine linking groups to a central cyclotriphosphazene ring, and these were investigated by polarizing microscopy, DSC and XRD. Compounds with several different linear terminal alkyl…