Materials Literature
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We use the Rayleigh instability technique and breath figure method to fabricate porous bead-on-string fibers and regulate the size and distribution of the pores by controlling the resin reaction conditions. Interestingly, a variety of bead-on-string fibers , with smooth, less porous, homogenous porous, gradient porous…
We report herein the structural influence of in-plane cation arrangements on ion conductivities of layered double hydroxides (LDHs). Mg–Al–CO3 and Mg–Ga–CO3 LDHs with different proportions of trivalent cations were synthesized by the co-precipitation method, and we found that their ion conductivities presented a steep…
The adsorption of ionic amphiphilic diblock copolymers comprising a polycationic block, polybutadiene-block-poly(2-(dimethylamino)ethyl methacrylate) (PB-b-PDMAEMA); and its quaternized derivative (PB-b-PDMAEMAq) from aqueous media onto graphite-based surfaces was examined. Both diblock copolymers in aqueous solution…
In this work the response of Tomato plants cv. Micro-Tom to nanoparticles (NPs) treatment was investigated. Tomato seedlings were grown in hydroponic condition and NPs treatments were carried out by adding Fe3O4 or TiO2 NPs to nutrient solution. At the end of treatments, NPs root uptake and tissue deposition were inve…
Iron oxide nanoparticles were synthesized biologically using potato as starch template (FeSo 4.7H 2O as substrate). The X-ray diffraction (XRD) and Scanning Electron Microscope (SEM) analysis revealed that the particles were spherical in shape and the size ranges from 29-40 nm. Toxicity tests were performed to investi…
Pharmaceutical formulations that contain nano-sized drugs are perceived as "Nano-pharmaceuticals" or "Nano-theranostics" (i.e. billionth meter compounds potentially useful for diagnostics and therapeutics). The pharmaceutics/theranostics loaded into nanoparticles (NPs) can offer significant benefit for the patient com…
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.…