Materials Literature
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Functionalization of liquid‐liquid interfaces is a hot area, driven by aspirations to build self-assembled interfacial structures with unique properties, in particular accessible to light from both sides of the interface. Adsorption of nanoparticles is an example of such functionalization. Interesting new developments…
Summary The development of degradable and edible films from protein sources has drawn significant attention for the utilisation of natural resources as well as for the alleviation of the environmental burden. Rice bran protein (RBP) was applied to protein film preparation in this study. The protein solutions were cast…
We have used high precision neutron diffraction and ab initio calculations to investigate the behavior of the magnetism of spinel magnetite $({\mathrm{Fe}}_{3}{\mathrm{O}}_{4})$ under pressure in the $0--10\phantom{\rule{0.3em}{0ex}}\mathrm{GPa}$ range and at temperatures of $130--300\phantom{\rule{0.3em}{0ex}}\mathrm…
First-principles electronic structure calculations are performed to elucidate magnetic properties of LaAlO3∕SrTiO3 heterostructures. We find that TiO2-terminated interfaces are n-type conducting which is consistent with experimental observations. In a (LaAlO3)3∕(SrTiO3)3 superlattice, this interface is magnetic with a…
The published data on self-assembling systems based on porphyrin macrocycles are surveyed. The key principles, mechanisms and driving forces of intermolecular complexation are discussed. Examples of supramolecular assemblies and factors that allow an efficient control over their formation are considered.
Summary Gelatin was extracted from pre‐cooked tuna caudal fin with the yield of 1.99%. Tuna fin gelatin (TFG) contained high protein content (89.54%) with hydroxyproline content of 14.12 mg g −1 . TFG comprised a lower content of high‐molecular‐weight cross‐links and hydroxyproline content than porcine skin gelatin (P…
Non-polar (Zn, Mg)O/ZnO quantum wells (QWs) have been grown on a r -plane sapphire by molecular beam epitaxy. The heterostructures are fully oriented and show a single wurtzite phase at least up to 40% Mg content, as evidenced by means of the x-ray pole figures analysis. The microstructure is dominated by stacking fau…
Abstract The usage of wood‐plastic composites (WPCs) is rapidly growing because of their many advantages. However, they still suffer from lack of strength and toughness, which can be improved by adding a small amount of glass fiber reinforcement (GFR). Tensile tests of high‐density polyethylene WPC specimens with vary…
Edible films are alternative packaging, which have recently received much attention due mainly to environmental reasons. Edible films may be formed from edible biomaterials such as polysaccharides, proteins, or lipids. Among these biopolymers, chitosan is of interest because it has a good film-forming property and is…
Experimental measurements and a thermodynamic model reveal that nematic elasticity can induce lateral phase separation of amphiphilic molecules assembled at interfaces between thermotropic liquid crystals (LCs) and immiscible aqueous phases. The morphologies of the phase-separated domains of amphiphiles induced by nem…
Well-aligned densely-packed rutile TiO(2) nanocrystals (NCs) have been grown on sapphire (SA) (100) and (012) substrates via metal-organic chemical vapor deposition (MOCVD), using titanium-tetraisopropoxide (TTIP, Ti(OC(3)H(7))(4)) as a source reagent. The surface morphology as well as structural and spectroscopic pro…
This study reports the syntheses of Fe(3)O(4)@SiO(2)-Gn-PAMAM-Pd(0) composites and their applications as magnetically recoverable catalysts for the hydrogenation of allyl alcohol. The controlled growth of polyamidoamine (PAMAM) dendrimers with different generations on Fe(3)O(4)@SiO(2) surfaces was monitored by FT-IR s…
We report on the coupled plasmon resonances in a monolayer consisting of metal or metallodielectric nanoparticles with the dipole and quadrupole single-particle resonances. The theoretical models included spherical gold and silver particles and also gold and silver nanoshells on silica and polystyrene cores forming tw…
The mechanical durability of nanoporous all-nanoparticle and polymer-nanoparticle layer-by-layer (LbL) films (80-150 nm thick) on both glass and polycarbonate substrates has been greatly enhanced by hydrothermal treatment (124-134 degrees C). Polymer-nanoparticle films were more durable than all-nanoparticle films aft…
Advances in plasmonic nanoparticle synthesis afford new opportunities for biosensing applications. Here, we apply a combination of a new type of plasmonic nanomaterial - stellated nanoparticles, and polarization-sensitive darkfield microscopy for detecting molecular assemblies and tracking of individual epidermal grow…
Our new synthesis of octakis(3-chloropropyl)octasilsesquioxane ( 1 ) is based on a two-stage hydrolytic condensation of 3-chloropropyltrimethoxysilane. This enables the selective formation of the desired product more rapidly (4 days), in comparison to methods used to date (5 weeks), while the yield (35%) is comparable…
Borate and borosilicate glasses with compositions of x ZnO–2 x PbO–(1−3 x )B 2 O 3 and x ZnO–2 x PbO–1/2(1−3 x )B 2 O 3 –1/2(1−3 x )SiO 2 with x varying from 0.1 to 0.26 mole fraction were prepared by the conventional melt quench technique. Optical and structural properties have been determined by using ultraviolet–vi…
We investigated the electronic structure of multiferroic hexagonal $R\mathrm{Mn}{\mathrm{O}}_{3}$ ($R=\mathrm{Gd}$, Tb, Dy, and Ho) thin films using both optical spectroscopy and first-principles calculations. One of the difficulties in explaining the electronic structures of hexagonal $R\mathrm{Mn}{\mathrm{O}}_{3}$ i…
In the overwhelming majority of the exchange-coupled clusters investigated in field of molecular magnetism, the exchange interaction is constant on temperature. “Breathing” crystals of composition Cu(hfac) 2 L R undergo temperature-induced reversible structural rearrangements accompanied by significant changes of the…
Using an in situ combination of tensile tests and x-ray diffraction, we have determined the mechanical properties of both the crystalline and the disordered phase of the biological nanocomposite silk by adapting a model from linear viscoelastic theory to the semicrystalline morphology of silk. We observe a strong inte…