Materials Literature
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Normal collagen hydrogels, currently used as the dermal layer of skin substitute Apligraf®, are obtained by encapsulating dermal fibroblasts in a collagen hydrogel at low concentration (0.66 mg/ml). However they suffer from extensive contraction by cells and weak resistance against degradation, which limits their use…
A 0.9(0.7BiFeO 3 –0.3BaTiO 3 –0.3 wt% MnO 2 )–0.1CoFe 2 O 4 (BF–BT–CF) multiferroic ceramic composite was prepared and characterized. The composite showed well‐saturated polarization–electric field and magnetic hysteresis loops simultaneously at room temperature, with a remanent polarization of 15.7 μC/cm 2 and a coer…
Abstract Composite fabricated from starch and different concentrations of clay was prepared by solution casting method. The casted film was irradiated to different gamma irradiation doses 10, 20, 30, and 40 kGy. The dispersion of clay into starch was investigated by using X‐ray diffraction (XRD). The structural morpho…
Kinetic model for Cupriavidus necator in batch culture using glucose, fructose and molasses as carbon sources was obtained. The experimental data was also fitted with the modified logistic equation that can provide adequate description for PHB synthesized by C. necator. The lineweaver-Burk plot defined biokinetic coef…
Magnetically doped CeO 2 is a promising dilute magnetic semiconductor as CeO 2 has a face-centered cubic system and a high dielectric constant and is a transparent rare-earth oxide. In this contribution we first report the synthesis of room temperature ferromagnetic Ce 1− x Co x O 2−δ (0< x < 0.10) nanorods prepared v…
A simple electrochemical deposition technique is used to synthesize both two-dimensional (nanowall) and one-dimensional (nanowire) ZnO nanostructures on indium-tin-oxide-coated glass substrates at 70°C. By fine-tuning the deposition conditions, particularly the initial Zn(NO(3))(2)·6H(2)O electrolyte concentration, th…
Lead‐free ferroelectric K 0.5 Na 0.5 NbO 3 (KNN) thick films with improved performances have been successfully prepared by polyvinylpyrrolidone‐modified chemical solution deposition method. The KNN thick films were obtained by pyrolyzing at different temperatures and annealing at 600°C. The effect of pyrolysis tempera…
Abstract Calcium carbonate (CaCO 3 ) with different phases and morphologies were prepared and characterized by scanning electron microscopy (SEM), powder X‐ray diffraction (XRD), and Fourier transform infrared (FTIR) spectroscopy. The effect of polyethylene glycol (PEG) with different molecular weight and concentratio…
We present an improved version of RosettaHoles, a methodology for quantitative and visual characterization of protein core packing. RosettaHoles2 features a packing measure more rapidly computable, accurate and physically transparent, as well as a new validation score intended for structures submitted to the Protein D…
Systematic properties of the $A{\text{GaH}}_{4}$ alkali gallium hydrides ($A=\text{Li}$, Na, K, Rb, and Cs) are investigated within density functional theory. Seven ground-state crystal structures are identified, with two energetically indistinguishable structures found for both ${\text{LiGaH}}_{4}$, whose structure i…
Abstract Polyurethane (PU)–clay nanocomposite coatings were prepared by a sonication method. The stability and morphology of these coatings was characterized by turbidometry, X‐ray diffraction, and transmission electron microscopy. The anticorrosive properties of these coatings were investigated by salt‐spray and elec…
ZrO 2 samples with various CaO contents were fabricated by hot pressing, whereby CaO was dissolved by and/or reacted with ZrO 2 to form a solid solution and/or CaZr 4 O 9 , respectively. After a reaction with Ti at 1550°C for 6 h in argon, the interfacial microstructures were characterized using X‐ray diffraction and…
Abstract Long‐aliphatic‐segment polyamides were prepared based on hexamethylenediamine and α, ω ‐(CH 2 ) x biosynthetic diacids ( x = 10, 11, 12). The pertinent monomers (salts) were isolated as solids, thoroughly characterized for the first time, and then submitted to an anhydrous melt prepolymerization technique. Th…
We investigate the effect of the narrow electronic minibands of periodic one-dimensional stacks of disk-shaped InAs quantum dots (QDs) in GaAs on their electronic transport characteristics by employing an empirical tight-binding calculation and a continuum model of the electronic structure. Our model includes both the…
Photoexcitation of gold nanoclusters covalently functionalized with 9-mesityl-10-methylacridinium ion (Mes-Acr(+)) resulted in the formation of the electron-transfer state (Mes(*+)-Acr(*)), which forms a pi-dimer radical cation with the neighboring Mes-Acr(+) via an intramolecular pi-pi interaction.
Binary skutterudite CoSb(3) nanoparticles were synthesized by solvothermal method. The nanostructuring of CoSb(3) material was achieved by the inclusion of various kinds of additives. X-ray diffraction examination indicated the formation of the cubic phase of CoSb(3). Structural analysis by transmission electron micro…
Abstract A series of core‐shell poly(amidoamine) (PAMAM) dendritic compounds bearing different end groups such as OH, NH 2 , and NH 3 +− Cl up to the third generation were prepared via successive Michael addition of a nucleophilic core (ethylenediamine) to methylacrylate followed by amination steps using ethylenediam…
Abstract Polystyrene (PS) from packing materials and plastic cups was reinforced with 30 and 50% wood flour through a blending process with and without a commercial compatibilizing agent. The processability of the pure recycled polystyrene (rPS) and wood–rPS composites was studied in terms of the torque of the mixing…
Abstract In this study, we examined the role of environmental parameters and physical structure in the aging process of poly(lactic acid) (PLA). The role of heating history on the aging behavior of the material was also investigated. PLA samples with a D ‐content of 4.25% were exposed to a relative humidity of 80% at…
This work investigates the ternary phase diagram of the enantiomers of ethyl-2-ethoxy-3-(4-hydroxyphenyl)propanoate (EEHP) in cyclohexane. The enantiomers of EEHP form a conglomerate, and both the pure enantiomer and the racemic mixture exhibit stable oiling out in cyclohexane. Our analysis shows that the ternary phas…