Materials Literature
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Peptide-based therapeutics have received increasing attention in medical research. However, the local delivery of such therapeutics poses unique challenges. Self-assembling peptides that use decorated nanofibers are one approach by which these therapeutics may be delivered. We previously found that the self-assembling…
We have evaluated the feasibility of layer-by-layer encapsulation technology for the improvement of dye pigments used for tattoos or permanent make-up. The formation of core-shell structures is possible by coating pigments with thin films of several different polyelectrolytes using this technology. The physicochemical…
Without well balanced electric conductivity and transmission of electrolyte in structures, amorphous carbons suffer from their declined electrochemical performances at increasing charge-discharge rates or current densities. A metamorphic differentiation of amorphous carbons has been carried out by annealing activated…
Among various kinds of shape memory alloys, an Fe-based alloy indicates excellent formability, machinability and weldability. Additionally, its production cost is lower than other alloys. Therefore, it is attempted that the alloy be applied to structural members such as joints for pipelines, splice plates for railways…
Double-network hydrogels with high mechanical strength have been synthesized using the carboxymethyl chitosan, alginate, and acrylamide. Separate gel of chitosan, alginate, and acrylamide is brittle and is easily broken into fragments under a modest stretching. The hydrogels were composed of three kinds of polymer, al…
Proton pump inhibitors are the one of the most widely used drugs in the world. Hypomagnesemic hypoparathyroidism has been reported with different proton pump inhibitors with prolonged oral use. We report the first reported case of possible such effect with intravenous preparation of proton pump inhibitor. This case re…
The increasing nitrate concentration in groundwater has become a serious concern all over the world. In this study, the double chamber microbial fuel cell (MFC) and single chamber MFC systems were proposed for simultaneous removal of chemical oxygen demand (COD) and nitrate (NO3- - N). Transforming the various variabl…
We experimentally demonstrate a three-dimensional ultra-thin metasurface carpet cloak can cover on an arbitrary-shaped object and make it undetectable by the visible light owing to the phase control capability of the metasurface.
With the recent advancements in nanosciences and nanotechnologies, a large number of novel nanomaterials have been introduced in our everyday life. However, as the potential hazards of these novel nanomaterials have not yet been fully understood, concerns on their occupational and environmental health effects are moun…
Based on a novel miniature tensile-fatigue device, a novel prediction method of low cyclic stress-strain curve for structural materials with cyclic hardening behavior was investigated. The prediction method was based on a modified exponential fitting equation, which was verified more appropriate to describe the low cy…
We have studied the mineral kaliborite. The sample originated from the Inder B deposit, Atyrau Province, Kazakhstan, and is part of the collection of the Geology Department of the Federal University of Ouro Preto, Minas Gerais, Brazil. The mineral is characterized by a single intense Raman band at 756 cm−1 assigned to…
We performed density functional theory (DFT) calculations of 4‐aminobenzo‐15‐crown‐5 (4AB15C5) in conjugation with 4‐mercaptobenzoic acid (4MCB) with the polarizable continuum model (PCM) while considering the aqueous media. After specific binding of the ferric ion onto the 4MCB–4AB15C5 compound, the Raman frequencies…
Ultrafine grained materials have a great deal of both scientific and technological interest because they allow outstanding properties to be obtained. An improvement in the mechanical strength and in the ductility and a better fatigue behaviour are properties to be expected with these materials. However, in spite of th…
Biomass gasification is a thermochemical conversion process that dates back to the 19th century. Nevertheless, designing and operating a gasifier system is not an easy task. Every biomass feedstock has different characteristics and the gasifier needs to be designed according to those qualities. Hence, many laboratory…
A circular polarization selective structure (CPSS) reflects one handedness of circular polarization and transmits the other. In this paper the performance of a number of classical CPSS designs has been evaluated at the center frequency of operation for all possible spherical incidence angles. The results are presented…
All‐polymer solar cells are fabricated by using poly(3‐hexylthiophene) (P3HT) and fully conjugated donor‐acceptor (D‐A) block copolymer (P3HT‐PNBI‐P3HT) as donor and acceptor materials, respectively. Atomic force microscopy (AFM) and grazing incidence wide angle X‐ray scattering (GIWAXS) analyses reveal that device pe…
To understand the contact mechanism from electrical properties of the ZnS TFTs, ZnS was fabricated on SiOC as a gate insulator on a Si substrate. Ohmic contact without a potential barrier increased the leakage current, but Schottky contact decreased the leakage current because of a Schottky barrier (SB). The ZnS TFTs…
This study analyzes how anode thickness and working temperature affect heat/mass transport characteristics and cell performance of the anode‐supported SOFC button cell by the finite‐volume SIMPLE‐C method coupled with preconditioned conjugate gradient methods. The numerical results of this work are compared with the e…
A smart hybrid conversion coating has been developed. Modifications of coating solutions with poly-hydroxyl organic materials to reduce the usual mud cracking pattern characteristics of chromate conversion coatings (CCCs) and improve its ability to release inhibitors to corroding sites have been achieved. The smart fu…
Safety and comfort are considered as top priority when selecting fabrics for manufacturing children's apparels.Delicate skin of children reacts to certain fabrics which make them less comfortable to wear.The study aimed at examining the effects of fabrics and designs on the physical comfort of children clothes.The stu…