Materials Literature
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Small-scale yielding around a stationary mode I crack in a cubic single crystal is analyzed in terms of plane-strain elastically anisotropic discrete dislocation plasticity (DDP). Two symmetric crack orientations are considered with two objectives in mind. First, we study the sensitivity to materials aspects such as d…
The morphologies and structures of Ni ( OH )2–graphene hybrid materials were tailored by using different mineralizers in this work. It was revealed that the synergic effects of the highly oxidized graphene sheets and the mineralizers played a crucial role in controlling the morphology and structure of the nanocomposit…
Abstract The water‐in‐oil‐in water (W1/O/W2) double emulsion evaporation technique is widely used when the microencapsulation of soluble agents like naloxone HCl is intended. The present work shows the effect of HLB emulsifiers added to phase O on microsphere morphology, size, release, drug encapsulation efficiency. T…
The resolving power of an electron microscope is determined by the optics and the stability of the instrument. Recently, progress has been obtained towards suba ngstro m resolution at beam energies of 80 kV and below but a discrepancy between the expected and achieved instrumental information limit has been observed.…
produce electrical output in response to ambient pressures, vibrations, movements etc. In the present studies, sintering time for composition Pb0.98La0.02(NiSb)0.05[(Zr0.52Ti0.48)0.995]0.95O3 (La-PNS-PZT) was optimised to achieve properties suitable for power harvesting. Composition was processed through mixed oxide r…
Abstract Wir präsentieren einen kurzen Rückblick über die Entwicklung und Anwendung dielektrischer Elastomere. In den vergangenen zehn Jahren hat die Bedeutung dieser Polymerklasse stetig zugenommen. Inzwischen setzen sich erste Produkte auf dem Markt durch, und weitere Anwendungen stehen vor der Markteinführung.
The use of deoxyribonucleic acid (DNA) oligonucleotides has proven to be a powerful and versatile strategy to assemble nanomaterials into two (2D) and three-dimensional (3D) superlattices. With the aim of contributing to the elucidation of the factors that affect the stability of this type of superlattices, the assemb…
In this work, we investigated the fabrication of surface plasmon resonance (SPR) nanosensor using gold nanoparticles (AuNPs) chemisorbed onto self assembled monolayer of 10-(3-amino phenoxy) decane-1-thiol on gold substrate. The fabrication process of SPR nanosensor was characterized using different techniques such as…
In this report, we demonstrate that sodium tetrafluoroborate (NaBF4) and silver nitrate (AgNO3) aqueous solution can be successfully used as wet etchant to produce silicon nanostructured layers with anti‐reflective properties. The morphology of the resulting nanostructures was studied as a function of various etching…
A previously reported diketopyrrolopyrrole (DPP)-phenyl copolymer is modified by adding methoxy or octyloxy side chains on the phenyl spacer. The influence of these alkoxy substitutions on the physical, opto-electronic properties, and photovoltaic performance were investigated. It was found that the altered physical p…
ABSTRACT Aromatic monomers with different fluorine concentrations and structural distribution patterns were synthesized. A series of copolymers based on methyl methacrylate, acrylate, and perfluorooctylalkyl acrylate were prepared by emulsion polymerization and were subsequently used as functional coatings to prepare…
The use of steel slag as a no-clinker binder was studied. Steel slag was activated by CO2 to develop strength as a cementing material for building product applications. The performance of slag paste compacts formed by low water to slag ratio was characterised by X-ray diffraction analysis, thermal analysis and field e…
Our group recently determined that a mutant archaeal chaperonin (Hsp 60) exhibited substantially enhanced protein folding activity at low temperatures and was able to deconstruct refractory protein aggregates. ATP dependent conversion of fibril structures into amorphous aggregates was observed in insulin amyloid prepa…
Many Heusler compounds are predicted to be half-metallic ferromagnets and thus find extensive interest as materials for spintronic applications, an example of which is the Co 2 Cr 1– x Fe x Al series. So far, bulk samples of that series, in particular, Cr-rich samples, do not verify those predictions, and various stud…
The rational design and fabrication of zinc oxide (ZnO) nanowire (NW) lateral field electron emission device and the possible application as a display pixel structure are reported. In the device, the cathode and anode are ranked side-by-side on the same panel. The NW-clusters were controlled to locally grow on the edg…
ABSTRACT In the present study, exfoliated graphite nanoplatelets (EGN), which were prepared by means of microwave and ultrasonic processes from graphite intercalation compounds, were coated with a liquid rubber amine‐terminated poly(butadiene‐ co ‐acrylonitrile) (ATBN) at various concentrations via ultrasonic and deep…
Purpose: Considering the different IC measures adopted in literature, the advantages of adopting semi-qualitative measures, and the lack of an agreed system for IC evaluation, the purpose of the paper is to analyse literature on IC measurement following a semi-qualitative approach, with the final intent to build an IC…
The study investigated the effects of chronic exposure of pink snapper (Pagrus auratus Forster), to synthetic based drilling muds (SBMs). Fish were exposed to three mud systems comprised of three different types of synthetic based fluids (SBFs): an ester (E), an isomerized olefin (IO) and linear alpha olefin (LAO). Co…
Self-assembled polymeric micelles can be used as efficient particulate emulsifiers. Styrene (St) and dimethylaminoethyl methacrylate (DM) were used to synthesize the amphiphilic random copolymer P(St-co-DM). This copolymer self-assembles into spherical polymeric micelles. The polymeric micelles show surface activity a…
Penetration and contact explosion tests on reactive powder concrete (RPC) containing 5 per cent steel-fiber were carried out to investigate the anti-strike capability of steel-fiber reactive powder concrete (SFRPC). The penetration tests consisted of two sample groups corresponding to hit speeds 308 m/s - 582 m/s and…