Materials Literature
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The wind-induced vibration of a high-rise chemical tower controlled by pseudo-elastic shape memory alloy cables was studied in this work. Based on taking into account phase transformations of shape memory alloy, the motion equation of the shape memory alloy–controlled chemical tower was established by the finite eleme…
The gradual magnetostructural transition in breathing crystals based on copper(II) and pyrazolyl-substituted nitronyl nitroxides has been analyzed by means of DDCI quantum chemistry calculations. The magnetic coupling constants (J) within the spin triads of Cu(hfac)2L(Bu)·0.5C8H18 have been evaluated for the X-ray str…
Photodynamic therapy (PDT) is a commonly used and effective treatment option for nonmelanoma skin cancer. Apart from local side-effects such as pain, oedema and erythema, no major adverse events occur in the majority of cases. Here we report on five patients who developed memory deficits such as transient global amnes…
The aim of this study to investigate the dynamic properties of luffa cylindrica fiber reinforced bio-composite as alternative natural composite materials. As dynamic properties resonance frequencies and damping measured both for the bio-composite and chemical composite materials. To able to compare the properties of n…
In this study, tensile behavior of tubular braids has been studied using energy method. Tensile response of the braid is investigated in two steps: Step I, geometrical deformation of braid structure; Step II, mechanical response of the constituent yarn. In step I, the effect of geometrical deformation on the tensile b…
The method for determining the transverse mechanical response of Kevlar® KM2 and Dyneema® SK76 fibers was improved upon from previous versions of single fiber compression tests. Two fibers were laid parallel and compressed between two tool steel platens. The new experimental setup ensures that the individual fibers ar…
We report on the electronic band structure of 2D CdSe and PbSe semiconductors that have a silicene-type honeycomb geometry. Atomistic tight-binding calculations are performed on several model systems that bear a strong resemblance to the silicene-type honeycomb structures that were recently obtained by nanocrystal sel…
This study includes the synthesis of nano-sized lithium tetraborate by an innovative single step thermal treatment method and characterization of the products. The heating temperature for the synthesis was varied between 200 and 850 °C with the retention time of 2 h. Polyvinyl pyrrolidone (PVP) with different concentr…
Abstract Recent work has shown that aerial diatoms are a useful ecological tracer of hydrological connectivity in the hillslope–riparian zone–stream (HRS) system. While such work has improved both our understanding of catchment functioning and aerial diatom taxonomy, assemblages and distribution, further work is hampe…
Evaluating magnetic properties accurately under various flux conditions is necessary to reduce iron losses in designing motors and transformers. Particularly, two-dimensional (2-D) magnetic property is one of the most important factors for highly efficient electrical machines. In order to evaluate 2-D magnetic propert…
The electrical properties of the interface between quasi free standing bilayer graphene (QFBLG) and SiC(0001) have been investigated by nanoscale resolution current measurements using conductive atomic force microscopy (CAFM). I-V analyses were carried out on Au-capped QFBLG contacts with different sizes (from 200 dow…
Hydrogels are a suitable scaffold material for a variety of tissue engineering applications. However, these materials have a weak structure and require reinforcement. Integrating electrospun fibers could strengthen material properties. This study created fibers and evaluated the influence of the presence of polar head…
We assessed the photoluminescence performance characteristics of Mn 4+ -doped tetragermanate and silicogermanate phases with a benitoite-type structure. We observed a visible red emission based on the 2 E → 4 A 2 transition in the doped benitoite-type tetragermanate. The partial substitution of Si for Ge, resulting in…
Utilizou-se um Latossolo Vermelho distroférrico (LVdf) e um Neossolo Quartzarênico Órtico (RQo) que receberam diferentes doses de fósforo (P) e calagem, com o objetivo de avaliar o teor de fósforo disponível nos extratores Mehlich I e Resina de Troca Aniônica em condições de laboratório. O delineamento experimental fo…
Coronary artery perforation (CAP) is an infrequent yet potentially life-threatening complication of percutaneous coronary intervention. We report, for the first time, two cases of successful closure of guidewire-induced distal CAP with silk suture embolization using a microcatheter. This technique appears to be safe,…
The histidine kinase (HK) domain belonging to the light-oxygen-voltage histidine kinase (LOV-HK) from Brucella abortus is a member of the HWE family, for which no structural information is available, and has low sequence identity (20%) to the closest HK present in the PDB. The `off-edge' S-SAD method in macromolecular…
Here, we report the establishment of an experimental system based on liquid crystal (LC) micro-droplets on solid surfaces. These micrometre-sized LC droplets were formed by the dispersion of 0.5% (v/v) 4-cyano-4ʹ-pentylbiphenyl (5CB) dissolved in n-heptane onto an octadecyltrichlorosilane (OTS)-treated glass. Polarise…
3-Acetamido-3,6-dideoxy-d-galactose (Fuc3NAc) and 3-acetamido-3,6-dideoxy-d-glucose (Qui3NAc) are unusual sugars found on the lipopolysaccharides of Gram-negative bacteria and on the S-layers of Gram-positive bacteria. The 3,4-ketoisomerases, referred to as FdtA and QdtA, catalyze the third steps in the respective bio…
Abstract The identification of a new class of luminogens based on pyrrolo‐quinoxaline embedded coumarin (PQC) structures is reported. The reaction relies on the gold‐catalyzed hydroarylation reaction of appropriately substituted aryl alkynoates that produces molecules that exhibit solvatochromism and aggregation‐induc…
Abstract There has been a considerable surge of experimental inquiry in recent years into understanding the factors responsible for the corrosion inhibition efficiency of chalcones; however, the question of what actually determines the efficiency still remains a topic of debate. In this study, the dependence of the in…