Materials Literature
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Contemporary quilters use a wide range of Patchwork and Quilt designs and styles, from ancient and ethnic to post-modern futuristic patterns. Unusual quilting designs have increasingly become popular as decorative textiles. During the late 20th century, art quilts became popular for their aesthetic and artistic qualit…
In prokaryotes, phosphate starvation induces the expression of numerous phosphate-responsive genes, such as the pst operon including the high-affinity phosphate-binding protein (PBP or pstS) and alkaline phosphatases such as PhoA. This response increases the cellular inorganic phosphate import efficiency. Notably, som…
Single phase lead titanate (PbTiO3) was prepared by solid-state route using lead (II) oxide (PbO) and titanium dioxide (TiO2) as precursors. The effects of using impact mill (IM) and ball mill (BM) in solid state reaction have been observed. X-ray diffraction (XRD) pattern was recorded at room temperature and analyzed…
Biodegradable elastomers have recently found widespread application in many areas of biomedical engineering such as tissue engineering, therapeutic delivery and bioimaging. Recent developments led to development of elastomers involving citric acid based polyesters are being explored that are endogenous to the human me…
D-threo-3-Hydroxyaspartate dehydratase (D-THA DH) isolated from the soil bacterium Delftia sp. HT23 is a novel enzyme consisting of 380 amino-acid residues which catalyzes the conversion of D-threo-3-hydroxyaspartate to oxaloacetate and ammonia. D-THA DH also catalyzes the dehydration of L-threo-3-hydroxyaspartate, L-…
Antibiotic resistance in bacterial pathogens poses an ever-increasing risk to human health. In antibiotic-resistant strains of Staphylococcus aureus this resistance often resides in extra-chromosomal plasmids, such as those of the pT181 family, which replicate via a rolling-circle mechanism mediated by a plasmid-encod…
Our paper brings new information about long-term changes of the phytoplankton communities in the Brno reservoir with the focus on the Microcystis abundance using the semi-monthly monitoring data covering the period 2006-2012. The main aim is to extract from this long-term data set differences in number of Microcystis…
This paper presents a simple method for determining the pretilt angle and cell thickness simultaneously, which are critical factors in liquid crystal displays. Their determination was achieved from the incident angles, where the transmittance was the same for each cell rotation with crossed polarizers and parallel pol…
Magnesium rare earth alloys have been received extensive attention due to their attractive mechanical properties. The precipitation sequence in laser welded Mg–3Nd–0·2Zn–0·4Zr (NZ30K) alloy during aging treatment has been investigated using transmission electron microscopy (TEM). The results show that the tensile stre…
The effect of the substrate on Co doped graphitic ZnO layers adsorbed on metallic and semiconductor surfaces are investigated. The first principles results reveal that the magnetic interactions are strongly affected by the substrate. While graphitic layers of ZnO:Co on the well controlled metallic Ag(111) surface pres…
Fluorine doped tin oxide (FTO) films were successfully prepared on glass and quartz substrate at a substrate temperature equal to 450 °C for different fluorine doping (0, 0.05, 0.1, 0.15) by a homemade spray pyrolysis technique. The spray solution prepared from tin tetrachloride pentahydrate (SnCl4 · 5H2O) dissolved i…
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Cu grain size analysis, electrical measurements, and electromigration reliability tests were carried out in 50 nm wide features to evaluate low temperature reflow anneals of physical vapor deposited Cu as an alternative metallization scheme for BEOL Cu/low-k integration. Comparable final Cu grain size is observed betw…
High purity, homogenous dispersion, and good compatibility of carbon nanotubes (CNTs) in polymer composites are key factors to achieve excellent mechanical and electrical properties of polymer/CNTs composites. Although extensive efforts have been made in this area, it is still crucial to explore an effective method to…
(2R,3R)-2,3-Butanediol dehydrogenase (R,R-BDH) from Bacillus coagulans 2-6 is a zinc-dependent medium-chain alcohol dehydrogenase. Recombinant R,R-BDH with a His6 tag at the C-terminus was expressed in Escherichia coli BL21 (DE3) cells and purified by Ni2+-chelating affinity and size-exclusion chromatography. Crystals…
The shock loading experiments on Ni47Ti44Nb9 shape memory alloys were performed using the single stage gas gun under various shock conditions. The texture evolution of the shocked specimens was investigated. The results show that the initial sheet textures of {111} <[Formula: see text] > and {111} <[Formula: see text]…
β-1,4-Mannanase (β-mannanase) is a key enzyme in decomposing mannans, which are abundant components of hemicelluloses in the plant cell wall. Therefore, mannan hydrolysis is highly valuable in a wide array of industrial applications. β-Mannanase isolated from Aspergillus niger BK01 (ManBK) was classified into glycosid…
Accurate potential energy curves and molecular constants for the low-lying electronic states of CuX(y) (X = B, Al; y = 0, +1) were investigated using the complete active space self-consistent field/multireference configuration interaction (MRCI) methodology with aug-cc-pV5Z basis set. The photoionization spectra of Cu…
Telah dilakukan penelitian pembuatan dan karakteristik komposit serat palem saray - matriks poliester dengan metode Chooped Stand Mat. Komposit ini dibuat dengan komposisi serat palem saray yaitu 0 %, 1 %, 2 %, 3 %, 4 % dan 5 %, masing – masing ditambahkan katalis MEKPO 5 %, kemudian diaduk dengan menggunakan motor st…
The aim of this work was the biosynthesis of silver nanoparticles using Aegle marmelos fruit extract and evaluation of its antimicrobial potentials. The resulting silver nano particle was characterized by using UV–Visible, XRD, TEM, and CV techniques. UV-visible spectrum of the aqueous medium containing silver nanopar…