Materials Literature
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Ammonia plasma treatment is an efficient method to modify the surface of polymeric biomaterials to improve their hydrophilicity and biocompatibility. In this study, poly(L-lactic acid) (PLLA) films were treated with ammonia plasma to investigate the effects on the surface properties and cytocompatibility. Surface morp…
Layered organic-inorganic hybrid nanocomposite was prepared by inserting the pamoate anion (PA) between Zn and Al layered double hydroxide (LDH) using co-precipitation method. The ageing process was done by two different methods; conventional oil bath and microwave-assisted method at various ageing times, from 15 to 6…
We present the results of computer simulations giving a kinetic insight into the liquid-to-solid transition of a homopolymer chain with short-range interactions. By calculating the absolute rates in each direction of the transition, using molecular dynamics employing the forward flux sampling scheme, we provide the ph…
Polymeric ionic liquid (PIL) films carrying fluorescent dye moieties were prepared by radical copolymerization of polymerizable ionic liquids with appropriate polymerizable fluorescent dye derivatives. The films carrying rhodamine (previously reported), 7-(diethylamino)coumarin-3-carboxylic acid (DEAC), and pyranine m…
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In this letter, we investigate the design, fabrication, and measurement of square spiral resonator (SR) metamaterial. The simulation, experiment, and the parameter retrieval results all validate that the one-arm SR only has a magnetic response, while multiarm (including two-arm, three-arm and four-arm) SR have a magne…
Pure Zircon and Zircon: Alumina (ZrSiO4: ?-Al2O3) composite powders were subjected to densification studies employing spark plasma sintering (SPS). Physico chemical and microstructural properties of the samples were evaluated and compared with that of conventionally sintered (CRH-Constant Ramp and Hold) compacts. Dens…
Here in this paper a review about the available methods of measuring fiber diameter in a nonwoven structure and its probability distribution has been described. Both offline and online measurement techniques of measuring fibre di- ameter and analysis of measured data has been discussed. It has been seen from various s…
The modifications in the crystal and electronic structure due to the Eu2+ luminescent centre and isolated vacancies in the Sr2MgSi2O7(:Eu2+) persistent luminescence material were calculated using the density functional theory (DFT). The exact role of defects in the storage of excitation energy is currently not well un…
The inhibitive effect of Lupine, Hlfabar and Damssisa extracts on the corrosion of zinc in aqueous solution of 0.5 M sodium chloride were investigated at 30 °C by potentiodynamic polarization and electrochemical impedance spectroscopy (EIS) techniques. Potentiodynamic polarization curves indicated that lupine, hlfabar…
The effect of dimethyldodecylphosphonate (DMDP) and Cetyltrimethylammonium bromide (CTAB) and the mixture of both (formulation), on mild steel corrosion in simulated cooling water, has been evaluated by means of electrochemical techniques such as polarization curves (I-E) and electrochemical impedance spectroscopy (EI…
SOLUBILITY PARAMETERS ARE USED IN THE COATings industry to select solvents. Liquids with similar solubility parameters will be miscible, and polymers will dissolve in solvents whose solubility parameters are not too different from their own. The basic principle is “like dissolves like.” Solubility parameters help put…
This book updates and expands the editor's acclaimed Electrical Resistivity Handbook, bringing together advances in the field over the last two decades. In this period, much has been achieved in the fields of new materials and superconductivity. This new volume provides a comprehensive compilation of experimental…
Synthesis and use of nanoparticles is a very expanding and a developing area. The development influenced by biological resources for nanoparticles synthesis is emerging into an exciting and the most significant bough of Nanotechnology. Conventionally, chemical reduction is the most frequently applied approach for prep…
Calmodulin (CaM) is a multifunctional intracellular calcium ion receptor protein that participates in a range of cellular processes, including calcium metabolism in mussels. To investigate the role of CaM in freshwater mollusk shell calcium metabolism, the full-length CaM cDNA was isolated from the freshwater pearl mu…
An asymmetric combination of alkali-treated soft carbon (ASC) with activated carbon fiber (ACF) electrodes has been utilized to develop a novel electric double-layer capacitor (EDLC). The capacitance of ASC electrode was significantly increased after electrochemical activation at the first high potential cycling. Elec…
A new mineral species, markascherite (IMA2010-051), ideally Cu 3 (MoO 4 )(OH) 4 , has been found at Copper Creek, Pinal County, Arizona, U.S.A. The mineral is of secondary origin and is associated with brochantite, antlerite, lindgrenite, wulfenite, natrojarosite, and chalcanthite. Markascherite crystals are bladed (e…
The bark extract of Terminalia arjuna, a well known cardiac tonic, is rich in different types of plant secondary metabolites such as triterpenoids, saponines, tannins, flavanoids, etc. We have demonstrated the use of the bark extract for the synthesis of gold nanoparticles at room temperature under very mild condition…
Effective silica coating on hydrophobic quantum dots (QDs) was achieved by ultrasonic fragmentation of lipophilic silane-QDs precusor into water-soluble micelles and subsequent silicate deposition. This method allowed high retention of QD fluorescent properties and an easy scaling over the size and loading amount of s…
Adsorption behavior of different polyethers (PE) on copper and tin was studied in combination with kinetic investigations. No pronounced effect of PE was detected in the Cu|Cu(II) system. In contrast, these substances show a high inhibition activity on the tin electrode. Halides enhance adsorption ability on copper el…