Materials Literature
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In this work, we identify the type of calcium arsenates found in sediment samples from an aquifer located in Matehuala, San Luis Potos, Mxico. Sediments in contact with levels up to 158 mg/L of arsenic in neutral pH water were studied by X-ray diffraction, scanning electron microscopy coupled to energy dispersive X-ra…
The paper presents results of studying bulk microstructure in carbon nanocomposites by impulse acoustic microscopy technique. Nanocomposite materials are in the focus of interest because of their outstanding properties in minimal nanofiller content. Large surface area and high superficial activity cause strong interac…
Yellow ochre mineral obtained from Vempalli mandal, Cuddapah district, Andhra Pradesh of India is investigated in the present work. Its chemical analysis indicate that Fe2O3=4.22 wt% and TiO2=0.64 wt%. Structural characterization is performed using X-ray diffraction (XRD). XRD results suggest that goethite (Fe2O3) and…
Packaging in Pharma Industry is an extensive, comprehensive and multi-faceted task. From containment and protection to convenience, identification and delivery, packaging's role in the market cannot be underestimated. It is a means of protecting and preserving items contained within, as well as communicating marketing…
The site-selective occupation of point defects, Y3+ ions (Y′Zr) and O2− vacancies (V\ddot{O}), and their associations at a symmetric tilt grain boundary (GB) are studied to understand their competitive contribution to energetically favorable atomic arrangements by using atomistic simulations. It is found that at the G…
Hyperbranched polymers that are traditionally synthesized in a one-pot solution polymerization suffer from a poorly defined structure with broad molecular weight distribution. This paper summarizes the recent progress on one-pot synthesis of uniform hyperbranched polymers in three strategies: 1) slow addition of monom…
Visible light-induced atom transfer radical polymerization (ATRP) of vinyl monomers are examined by using various photocatalysts systems including Type I and Type II photoinitiators, dyes, dimanganese decacarbonyl and semiconducting photocatalysts. The influence of various experimental parameters on the polymerization…
Transition metal ions in their free state bring unwanted biological oxidations generating oxidative stress. The ligand modulated redox potential can be indispensable in prevention of such oxidative stress by blocking the redundant bio-redox reactions. In this study we investigated the comparative ligand effect on the…
Stimuli-responsive degradation (SRD) based on disulfide chemistry is highly desirable in the development of self-assembled block copolymer nanocarriers for multifunctional polymer-based drug delivery systems. In contrast to most conventional approaches involving the incorporation of disulfide linkages at single locati…
The effect of four different compounds as the combustion stabilizers of composite solid propellants based on the AP/HTPB/IPDI has been presented in this paper. Except that, various total solid content, ammonium-perchlorate bimodal and trimodal combination of particle sizes ratio have been made by preparing the eleven…
OBJECTIVE: In this study, we have detected the expression of STC2 protein in laryngeal cancer and The safe incisal margin by immunohistochemical staining, to evaluate its correlation with clinical features and the prognosis value in laryngeal squamous cell cancer. METHOD: Eighty-one paraffin-embedd specimens of patien…
Carbohydrate-conjugated fluorescent silica nanoprobes were prepared and used as a platform for galectin-1 and prostate cancer cell detection. The nanoparticles were efficiently conjugated using native, unprotected carbohydrate structures following a photochemical approach, resulting in lactose- and cellobiose-conjugat…
A model-based approach for the design and development of electrically heated catalyst (EHC) systems is presented. Based on experimental analysis of the EHC heat-up and catalytic behaviour, a detailed physico-chemical EHC model is developed. Within a total system simulation environment, different heat-up measures are c…
In the current study, a review on the response of soils subjected to high strain rate loadingis presented. High strain rate loading on soil may be applied through high loading rate uniaxialcompression tests, triaxial tests, split Hopkinson pressure bar (SHPB) tests, and shock tube test.Herein, the results of SHPB test…
Nanotechnology, which has become an important area of science, has caused an enormous developmental revolution in many fields. In the last two decades researchers have focused on overcoming the obstacles encountered during the preparation of nanoparticles. This article highlights the nanotechnology, along with a brief…
Microbial-induced mineralization technique can be used to repair the concrete surface defects and cracks. Recent development on the repair mechanisms, passive repair and self-healing was reviewed. The advantages of passive repair or active self-healing were analyzed. Some problems and the corresponding solutions were…
During the coal pulverizing, the working parts of the ventilation mill are being worn by the sand particles. For this reason, the working parts are usually protected with materials resistant to wear (hardfaced/thermal sprayed coatings). The aim of this study was to evaluate the tribological performance of four differe…
Carbon-incorporated Mn doped TiO 2 (C/Mn-TiO 2 ) microspheres with different Mn contents were prepared by a facile and novel flame assisted approach.The influence of the Mn contents on the morphology and performance was investigated by X-ray diffraction (XRD), field emission scanning electron microscopy (FE-SEM), ultr…
In order to improve the electrical tree resistance of polypropylene(PP),montmorillonite(MMT)/PP composites were prepared by one-step and two-step melting intercalation processes,in which the organic MMT as the nanophase and the maleic anhydride grafted polypropylene(PP-g-MAH)as the compatibilizer.The crystallization m…
Tresyl chloride (2,2,2-trifluoroethanesulfonyl chloride)-activated method is an easy and simple method for immobilizing biological molecules onto a titanium surface. Tresyl chloride was directly dropped onto a titanium surface without any solvent. Tresylated titanium disks were immersed in a protein or peptide solutio…