Volume 31, Number Special Issue
Volume 31, Number Special Issue
The Simulation of the Optical Characteristics of Platinum and Platinum/Silica Nanoparticles
Introduction The search for new functional materials is one of the defining characteristics of modern science and technology. Metal nanoparticles (MNPs), in particular, platinum nanoparticles (PtNs) can possess a wide range of properties that...
Read MoreOptimizition of uranium adsorption process using TOAFMNPs as a novel adsorbent from synthetic sulfuric acid and real sample media
Introduction Uranium extraction and separation has been linked to the development of new technologies to simplify the flow sheets and improve associated process economics. The various methods are available for the extraction and adsorption...
Read MoreMagnetic Nanoparticles in Medicine: A Review of Synthesis Methods and Important Characteristics
Introduction Nanoparticles (NPs) are nanoscale inorganic or organic materials with diameters ranging from 1 to 100 nm. Compared with bulk materials, NPs have many unique characteristics making them interesting for different industrial and medical...
Read MoreStudy effect coronadischarge on morphology, wettability and antibacterial of leather
Introduction Corona discharge has been proved to be a useful method for improving the polymer surface hydrophilic property, especially in the composite material strength improvement(Weilinet al.,2202; Strobelet al., 1999; Leeet al., 1992; Lanauzeet al.,...
Read MoreAssessment of scattering rate and mechanical properties of blends of polypropylene / polyamide containing modified Nano clay and compatibilizer
Introduction One of the earliest applications of Nano filler production Nano technology was to improve mechanical properties of composites. Interest in production of composite materials with reinforcements at Nano level has grown quickly in...
Read MoreProcess intensification approach for the synthesis of metal nanoparticles : A Mini Review
Introduction Nanotechnology is the science of the small; the very small. It is the use and manipulation of matter at a tiny scale. At this size, atoms and molecules work differently, and provide a...
Read MoreEcological Quality Assessment of Drainage Water of Irrigated Lands at Syr Daria Middle Course
Introduction According to Kazakhstan experience in operation of irrigation facilities, the modern systems of water resources control and of water and land resources protection from deterioration and pollution used in irrigation schemes lead to...
Read MoreIsolation and Extraction of flavonoid from the leaves of Rauwolfia serpentina and evaluation of DPPH-scavenging antioxidant potential
Introduction Since time immemorial humans have been dependent on plants for nutritional and medicinal requirements. Without plant kingdom human cannot survive on the earth for long time. Plants have been used in traditional medicines...
Read MoreDynamics of Condition of Groundwater and Using it for Sub-Irrigation on Irrigated Lands of the Golodnostepsky Massif
Introduction In the southern regions of Kazakhstan irrigated agriculture is based mainly on the waters of trans-boundary rivers, which are greatly salinized outside the Republic. In such conditions, the sustainability of agricultural production development...
Read MoreA novel method for determination of topramezone residues in maize
Introduction Topramezone is the first herbicide belonging to a new chemical class called pyrazolones1. In sensitive plant species topramezone inhibits the enzyme 4-hydroxy-phenyl-pyruvat-dioxygenase. As a result, the biosynthesis of plastochinones and indirectly of carotinoides...
Read MorePreparation and thermal and physical properties of nano-silica modified and unmodified
Introduction Today, the polymer nano-composites have occupied the minds of most scientists. The unique properties of this material have been allocated to the attention of most craftsmen[1]. Polymer nano-composites are prepared by dispersion of...
Read MoreThe Electrochemical Assay of Acetaminophen in Paracetamol Tablet with The Help of Differential Pulse Voltammetry
Introduction Paracetamol (acetaminophen, N-acetyl-p-amino-phenol) is a safe and effective analgesic and antipyretic agent although its anti-inflammatory effect is weak. In case of an overdose, it may cause severe hepatic necrosis. Paracetamol is rapidly absorbed...
Read MoreSynthesis, Characterization, Anti-Oxidant and Anti Inflammatory Activity Evaluation of Chalcones & Pyrazoline Derivatives
Introduction In Medicinal chemistry, derivatives of 4-Amino Acetophenone found to have diverse therapeutic applications. Many 4-Amino Acetophenone derivatives have been developed as chemo therapeutic agents and are widely used. 4-Amino Acetophenone moiety carrying compounds...
Read MoreOne-pot synthesis of indeno-fused spirooxindoles catalyzed by SBA-Oxime-Zn
Introduction One of the essential features in (green) chemistry is closely related to the number of steps in organic synthesis as well as atom economy. Hence, multi-component reactions (MCRs) are becoming a growingly important...
Read MoreComputational Modelling Research into the Efficiency of Recirculation Air Diffusers
Introduction Designers and engineers developing or improving ventilation and air conditioning systems, and their elements, have made energy saving one of their priority tasks in the past years (Zheng et al., 2012; Persily et...
Read MoreBiodegradation of Organophosphonates by Aspergillus Specie
Introduction Phosphonates are a class of organophosphorus compounds characterized by Carbon-Phosphorus (C–P) bond[1].Phosphonatesoccur widely among xenobiotics. Pollution of the environment by phosphonatesaroused interest in their pathways and mechanisms of biodegradation[2]. As a result of...
Read MoreSystems Clearing Constructions Enterprises of Oil Refining and Petrochemicals the Republic of Bashkortostan at the Present Stage of Planning of Protection Water Resources
Introduction Republic of Bashkortostan belongs to one of the most industrialized regions of the Russian Federation. The concentration of industrial production in Bashkortostan significantly exceeds the all-Russian figures, especially in the placement of oil...
Read MoreSome new thorium (IV) Complexes of azoester ligands (Part-II)
Introduction A number of complex forming compounds or ligands have been used to prepare the metal complexes of different metals including lanthanides and actinides1-5. Schiff bases are one of these important class of compounds...
Read MoreInfluence of Ni˚ NP on the induction of oxidative damage in Triticum vulgare
Introduction Despite the multi-level intracellular cells protection from stress, under the action of adverse factors of environment, an increase in the concentration of reactive oxygen species (ROS) and triggering of the cascade mechanism of...
Read MoreComparison of physical and mechanical behavior of polypropylene Nanocomposites reinforced with different percentages of Montmorillonite modified
Introduction One of the earliest applications of Nano filler production Nano technology was to improve mechanical properties of composites. Interest in production of composite materials with reinforcements in Nano level has grown quickly in...
Read MoreBorane Clusters Hiding Inside Carbonyl Clusters
Introduction The existence of series in boranes and carbonyl clusters were discovered by Wade and Mingos1-2. Their studies were supported by Molecular Orbital Theory. Recently, it has been found that the carbonyl and...
Read MoreDecreasing bio-toxicity of fume particles produced in welding process by Aloe Vera L.
Introduction Arc welding is widespread technological process in modern manufacturing, but there are deficiencies such as formation of aero-disperse toxic particles of the so-called welding fume. Therefore, studying of the welding fume formation is...
Read MoreComparative evaluation of acute toxicity of nanoparticles of zinc, copper and their nanosystems using Stylonychia mytilus
Introduction Objectives The aim of this study was to determine the toxicity of different doses of nanoparticles of zinc, copper and their compounds and the use of Stylonychia mytilus as a model organism. Materials...
Read MoreImprovement of Dyeability Property and Color Fastness of Stabraq (Milkweed) Fibers Modified With Alkaline Treatment
Introduction The majority of natural fibers are lignocelluloses in nature, they are considered as low value industrial fibers. But the improvements in fiber and yarn production technologies through constant and serious research over the...
Read MoreDesign and synthesis of two alkaloids derivatives using some chemical tools
Introduction Since several years ago, several alkaloids have been prepared for its use in different biological and analytical methods1-3. For example, a study showed the synthesis of N-chloromethylbrucine chloride by the reaction of brucine...
Read MoreExtractionof Lead(II) with Functionalization of Nano Graphene oxide with Prior to determination by Flame Atomic Absorption Spectrometry
Introduction nanoGraphenes are attracting renewed interests owing to recent advances in micromechanical exfoliation and epitaxial growth methods that make macroscopic 2D sheets of sp2-carbon atoms available.[1] A variety of simple yet elegant physics relating...
Read MoreAcetylation of 2-Methoxynaphtalene with Acetic anhidryde over Zr4+-Zeolite beta
Introduction Acetylation reaction is mostly done in the chemical industry to synthesize a variety of organic compounds. In many cases the acetylation reaction is not easy to obtain the desired product if there is...
Read MoreConditions for the improvement of protective properties of the oxide coatings formed on the steel in the liquid lead-bismuth and lead
Introduction Effect of spontaneous enrichment of the oxide layer with alloying additives that improve protection properties of the oxide coating, has long been known and called “corrosion induced auto-protection” [6]. In particular, it is...
Read MoreIsolobal Series of Chemical Fragments
Introduction The arrival of Hoffman’s isolobal principle greatly assisted the advancement of chemical knowledge of linking up the inorganic, organic and organometallic fields1-2.. A combination of isolobal principle and Wade-Mingos rules3-4 laid a strong...
Read MoreAntimicrobial and Antioxidant Effects of Some Turkish Fodder Plants Belongs to Fabaceae Family (Vicia villosa, Trifolium ochroleucum and Onobrychis altissima)
Introductıon The flowering plant family Fabaceae (Leguminosae) contains over 18000 species distributed throughout the world in many ecological settings, from deserts of high latitudes to seasonally dry or wet tropical forests of equatorial regions...
Read MoreAnalysis of applicability of method of aerosol particles permeability in porous materials for incoming control of filtering elements with nanostructured membranes used for liquids purification
Introduction To date, the share of nuclear power in the global energy production is steadily growing, and this growth rate strongly depends on the rate of increase of uranium mining and fuel production. Now...
Read MoreDesign and synthesis of a new pirrol-indol derivative with positive inotropic activity.
Introduction Since several years ago a series of positive inotropic drugs have been developed; for example the synthesis of compound (-)-(R)-1-(p-hydroxyphenyl)-2-[(3,4-dimethoxyphenethyl)amino]-ethanol (TA-064) which exerts a positive inotropic activity in isolated guinea pig heart1. Other...
Read MoreMagnetic Nanoparticles: A Review of Chemical and Physical Characteristics Important in Medical Applications
Introduction Nanoparticles (NPs) are submicron particles with diameters ranging from 1 to 100 nm and made of inorganic or organic materials. As compared with bulk materials, NPs have many unique characteristics [1]. Although real...
Read MoreThermodynamic modelling carbothermal reduction of silicon, iron, calcium and nonferrous metals from a zinc-containing oxide ore of the Shaimerden deposit
Introduction In world practice sulphide ores (Romanteyev, Fedorov, & Bystrov, 2006) are a basic source for zinc manufacture. In oxidized zones of zinc-containing ore deposits zinc is found as zincite ZnO, smithsonite ZnCO3, calamine...
Read MoreAminomethylenephosphonic Acids Syntheses and Applications (A Review)
Introduction Aminophosphonic acid can be an attractive molecule because it can be used in a large range of field. The aim of this report is to summarize synthesis methods of aminomethylphosphonic acids and their...
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