Volume 32, Number 3
Volume 32, Number 3
Stability Indicating Method Development and Validation for the Simultaneous Determination of Levosulpiride and Esomeprazole in Bulk and Formulation
Introduction Esomeprazole1 is a gold standard proton pump inhibitor, used up to a great extant in gastroenterology, chemically known as (S)-5-methoxy-2-((4-methoxy-3, 5-dimethyl pyridine-2-yl) methyl sulfinyl)-3H-benzoimidazole. Figure I. represents the structure of Esomeprazole. figure 1: Structure...
Read MoreVibrational Frequencies of PH3 and NF3: Lie Algebraic Method
Introduction In the last part of the 19th century, Marius Sophus Lie proposed Lie algebras. Nevertheless, these methods have been useful in the study of the problems in the beginning portion of the 20th...
Read MoreFacile Synthesis of Aluminosilicate
Introduction Though periodic mesoporous silica had been discovered in 1990 [1], or even much earlier [2], this type of materials did not attract much attention until 1992, upon the publication of two groundbreaking papers...
Read MoreMicrowave Assisted Synthesis and Evaluation of N-Cinnamoyl Aryl Hydrazones for Cytotoxic and Antioxidant Activities
Introduction Acyl hydrazone derivatives possessing an azometine -NHN=CH- proton are emerging as a novel class of compounds for new lead development 1-4.They were reported to possess, antimicrobial5-6, antitubercular7, antitumour8-9, antioxidant10-12, antiinflammatory13, analgesic14 ,antimalarial 15, ...
Read MoreAn Aerobic Oxidative Coupling Approach for The Synthesis of N-Substituted 2-Aminobenzothiazole Derivatives using Iron Catalyst
Introduction Substituted benzothiazoles exhibits various biological and therapeutical activities.[1, 2]Aminobenzothiazoles are synthesised by employing various catalysts: cobalt was used by Zhu [3, 4], palladium by Vera 5, copper by Saha 6 and Khatun 7,...
Read MoreApplication of Magnetic Dicationic Ionic Liquid Phase Transfer Catalyst in Nuclophilic Substitution Reactions of Benzyl Halids in Water
Introduction Green chemistry is a major issue of modern chemistry currently. The use of environmentally benign solvent instead of traditional organic solvents is the important and efficient strategy in green chemistry. Water is a...
Read MoreA Sensitive and Selective GC-MS Method for Analysis of Genotoxic Impurities in Dobutamine Hydrochloride
Introduction Genotoxic impurities have the tendency to cause a potential damage of the genetic material, for example DNA even at very low level of exposure. There are three primary effects that genotoxins can have...
Read MoreExfoliation Dynamics of Laponite Clay in Aqueous Suspensions Studied by NMR Relaxometry
Introduction Synthetic hectorite Laponite is one of the most used materials for studies of exfoliating clays due to its high dispersiblity in water, narrow size distribution and uniform shape of its individual disc-shaped platelets....
Read MoreSynthesis of α-Diazoketones by The Action of Diazo-N-Octane on 3-Methoxy Cinnamoyl Chloride
Introduction A number of methods for synthesis of a-diazo ketones by the reaction of higher diazoalkanes with carboxylic acid chlorides or acid anhydrides1-4. The field of synthesis of new a-diazoketones is too wide5-7. The...
Read MoreController Performance Analysis for A Delayed Process Based on Integral Error Performance Indices
Introduction In process industries controlling the process is main issue. For the industries it is very important to keep process working properly for optimum results and good quality of product. Most of the industrial...
Read MorePreparation of Modified Magnetic Nano-Fe3O4 Chitosan/ Graphene Oxide for the Preconcentration and Determination of Copper (П) Ions in Biological and Environmental Water Samples Prior to Flame Atomic Absorption Spectrometry
Introduction The properties of nano magnetic particles have attracted many studies on their functionality as magnetic carrier. This characteristic make these elements a fit candidate in a wide range of heavy metal ions application...
Read MoreAssessment of Aspartame Exposure Due to Consumption of Some Imported Chewing Gums by Microwave Digestion and High Performance Liquid Chromatography Analysis
Introduction The chemistry science along with food industry had a positive effect on producing and developing artificial sweeteners that are used as substitutes for the sugar1.Artificial sweeteners are widely used in food, beverage, dietary...
Read MoreThe Effects of Silica and A Nature Polymer on The Size and Properties of Nano-Hydroxyapatite
Introduction Synthetically produced calcium phosphate ceramics and implants have an important position among other biomaterials, because they are considered almost fully biocompatible with living bodies when replacing the hard bone tissues. Calcium hydroxyapatite (Ca10(PO4)6(OH)2...
Read MoreA Stability Indicating RP-HPLC for The Simultaneous Estimation of Hydrochlorothiazide, Amlodipine Besylate and Telemisartan in Bulk and Pharmaceutical Dosage form
Introduction Hydrochlorothiazide – C7H8ClN3O4S2(fig.1a) (HCT) chemically known as 6-chloro-3, 4-dihydro-2H-1, 2, 4-benzothiadiazine-7-sulphonamide, 1-dioxide.It is a first-line diuretic drug. Amlodipine besylate –C20H25ClN2O5 (fig.1b) (AMB) chemically known as (RS)-3-ethyl 5-methyl 2-[(2-aminoethoxy) methyl]-4-(2-chlorophenyl)-6-methyl-1, 4-dihydropyridine-3, 5-dicarboxylate mono benzene...
Read MoreZirconium Oxide Nanoparticles as an Efficient Catalyst for Three-Component Synthesis of Pyrazolo[1,2-A][1,2,4]Triazole-1,3-Diones Derivatives
Introduction Multi-component reactions have been attracting much interest from synthetic chemists because they provide simple one-pot routs for the synthesis of complex molecules from simple and easily available starting materials. These processes are single-step...
Read MoreThe Cytotoxic Activity on T47D Breast Cancer Cell of Genistein-Standardized Ethanolic Extract of tempeh -A Fermented Product of Soybean ( Glycine Max)
Introduction Soybean (Glycine max (L.) Merr.) has been consumed for centuries and widely known as dietary sources for isoflavones, especially in many Asian countries1,2.Soyfoods intake was associated with lower risk of breast and prostate cancer1,3 and...
Read MoreGreen Synthesis of Silver Nanoparticles using Bark Extract of Salix Alba and Its Antimicrobial Effect Against Bacteria Isolated from Dental Plaque
Introduction In the present century the population of microbes are getting resistant to antibiotics are increasing continuously due to the use of large amount of antibiotics, and their control is a major challenge for...
Read MoreExtraction and Characterization of Collagen from Buffalo Skin for Biomedical Applications
Introduction Collagen is most widespread protein in the body occurring in most connective tissues as skin, tendon and bone 1,2. Collagen consists of three parallel polypeptide strands in a left-handed, polyproline II-type helical conformation...
Read MoreFirst Principal and QM/MM Study of Dopamine Adsorption on Single Wall Carbon Nano Tubes and Single Wall Boroan Nitride Nano Tubes
Introduction Dopamine is an organic chemical of the catecholamine and phenethylamine families that plays several important roles in the brain and body. it is an amine synthesized by removing a carboxyl group from a...
Read MoreNH2OH.Hcl/Bacl2: A Convenient System for Synthesis of Oximes from The Corresponding of Organic Carbonyl Compounds
Introduction Oximes have many applications in organic synthesis 1. These compounds have antimicrobial, antioxidant, antitumor, anti-depressive, antiviral agents, and anticonvulsant properties 2-7. Some oximation methods have been reported 8. However our ongoing attentions to...
Read MoreEvaluation of Nigerian Source of Kaolin as A Raw Material for Mullite Synthesis
Introduction Kaolinite, the most common clay mineral, has the theoretical formula (OH)4Al2Si2O5 (frequently expressed as Al2O3.2SiO2.2H2O). When pure, it has the composition (by mass) of alumina 39.56 %, silica 46.54 %, water 13.90 %,...
Read MoreKinetics and Mechanism Investigation on Green and Three –Component One Spot Synthesis of 4H-Tetrahydrobenzo[B]Pyrans using Caffeine as A Facile and Green Catalyst
Introduction In recent times, the development of environmentally benign and clean synthetic procedures has become the goal of organic synthesis 1,2. The use of water and ethanol as a reaction medium exhibits a remarkable...
Read MoreA Comparison Between Biocompatibilities of Nanocomposites of Silica Doped in HA/Collagen and Those Doped in HA/Gelatin
Introduction Improving biomaterials for enhanced osseointegration and tissue engineering (for bone remodeling) represents an international research target. Some of the most significant approaches to such a target have been reviewed in a special issue...
Read MoreIdentification and Characterization of Solid Binary System of Quercetin-Nicotinamide
Introduction Quercetin is a flavonoid polyphenol compound, which is still interesting to study due to several pharmacological activities1. However, quercetin has a low solubility in water, causing limitations in the process of absorption and...
Read MoreUltrasonic-Promoted Selective Reduction of Aldehydes vs. ketones by NaBH4/PhCO2Na/H2O
Introduction Ultrasound irradiation is an exciting new unconventional energy in organic synthesis during the past decade. The promoted organic reaction by ultrasound irradiation has higher yield, shorter reaction time and milder conditions 1. The...
Read MoreExtractive Determination of Co (II) and Ni (II) by N, N′-Bis(5-(4-Nitrophenyl)Diazenyl)-2-Hydroxybenzylideneamino)Ethylenediimine (NDHBDED) Impregnated with Alumina by Ph Dependent SPS
Introduction The determination of metal ions in natural samples is very important part of environment and human health1-4. Metal ions-ligands coordination complexes are the intense analytical approach for the determination of metal ions of...
Read MoreGreen Synthesis and Characterization of Silver Nanoparticles Using Leaf Extract of Tridax Procumbens
Introduction Nanotechnology has emerged as the interdisciplinary science conjugating the basic concept of engineering with the application of biology, chemistry, physics and medical science (1). Nanotechnology is the science of the small; the very...
Read MoreCharacterization Micro/Nanostructures of Barium Strontium Titanate
Introduction Barium titanate, BaTiO3 formula was discovered in the late 1940. It is the first single ferroelectric oxide known and today remains a model material for the study of ferroelectricity. Employed as a solid...
Read MoreAtomic Force Microscopy Studies on The Surface Morphologies of Chemical Bath Deposited Cus Thin Films
Introduction The synthesis of nanocrystalline metal chalcogenide thin films is currently attracting considerable attention because these films have been used in many fields such as solar cells, photoconductors, laser materials and sensor materials. Metal...
Read MoreChemical studies on the preparation of magnetic nanoparticles coated with glycine and its application for removal of heavy metals
Introduction With the rapid development of nanotechnology, magnetic nanoparticles are currently studied widely. magnetic nanoparticles have attracted much attention because of their unique magnetic properties, small size, low toxicity, and widespread application, Iron oxide...
Read MoreOptimization Central Composite Design for The Simultaneous Determination of Cd(II) Ions in Fruit and Vegetable Samples by Adsorptive Stripping Voltammetry
Introduction Cadmium is known to be a hazardous environmental pollutant with toxic effects. Adverse effects of cadmium are produced not only because of its high toxicity in humans and animals, even at trace concentrations,...
Read MoreMethod for The Removal of Piumbum(II) Ion from Aqueous Solutions by Corn Cobas A Natural Adsorbent and from The View Point Thermodynamics
Introduction Rapid industrialization has led to increased disposal of heavy metals and radio nuclides into the environment. Lead and its compounds are toxic and present in wastewater, effluents and soils1. Lead is used in...
Read MorePhotoelectrochemical splitting of water to produce a power appetizer Hydrogen: A green system for future –( A short review)
Introduction Energy is the most important strategic issue shaping the economy of any nation especially for the developing countries1. The rate of consumption of fossil fuels is increasing exponentially while that of formation is...
Read MoreBiological Materials: Green Source Towards Silver Nanomaterials Synthesis
Introduction Nanotechnology is the manipulation of particles with at least one of its dimension, in the range of 1 to 100 nm. At this dimension a transition in properties from atom or molecule to...
Read MoreA New Method for Prediction of Wastewater Treatment Efficiency in the Photo catalytic Processes
Introduction Industrial wastewater often contains significant amounts of non-biodegradable organic compounds. The elimination of these contaminants is necessary before a biological treatment of these effluents. Common ways of wastewater treatment include adsorption, sedimentation, chemical...
Read MoreGas Chromatographic-Mass Spectrometric Analysis of Volatiles Obtained by HS-SPME-GC-MS Technique from Aerial Parts of Ziziphora capitata L., and Evaluation for Biological Activity
Introduction The genus Ziziphora L. belongs to the Lamiaceae family from botanical point of view. The origins of these plants are mainly in Iraq, Turkey, Caucasia, Middle Asia, Afghanistan, Pakistan, Syria, Armenia, Anatolia, west...
Read MoreOne-pot and Three-Component Synthesis of isoxazol-5(4H)-one Derivatives in the presence of Citric Acid
Introduction Isoxazolones and its derivatives have a variety of biological activities. 1 The synthesis of aryl-3-methylisoxazol-5(4H)-one derivatives involves a coupling of aromatic aldehydes with ethyl acetoacetate and hydroxylamine. This procedure has been carried out...
Read MoreRheological and Infrared Spectroscopic Investigations of Normal and Chronic Kidney Disease Urine
Introduction The Chronic kidney disease (CKD) can be detected by the estimation of urine albumin to creatinine ratio (UACR) and urine urea in urine. An elevated Urine Albumin Excretion is a sign of renal...
Read MoreSynthesis of Zno-Nife2o4 Magnetic Nanocomposites by Simple Solvothermal Method for Photocatalytic Dye Degradation Under Solar Light
Introduction Semiconductors are particularly useful as photocatalysts due to a favorable combination of electronic structure, light absorption properties, and excited-state lifetimes1. Among various semiconductors employed, zinc oxide (ZnO) is well known to be an...
Read MoreAdsorption Capacity of The As-Synthetic Graphene Oxide for The Removal of Alizarin Red S Dye from Aqueous Solution
Introduction Textile dyeing process is an important source of an environmental pollution. One of the most problems of textile wastewater in addition to both toxic and carcinogenic nature is color effluent. Particularly, alizarin red...
Read MoreSynthesis, Spectral and Electrochemical Properties and DFT Studies of Two Complexes of Ruthenium with Bis-2,3-(2-Pyridyl)Pyrazine and 4-Picoline
Introduction There has been considerable current interest in the synthesis of platinum metal complexes1-13 having fascinating catalytic6,7,12, biological11,12 and photophysical/photochemical12 properties. The coordination environment around the central metal often influences these properties of the...
Read MoreSynthesis of Novel 2-Butyl-1H-Benzo [4, 5] Imidazo [1, 2-A] Imidazo [4, 5-E] Pyridine-5-Carbonitrile Derivatives and Evaluation of Their Anticancer Activity
Introduction Cancer is a major health concern globally with huge number of patients suffering throughout the world. The agony and relative death rate caused by it is very high in developing countries due to...
Read MoreA Comparative Study of the Various Methodologies for Estimation of Green House Gas Emission from Waste Water Treatment Systems
Introduction The Earth is the only planet in the solar systems that supports life due probably presence of water, oxygen – rich atmosphere, and a suitable temperature. Only Earth is known to have an...
Read MoreOptimization Method for The Synthesis of Fatty Amide Surfactants from Oleic Acid Catalyzed by Immobilized Lipase
Introduction Fatty amide is surfactant containing amide bond, where this bond is chemically and physically very stable in alkaline media [1]. This surfactant is a nonionic surfactant and has been developed in the industry...
Read MoreFormation Equilibria of Ternary Complexes of Co(Ii) with Girard T (Gt) and Some Amino Acids in Aqueous Solution
Introduction Recently there has been considerable interest in the study of binary, ternary and quaternary complexes by pH-metric method (1-4). Ternary metal complexes in presence of organic and inorganic ligands, amino acids, peptides, proteins,...
Read MoreA Simple Colorimetric Procedure for Differentiating Anions using Flower Pigments from Anthurium andreanum
Introduction Interest in anion recognition has grown in recent years. This can be attributed to its significance in biological, chemical and industrial systems.1,2 Anion sensors being developed are generally composed of a recognition unit...
Read MoreIn Vitro Antibacterial, Antifungal and Phytochemical Analysis of Methanolic Extract of Fruit Cassia Fistula
Introduction Cassia fistula plant have naturally occurring bioactive compounds and are mostly secondary metabolites which are now a days being used as medicines, dietary supplements and other useful commercial products1. Also, has been reported...
Read MoreResearch of Porization and Adsorptions in High-Porous Adsorptive Layers of Vermiculite
Introduction In the production, transportation, processing, and emergency oil and petroleum products in large quantities enter into the industrial and waste water, and as well as into the open water, disrupting the natural biochemical...
Read MoreCationic Ring Opening Copolymerization of 1,3-Dioxolane with Styrene by Montmorillonite Maghnite-H+Catalyst
Introduction Clay minerals, a large family of alumino-silicate structures with a range of chemical composition, structure and surface properties, are very reactive materials due to their small grain size large surface area, adsorption properties...
Read MoreChemical Composition of The Essential Oil of Carduncellus Helenioides (Desf.)Hanelt from Algeria
Introduction The term of medicinal plants include a various types of plants used in herbalism and some of these plants have a medicinal activities. These medicinal plants consider as a rich resources of ingredients...
Read MoreImprovement of Efficiency and Electrical Energy Consumption of AB74 Degradation Process using A Novel Cylindrical Batch Photochemical Reactor.
Introduction Synthetic dyes are used extensively in different industries such as textile, cosmetics, food, pharmaceutical, tanning, paper, etc. It has been estimated that 1-20% of the world dye production is released into the environment...
Read MoreParthenium Hysterophorus. L. (Asteraceae) : A Boon or Curse? (A Review)
Introduction From the ancient time human being depends on plants species for their different needs. Various reports are available on utilization of various parts of the plants including weeds1,2,3. Parthenium hysterophorus (Linn.) (Asteraceae) is...
Read MoreHeadspace-Single Drop Microextraction Followed by Gas Chromatographic Determination of Key Aroma Compounds in Tomato Fruits and Their Sample Products
Introduction Tomato (Lycopersicon esculentum Mill.), a member of the Solanaceae family, is one of the most important sources of essential nutrients worldwide. Botanically, it is a berry fruit, but it is cultivated and used...
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