Volume 32, Number 4
Volume 32, Number 4
Assessment of Trace Metals in Groundwater of Jammalamadugu and Yerraguntla Areas of YSR Kadapa Dt., AP, India
Introduction Groundwater has been used as a source of drinking water for millions of rural and urban families in India. But unfortunately due to lack of proper groundwater quality-monitoring network and appropriate water resources...
Read MoreSensing of Acetone Vapours using Polymer Composite
Introduction Gas detection instruments are increasingly needed for industrial health and safety, environmental monitoring and process control. To meet this demand, considerable research into new type of sensors is underway to enhance the performance...
Read MoreApplication of Corn Cob as a Natural Adsorbent for the Removal of Mn (Vii) Ions from Aqueous Solutions
Introduction Manganese is the second most abundant metal in nature. Its most common mineral is pyrolusite (MnO2). It is an essential metal for the human system and enzymes activation. It has a variety of...
Read MoreNovel and Efficient Method for The Synthesis of 4-Chloro-5, 6-Dihydro Pyran Derivatives using Lewis Acidic Chloroaluminate Ionic Liquids
Introduction Substituted dihydropyrans are the key intermediates for the synthesis of many natural products1.Many natural products like Swinholides2a, Laulimalides2b, Ambruticins2c and Jerangolids2d contains dihydropyran skeleton. Moreover, the olefin function is having synthetic value for...
Read MoreEffect of Processing on Ferulic Acid Content in Foxtail Millet (Setaria Italica) Grain Cultivars Evaluated by HPTLC
Introduction Millet grain phenolics possess bioactivities against several pathophysiological conditions and may serve as potential natural sources of antioxidants in food and biological systems (1.Shahidi & Chandrasekara, 2013). They are the cereal crops with...
Read MoreThe Effect of Calcination Temperature on Synthesis of B4C-Nano Tib2 Composite by Co-Precipitation Method
Introduction As one of the hardest materials known, boron carbide ranks third behind diamond and cubic boron nitride. Boron carbide (B4C) ceramics possesses excellent mechanical and physical properties of good impact and wears resistance,...
Read MoreA New Method for Descaling Wool Fibres by Nano Abrasive Calcium Carbonate Particles in Ultrasonic Bath
Introduction Wool fibers form 3% of total world fibers consumed in the production of textiles [1]. Wool fabric shows a high amount of wrinkle resistance and stability of Shape which is due to the...
Read MoreBicyclic Diterpenoid and Phytosterol Constituents from Andrographis Paniculata (Nees)
Introduction Andrographis paniculata has been used for centuries as a medicinal herb due to its unique ability to treat various ailments like jaundice, asthma, hypoglycemia, leprosy, gonorrhea, scabies, skin eruptions, hypertension, upper respiratory infections,...
Read MorePre concentration of pesticide residues in environmental water samples using Silica nanoparticles and identification of residues By GC-MS method
Introduction Nanotechnology is an interdisciplinary area of research involving chemistry and physics which is growing rapidly for the past one decade. Nanoparticles have taken a key role in developing new drugs and pharmaceuticals for...
Read MoreMg(Clo4)2 as A Recyclable Catalyst for Synthesis of 4H-Chromenes
Introduction 4H-chromenes are important heterocyclic structural with a number of biological and pharmacological properties including anti-cancer [1],anti-tumor [2], anti-proliferative [3], antidiabetic [4], anti-viral [5], and anti-microbial [6], antidepressant[7], activities. They have also been widely...
Read MoreRemoval of Chromium with The Complexing Agents from Industrial Effluents
Introduction Heavy metals are widely used in a variety of industrial activities and the wastes from these industries constitute a major source of heavy metal pollution in the environment. The heavy metals are toxic or...
Read MoreGA based Optimization of Control System Performance for Juice Clarifier of Sugar Mill
Introduction This raw juice obtained from crushing mill contains some impurities hence it is sent to clarifier. In clarification process, the impurities are transformed to a thick paste of mud which settles down in...
Read MoreSilver Nanoparticles Green Synthesis using Aqueous Extract Citrus Reticulate Var Page
Introduction In last decade, study on silver nanoparticles becomes a worldwide interest due to their potential in industrial and biological application such as ceramics, photoelectric, environmental pollution remedy, drug delivery, medicine and chemistry (1)....
Read MoreTemperature Dependent Equation of State for Solids
Introduction It is of great importance in geosciences to explain the thermo elastic behavior of minerals, ionic and metallic solids, alloys etcpresent in deep interior of the earth under high pressure and high temperature...
Read MoreRelationship of Percentage and Oil Yield with The Physicochemical Properties of Native Castor Genotypes from Iran
Introduction Castor plant (Ricinus communis L.) is a member of Euphorbiaceae1. This plant is also called castor oil plant and is sold under the trade name of Neoloid. A hybrid and diploid plant with...
Read MoreA Study of Ultra-Violet Irradiation on Epithelial Tissue of Fresh Water Fish, “Puntiussophore”
Introduction Puntius Sophore is one of the nutritionally superior SIFs [11, 16 – 18]. Nutritional composition of fish varies with the variables as zoogeography, size, season etc. The present study was undertaken to investigate...
Read MoreThe Effect of Fatty Amine Chain Length on Synthesis Process of Inp/Zns Quantum Dots
Introduction Semiconductor nanocrystals, also called “Quantum dots”, display unique optical properties due to quantum confinement effect as their size is smaller than Bohr exciton radius [1]. Exclusive properties of quantum dots have caused emersion...
Read MoreSynthesis, Characterization and Antimicrobial Evaluation of Novel (E)-N’-(4-(1-((3,4-Dimethoxypyridin-2-Yl)Methyl)-1H-1,2,3-Triazol-4-Yl)Benzylidene)Benzohydrazide Derivatives
Introduction The growth of 1,2,3-triazoles for drug discovery and industrial use has been shown to be very resourceful.The interest in the 1,2,3-triazole is due to it being non-toxic, benign and stable. Triazoles are predominantly...
Read MorePhysicochemical Evidence for the Adsorption of Extract of Jacaranda Mimosifolia on Steel Against Corrosion in Acid Medium
Introduction Steel corrosion in acidic solutions has become an intensive academic research topic since it can greatly influence the economy of any country. It has been reported by several researchers that steel corrosion can...
Read MoreElectrochemical and Corrosion Inhibition Studies of Cucurbita Maxima
Introduction Acid solutions are widely used such as in acid pickling, industrial cleaning, oil well cleaning, etc [1].Corrosion inhibitors are used to reduce the corrosion rate of metals in contact with acidic environment [2].Most...
Read MoreNovel and Efficient Microwave-Assisted Three Component Reaction for the Synthesis Ofoxazine Derivatives
Introduction Heterocyclic skeletonsserve as ideal scaffold on which pharmacophorecan be appended toyield potent and special drugs. (1) .this is especially true for heterocyclic compound (six member ring), that possess a wide range of interesting...
Read MoreActive and Passive Filter Combination in Scale up Purification of Sardine Fishmeal Oil by-Product
Introduction Fish oil for human consumption can be divided into three areas: as a pharmaceutical constituent, as a health food component and as an ingredient for the food industry. Further, fish oil is also...
Read MoreMolecular Interaction Studies of Benzyl Alcohols with Methacrylates in Carbon Tetrachloride using Frequency Domain Technique
Introduction Benzyl alcohol and its substitutents are found in the natural products and used for mechanistic investigation [3, 10, and 14]. Benzyl alcohol is used as a general solvent for inks, paints, lacquers, and...
Read MoreAnalysis of Volatile Metabolites Released by Staphylococcus Aureus using Gas Chromatography-Mass Spectrometry and Determination of its Antifungal Activity
Introduction Staphylococcus aureus is a Gram-positive spherical bacterium approximately 1 μm in diameter. On a rich medium, S. aureus forms medium size “golden” colonies. One of the important characteristics of S. aureus is its...
Read MoreFe- Containing Ionic Liquid Supported on Nanosized MCM-41: An Efficient and Reusable Catalyst in the Synthesis of 2-Aryl Benzimidazole Derivatives
Introduction Mesoporous silica nanoparticles with uniform pore size and a long-range ordered pore structure were first reported in the early 1990s using surfactants as structure-directing agents (SDAs). Now, rapid progress has been achieved in...
Read MoreEffect of Firing for Synthesis of Hydroxyapatite by Precipitation Method
Introduction Hydroxyapatite (HAP), the main component of teeth and bones has received considerable attention as suitable material for bone tissue engineering because it is both biocompatible and osteoconductive1. Reported synthesis of hydroxyapatite using various...
Read MoreInvestigation of Physico-Chemical and Biological Characteristics of Various Lake Water in Coimbatore District,Tamilnadu,India
Introduction Water is the elixir of life, an expensive gift of nature to mankind and millions of other species living on the earth. It is fast becoming a scare commodity in most part of...
Read MoreThe use of Liquid Smoke as A Substitute for Nitric Acid for Extraction of Amorphous silica from Rice husk through Sol-Gel Route
Introduction Rice husk is an agricultural waste abundantly available in rice-producing countries, such as Indonesia. Representing around 20% mass of the whole rice1-3, rice husk is one of the most important agricultural residues in...
Read MoreSkin and Liquid Crystal: A brief review on their similarities
The Structure of Skin The skin (Figure 1a) together with its derivatives such as glands, nails, hair and other structures are termed as the Integumentary System. This integument is the skin covering the body...
Read MoreValidated HPTLC and Stability Indicating RP-HPLC Methods for the Simultaneous Estimation of Moxifloxacin and Dexamethasone in Bulk and Ophthalmic Dosage Form
Introduction Moxifloxacin (Fig. 1) is chemically 7-[(4aS,7aS)-octahydro-1H-pyrrolo[3,4-b]pyridin-6-yl]-1-cyclopropyl-6-fluoro-8-methoxy-4-oxo-1,4-dihydroquinoline-3-carboxylic acid. The bactericidal action of MOX results from inhibition of the enzymes topoisomerase II (DNA gyrase) and topoisomerase IV. DNA gyrase is an essential enzyme that is...
Read MoreElectrocatalytic Activity and Electrochemical Impedance Spectroscopy of Poly(Aniline-Co-Ortho-Phenylenediamine) Modified Electrode on Ascorbic Acid
Introduction The determination of ascorbic acid (AA) has become very important since AA is known to be present in human brain and also involves in several biological processes 1.Recent studies have demonstrated that the...
Read MoreEffect of the Chemical Structure of m and p N-Vinylbenzylidene of 5-Methyl-Thiazole and 1,2,4-Triazole on Antimicrobial Activity
Introduction The world health organization defines the antimicrobial resistance (AMR) as the ability of microbes to resist the effects of drugs aimed at destroying them [1]. Indeed, the micro-organisms including bacteria, fungus, viruses and...
Read MoreApplications of Metal/Mixed Metal Oxides as Photocatalyst: A Review
Metal Oxides Metal oxides play a very important role in many areas of chemistry, physical and materials science [1-6]. Metal oxides are formed as a consequence of co-ordination tendency of metal ions so that...
Read MoreStudy of Complex Mineral Fertilizers on the Basis of A Technogenic Wastes of Phosphorus Production
Introduction According to the development strategy of “Kazakhstan – 2030”, а special attention in the development of the chemical industry is paid to complex processing of technogenic wastes and attraction of substandard mineral resources...
Read MoreA Comparative Electrochemical Study on Corrosion Inhibition of Iron by Synthesized Tetraphenylphosphonuim Iodide in Acid Media
Introduction Phosphonium salts have gained an increasing interest due to their successful applications in different fields of chemistry, such as the corrosion inhibitors. Thus, by definition, a corrosion inhibitor is a chemical substance that,...
Read MoreAn Efficient, Solvent Free One Pot Synthesis of Tetra substitue dimidazoles Catalyzed by Nanocrystalline γ-alumina
Introduction Among heterocycles, imidazoles are an important class of compounds being an active component of not only many naturally occurring products like biologically important amino acids histidine, histamine; highly significant biomolecule, vitamin B12, vitamin-H;...
Read MoreSynthesis, Characterization and Reaction of New Ruthenium Aromatic Thioamide Nitrosyls with some Nitrogen Donor Ligands
Introduction The chemistry of metal nitrosyls that release NO has gained an intensive area of research interest during the recent years, since such species could be used in certain biological processes, like neurotransmission, tumor...
Read MoreH2O2/UV Photo-Oxidation of Gadung (Dioscorea Hispida Dennst.) Starch and its Product Physicochemical Characterization
Introduction Low viscosity but high stability, clarity, film forming and binding properties has brought oxidized starch become one of important biomaterials in food and industrial applications1. The food products where oxidized starch is used...
Read MoreA Study on Nitrate Ion Reduction in Water with Zero-Valent Iron Loaded Nano-Titania Prepared from Ilmenite Ore
Introduction Nitrate ion are considered as hazardous environmental contaminants of ground and surface water. According to the US Environmental Protection Agency (EPA), nitrate ion threshold concentration in drinking water should not exceed 10 mg/ Lit...
Read MoreSynthesis and Antimicrobial Activity of Azetidin-2-One Fused 2-Chloro-3-Formyl Quinoline Derivatives
Introduction Substituted quinolines are very simply, efficiently and conveniently synthesized in less time and high yield with less amount of raw material under mild condition with the help of Vilsmeier-Haack reagent (DMF+POCl3) and substituted...
Read MoreImprovement in Corrosion Protection of Zinc by A Natural Inhibitor Incorporated with Zinc Oxide Nanoparticles in an Acidic Medium Evaluated using Gravimetric Measurement, Electrochemical Method and Atomic Force Microscopy
Introduction Zinc is an active metal that can easily be corroded in acid medium. Many synthetic organic compounds show good anti-corrosive activity, but many of them are highly toxic and can cause severe harm...
Read MoreA Study of Fe3O4@ Zigzag, @Armchair and @Chiral Swcnts and α and γ Cyclodextrins
Introduction Fe3O4 nanoparticles (MNPs) are one of the most intensively studied magnetic nanoparticles and can be applied in a variety of areas, ranging from drug delivery1 and bio-sensing2, dynamic sealing 3, and cell labeling4...
Read MoreGrowth and Characterization of an Organic Crystal and DFT Studies of 2-Amino 5-Methyl Pyridinium Salicylate
Introduction Nonlinear optical materials are attracting a great deal of attention, because of their use in photonic devices, sensors and laser spectroscopy [1-5]. Many investigations are being carried out to synthesize new organic materials...
Read MoreDetection of Toxic Metals in Lipsticks Products in Riyadh
Introduction Cosmetics have come to stay as part of products we use on a daily basis. With its usage also comes the undesirable threat of effects of heavy metals, which may be present in...
Read MorePreparation and Characterization of Amorphous Silica and Calcium Oxide from Agricultural Wastes
Introduction Rice husk and bagasse areagricultural waste material abundantly available in Thailand.They areimportant biomass sources, which used as a fuel in the brick industry and sugar industry, respectively. As a result, a large quantity...
Read MoreEvaluation of Melissa Officinalis Extract and Oil as Eco-friendly Corrosion Inhibitor for Carbon Steel in Acidic Chloride Solutions
Introduction The use of chemical inhibitors is one of the most practiced methods for protecting against corrosion, especially in acid media, to prevent metal dissolution and acid consumption [1]. Various organic and non-organic compounds...
Read MoreMelanogenesis Inhibitory Activity of Rhododendron Weyrichii in Mouse B16 Melanoma Cells
Introduction Melanin plays an important role in protecting human skin from the harmful effects of ultravioletradiation from the sun. In addition, melanin determines our phenotypic appearance. Melanin biosynthesis proceeds through acomplex series of enzymatic...
Read MoreA Comprehensive Account of Spectral, NLO,NBO Analysis, Hartreefock and Density Functional Theory Studies of 1-Methyl 2, 6-Diphenyl Piperidin-4-One
Introduction Piperidones belongs to an important class of hetro cycles which are found to possess a variety of biological activities including cytotoxic and anticancer properties [1]. Derivatives of piperidones have attracted chemists and also...
Read MoreRelaxation Study of N-Submitted Amides with Alcohol Mixtures by Time Domain Reflectometry
Introduction Alcohols are versatile organic liquids used in chemical industries as solvents for oils, resins and antifreeze for explosive. Amides are the simplest molecules containing a peptide linkage and a study of their hydrogen...
Read MoreSynthesis and Photophysical Properties of Rhenium(I)-Alkynyl Molecular Rectangles
Introduction In the natural photosynthetic apparatus, energy is harvested by antenna pigments and transferred into a reaction center where charge separation takes place1,2. Since the natural light-harvesting system contains a larger number of different...
Read MoreModeling of Competitive Ultrasonic Assisted Removal of The Crystal Violet and Aura Mineo using Mwcnts Functionalized by N-(3-Nitrobenzylidene)-Nˊ-Trimethoxysilylpropyl-Ethane-1,2-Diamine:Equilibrium, Kinetics and Thermodynamic Study
Introduction The colored dye effluents are considered to be highly toxic to the aquatic biota and affect the symbiotic process by disturbing the natural equilibrium by reducing photosynthetic activity and primary production due to...
Read MoreRecent Advancements and Biological Activities of Aryl Propionic Acid Derivatives: A Review
Introduction Medicinal chemistry is the discipline which is concerned in determining the influence of chemical structure on biological activity. Medicinal chemistry developed from an empirical one involving organic synthesis of novel compounds is based...
Read MoreElectrodeposition of Platinum Nanoparticles on Polyaniline Modified Electrode and its Electrocatalytic Activity Towards the Oxidation of Methanol
Introduction More demand for applying conducting polymers has led to improve the technology of synthesis them as the materials with wide applications. A thin film of conducting polymer on the electrode may improve the...
Read MoreDereplication Study on Glaucium Aleppicum Boiss. in Jordan
Introduction Plants have been used as medicines for thousands of years. Historically, natural products have played an important role in treating and preventing diseases [1]. They have long been and will continue to be...
Read MoreStudies on The Synthesis of Fluorinated Schiff Bases; Biological Activity of Resulting (E)-N-Benzylidene-2,3,5,6-Tetrafluoropyridin-4-Amine and 4-Amino-2-Ethoxy-3,5,6-Trifluoropyridine
Introduction Fluorinated compounds have gained an increasing interest due to their successful applications in different fields of chemistry, such as supramolecular studies; design of new materials and as important starting materials in the syntheses...
Read MoreAdsorption of Naphthol Blue Black Dye onto Acid Activated Titania Pillared Bentonite: Equilibrium Study
Introduction Removal of dye wastewater is a major problem face in the food, pharmaceutical, cosmetics, paint, pigment, paper, printing, and textile industries. Inefficiencies in the textile dying processes result to more than 15% of...
Read MoreEvaluation of Antifungal and Antibacterial Activity and Analysis of Bioactive Phytochemical Compounds of Cinnamomum Zeylanicum (Cinnamon Bark) using Gas Chromatography-Mass Spectrometry
Introduction Cinnamomum zeylanicum Blume (Lauraceae), is called true cinnamon. Cinnamon is an evergreen of tropical area reachingabout nine meters high and covered with a smooth, pale bark1-3. It is considered to be the native...
Read MoreNovel and Improved Method for the Synthesis of 2-Mercaptobenzimidazole Derivatives
Introduction Thiols are very useful building blocks for the synthesis of various organosulfur compounds: they have several applications in organic synthesis, in bioorganic, medicinal and heterocyclic chemistry [1]. Also, in addition to that, thiols...
Read MoreThe Salts of Fatty Acids as Precursors for Preparation of Silver Nanoparticles in Organic Solvents
Introduction Interest in the silver nanoparticles and materials with their use is increasing rapidly mainly due to their unusual physical characteristics different from the properties of the corresponding compact materials [1-4]. Colloidal solutions of...
Read MoreAnti-Inflammatory Potential of Rape Flower in Lipopolysaccharide-Stimulated RAW 264.7 Macrophages
Introduction Plant-derived natural products have been a historically rich source of active ingredients in the treatment and prevention of human skin diseases. Numerous cosmetic ingredients for topical applications have been directly or indirectly derived...
Read MorePreparation and Characterization of Keratin Blended Films using Biopolymers for Drug Controlled Release Application
Introduction Studies on protein materials, such as collagen, gelatin, albumin, silk fibroin and keratin, have been increasing gradually, and have already been applied as biomaterial for many purposes1. This is due to people around...
Read MoreClassification of Zintl Ion Clusters using 4n Series Approach
Introduction Zintl ion clusters are normally generated by the reactions between alkali and alkaline earth elements in anhydrous liquid ammonia or ethylenediamine1. They are found to possess polyhedral geometries like boranes or metal carbonyl...
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