Volume 32, Number 5
Volume 32, Number 5
Inhibition Studies of Rosmarinus Officinalis on The Pitting Corrosion Resistance 439LL Ferritic Stainless Steel in Dilute Sulphuric Acid
Introduction Pitting corrosion is one of the most dangerous forms of localized corrosion of stainless steel alloys, and generally exists in a wide variety of corrosive environments. The chloride ion is the most common...
Read MorePhytochemical Properties of Processed Chickpea Varieties of Haryana (India)
Introduction Various antioxidants such as tert-butylhydroquinone (TBHQ), butylatedhydroxytoluene (BHT), propyl gallate and butylatedhydroxyanisole (BHA) are synthetically produced and found to have scavenging properties suitable enough for the treatment of various ailments. However, due to...
Read MoreSorption Isotherm Model of Zinc (II) onto Thermally Treated Rice Husk
Introduction Heavy metals are toxic and hazardous pollutants in water caused by due to their non-biodegradable and persistent behaviours in the environment1. Zinc is one of the heavy metals discharged from industrial effluents. Its...
Read MoreStudies on Alumina Incorporated Polyesteramide Derived from Meliaazedarach Seed Oil
Introduction Polyesteramide resins are amide modified alkyds embedded with both amide and ester groups, reported for improved performances in terms of hardness, ease of drying, water vapour resistance over normal alkyds which contain only...
Read MoreMass Transfer Characteristics of Sodium alginate (SA) and Lignosulphonic acid (LS) Blends
Introduction Diffusion of small molecules through the polymers has significant importance in different fields such as drug and pesticides delivery, packaging industries, membrane separation, extraction of solvents. Mass transfer with in a polymer depends...
Read MoreArtonin O, a Xanthone Compound from Root Wood of Artocarpus Rigida
Introduction We have previously reported that from the root bark of A. rotunda (Houtt.) Panzer, one of endemic species in Indonesia, obtained from Hutan Raya Bengkulu, has been isolated prenylated flavone, artonin E as...
Read MoreSesmum Indicum Oil as a Potential Inhibitor for the Corrosion of Copper in Acidic Environment
Introduction Control of metal’s corrosion is a sensitive part of scientific, commercially, and atmospherically point of view. The work on latest and eco friendly corrosion inhibitors has become a necessary to protect different important...
Read MoreEffect of Zn Content on the physicochemical Characteristics and Photoactivity of ZnO supported Activated Carbon
Introduction Water and wastewater treatment is still the focus in environmental protection. Contamination of organic and dye compounds in aquatic system get interest refer to its potencies from several industrial activities. Several techniques were...
Read MorePhysico – Chemical Study of Transition Metal Complexes with Schiff’s Base derived from Naphthaldehyde and Substituted Aromatic Amines
Introduction These days considerable attention is being paid to the chemistry of complex compounds of Schiff’s base containing nitrogen and other donor atoms.1- 4 Schiff’s base offer a versatile and flexible series of ligands...
Read MoreInsights into the Reaction Mechanism of the Tetrahydrobenzo[b]pyran by means of Kinetic Studies in the Presence of Fructose as a Green Catalyst
Introduction A significant tool for synthesize in organic chemistry is multiple component reaction (MCR) method with via solvent-free or in water [1-4]. The multicomponent process (MCPs) provides a powerful method for the construction of...
Read MoreCytotoxicity Activity of Biotransformed Ethyl p-methoxycinnamate by Aspergillus niger
Introduction Microbial transformation has been extensively used to create new metabolites product constituents. This transformation process can be used as an alternative to chemical synthesis for the preparation of pharmacologically active compounds1-4. using Aspergillusniger...
Read MoreSynthesis and Application of Lanio3 Perovskite-Type Nanocatalyst with Zr for Carbon Dioxide Reforming of Methane
Introduction Synthesis gas (syngasH2/CO) is a mixture of H2 and CO that is an important feed used for the petrochemical industry like Fisher-Tropeshprocess. Generally, in syngas cycle with different ratio of H2/CO, variety of...
Read MoreComparison of Conventional and Minerals, Extraction. Extraction Methods for Tio2 Recovery in Mineral Sands
Introduction Titanium dioxide (TiO2) is a mineral that obtained more attention of the scientists and researchers because it has a wide range of applications. TiO2 is an inorganic material exploited widely in various industrial...
Read MoreSynthesis, Characterization and Single Crystal Studies of 3-cyclopropyl-3, 4-dihydroquinazolin-2(1H)-one
Introduction Quinazoline derivatives are known for their anticonvulsant [1], antiinflammatory [2], and insecticidal [3] activities. There are many marketed drugs like Balaglitazone, Nolatrexed, and Verubulin containing quinazoline moiety in them [4, 5]. Many more...
Read MoreWeight Loss in Microemulsion with Eugenol Oil
Introduction It is well known many plants produce important organic compounds such as oils, gum, waxes, pharmaceutical as well as medicinal1. With the advances in equipment and cutting edge technologies, new methods have been...
Read MoreIsolation Compound Anti-Obesity from the Bark Ara (Ficus Racemosa) of Aceh
Introduction Obesity (overweight) is one disease that often occurs among children, adolescents and adults. According to the International Obesity Task Force (IOTF) that more than 1.1 billion adults worldwide are overweight and 312 million...
Read MoreMercury Determination in Biological Organism in the Estuary of Muar River, West Johor, Malaysia
Introduction Mercury is considered as global pollutant element and many of its compounds are highly toxic and readily released into the environment because of their high volatility and mobility. Mercury is one of the...
Read MoreSynthesis of Pyrazolyl Methylene Bisindoles by using Recyclable Nano Copper Ferrite Catalyst and their Anti Bacterial Studies
Introduction Multicomponent reactions (MCRs) have gained considerable attention due to powerful bond forming capacity in combinatorial and medicinal chemistry[1]. These reactions proceed through one-pot procedures to form complex structural target products in a single...
Read MoreSubstantiation of Electron-Seeking Catalysis of Vanadocene Dichloride Oxidative Breakdown in the Process of Vanadium Backwash from Heavy Karazhanbas Oil field
Introduction The synthesis of various organic compounds derivatives on the basis of vanadotcene is widely applied at creation of new catalytic systems for acceleration of homogeneous hydrogenation reactions of unsaturated compounds [1]. It would...
Read MoreA Novel method in Biosynthesis Silver Nanocomposite
Introduction It is understood that silver displays compelling antibacterial properties with low toxicity for humans and animals when compared with other heavy metals and some organic antibacterial agents. Silver and silver compounds are compelling...
Read MoreExtraction of Trace Copper(II) in Water Samples using Ammonium Pyrrolidine Dithiocarbamate(APDC) Modified Carbon Nanotubes to Measurement by FAAS
Introduction Copper at trace concentrations acts as both a micronutrient and a toxicant in marine and fresh water systems [1-6].This element is needed by plants at only very low levels and is toxic at...
Read MoreSilver Nanoparticles-Based Nano-drop Spectrophotometric Determination of Cationic Surfactants Coupled with Hydrophobic Interaction; An Application to Pharmaceuticals and Environmental
Introduction Surfactants are surface-active compounds that can reduce the surface tension of water when used in very low concentrations. Surfactants are amphiphilic compounds. One end of the surfactant is hydrophilic (water soluble), and the...
Read MoreEffect of CO2 on the Conversion of Isobutane over Iron, Cerium and Molybdenum Mixed Oxides
Introduction Isobutene is one of the most important chemical intermediates used in the production of a variety of products, including the high-octane fuel. The increasing demand for isobutene has drawn considerable attention towards enhancing...
Read MoreProcess Optimization Studies of Malachite Green Dye Adsorption onto Eucalyptus (Eucalyptus globulus ) Wood Biochar using Response Surface Methodology
Introduction Dyes are complex chemical compounds having stable aromatic rings combined to result in strong and persistent colour which does not degrade on exposure to light [1]. The use of natural dyes has been...
Read MoreSynthesis and Antioxidant Ability of Some 4-(((4-(5-(Aryl)-1,3,4-Oxadiazol-2-Yl)Benzyl)Oxy)Methyl)-2,6-Dimethoxyphenol
Introduction the free radicals are qualified to cause grave damage to biomolecules, including proteins, lipids, DNA, and carbohydrates.1 This damage lead to causes many diseases such as inflammatory2 and cancers disease 3, degenerative disease4...
Read MoreComparison of Antibacterial Efficacy Chlorohexidine Gluconate and Saudi Myrrh Mouthwashes in the Oral Cavity
Introduction The oral cavity is comprised of many surfaces, each coated with a bacterial biofilm. Normal oral flora can be considerably changed with poor oral hygiene leading to an increase in their virulence some...
Read MoreStudies on Iron Embedded Polyesteramide Resin Derived from Melia-azedarach Seed oil-A Renewable Resource
Introduction Polyesteramide resins are amide modified alkyds contain both amide and ester linkages in the polymeric chain.1-3They have reported for improved characteristics over normal alkyds in terms of hardness, ease of drying and better...
Read MoreAn Electrochemical Study of POPC Phospholipid Bilayers in A Cell Membrane
Introduction 1-palmitoyl-2-oleoylsn-glycero-3-phosphocholine bilayers (POPC) has important rule in the electrochemical properties of a cell membrane in the fluid phase. The composition of a cell membrane directly affects cell membrane functions include membrane permeability, cell...
Read MoreStudies of Acid Activation and Thermodynamic Characteristics of Aluminosilicates in Sorption Process of Phosphorus Release from Sludges
Introduction In the course of phosphorus production is formed a quantity phosphorus-containing sludges which depend on many factors-qualities and preparation mode of raw materials, technological mode of carrying out process, etc. The problem of...
Read MoreSynthetic Studies and Antibacterial Activity of Nucleobases and their N- and S-Glucosidesfrom 2-Amino Benzoic Acid and its Benzamido Derivatives
Introduction Natural nucleosides and glycosides are glycosylamines consisting of nucleobases (often referred to as pyrimidine and purine derivatives). They are bound to a ribose or deoxyribose sugar via a beta-glycosidic linkage.1 In molecular biology,...
Read MoreQuantitative Monitoring of the Volatiles from The Aerial Parts of Satureja Hortensis by The Use of HS-SPME-GC-MS Approach
Introduction In the plant sciences, the Lamiaceae family has been known in detail of which many species can produce adequate essential oils having versatile pharmaceutical characteristics. In the literature, it has been pointed out...
Read MoreDry Reforming of Methane Over Various Doping Level of Ce on La1-Xcexni0.4Fe0.6o3perovskite nano catalyst
Introduction Dry reforming of methane (DRM) CH4+ CO2 ↔ 2CO + 2H2ΔH298k = 247 kJ/mol (1) CO2 + H2 ↔ H2O...
Read MoreHighly Efficient Synthesis of New 2H-Chromene Dyes using Cu-SBA-15
Introduction 2H-chromenes are very important heterocyclic compounds which have shown biological activities1-4, some medical properties such as antihypertensive5 and cardio protectors as well as hypoglycemic agents6,7.Some of them are insecticide compounds8.In the recent years,...
Read MoreAn Efficient and Novel Regioselective Synthesis of Phosphonylpyrazoles from Vinylazides and Bestmann-Ohira Reagent
Introduction The Bestmann–Ohira reagent (BOR, dialkyl α-diazo-β-oxopropylphosphonate) a modified version of Seyferth-Gillbert reagent,1 is well known and an efficient reagent for the homologation of aldehydes to terminal alkynes under gentle basic conditions.2 It is...
Read MoreExtraction of Trace Cd(II) in Real Samples using Multi Walled Carbon Nanotubes Carboxylate
Introduction The transition metals including Cd(II) and Pb(II) etc. are an important risk for humans and animals[1–3]. Also heavy metals at trace levels are components of the natural biosphere. Because the main sources of...
Read MoreFabrication and Characterization of Core/shell ZnO/Gold Nanostructures” and study of their Structural and Optical Properties”
Introduction Gold metal nanostructures such as ZnO/Au are attractive and more interested subject for using ranging from medical diagnostics to optoelectronic devices because of their localized surface plasmon resonance (SPR) emission due to visible...
Read MoreA Study on Biological and Catalytic Activity of CSB Derivative and its Cobalt and Nickel Complexes
Introduction Biopolymers were found in nature and can be easily extracted. Hence, the present work deals with polysaccharides, such as chitosan, an amino polysaccharide [1]. The properties and applications of chitosan can be enhanced...
Read MoreEvaluation of Sudanese Phosphate Rocks by two Rapid Methods for Determination of Total and Available Phosphorus: Comparative Study
Introduction Phosphate rock is a general term used for rocks that contain a high concentration of phosphate minerals, which commonly belong to the apatite group. Phosphate rock minerals are the significant global Resources of...
Read MorePhysio-chemical Investigation and Natural Bond Orbital Analysis of the Most Actives Ingredient of Fennel Plant
Introduction Foeniculum vulgare commonly known as fennel is a biennial medicinal and aromatic plant belonging to the family Apiaceae (Umbelliferaceae) 1. Based on many phyto-constituents in fennel plant such as trans-anethole, and estragole compounds,...
Read MoreSpectrophotometric Determination of Chromium(III) and Iron(III) by used of 2-((E)-(1H-Benzo[D]Imidazol2-Yl)Diazenyl)-5-((E)-Benzylideneimino) Phenol;(BIADPI) as Organic Reagent
Introduction Azo Schiff base compounds are very important well known and generally used substances in cosmetics industries and textile paper and coloring agents for foods [1].Azo Schiff bases essential intermediates for the production of...
Read MorePolyporphyrin Complexes of Some Transition Metals. Synthesis and Catalytic Properties
Introduction Metal porphyrins are wide spread in Nature and are the part of the whole range of enzymes, which are the effective catalyzers of hydrocarbon oxidation reactions. The actual task is creation of industrially...
Read MoreSynthesis, Properties and Hydration Characteristics of Novel Nano-Size Mineral Trioxide and Tetracalcium Phosphate for Dental Applications
Introduction Exposure of dentin to the oral environment leads to a painful clinical condition known as Dentinal hypersensitivity (DH)[1]. Attrition, abrasion, erosion, abfraction or gingival recessions are themain reasons for dentin exposure [2]. The...
Read MoreSynthesis and Characterization of 4-Phenacyloxy Benzaldehyde Derivatives
Introduction Ether compounds have the same functional group –COC–. Compounds that can be categorized as ether is the aryl ether, allyl ethers, phenolic ethers, phenacyl ether, and polyether. Phenolic ethers or aromatic ether is...
Read MoreSyntheses of Enaminone-Based Heterocyclic Compounds and Study their Biological Activity
Introduction In our previous work 1,2 , we were interested in the synthesis of enaminones so it is a theme of ongoing interest. Enaminones are versatile precursors that have been utilized extensively as building...
Read MoreThe Development of Centellaasiatica Extract-Loaded BSA Nanoparticles Production to Improve Bioavailability
Introduction C. asiatica(Bao-bog) is herbal in Asia. In Ayurvedic, an Indian system of medicine, C. asiaticais used for the treatment of leprosy, insanity, asthma, ulcers, eczema, skin and gastrointestinal disorder, arthritis, varicose vein and...
Read MoreOptimisation of Arsenic (III) by Colorimetric Incorporated with Image Processing Technique
Introduction Inorganic arsenic contamination has caused a remarkable impact on the contamination of soil and groundwater in many countries of the world1. Arsenic occurs in nature water in various forms of inorganic and organic2...
Read MoreSpecific Surface Area and Porosity Measurements of Aluminosilicate Adsorbents
Introduction Adsorption is the process in which matter is extracted from one phase and concentrated at the surface of a second phase. This is relatively weak, reversible, adsorption capable of multilayer adsorption. Physical gas...
Read MoreMembrane and Adsorption Processes for Removing of Organics and Inorganics from Urban Wastewaters
Introduction Coal as fossil fuel is the most abundant fossil fuel resource in most countries including Kosovo, and many studies described it as the bridge to future energy systems, while stressing world coal prospects,...
Read MorePhysicochemical characteristic of BaTi0.95Zr0.05O3
Introduction Barium titanium oxide, BaTiO3 (BT), was discovered for the first time during World War II in 19411. This compound which crystallizes in the perovskitestructure was widely used because it’senhanced dielectric permittivities2. BT presents a transition...
Read MoreTautomeric Study of Neutral, Protonated and Deprotonated Isorhodanine Based on High Level Density Functional Theory
Introduction Derivatives of rhodanine family, a structurally distinct class of heterocyclic compounds, have accepted important prevalence in medicinal, pharmaceutical chemistry, as well as in the industrial applications1,2. Of particular interest is their ability to...
Read MoreOperating Characteristics of Diene-Urethane Elastomers on the base of NISSOG 3000 Oligodienediol
Introduction Injection molding compositions on the basis of liquid rubber are becoming more widely used in a production of the manufacture of sealants, waterproofing and sports coatings. Polydieneurethane elastomers on the basis of oligodienedioles...
Read MoreComposition of Volatile Oil and Methanolic Extract of Jordanian Melissa Officinalis L. and Actions Againsthuman Cancer Cell Lines
Introduction Most people living in less developed countries rely almost exclusively on traditional medicines for their healthcare needs. In Jordan also many people use herbal medicines as alternative, additional or complementary medicine [1-2]. However,...
Read MoreLinear Copolymer of N-Isopropylacrylamide and 2-Hydroxyethylacrylate: Synthesis, Characterization and Monomer Reactivity Ratios
Introduction Among the synthetic polymers characterized by thermosensitive behavior the systems based on N-isopropylacrylamide (NIPAAm), whose homopolymerhas a lower critical solution temperature(LCST) in water, are the most studied ones. Poly(N-isopropyl acrylamide) PNIPAAm dissolves at...
Read MoreA study of Fe3O4@ Si18O27 catalyst through Statistical-Nucleus Independent Chemical Shifts(S-NICS) method
Introduction Electronic towards the structural aspects have proved to be an important key in physical organic chemistry in the explanation of structures, reactivity and stabilities of various organic compounds and natural product molecules1 ....
Read MoreSynthesis of Amorphous Polylactide and Poly(lactide-co-glycolide) Containing High L-form Enantiomer for Use in Controlled Release Drug Delivery
Introduction Controlled release drug delivery systems made from biodegradable particles provide several benefits over traditional formulations.1Prior to release, the drug is protected from degradation or premature metabolism by the polymeric particle matrix. The release...
Read MoreA Newly Improved Modified Method Development and Validation of Bromofenac Sodium Sesquihydrate in Bulk Drug Manufacturing
Introduction Bromofenac sodium sesquihydrate (which is the sodium salt of 2-amino-3-(4-bromobenzoyl)phenyl acetic acid, also sometimes referred to as sodium 2-amino-3-(4-bromobenzoyl)phenyl acetate sesquihydrate, having the empirical formula C15H11BrNNaO3.1.5H2O) in Figure-1 is a non-steroidal anti-inflammatory drug...
Read MoreProton-Exchange Membranes Based on Sulfonated Polymers
Introduction The advantage of fuel cells (FC), compared with other chemical current sources, consists in the possibility of a continuous supply of fuel and continuous current withdrawal for an unlimited period of time, as...
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