Volume 32, Number 2
Volume 32, Number 2
Adsorption Behavior of Alkali Metal (Na+, Li+, and K+) from Bledug Kuwu Brine by Resin Adsorbent for Purification: pH and Flow Rate Parameter
Introduction Purification is an important step in the advanced technology of waste. Since numerous valuable minerals are dissolved in mud volcanoes, like Cu, Pb, Zn, Mn, Fe, Cd, As, Sb, Au, Ag, Hg, and...
Read MoreMiniaturization in Rational drug design of Pharmaceuticals – A Review
Introduction In early phases of development, only small amounts of the active pharmaceutical ingredient (API) are available. With difficult drugs however, many different formulations are necessary to achieve adequate bioavailability. Therefore, low API consumption...
Read MoreOne Pot Synthesis of Formyl benzyl terpyridine – A simplified synthesis.
Introduction Aldehydes are the versatile reagents in the organic synthesis and especially aromatic aldehydes has been extensively used as a starting reagent for various products through various types of reactions 1-4. Synthesis of Oximes...
Read MoreAn Efficient Approach for the Synthesis of Pyrazolo[1,2-a][1,2,4]Triazole-1,3-Diones Using an Electrochemical Cell
Introduction Many of heterocyclic compounds containing nitrogen have significant synthetic and biological importance, which act as polyfunctionalized fragments, agrochemicals, and pharmaceuticals [1–10]. Pyrazolourazoles as their fused derivatives with diverse structures have attracted much interest...
Read MoreSynthesis and Structural Characterization of Schiff Base Ligand and their Metal Complexes
Introduction In recent years,1-10 there has been considerable interest in the chemistry of transition metal of schiff base16-18. This is due to the fact that schiff base transition metal complexes are one of the...
Read MoreStudies on Ricinus Lipase Enzyme Isolated from Castor Seeds
Introduction In plant seeds particularly in castor seeds the utilization of the storage fats is initiated by the step wise hydrolysis of the tri-glycerides to di and mono glycerides and ultimately to free fatty...
Read MoreThree-dimensional free vibration analysis of carbon nanotube reinforced composites annular plates
Introduction In recent years astonishing advances in science and technology have motivated researchers to work on new structural materials possessing high strength to weight ratio. Carbon nanotube (CNT) reinforced polymer composites are one of...
Read MoreSynthesis and Corrosion Inhibition Study of Benzothiazepine Derivatives on Mild Steel in Acid Medium
Introduction Corrosion of metals poses serious economic challenge to industries. Mild steel finds prominent application as structural material which is prone to corrosion in acidic medium. This problem paid the interest to corrosion scientists...
Read MorePhotodegradation of basic dyes using nanocomposite (Ag-zinc oxide-copper oxide) and kinetic studies
Introduction Adsorption, biological, filtration, coagulation and ozonation were used as common methods to treat wastewater. Each method has its advantages and disadvantages. For example, adsorption is nondestructive, since it just transfers dyes from water...
Read MoreHigh Resolution Rp-Hplc Method for The Determination of Nevirapine and Associated Impurities.
Introduction NVP is a non-nucleoside reverse transcriptase inhibitor used to treat HIV-1 and AIDS. Possible side effects of NVP are Diarrhea, headache, mild nausea or stomach pain, tiredness, vomiting. Some severe allergic reactions like...
Read MoreThe Effects of TiO2 Nanoparticles over Time on the Physical and Mechanical Properties of White Cotton Fabrics and Fabrics Died with Reactive Dyes
Introduction: The main challenge for the textile industry today is modify production methods, so they are more ecologically friendly at a competitive price, by using safer dyes and chemicals and by reducing cost of...
Read MoreSynthesis and Characterisation of Biologically Potent Novel Chalcone Moieties
Introduction Chalcones are pharmacologically valuable moieties possessing 1,3diphenyl prop-2-ene-1-one (-CH=CH-CO-) as a core structure in which two aromatic rings are linked by first and third carbon of a α,β- unsaturated carbonyl skeleton. A number...
Read MoreFeatures of a chemical composition of dry leaves of Steviavebaudiana
Introduction The analysis of available information showed that at the present time many studies are being conducted on the use of a single species of plant raw materials, allowing creating multifunctional biologically active additives,...
Read MoreAntimicrobial Activity and Chemical Constituents of the Extract from Jatropha curcas Fruit
Introduction Polyphenolic compounds such as flavonoids, coumaric acids and tannins possess many biological activities which are attributed to their antimicrobial activity1,2. These compounds also demonstrate antiviral, anti-inflammatory and anticancer properties3. Especially, flavonoids are well...
Read MoreSynthesis and Characterization of Nanosized Uranyl Coordination Polymers derived from Terephthalic acid and Azoles
Introduction Currently, the coordination polymers span scientific fields such as organic and inorganic chemistry, biology, materials science, electrochemistry, and pharmacology, having many potential applications [1-5]. Terephthalic acid and its metal complexes have been a...
Read MoreDevelopment and Validation of Hplc-Ms/Ms Method for Rivaroxaban Quantitation in Human Plasma Using Solid Phase Extraction Procedure
Introduction Rivaroxaban (S)-5-chloro-N-{[2-oxo-3-[4-(3-oxomorpholin-4-yl) phenyl] oxazolidin-5-yl] methyl} thiophene-2-carboxamide (RIV) is an oral anticoagulant. Anticoagulants are given to prevent the blood from clotting or prevent to existing clots from getting larger. Clots can block the blood flow to...
Read MoreKinetics and mechanisms of the Diels-Alder reaction of 9-bromomethyl Anthracene with Citraconic anhydride: A DFT study
Introduction The Diels-Alder pericyclic reaction [1],which is one of the most important synthetic reactions, has been illustrated to be a powerful synthetic method for multiple carbon-carbon bond formation in a regioselective manner. This has...
Read MoreBiosorption of Divalent ion on to Treated Prosopis juliflora Bark from Aqueous Solutions – Isothermal and Statistical Analysis
Introduction Rapid industrialization with the utilization of the heavy metals in industries viz., paints, pigments, batteries, ceramic glazes, electroplating and textiles (1), over the past few decades has led to serious environment problems because...
Read MoreAntioxidant Activity of the Extracts from Jatropha curcas Fruit and Its Correlation with Total Phenolic Content
Introduction Several types of medicinal plants have proven to be an effective source for both medicinal folklore and the development of drugs industry in currently. Bioactive compounds are also known to produce from numerous...
Read MoreDevelopment and validation of Ultra violet spectrophotometric and Reversed-phase High Performance Liquid Chromatography techniques for simultaneous estimation of Brinzolamide and Brimonidine tartrate in ophthalmic suspension formulation.
Introduction Glaucoma is adisorders characterized by a loss of visual associated with optic nerve damage and associated with intra-ocular pressure rise. Glaucoma is categorized into two forms primary open-angle glaucoma and primary angle closure...
Read MoreA Study on Modal Fabric using Formic Acid Treatment for K/S, SEM and Fourier transform infrared spectroscopy
Introduction Modal is a semi-synthetic cellulose fibre made by spinning reconstituted cellulose, in this case from beech trees. Modal is a second generation regenerated cellulosic fiber and a variation of rayon. Lenzing started selling...
Read MorePanantoprazole sodium sesquihydrate complexes: Synthesis, characterization, potentiometric determination and DNA interaction
Introduction Pantoprazole sodium sesquihydrate is benzimidazole derivatives which have biological activity to inhibits gastric acid secretion [1]. Pantoprazole act as good ligand as it have several coordination mode [2-4]. Many drugs enhance its pharmacological...
Read MoreEffect of nanograin sublayers on structure and properties of the electrodeposited ZnO arrays
Introduction Zinc oxide (ZnO) belongs to the rapidly developing class of materials used for electronic and optoelectronic applications 1-9. The reason is not only in the unique properties of this wide bandgap semiconductor (Eg...
Read MoreMicrowave Solvent-free Synthesis of Some Bioactive 3-(2,5-Dimethylfuran-3-yl)-pyrazoline Derivatives and Their Antimicrobial Activity
Introduction Increasing evidence suggests that pyrazoline derivatives possess a broad spectrum of biological activities antibacterial1-2, antifungal3-4 and pharmacological activities such as anti-inflammatory5-6, antitubercular7, anticancer8, analgesic9, antipyretic10 and anticonvulsant11. Based on the above study, we...
Read MoreThe antioxidant activity of ethanol and methanol extracts of sesamemeal by Ultra sonic method in comparison with the synthetic antioxidants in Iranian muttont allow
Introduction The oxidative deterioration of lipids causes rancid odors and flavors as well as the formation of secondary compounds. Products derived from lipid oxidation causes early aging, heart disease, cancer and membrane damage that...
Read MoreSpectrophotometric Determination of Kinetic Constants of Fe (Iii)-Amines’s Charge Transfere Complexes
Introduction Many electronic spectrophotometric studies have been reported in the coordination chemistry field on complexes. [1-6] Generally, these complexes were obtained by using different electron donors with various organic, [7-10] or metallic electron acceptors...
Read MoreInfluence of dye loading time and electrolytes ratio on the performance spin coated ZnO photoanode based dye sensitized solar cells
Introduction Dye sensitized solar cells (DSSC) have attracted considerable attention in recent years as an alternative to conventional silicon solar cells 1–4. Dye sensitized solar cell consist of photoelectrode, counterelectrode and electrolytes. Transparent conducting...
Read MoreSynthesis, characterization and antibacterial activity of new complexes of some lanthanide ions with 15-crown-5 and 18-crown-6
Introduction Crown ethers are heteromacrocycles in which the framework is typically comprised of repeating ethyleneoxy [-(CH2CH2O)n-] units. Nitrogen and sulfur commonly replace oxygen in this framework leading to a great variety of compounds that...
Read MoreRemoval of Bisphenol A using Antimony Nanoparticle Multi-walled Carbon Nanotubes composite from aqueous solutions
Introduction Bisphenol A (BPA) is one the most widely used chemical compounds as a raw material in the product of polycarbonate and epoxy resins 1. BPA can release into the environment through its use...
Read MoreImpedance Spectroscopy Study of the AC Conductivity and Dielectric properties of 3, 5-Dimethylpyridine-Iodine Charge Transfer Complex
Introduction Charge transfer (CT) or Donor-acceptor complexes are the most important and vastly studied organic species due to their unusual electrical, magnetic and optical properties1. In 1973, the CT complex TTF-TCNQ was reported as...
Read MoreJoint Agglomeration of Phosphate Fines and Manganese Ore with Coal Mining Waste
Introduction In the Republic of Kazakhstan, as well as throughout the world, extracted minerals tend to decrease in quality deterioration and technological properties. We have to admit that the rich easily enriched ores deplete,...
Read MoreNano particles @ Calix arenas via aqueous solution
Introduction What makes GaN popular is not only it is more robust but it can emit in the short wave-length part of the visible spectrum. For example, there are now GaN-based high-efficiency blue and...
Read MoreDensity of state (DOS) for Zig-Zag, Chiral and Armchair SWCNTs and DWBNNTs: In viewpoint of Electronics and Structure
Introduction Control and designing of nanotube diameter is needed for developing nanotube growth methods. Nanotubes with a diameter of less than 10 angstrom provide the ideal nano space in one-dimension. Twenty years ago, it...
Read MoreGreen Synthesis of antibacterial Zinc oxide Nanoparticles using biopolymer Azadirachtaindica gum
Introduction Nanotechnology is emerging as a rapidly growing field with its application in science and technology for the purpose of manufacturing new material at the nanoscale level.1Nanotechnology involves synthesis, characterization and application of nanoparticles...
Read MoreAnalysis of Water Soluble Vitamins (Thiamine, Nicotinamide and Pyridoxine) in Fortified Infant Food Products by Hplc
Introduction Vitamins counting B1 (thiamine), B3 (nicotinamide) and B6 (pyridoxine) is a diverse group of organic nutrients1, vital for sustaining good health, normal growth and for numerous physiological processes in humans especially in growing...
Read MoreA simple and efficient route for synthesis of 2-alkylbenzothiazoles
Introduction Development of a straight forward method for synthesizing benzothiazoles and their derivatives is desired, since compounds containing benzothiazole moiety exhibit an array of biological activities, including, anticancer,1 antimicrobial,2 antituberculosis,3 antihypertensive,4 antiulcer,5 and also...
Read MoreSm-Doped Tio2 Nanoparticles with High Photocatalytic Activity for ARS Dye Under Visible Light Synthesized by Ultrasonic Assisted Sol-Gel Method
Introduction In recent times, heterogeneous photocatalysis is widely applied to control the environmental pollution [1-5]. The semiconducting photocatalytic materials such as TiO2, ZnO, WO3, SnO2, CuO, Cu2O, NiO and BaTiO3 play most important role...
Read MoreSynthesis of Dichloride-Diphenylacetonitrile Palladium and Metal-Polymer Composite Based on Uhmwpe
Introduction Metal-polymer composites are of great interest due to the complex of properties that they exhibit. Thus, materials containing ultra fine particles of platinum metals exhibit catalytic activity, containing magnetic particles, such as particles...
Read MoreEnantioselective Diels-Alder reactions of carboxylic ester dienophiles catalysed by titanium-based chiral Lewis acid
Introduction The Diels-Alder reaction is known to be a popular method in synthetic chemistry.1 The control of absolute stereochemistry has generated a great interest recently.2 One successful methodology developed thus far utilises chiral auxiliaries...
Read MoreNew Cerium(III) Complex Of Schiff Base (E)-N-Benzylidene-4-Methoxyaniline: Synthesis And Density Functional Theoretical Study Of Vibrational Spectra
Introduction Schiff bases [1–7] and their metal complexes represent one of the most areas of material science, catalysis and chemical research. [8–21] The efficiency of these com- pounds often enhanced upon coordination to a metal...
Read MoreLupane-Type Triterpenoids and Sterol from Zizyphus Spina Christi Grown in Sudan
Introduction Throughout human history, natural products have been widely used as remedies1-5 to cure and treat various illnesses. Humans are continuously learning more about the indispensible therapeutic properties of natural products as well as...
Read MoreVisible Spectrophotometric determination of Chlorpheniramine maleate and Diphenhydramine hydrochloride in raw and dosage form using Potassium permanganate
Introduction Diphenhydramine hydrochloride, DPH, (2-(diphenylmethoxy)-N,N-dimethylethylamine hydrochloride) Figure 1, is one among the best drug in its class in many country’s market and belongs to the first generation antihistaminic agents. DPH is used as anti-allergic...
Read MoreGC-MS/MS Based Identification of Bioactive principles of Chloroform fraction of Swertia Chirayatia (Chirata).
Introduction Since ancient times plants parts and their products have been used for their innate medicinal properties and the search is still ongoing. Many plant based natural compounds have shown their efficacy as anti-microbial,...
Read MoreStudying of Lactulose Hygroscopicity and Microstructure after Spray Dehydration
Introduction Lactulose is a disaccharide possessing useful physiological properties and used actively in different industries. It is worth noting that a whole number of investigations carried out for the last few years have proved...
Read MoreMedicinal Properties of Nardostachys jatamansi (A Review)
Introduction Nardostachys jatamansi DC is a small perennial, rhizomatous herb which grows in steep, moist, rocky, undisturbed grassy slopes of India, Nepal, China and Bhutan from 2300 m to 6000 m above sea level....
Read MoreReverse docking study unravels the potential Mycobacterium tuberculosis enzyme targets of Agelasine F
Introduction Tuberculosis (TB) is an airborne infectious disease caused by Mycobacterium tuberculosis. According to World Health Organization (WHO), the estimated number of new TB cases in 2014 was almost 9.6 million with 1.5 million...
Read MoreMechanism of Pitting Corrosion Protection of Metals and Alloys
Introduction Currently, annual direct metal losses resulting from corrosion make up 12% of the total weight of metal in stock in Russia, which corresponds to the loss of up to 30% of annually produced...
Read MoreEffect of NiW Modified HZSM-5 and HY Zeolites on Hydrocracking Conversion of Crude Palm Oil to Liquid Hydrocarbons
Introduction Among all of the vegetable oils, palm oil is one of the vegetable oil that has the greatest possibility to be used in biofuel production since it is one of the most produced...
Read MoreAntibacterial effect of ginger (Zingiber officinale) roscoe and bioactive chemical analysis using Gas chromatography mass spectrum
Introduction Ginger (Zingiber officinale Roscoe, fam. Zingiberaceae) is a perennial herb, slender perennial plant that reaches the height of two feet and has greenish yellow flowers resembling orchids. The rhizome is horizontal, branched, fleshy,...
Read MoreIn vitro screening of subtropical plants cultivated in Jeju Island for cosmetic ingredients
Introduction Skin aging is a biological process that induces changes in the structural integrity and physiological function of the skin. Exposure to ultraviolet (UV) radiation is one of the most significant external stress-inducing factors...
Read MoreAntibacterial Activity and Global Reactivity Descriptors of Some Newly Synthesized Unsymmetrical Sulfamides
Introduction Sulfonamides (sulfa drugs) were the first drugs largely employed and systematically used as preventive and chemotherapeutic agents against various diseases1. They are active against a broad range of Gram-positive and Gram-negative bacteria and...
Read MoreNonaqueous preparation of stable silver nano particles dispersions from organic sulfonic acids
Introduction Silver nano particles – class of material with significant differences in physical, chemical characteristics, optical, electromagnetic and catalytic properties if compared with macroparticles 1. The scope of silver nano particles use is very...
Read MoreDevelopment and Validation of A Stability-Indicating Liquid Chromatographic Method for Determination of Valsartan and Hydrochlorthiazide Using Quality by Design
Introduction Valsartan is a non-peptide compound, chemically describes as “(S)-3-methyl-2-(N-{[2′-(2H-1,2,3,4-tetrazol-5-yl)biphenyl-4-yl]methyl}-pentanamido)-butanoic acid”, (Val, Figure 1a) used as angiotensin II receptor antagonist having high specificity for AT1 subtype1. Angiotensin II receptor antagonists, also known as angiotensin...
Read MoreSynthesis of C–4–Allyloxy–3–Methoxyphenylcalix[4]resorcinarene from Vanillin and Its Application as Adsorbent of Pb(II) Metal Cation
Introduction Global industrial advance gives a positive effect to escalate the economy level, which triggers advance in another sector, but also give negative effect such as pollutants and waste, which contains toxic materials. Various...
Read MoreExtraction of Bioactive Polyphenols with High Antioxidant Activity from Bilberry (Vacciniummyrtillus L.) Processing Waste
Introduction In recent years, environmental concerns and sustainability issues have stimulated efforts to develop suitable strategies for the efficient management of agro-industrial wastes. Current approaches are mostly based on low-value applications, such as composting,...
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