Volume 30, Number 4 : Oriental Journal of Chemistry

Synthesis and Characterization of Phosphine and Arsine Complexes of Ruthenium (Ii & Iii) Ligated With 3-(4-Pyridyl)-4-Substituted-Triazoline-5-Thione

31 Dec, 2014Volume 30, Number 4

Introduction Literature survey reveals that secondary thioamides have versatile coordinating ability and interesting insights into structure and bonding1-3. Bowman-James’s group4-5 and Kanbara and Co-worker6-8 have reported that thioamide based Pincer complexes are photoluminescent and...

Chelating Competency and Electrochemical Response of a Heterocyclic Phenylhydrazone and its Copper Chelate

31 Dec, 2014Volume 30, Number 4

Introduction The compounds which possess azomethine linkage or Schiff bases are well-known for its chelating competency. Such molecules and their metal chelates are having wide variety of applications in the pharmaceutical, catalysis, analytical and...

A Comparative Study of Cellulose Agricultural Wastes (Almond Shell, Pistachio Shell, Walnut Shell, Tea Waste And Orange Peel) for Adsorption of Violet B Dye from Aqueous Solutions

31 Dec, 2014Volume 30, Number 4

Introduction Many industries such as textile, paint, paper, plastics, leather, food and cosmetic often use dyes and pigments to color their products. Most of synthetic dyes have complex aromatic molecular structures. Dyes can cause...

Flash preparation of carbenoids: A different performance of cyanogen bromide

31 Dec, 2014Volume 30, Number 4

INTRODUCTION Cyanogen halides are known as important synthetic substances since they are strong cyanating agents. For instance cyanogen iodide reacts with the tertiary amine ring of marcfortine A to give cyano and iodocyano substituted...

Chemical studies on dumpsite soils (with specific focus on Cu (copper) level) within Municipal Area of Sidhi Town, District Sidhi (M.P.) India

31 Dec, 2014Volume 30, Number 4

Introduction The Sidhi town is undergoing rapid development in respect of population, industrialization and urbanization since its establishment and therefore resulting into various problems. Out of all problems the problem of waste management by...

Synthesis, characterization and antimicrobial screening of some fluorinated chromones and chlorochromones

31 Dec, 2014Volume 30, Number 4

Introduction A Fluorinated compound plays a vital role in a chemical and biochemical sciences. As per literature over 10% of newly registered pharmaceutical drugs and some 40% of newly registered agrochemicals contain one or...

Studies on the chemical constituents of leaves of Phyllanthus emblica (L.)

INTRODUCTION Phyllanthus emblica Linn., belongs to the family Euphorbiaceae, commonly known as Indian gooseberry and amla. It is distributed in tropical and subtropical regions of India. It is excellent source of vitamin C, easily...

Studies on the Cu (II) and Co (II) complexes with N,N’–bis (2-benzothiazolyl) -2,6 pyridine dithiocarboxamides

31 Dec, 2014Volume 30, Number 4

Introduction The coordination chemistry of amide ligand is an important part of a number of chemical investigations. Sigel and Martin1 reviewed the structure and stability of metal ion complexes of amide, oligopeptides and...

Study of Stability Constants of Fe (Iii) And Mn (Ii) with Chloramphenicol by Paper Electrophoretic Technique

31 Dec, 2014Volume 30, Number 4

Introduction Metals are an integral part of many structural and functional component of human body and play an important role in biological systems. Metal ions are required for many critical functions, physiological and pathological...

Synthesis and Spectral Characterization of Lanthanide Complexes Derived from 2-[(4-Bromo-2,6-Dichloro-Phenylimino)-Methyl]-4,6-Diiodo-Phenol

31 Dec, 2014Volume 30, Number 4

Introduction Schiff bases derived from aromatic amines and aldehydes have a wide variety and an important class of ligands in coordination chemistry and find extensive applications in different fields, e.g., biological, inorganic and analytical chemistry...

Electrospinning of Gelatin Nanofiber for biomedical Application

31 Dec, 2014Volume 30, Number 4

Introduction The electrospinning technique provides non-woven to the order of few nanometers with large surface areas, ease of fictionalization for various purposes and superior mechanical properties. Also, the possibility of large scale productions combined...

Partial molar volumes of aluminium chloride, aluminium sulphate and aluminium nitrate in water-rich binary aqueous mixtures of tetrahydrofuran

31 Dec, 2014Volume 30, Number 4

Introduction Partial molar volume is one of the important thermodynamic property which has been proved a very useful tool in determining the various types of interactions like ion-ion, ion – solvent and solvent –solvent...

Synthesis and Characterization of Divalent Nickel, Copper and Cadmium Complexes of N-(2-2-[1-(3-aminophenyl) ethylidene] hydrazino-2-oxoethyl) Benzamide

31 Dec, 2014Volume 30, Number 4

Introduction Study of the coordination of transition metal ions with different types of ligands has been amplified by the recent developments in the field of bioinorganic chemistry and medicines1. Metal Complexes of N,O-donor ligands...

Preparation of copper nanofluids using an appropriate technique

31 Dec, 2014Volume 30, Number 4

Introduction In the recent decades, metallic nanoparticles have been widely used in various industries due to their wide range of applications [1, 2]. Nanoparticles have unique electrical, physical, chemical and optical properties [3]. Nowadays...

Comparison of physio-chemical characterization of Ceiba Pentandra wood waste and Ipomea Carnia Stem waste by H3Po4 treatment for the dye removal

31 Dec, 2014Volume 30, Number 4

Introduction Dye is the first pollutant to be recognized in wastewater1. The presence of very small amounts of dyes in water is highly visible and undesirable1,2. The decolonization of waste water is a major...

Electrophoretic Studies of Binary and Ternary Complexes of Some Metal Ions with Alizarin

31 Dec, 2014Volume 30, Number 4

Introduction Alizarin and its derivatives are well known colorimetric reagents for cations. The presence of two hydroxyl groups in positions 1 and 2 with respect to the quinoid oxygen makes it very suitable for...

Synthesis and Characterization of the Thiazolidinone and/or Thiourea substituted Amine Complexes of Cu (II)

31 Dec, 2014Volume 30, Number 4

Introduction Thiazolidinones are the derivatives of thiazolidine which belong to an important group of heterocyclic compounds containing sulfur and nitrogen in a five member ring. The nucleus is also known as wonder nucleus because...

Specification of the Operational Parameters Contribution in the Efficiency of TiO2-P25 Nanoparticles in the Photocatalytic Removal of Cr(VI) by Taguchi Method

31 Dec, 2014Volume 30, Number 4

INTRODUCTION Cr(VI) is one of the heavy metals which is a very toxic pollutant found in industrial wastes1. It is widely used in many industries, such as stainless and alloy steels2, pigments, tanning agents, catalysts3,...

Synthesis, Antimicrobial and Antitubercular Activities of Some Novel Carboxamide Derivatives of 2-Quinolones

INTRODUCTION 2-Quinolones (carbostyrils or 1-aza coumarins) are isosteric with coumarins and isomeric to 4-quinolones could become the probable potential candidate for antibacterial activity (1). 2-Quinolone derivatives were found to be associated with various biological...

NaBH4/(NH4)2SO4: A Convenient System for Reduction of Carbonyl Compounds to their Corresponding Alcohols in wet-THF

31 Dec, 2014Volume 30, Number 4

Introduction Preparation of alcohols from the reduction of carbonyl functional groups are importance in organic chemistry 1 and a large number of methods including catalytic reduction 2, hydride homogeneous catalysis 3, heterogeneous catalysissystems 4...

Branched Polymers and their Application in Corrosion Inhibition for mild steel in 1M H2SO4 medium

31 Dec, 2014Volume 30, Number 4

Introduction Iron and its alloys find utility in a wide spread spectrum of many industrial units because of its low-cost and excellent mechanical properties. For this reason, the corrosion behavior of these materials has...

Antioxidant effect of Purple basil(Lamiaceae) Phenolics

31 Dec, 2014Volume 30, Number 4

Introduction Recently scientists have carried out extensive research into production of herbal drugs using biochemical compounds from herbs. Lamiaceae family including approximately 150 species(1),is well known for antioxidant activity and present antioxidants such as...

Kinetics and thermal decomposition of Tetrahydrazine lanthanum 2-hydroxy-1- naphthoate

31 Dec, 2014Volume 30, Number 4

INTRODUCTION Hydrazine complexes with lanthanum carboxylates are reported frequently owing to its application in the preparation of its oxide in micro and nanoscale.1-5 Complexes of aromatic carboxylates with hydrazine on thermal decomposition yield oxide...

Synthesis, Characterization and Thermal Properties of Fe2TiO5/Cellulose and Cellulose Acetate Nanocomposite

31 Dec, 2014Volume 30, Number 4

Introduction At present, cellulose is the most abundant polymer available worldwide with an estimated annual natural production of1.5 × 1012 tons and considered as an almost inexhaustible source of raw based materials because of the...

A Review of Methods for Synthesis of Al Nanoparticles

31 Dec, 2014Volume 30, Number 4

Introduction Nanotechnology plays an increasingly crucial role in many key technologies of the new millennium. The application of nanoscale materials and structures, usually ranging from 1 to 100 nm, is an emerging area of...

Development and Validation of Stability Indicating Uv and Rp-Hplc Method for the Estimation of Flupritine Maleate in Bulk and Formulations

31 Dec, 2014Volume 30, Number 4

INTRODUCTION Flupritine acts as a centrally acting non opioid analgesic1. Chemically it is amino pyridine derivative with the chemical name of ethyl 2-amino-6-[(4 fluorobenzyl) amino] pyridin-3-yl carbamate maleat2. Flupritine was noted for its neuroprotective...

Chemical characteristics of gel obtained from blend of colostrum and skim milk under different heat treatments conditions

31 Dec, 2014Volume 30, Number 4

Introduction Colostrum is the nutrient-rich, secretion produced by mammals within 24 to 72 hours after parturition. It is a mixture of lacteal secretions and constituents of blood serum, notable immunoglobulin and serum proteins...

Development and validation of a stability indicating RP-HPLC method for Balofloxacin

31 Dec, 2014Volume 30, Number 4

Introduction Balofloxacin (BLFX), chemically named 1-cyclopropyl-6-fluoro-1,4-dihydro-8-methoxy-7-(3-methylamino-piperidin-1-yl)-4-oxoquinoline-3-carboxylic acid, is the fourth generation of a new class of synthetic antibacterial fluoroquinolone agents. It has broad antibacterial spectrum, ranging from gram-positive bacteria to gram-negative bacteria. BLFX exhibited...

NaBH4/NaNO3/H2O: A Convenient System for Selective Reduction of Aldehydes VS. Ketones to their Corresponding Alcohols

31 Dec, 2014Volume 30, Number 4

Introduction The chemoselective reduction of aldehydes without affecting ketones is a well- known strategy in organic synthesis. This subject is of great interest 1 and numerous reducing systems and modified hydroborates have been reported...

Computational Studies on 2(2-Hydroxyphenyl)-N-phenyl Nitrone, Spectroscopic Investigation.

31 Dec, 2014Volume 30, Number 4

Introduction The nitrone chemical structure in its simplest form can be represented as X-CH=NO-Y. Nitrones began to be used in analytical chemistry applications in the late 1960s. Nitrones will react with and “trap” and...

Solvatochromism and preferential solvation in mixtures of Methanol with Ethanol, 1-Propanol and 1-Butanol

31 Dec, 2014Volume 30, Number 4

Introduction Solvatochromism is a phenomenon describing the spectral shift of a solute induced by a change in the solvent polarity, and provides valuable information about interactions that occur in the solvation shell of solute...

The synthesis of Ag nanoparticles and loading it on activated carbon as a novel adsorbent for removing methyl orange by using surface response methodology

31 Dec, 2014Volume 30, Number 4

Introduction Anionic dyes may be toxic, carcinogenic and even mutagenic and generate serious hazards to aquatic living organisms and ecosystems1-7.Biodegradation is a difficult task and required great attention and emphasis potential. Many studies have...

A convenient route for synthesis and antimicrobial evaluation of bis (diimino benzothiazolo pyrimido pyrimidines)

31 Dec, 2014Volume 30, Number 4

INTRODUCTION Pyrimido pyrimidine and its derivatives are interesting class of nitrogen containing heterocyclic compounds which are widely found in bio-organic and medicinal chemistry with application in drug discovery. Pyrimido [4,5-d] pyrimidines, pyrido [2,3-d] pyrimidines...

Structural and stability investigation of the anticancer drug Cyclophosphamide via quantum chemical calculations :A nanotube drug delivery

31 Dec, 2014Volume 30, Number 4

Introduction Cyclophosphamide(Procytox or Cytoxan) is a drug used in the treatment of cancer, andis in a class of drugs known as alkylating agents. Cyclophosphamide (C7H15Cl2N2O2P ) is also used to treat bronchogenic carcinoma, small cell...

Synthesis and in vitro antifungal evaluation of benzoimidazolyl-piperazinyl-phenylmethanone derivatives.

31 Dec, 2014Volume 30, Number 4

Introduction During the past two decades, the frequency of systemic infections has increased dramatically along with the number of invasive, mostly opportunistic, fungal species carrying infectious diseases [1]. In clinic, there are very few...

Kinetic Spectrophotometric Determination of Morphine in Pharmaceutical Samples

31 Dec, 2014Volume 30, Number 4

INTRODUCTION Morphine extracted from the plant papaver somniferum1 Morphine (MO) is a useful drug in relieving patients of severe pain, but it’s excessive or habitual use frequently causes toxic symptoms2 Morphine is the primary constituent of...

NMR and NBO investigation of Dopamine properties in point view of Brain activities

31 Dec, 2014Volume 30, Number 4

Introduction Dopamine is a nervous transporter which has a key role in the central nervous system. This nervous transporter has an important role in the normal functions of brain such as learning, memorizing (storage...

Development and Validation of Rp – Hplc Method for the Simultaneous Determination of Hydrochlorothiazide, Amlodipine Besylate and Telmisartan in Bulk and Pharmaceutical Formulation

31 Dec, 2014Volume 30, Number 4

Introduction Hydrochlorothiazide (Figure 1) (HCT), 6 – chloro – 3, 4 – dihydro – 7 – sulfamoyl – 2H – 1, 2, 4 – benzothia – diazine – 1, 1 – dioxide, is a...

Theoretical study of interaction between Tacrine and finite-length Al-doped Carbon and Boron nitride Nanotubes: A Semiempirical drug delivery study in thermodynamic view

31 Dec, 2014Volume 30, Number 4

Introduction Alzheimer’s disease (AD) is a progressive and fatal neurodegenerative disorder manifested by cognitive and memory deterioration, progressive impairment of activities of daily living, and a variety of neuropsychiatric symptoms and behavioral disturbances [2]....

Effect of Mixing Temperature on the Synthesis of Hydroxyapatite by Sol-Gel Method

31 Dec, 2014Volume 30, Number 4

Introduction Currently, materials technology have been steadily growing, particularly in biomaterial. Biomaterials is compounds with bioinnert, bioresorbable and bioactive properties and can be implanted into living tissue system or as a substitute for the...

Synthesis of new Guanidium-Meldrum acid zwitterionic salts and dynamic NMR study of rotational energy barrier around C-NH bond of guanidine moiety

31 Dec, 2014Volume 30, Number 4

Intruduction The Knoevenagel condensation of Meldrum acid with aromatic aldehydes with the aim of forming a carbon-carbon double bond is a well-documented reaction 1 that carried out using various conditions. 2 Arylidene Meldrum acids...

The structure of qubit and quantum gates in quantum computers

31 Dec, 2014Volume 30, Number 4

Introduction The quantum computers in the case of practical realization can outreach from the best modern computers, in quantum world there are phenomena in a different and amazing kink and so using them in...

Effect of silver loading on optical and antibacterial behavior of Poly(methyl methacrylate)

31 Dec, 2014Volume 30, Number 4

Introduction Due to the unique physical, chemical, and biological properties of metallic nanoparticles, they are significantly used in wide range of applications. silver and gold nanoparticles has been known for its superior optical, electronic,...

Bioremediation of Petroleum hydrocarbon by using Pseudomonas species isolated from Petroleum contaminated soil

31 Dec, 2014Volume 30, Number 4

Introduction Soils contaminated with petroleum hydrocarbon such as alkanes, benzene, methyl-benzene and poly-aromatic hydrocarbons (PAH) are toxic. Usually these compounds are categorized as carcinogenic substances. They cannot be easily eliminated from environment, and eventually...

Studies of Some Novel Chromium Pyridine Dicarboxylate Complexes

31 Dec, 2014Volume 30, Number 4

Introduction There are mainly six isomers of pyridine dicarboxylic acid. They are pyridine 2, 3-, 2, 4-, 2, 5-, 2, 6-, 3, 4- and 3, 5- dicarboxylic acid. They show different modes of co-ordination...

Synthesize and characterization of sawdust/MnFe2O4 nano composite for removal of indigo carmine from aqueous solutions

31 Dec, 2014Volume 30, Number 4

Introduction The indigo carmine (IC) is generated as a highly toxic dye, which may lead to tumors at the site of application. IC is an anionic dye and usually used in the textile, food...

Antibacterial Activity of Coumarine Derivatives Synthesized from 4-Chloro-chromen-2-one. The Comparison with Standard Drug.

31 Dec, 2014Volume 30, Number 4

INTRODUCTION Starting from 4-Chloro-chromen-2-one (a); derivatives (1a,2a,3a,4a) are synthesized. Coumarin derivatives are large group of heterocyclic with oxygen as heteroatom (Govori et al 1996 ; Govori et al 2002 ; Stanovnik et al 1993).Coumarin...

Computational investigation of methamphetamine and its halogenated derivatives as the main source of pain and skin itching

31 Dec, 2014Volume 30, Number 4

Introduction Methamphetamineis a variant of amphetamine which has been synthesized in Japan in 1893 by Nagayoshi Nagai from the chemical ephedrine precursor [1-3]. Methamphetamine has one more methyl group in comparison to amphetamine;it is...

Experimental and Quantum chemical studies on the inhibition potential of some Quinoxaline derivatives for mild steel in acid media

31 Dec, 2014Volume 30, Number 4

Introduction Corrosion problems have received a considerable amount of attention because of their economic and safety consequences. The use of inhibitors is one of the most practical methods for protection against corrosion. Most of...

Nano drug delivery Study of Anticancer Properties on Jackfruit using QM/MM Methods

31 Dec, 2014Volume 30, Number 4

Introduction The Jackfruit belongs to the Mulberry family that is native to parts of Southern and Southeast Asia. It can also be found in East African and Brazil. The fruit is the largest tree-borne...

Molecular Structural Studies of Captopril Drug, Using Thermal Analysis, mass Spectral Fragmentation and Semi- empirical MO- Calculations

31 Dec, 2014Volume 30, Number 4

Introduction Captopril (KPL) (1-(3-mercapto-z-1)-methyl-1-oxopropyl)-l-proline (S,S) is a potential drug for the treatment of high blood pressure that can result from over production of angiotension II. Captopril inhibits the enzyme, which catalyzes the conversion of...

The Investigation of Different Properties of Clonidine Drug Binding to Carbon Nanotube: A Theoretical Study

31 Dec, 2014Volume 30, Number 4

Introduction Nano technology is an advancing method with many ways for unlocking problems, especial in medical science. By performing more research on this technology, treat can be found for diseases that have no cures...

Synthesis and characterization of ZnO nanoparticles

31 Dec, 2014Volume 30, Number 4

Introduction Transition metal oxides have many applications as catalyst (Xu et al. 2003; Wei-zhong Lv et al. 2008; Lu et al. 2008; Altincekic et al. 2008; Bennici et al. 2003), sensors [Yang et al....

Preconcentration of Ni(II) on Silica gel Loaded with New Synthesized Schiff base and their Determination by FAAS

31 Dec, 2014Volume 30, Number 4

Introduction Flame atomic absorption spectrometry (FAAS), is often used for the determination of trace metal ions. The direct determination of metal ions at trace level is limited due to their low concentration and matrix...

Chemical composition of volatile components, antimicrobial and anticancer activity of n-hexane extract and essential oil from Trachyspermum ammi L. seeds

31 Dec, 2014Volume 30, Number 4

Introduction The use of natural resources, especially medicinal plants was continued to be excellent sources of phytochemicals for traditional medicines, modern medicines, nutraceuticals, pharmaceutical intermediates, folk medicines, food supplements, and chemical entities for synthetic...

Preparation and Characterization of Organophilic Montmorillonite (12-maghnite) Using Algerian Clay

31 Dec, 2014Volume 30, Number 4

Introduction Clay is a simple mineral and natural material, very abundant, consisting of aluminosilicates, the sheet structure is well known, it results from the decomposition of rocks (superficial parts of the earth’s crust, such...

Synthesis of New Organoselenium Compounds Containing Nucleosides as Antioxidant

31 Dec, 2014Volume 30, Number 4

Introduction From the literature survey indicates that few publications have mentioned the incorporation of selenium atom into nucleosides [1,2]. In this paper [1] describe the synthesis of selenium- and tellurium-containing nucleosides, derived from uridine...

Investigation into the Physico-Chemical Properties of Soils of Caspian Sea Coastal Area in Mangystau Province

31 Dec, 2014Volume 30, Number 4

Introduction The article reviews North-Eastern coast, a part of Caspian Lowland in Mangystau Province, which is the most sensitive to sea level fluctuations due to shallow waters. The underwater topography of Caspian Sea towards...

Design and synthesis of spiro derivatives containing a thiophene ring and evaluation of their Anti-microbial activity

31 Dec, 2014Volume 30, Number 4

INTRODUCTION Heterocyclic compounds predominantly five and six membered ring compounds have occupied a massive place among varied categories of organic compounds for their various biological activities.1 Among a wide variety of heterocycles that are...

Fe3O4 nanoparticles modified with APTES as the carrier for (+)-(S)-2-(6-methoxynaphthalen-2-yl) propanoic acid (Naproxen) and (RS) 2-(3-benzoylphenyl)-propionic acid (Ketoprofen) drug

31 Dec, 2014Volume 30, Number 4

Introduction In the past decade , targeted drug delivery technology has been enormous attention in medicine and pharmaceutical industries due to much advantage compared to conventional such as low toxicity , biocompatibility [1], improving...

Synthesis, Characterization and Antimicrobial Activities of 1,2,4-Triazole /Isatin Schiff bases and their Mn(II), Co(II) complexes

31 Dec, 2014Volume 30, Number 4

Introduction The chemistry of 1,2,4-triazole and its derivatives is particularly interesting because of their potential application in medicinal, agricultural and industrial fields1-4. Derivatives of 1,2,4-triazoles show variety of biological activities such as antimicrobial5 anticonvulsant6,...

Synthesis, Mechanism and Kinetic Studies of Cobalt(II) Schiff base Complexes with Organotin(IV)chlorides

31 Dec, 2014Volume 30, Number 4

Introduction Schiff bases form stable complexes with metals that perform an important role in biological systems [1]. Transition metal Schiff base complexes have many applications in the area of antitumoral, antiviral and antibacterial activity...

Preparation of TiO2/SiO2 nanocomposite with non-ionic surfactants via sol-gel process and their photocatalytic study

31 Dec, 2014Volume 30, Number 4

Introduction Titanium dioxide nanomaterials that have been intensively studied because of their unique properties, various uses [1, 2] and versatile applications, for example, in photocatalysis, optoelectronic devices, environmental purification, photo-eletrochemical solar energy conversion and...

Effect of pH on the Dye Absorption of Jute Fibre Dyed with Direct Dyes

31 Dec, 2014Volume 30, Number 4

INTRODUCTION Jute dyeing is a major problem in jute trade since it has an affinity for a wider range of dye stuffs due to its structural peculiarities. Jute is dyed, generally, in order to...

Ultra violet spectra studies of polystyrene films in presence of some transition metal complexes with 4-amino-5-pyridyl)-4h-1,2,4-triazole-3-thiol

31 Dec, 2014Volume 30, Number 4

Introduction Triazoles are five memberd heterocyclic compounds containing three nitrogen and two carbon atoms. The substituted triazole with sulphur atom and amine group are considered to be good coordinating ligands because they involved both...

Solid-surface fluorescence of hydrophilic dyes on different polysaccharide matrices

31 Dec, 2014Volume 30, Number 4

Introduction Solid-surface fluorescence (1,2) (SSF) is a modern method which combines solid phase extraction as a way of preconcentration and separation with high sensitivity luminescence determination in solid-sorbent phase. The method is successfully applied...

Obtaining of Trialkylphosphates in Anodic Dissolution of Copper Phosphide

31 Dec, 2014Volume 30, Number 4

INTRODUCTION In the research1,2 are shown the possibilities of obtaining of trialkylphosphate by the electrolysis of suspensions of red phosphorus. The authors of work3 used dialkylphosphoric acid as the initial phosphorus containing compounds for...

Photochemical treatment as an alternative to improve the quality of wastewater after advanced primary treatment.

31 Dec, 2014Volume 30, Number 4

INTRODUCTION The water is a unique substance that exists both in large quantities and in the three states of natural aggregation. Is one of the most important compounds for the live organism on the...

Investigation of the Effects of Ionic Liquids Pretreatments and Enzymatic Hydrolysis of Kempas, Koompassia malaccensis

31 Dec, 2014Volume 30, Number 4

Introduction Fuels such as coal, natural gas, and oil are the main sources of energy for our daily activities. However, concerns about global warming and energy security have resulted in the exploration of alternatives...

Influence of Steric Hindrance on The Antioxidant Activity of Some Schiff Base Ligands And Their Copper(II) Complexes

31 Dec, 2014Volume 30, Number 4

Introduction Interest in the symmetric and asymmetric synthesis of Schiff bases has increased significantly in recent years2. Diamines are known to coordinate to metal ions as bidentate ligands and forms both symmetric and asymmetric...

Preparation of carbon monoliths from orange peel for NOx retention

31 Dec, 2014Volume 30, Number 4

INTRODUCTION NOx production is mainly associated with human activities. Nitrogen oxides are emitted from major stationary sources that use fossil fuels, but the levels of NOx vary with the mixture of these fuels. The...

Derivative Spectrophotometric and HPLC Validated Methods for Simultaneous Determination of Metformin and Glibenclamide in Combined Dosage Form

31 Dec, 2014Volume 30, Number 4

Introduction Glibenclamide(GLB),5-chloro-N-[2-4[[[(cyclohexylamino) carbonyl]-amino] sulphonyl]-phenyl]ethyl]-2-methoxy benzamide is a potent, second generation oral sulfonylurea antidiabetic agent widely used to lower blood glucose levels in patients with type 2 diabetes mellitus (Fig.1). It acts mainly by inhibiting...

FTIR, UV-Vis, magnetic, mass spectral and XRD studies of Ni(II) complex with pioglitazone: An oral antidiabetic drug

31 Dec, 2014Volume 30, Number 4

Introduction Pioglitazone hydrochloride is an oral antidiabetic agent that has been shown to affect abnormal glucose and lipid metabolism associated with insulin resistance by enhancing insulin action on peripheral tissues in animals. It is...

Synthesis of Benzothiazinophenothiazine Derivatives and their Antimicrobial Screening

31 Dec, 2014Volume 30, Number 4

Introduction Phenothiazines are amongst the most frequently encountered bioactive heterocycles in compound of biological interest.1 Phenothiazine derivatives have been shown to possess a broad spectrum of pharmacological activity depending on their particular structure like...

Synthesis of Functionalized Single Graphene Sheets by Thermal Exfoliation of Graphite Oxide

31 Dec, 2014Volume 30, Number 4

Introduction Graphene is a single hexagonally flat layer of graphite, which has attracted great interest both for fundamental understanding of its unique structural and electronic properties and for important potential applications in nano-electronics and devices ...

Validation and Verification the Expanded Table for Transition Metal Carbonyl and Main Group Element Cluster Series which obey the 18-Electron and 8-Electron (octet) Rules respectively

31 Dec, 2014Volume 30, Number 4

Introduction In our previous work, it was shown that in molecular systems in which the ‘skeletal atoms’ obey either the octet or the 18-electron rule, their bonds or linkages and shapes or symmetries are...

Thermodynamic and kinetic study of the intrinsic adsorption capacity of graphene oxide for malachite green removal from aqueous solution

31 Dec, 2014Volume 30, Number 4

Introduction Currently, many industries, including paper production, textiles, leather tanning, plastics, hair coloring and food technology, use synthetic dyes to color their final products. Malachite green (MG) is one of the most commonly used...

Synthesis, spectroscopic, thermal, electrical conductivity and antimicrobial interpretations of new VO(II), Zn(II), Pd(II), Au(III) and Pt(IV) complexes with hypertensive atenolol drug

31 Dec, 2014Volume 30, Number 4

Introduction Metallo-pharmaceutical interactions were playing a significant role in therapeutic and diagnostic medicine industrials. In literature survey, the studies were proved that when bioorganic molecules were introduced as transition metal chelates they have been...

The new heteronuclear complexes of Ti(IV) and Dy(III) in aqueous solutions

31 Dec, 2014Volume 30, Number 4

Introdution One of the most important applications of titanium is manufacturing of medical implants due to its inertness. However, the citrate-ions increase the solubility of the titanium-containing inert materials translating titanium from the solid...

Synthesis, spectral and biological studies of new Mn(II) and Fe(II) complexes of 2,3-Butanedione 3-monoxime

28 Mar, 2014Volume 30, Number 4

Introduction Ligand, a metal surrounded by a cluster of ions or molecule, is used for preparation of complex compounds named as Schiff base, which are condensation products of primary amines and aldehydes or ketones...

Volume 30, Number 4

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