Volume 28, Number 4

Compound Effect of Cement Dust Emitted by Closely Located Cement Plants on Soil of Nokha (Bikaner)

Introduction Industrial activity including the cement production causes the atmospheric pollution on the ecosystem. The major impact of cement activity on soil and plants comes in the form of the broadcast of dust and...

Levels, Spatial Distribution and Possible Sources of Heavy Metal Contamination of Suburban Soil in Jhansi

Study of Various Physico-chemical Parameters of Ground Water and Water Born Diseases Spreading in Jhunjhunu District of Rajasthan

Introduction Jhunjhunu district has a dry climate with hot summer. In summer, sand storms are a characteristic feature of the district. The cold season starts by the middle of november and continues till the...

A Comparative Study of Sugar Mill Treated and Untreated Effluent- A Case Study

Introduction The sugar mill in western Utter Pradesh, India is a key factor in rural economy of the state. Sugar factory is one of the most important agro based industry in India. India is...

Extractive Spectrophotometric Determination of Amitriptyline Hydrochloride in Pure and Pharmaceutical Formulations

Introduction Amitriptyline hydrochloride (ATH) is chemically, 3-(10,11-Dihydro-5H-dibenzo [a, d] cyclohepten-5-ylidene)-N,N-dimethyl-1-propanamine 1. It is a tricyclic antidepressant used in case of anxiety and also shows anticholinergic, antihistamine and antiserotonimic effects 2. In view of their...

Dissolution Study of Some Antibiotics

Introduction In the most common situation, a tablet is ingested and passes through the esophagus to the stomach. Because the stomach is an aqueous environment, this is the first place where a tablet may...

X-ray Diffraction Studies of Co(II), Sm(III) and Nd(III) Complexes with Gliclazide (N-(hexahydrocyclopenta[c] pyrrol-2(1H)-carbamoyl)-4-methylbenzenesulfonamide, An Oral Antidiabetic Drug

Introduction Polyfunctionally rings compounds and synthesis of their metal complex which have various biological activities and include hetero atom, have been formed in organic synthesis and coordination chemistry.1-6 Many trasition and inner trasition metal...

Template Synthesis of Macrocyclic Complexes of Bivalent CoII, NiII, PdII,ZnII and CdII Ions with Cyclic Glyoxal Carbohydrazone (1,2,4,5,8,9,11,12-octaazacyclotetradeca-5,7,12,14-tetraene-3,10-dione)

Introduction The concept of macrocyclic compound and their metal complex grew rapidly after synthesis of crown ether by Pederson in 19661. The growing application of macrocyclic complexes in transport of alkali metal nutrient to...

Biocidal and Spectroscopic Study of the Co(II), Ni(II) and Cu(II) Complexes with Schiff Bases

introduction The chemistry of Schiff base and their metal complexes have been extensively studied in recent years owing to their pharmacological properties1-5. Schiff base ligands have been extensively investigated with respect to their numerous...

Micellar Mediated Dissolution of a Hydantion Drug

Introduction Drug dissolution can be defined by the extent and the rate of dissolution and involves two steps, drug release from the dosage form (liberation process) and drug transpot within the dissolution medium (convection...

Carbene Based Palladium-catalyzed Mizoroki-Heck Reaction

Introduction C-C bond formation is one of the most fundamental and important reactions in the area of organic synthesis and Pd catalysis is the back bone of this bond formation [1]. Palladium complex with...

Spectro-chemical Studies of Complexes of Pb(II) with Triazole at Different pH(s)

Introduction The triazoles are of great biological 1-5 significance. It is also powerful fungicide. The   present   communication   reports   the  results of   the spectro-photometric studies of the complexes of Pb(II) with 5-mercapto-4-amino-3-methyl 1, 2, 4...

Synthesis and Structural Aspect of Some Transition Metal Complexes with Schiff Base Ligand Derived from 2, 6 Diethyl 4-pyrone

Introduction Study of Schiff base ligand is an excellent chelation ligand which can exhibit variety in the structure of their metal complexes. Transition metal complexes of N and O chelation centre have attracted considerable...

A Facile Microwave Assisted Synthesis and Spectral Analysis of 2-Amino-5-substituted phenyl-1,3,4-Oxadiazoles

Introduction Synthetic organic chemists explore new methods for chemical transformation. In recent year lot of work has been carried out to use microwave irradiation as an alternative to conventional heating which provide higher yield...

Studies of Spectral and Magnetic Behaviour of Some Complexes of Fe(II) Metals with 2-Hydroxy Benzo-Hydroxamic Acid

Introduction In this paper, we report the synthesis of some complexes of Fe(II) cations with 2-hydroxy benzo-hydroxamic acid1 in presence of bases like ammonia, quinoline, phenyl-isocyanide, pyridine, and α–picoline. Chemical required Acetate  chloride of...

Characterization of Transition Metal Complexes Derived from Biologically Active Furoic Acid Hydrazone

Introduction Furoic acid hydrazones and their metal complexes show varied applications as antifungal (1, 2), antibacterial (3,4) antioxidative (5,6) and cytotoxic (7, 10). These have also proved to be potential chemotherapeutic agents (11,12). In...

Microwave Assisted Synthesis and Spectral Analysis of Schiff Bases Derived from 2-Amino-5-Aryl-1,3,4-Oxadiazoles

Introduction Schiff bases or azomethines are an important class of compounds reported to possess carbon nitrogen double bond which is responsible for various biological activities1 including antibacterial2, antifungal3, anti-inflammatory4, antipyretic5, antitumor6,7, anticancer8 activities. They...

Synthesis, Characterization and Properties of Metal Complexes of Beta-diketonate Complexes

Introduction Transition metals play a central role in the construction of molecular materials, which display magnetic properties and find applications in material and supramolecular chemistry and biochemistry (1-4). Their complexes are well known for...

Thermodynamics of the Interaction of Some Transition Metal Ions with some N-substituted Thiovioluric Acids

Introduction The studies on the behaviour of the heterocyclic imines and enols are of current interest in biopolymers and in the physical chemistry of drug action. It is desirable that more information is gathered...

2, 4 Dihydroxy-5-Bromo[2’-Methyl] Propiophenone Oxime as an Analytical Reagent: Studies on Cu(II) Chelate

Introduction Several organic compounds with phenolic protogenic group and a suitably placed electron donating atom like nitrogen, oxygen or sulphur are found to interact with metal ions giving precipitation or coloration due to complex...

Mixed- Ligand Phosphine and Arsine Complexes of Ruthenium (III) Ligated by Heterocyclic Thioamide

Introduction Organometallic complexes of ruthenium are important class of compounds having great catalytic 1-4, medicinal5-7 and biological properties8-10. The present paper is devoted to the synthesis and characterization of new ruthenium(III) complexes with 1-phenyl...

Synthesis, Spectral and Biocidal Screening of Schiff Base Complexes of Co(II), Ni(II) and Cu(II) Containing Nitrogen and Sulphur Donor atoms

Introduction Indole derivatives are the basic framework of biologically active compounds. The indole ring system is found to be present in a number of drug molecules and biologically active compounds1-3. Indole derivative exhibits several...

Synthesis and Spectral Studies of Some Transition metal Complexes

Introduction Schiff bases are an important class of ligands in coordination chemistry and their complexing ability containing different donor atoms is widely reported.1,2 The chemistry of Transition metal complexes containing schiff bases continues to be...

Synthesis, Characterization and Antimicrobial Evaluation of some Schiff Bases and their Thiazolidinone Products

Introduction Schiff’s bases, characterized by the presence of imine or azomethine (-C=N-) group, constitute an important class of organic synthetic compounds. Imines owing to –C=N- linkage are useful as precursors in diverse organic synthesis...

Studies on the Solvent Extraction of Iron (III) with Tri-iso-octylamine from Aqueous Mineral Acid Solutions

Introduction Iron is one of the most essential elements in the human body. People with insufficient iron will develop some illnesses such as iron deficiency anemia (IDA), stomatitis, chronic gastritis, etc.. Iron deficiency anemia...

Determination of Some Properties of Reused Cooking Ground Nut Oil using FTIR Spectroscopy

Introduction Peanut oil also known as groundnut oil, is a mild tasting vegetable oil derived from peanuts. The oil is available in refined, unrefined, cold pressed and roasted varieties, the latter with a strong...

Microwave Assisted Synthesis, Characterization and Antimicrobial Activity of 10H-Phenothiazine Derivatives

Introduction Microwaves based studies have been attracting our attention progressively in the field of organic synthesis. The practical advantages associated with microwave irradiation in organic synthesis have included the enhanced reaction rates, high yields,...

Comparison of the Surface Features of the Three Chemically Modified Silk Cotton Hull Activated Carbons

Introduction Various methods are used to manufacture activated carbons.  The most common precursors are coal, wood, agricultural waste by-product, peat, and polymers [1].  When the so-called physical activation is applied, organic material is first...

Synthesis and Characterization of Hydrotalcite and Hydrotalcite Compounds and their Application as a Base Catalyst for Aldol Condensation Reaction

Introduction Hydrotalcite like compounds (HTLC) at present, form a large class of inorganic materials extensively studied as catalysts, anionic exchangers, sorbents and additives. Hydrotalcite mainly comprises of hydroxyl carbonates of magnesium and aluminum and...

Simultaneous Estimation of Cefixime and Moxifloxacin in Bulk and its Pharmaceutical Dosage form by RP-HPLC

Introduction Cefixime trihydrate (CEF) is an orally active third generation semi synthetic cephalosporin. Chemically, CEF is (6R,7R)- [(Z)-2-(2-aminothiazol-4-yl)-2-[(carboxymethoxy) imino] acetyl]amino]-3-ethenyl-8-oxo-5-thia-1-azabicyclo [4.2.0]pet-2-ene-2-carboxylic acid trihydrate,[Figure1.a] CEF is official in USP,1 BP,2 and EP.3Moxifloxacin (MOX) (1-cyclopropyl-6-fluoro-1,4-dihydro-8-methoxy-7-[(4aS,7aS)-octahydro-6H-pyrrolo-[3,4-b]pyridin-6-yl]-4-oxo-3-quinoline carboxylic...

Transition Metal Chelates of 2-[(2, 6-dichlorophenyl)-amino] Benzene Acetic Acid: Synthesis, Spectral Characterization and Antimicrobial Studies

Introduction Several aromatic carboxylic acids and metal Carboxylate complexes are known to have antibacterial and antifungal properties1,2. Transition metal complexes of carboxylate anions can adopt a wide range of bonding modes including monodentate, symmetric...

Effect of Chemical Parameters on the Properties of Hydrogels Prepared by using Gamma Radiation Polymerization

Introduction Hydrogels are materials that exhibit the ability to swell in water and retain significant fractions of water within the structure. Their ability to absorb water is due to the presence of hydrophilic groups...

Triton-B Adsorbed on Flysh: An Efficient Support for the Base Catalysed Reactions under Microwave Irradiations

Introduction Usually the base catalysed reactions are done in presence of pyridine or piperidine whch are hazardous in nature.  The well known example include synthesis of cinnamic acids by condensation of various aromatic aldehydes...

Penicillamine: Determination, Spectral and Antibacterial Studies as its Ru (III) Complex

Introduction The Importance Of Penicillamine (PAM) Is Due To Its Widespread And Different Pharmacological Effects. Penicillamine (D-3, 3 Dimethyl Cysteine) (Figure 1) Is Used For Treatment Of Rheumatoid Arthritis, In Pb Poisoning As Chelating...

Spectroscopic and Thermal Characterization of Gliclazide, Glibenclamide and Glimeperide Complexes with Transition and Inner Transition Metals

Introduction Gliclazide, Glibenclamide and Glimeperide, are bi substituted urea derivatives can exist in keto and enolic form  when dissolved in an organic solvent and react with various metal ions to form intensely coloured metal...

Method Development and Validation for Simultaneous Estimation of Atenolol and Nifedipine in Pharmaceutical Dosage Forms by RP-HPLC

Introduction Atenolol (ATE) is a β1-selective (cardioselective) β-adrenergic receptor blocking agent without membrane stabilizing or intrinsic sympathomimetic activities. Atenolol inhibits β2-adrenoreceptors, chiefly located in the bronchial and vascular musculature (1). Atenolol is also used...

Stereochemical, Thermal and Biochemical Aspects of Transition Metal Complexes Derived from 2-hydroxy-n-phenyl-benzamide

Synthesis, Structural Characterization and Anti-bacterial Activity of some Novel Schiff base Ligands and their Vanadium (IV) Metal Complexes

Introduction A large number of Schiff bases and their metal complexes have been found to posses important biological and catalytic activity1-3. These complexes are used as catalysts for water photolysis or reduction of oxygen...

Design, Synthesis and Characterisation of Novel Biodegradable Aliphatic Copolyesters- Poly(ethylene sebacate-co-butylene succinate) and Poly(ethylene sebacate-co-butylene adipate)

Introduction With the use of plastics in large quantities world over for use of convenience, the environmental pollution has also reached gigantic proportion. This has led to a growing interest in search of biodegradable...

A Thermodynamic Study on the Binding of Human Serum Albumin with New synthesized Anticancer Pd(II) Complex

Introduction Human serum albumin (HSA) is the most abundant protein in the systemic circulation, with HSA comprising 60% in plasma.  This protein can play a dominant role on the drug disposition and the efficiency....

Synthesis and Characterization of New Copoly(amide-imide)s and Copoly amides with Azo Groups in their Main Chains

Sediment Characteristic Studies in the Surface Sediment from Kemaman Mangrove Forest, Terengganu, Malaysia

Effects of MWNTs on Flame Retardation and Thermal Stabilization Performance of Phosphorus-containing Flame Retardants in Polypropylene

Introduction Polypropylene (PP) is one of the most widely used polyolefins and has a broad range of applications such as automotive parts, cables, electronics and architectural materials and so on. However, combustibility and melt...

Structure and Properties of Aluminum Alloys with Cerium, Praseodymium and Neodymium

Introduction Progress in many areas of science, engineering and technology practically possible in the presence of reliable information used in the study, design, and operation of materials and products.  It is important to know...

The Effect of Microbial Population and Bioregeneration of used GAC in an Activated Sludge Reactor

Introduction Due to high adsorptive capacity andan affinity for various types of dissolved organics, activated carbon (AC) as amicroporous adsorbent has attracted much attention in modern science and technology in recent years (Ismadji et...

The Chemical Modification of α-Amylase from Locale Bacteria of Bacillus subtilis ITBCCB148 using Citraconic Anhydride

Introduction α-Amylase is one of the extracelullar enzymes which potentially can be developed to be applied and used in industrial processes. Industrially, the demand of enzyme especially α-amylase is very high as almost about...

Theoretical Study of the Hydrogenation Reactions between 1,2-diazene and Flavonoid Molecules

Introduction Flavonoids are a natural compounds of the polyphenols family present in substantial amounts in plants, fruits and vegetables consumed daily by humans [1-4]. Most of these compounds show an interesting biological activities such...

A Theoretical Study of NBO Analysis and Solvation Effects on Tautomerism Stability of 4,8-dioxygenated 1,5-naphthyridine

A Selective Optical Sensor for Boron Determination Based on Immobilization of Neutral Red on a Ttriacetylcellulose Membrane

Introduction Boron is an important micronutrient for plants, animals and humans and its presence has been demonstrated to affect the function or composition of several body compartments (such as the brain, the skeleton and...

Determination of Aflatoxins G1 and G2 Using Ion Mobility Spectrometry

Introduction Aflatoxins (AF) belong to the group of mycotoxins, toxic fungal metabolites found as contaminants in various agricultural commodities under favourable temperature and humidity. AFs are difuranocumarine derivatives produced by Aspergillus Flavus and Aspergillus...

A Comparative Study on the Interaction of Sulfonamide and Nanosulfonamide with Human Serum Albumin

Introduction Physicochemical properties of nanoparticles such as their small size, large surface area, surface charge and ability to make them potential delivery systems for effective treatments. The pharmocokinetic parameters of therapeutic drugs against the...

Synthesis of Some New Heterocyclic Nitrogen Compounds Starting from Pyromellitic Dianhydride

Introduction Owing to the wide spread applications of pyromellitic dianhydride (PMDA) in several fields, such as synthesis of polyimides [1-3], epoxy resins [4] and Metal Carboxylate [5,6] Complexes. In addition, pyrrole, benzoxazine and phthalazine...

Potentiometric Determination of Mercury Ions by Ion Imprinted Polymer Coated Multiwall Carbon Nanotube: High Selective Sensor for Determination of Trace Amounts of Mercury Ions in Biological Samples

All-Solid-State Iodide Selective Electrode for Iodimetry of Iodized Salts and Vitamin C

Transition Metal Complexes of 5-bromo Salicylaldehyde-2- furoic acid hydrazide; Synthesis and Characterisation