Volume 36, Number 5
Volume 36, Number 5
Bis-(3,5- Dimethoxy Salicylidine)-Ethylenediamine as a Gravimetric Reagent for Cu(II)
Introduction Synthesis and characterization of Cu(II) complex with bis-(3,5-dimethoxy salicylidine)-ethylnediamine ligand was done with a view to gravimetric estimation of Cu(II). Hypothesis behind this work is that the reagent bis-(3,5-dimethoxy salicylidine)-ethylenediamine may prove better...
Read MoreSynthesis of 3- Ferrocenyl Isocoumarins
Introduction Isocoumarin and its derivative have been found to exhibit interesting physiological properties. This is effective in central depressant activity, remedy for antimalerial and antiallergic1,2 retarding the clotting of blood3 ,tracheal and respiratory contractions4...
Read MoreRheological Characteristics of Castor Oil Used as Biodegradable Lubricant
Introduction Lately, due to environmental issues and more restrictive environmental laws, there has been a strong demand for “environmentally friendly” lubricants with as little negative impact as possible. In this context, lubricants obtained from...
Read MoreAssessment of Salts Effect in Sugar – Aqueous System
Introduction Assessment of sugar quality is carried out by using conventional parameters like Brix, Pol, and Purity. These conventional parameters are calibrated in terms of pure sucrose solution, ignoring non-sugars substances having importance during...
Read MoreApplication of Natural Dyes and Sodium Alginate from Sargassum Sp. Seaweed in the Coloring Bima Woven Fabric
Introduction Weaving is one of the cultural arts of Indonesian traditional fabrics that are produced in various regions of the archipelago in the form of human hand skills using traditional weaving tools. One area...
Read MoreIdentificatiion of Physical Clues by Ftir Spectroscopy
Introduction Modern society is harmed by crimes which pose a serious threat to the peace, property and comfort of the people. Quality of life is seriously affected by overall crimes. Quality Town or city...
Read MoreStudies on some Hetero Binuclear Copper(II) Schiff Base Complexes
Introduction Schiff base are studied extensively as they form large number of complexes with transition metals1. The structural design of the metal complexes of Schiff base, their applications as antibacterial and antifungal agents and...
Read MoreGel Formulation of Jamblang Leaf Extract (Syzygiumcumini L) Skeel and Antioxidant Activity
Introduction Free radicals are defined as an atom or molecule that has one or more unpaired electrons in its outer orbitals, is very reactive and unstable1. Free radicals can come from cigarette smoke, fried...
Read MoreNovel N2O2 Schiff Base Derived from 1,2-Hydrazinedicarboximidamide and its Complexes with Cu(II), Co(II), Ni(II) , Mn(II) and Cr(III): Synthesis and Characterization
Introduction Metal complexes of azomethine ligands have acquired more attention due to their easy synthesis, their stereo-electronic structures, and outstanding biological activities (1), catalytic activities (2,3), Synthesis and design of transition metal ion complexes...
Read MoreQuantifying Production of Quorum Sensing Regulated Pigments in Pseudomonas aeruginosa BIOTECH 1335
Introduction Organisms have established numerous complicated ways to work together and adjust to the setting they occupy through natural evolution. For that reason, they must modify their phenotypes to respond in any diverse situations...
Read MoreSynthesis, Characterisation and Antibacterial Activity of Some Indole Derivatives and their Inclusion Complexes with β-Cyclodextrin
Introduction β-Cyclodextrin is an oligosaccharide containing seven D-glucose units forming a cyclic ring. The seven D-glucose units joined through 1,4-alpha linkages in such a way as to form a ring, a chain bracelet each...
Read MoreIsotherm, Kinetics and Thermodynamic Studies of Hexavalent Chromium Adsorption by Using Dead Biomass of Eichhornia Crassipes
Introduction During the last few decades, there has been a many-folds increase in the pollution load of our country. Activity like industrialization and increased in urbanization has amplified heavy metals pollution in the ecosystem1,2....
Read MoreDevelopment and Validation of UV-Spectrophotometric Method for Estimation of Doxofylline in Bulk and Tablets
Introduction The number of patients with respiratory diseases such as COPD and asthma is increasing day by day. These two diseases are considered as major risk factors for other respiratory diseases like severe acute...
Read MoreSynthesis, Characterization and Cytotoxicity of Ni (II), Pd (II), Pt (II) Complexes with 6-Methoxy-2, 3, 4, 5-Tetrahydropyridine (MTP)
Introduction N-heterocyclic (NHC) compounds constitute a new type of ligands in coordination chemistry and organometallic chemistry1, they belong to a new family of ligands with electronic characteristics similar to those of the phosphines2. The...
Read MoreSynthesis of Carbon Quantum Dot from Water Hyacinth Stalk by Radiation Processing
Introduction Water hyacinth (Eichornia crassipes) is classified as abundant aquatic wastes leading to oxygen depletion and water flow reduction. Thick mats of water hyacinth seriously hindered the water flow; thus, its mechanical harvesting is...
Read MoreStability Indicating RP-HPLC Method Development for Related Substances of Anti-Histamine Promethazine Hydrochloride and its Validation Study.
Introduction Promethazine (PMZ), ), 10 H-Phenothiazine-10-ethanamine, N,N,a-trimethylmonohydrochlorid is a common antihistamine pharmaceutical drug that is sold as hydrochloride salt (PMZ·HCI). (see Fig.1). PMZ is an antihistamine agent of the first generation used to treat...
Read MoreEnhance the Stability of Traditional Concentrated Yoghurt Using Natural Antioxidants Additives
Introduction Virgin olive oil composed mainly of oleic acid and a balanced amount of polyunsaturated fatty acids, which qualifies it as natural antioxidants. In addition to its contribution to the prevention of several human...
Read MoreSynthesis, Characterization and Biological Studies of Some Organotin Compounds: A Review
Introduction Organotin compounds or stannanes are globally used as they possess a huge variety of manufacturing and farming applications although these compounds are comprehensively used for their natal properties like anticancer, antimicrobial, antiviral etc....
Read MoreMolecular Interactions and Aggregation Behavior of Cloxacillin Sodium in Water and Aqueous NaCl Solutions through Volumetric and Ultrasonic Sound Velocity Studies at 298.15 K
Introduction In pharmacokinetics, drug is a very essential chemical material that used for the treatment of various disease such as therapy, prevention /diagnosis, develop mental well-being 1 etc. To recognize the drug action in...
Read MoreHydroxytriazene Derived from Sulphanilamide: Spectrophotometric and Biological Applications
Introduction Hydroxytriazenes have been synthesized and used as analytical reagents for spectrophotometric determination during last many years1-2. This is an organic compound which have linear -N(OH)-N=N-moiety and reported as a good chelating agent having...
Read MoreStudy of Growth and Sublimation of Germanium Nitride Using the Concept of Tedmon’s Kinetic Model
Introduction The growth of a scale on the surface of a metal or alloy in the active gas medium is often accompanied by secondary processes limiting its kinetics. In particular, such a process is...
Read MoreBismuth (III) Triflate: A Mild, Efficient Promoter for the Synthesis of Trisubstituted Alkenes through Knoevenagel Condensation
Introduction The Knoevenagel reaction first reported in 1890 by Emil Knoevenagel which is an Aldol type condensation is extensively applied to the formation of the carbon–carbon double bond in synthetic organic chemistry. This important...
Read MoreNew Mixed Ligand Cobalt(II), Nickel(II) and Copper(II) Complexes of 2,2′-Bipyridine-3,3′-Dicarboxylic Acid (bpdc) with 2-Mercapto-5-Phenyl-1,3,4-Oxadiazole (phozSH) and Their Antioxidant Activity
Introduction Oxadiazoles have been recognized during a century, nevertheless the majority of research has focused on the symmetric 1, 2, 5- and 1, 3, 4-oxadiazoles1. 1, 3, 4-oxadiazoles and their complexes have fascinated more...
Read MoreStructural, Vibrational, Electronic and Optical Properties of 3-Methoxy-2,4,5-Trifluorobenzoic Acid Using DFT Calculations
Introduction Benzoic acid is the standard chemical used in bomb calorimeter to determine the heat capacity. Benzoic acid enhances the growth of mold, yeast, bacteria. Skin diseases are treated by benzoic acid1. Topical antiseptics...
Read MoreDetermination of Retinol and Tocopherols in Human Serum using Ultra- Performance Liquid Chromatography with Photodiode Array
Fat- soluble vitamins including Vitamin E and Vitamin A exhibit high biological activity against oxidants and free radicals1. They are commonly found in fats and fatty food components of vegetables and animals. Vitamin E ...
Read MoreThe γ-oryzanol Content of Thai Rice Cultivars and the Effects of Gamma Irradiation on the γ-oryzanol Content of Germinated Thai Market Rice
Introduction γ-Oryzanol is a mixture of ferulated plant sterol compounds first isolated from rice bran1-3. γ-Oryzanol’s components include ferulic acid esters such as cycloartenyl ferulate, campesteryl ferulate, and 24-methylenecycloartanyl ferulate2,4,5. In recent years, γ-oryzanol...
Read MorePhytochemical Study and Antioxidant Activities on Extracts of the Leaves and Roots of Costus Afer Ker Gawl. (Zingiberaceae)
Introduction The number of people affected by Hemorrhoids is a public health concern and the numbers are expected to increase if nothing is done. Approximately 10 – 25 % of the tested population have...
Read More2-Iodoxybenzoic Acid: An Oxidant for Functional Group Transformations
Introduction 2-Iodoxybenzoic acid (IBX), a hypervalent iodine(V) reagent (Figure 1) finds numerous applications as an oxidant. It is effective in carrying out oxidation of alcohols, benzylic and allylic sites, and carbon centres adjacent to...
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