Volume 33, Number 5

Leucine Aminopeptidase from Arachis hypogaea L. Seeds Partial Purification and Characterization

Introduction Arachis hypogaea L. (Peanut)  is one of seeds that has great quantity of oil and protein , therefor, it is considered as very important food legume to human nutrition in the world ....

Silver Bullet for the Computation of Equivalent Weight of Sodium Thiosulphate in the Reaction 2S2O2-3 + I2 → S4O2-6 +2I- A Chemical Education Article for Freshmen Student

Introduction If one attempts to calculate the equivalent weight of hypo in the title reaction i.e. the reaction between sodium thiosulphate and iodine molecule, the conventional method involves the evaluation of the oxidation state...

A Comparison Between Different Properties of Bromoxynil and its Derivatives by DFT Method

Introduction Agrochemicals have become a fundamental input in agriculture crop production and leading the industry to achieve its transformation in-line with the changing demands from the growers as well as to suit the changing...

Antibacterial Activity Exerted by Some Diazabicyclo-Steroid Derivatives Against Staphylococcus Aureus and Streptococcus Pneumoniae

Introduction Infectious diseases are one of the main causes of morbidity-mortality in the world1,2. There are several reports which indicate that some causal agents,such as Staphylococcus aureus3, Streptococcus pneumoniae4 and othersare involved in infection diseases...

Synthesis and Characterization of Manganese, Copper and Zinc Complexes Derived from Schiff-Base Ligand

Introduction The schiff base transition metal complexes have invited the attention of Inorganic Chemists because of vast application in pharmaceutical and industrial fields.(1-5)Due to their simple synthesis and versatility Schiff  complexes continue to remain...

Nonferrous Materials Extraction from Heavy Oil with using Electro activated Water-Salt Solutions

Introduction The task of improving the processes of oil refining necessitates the use of all its components, including microelements. On the one hand, heteroatomic oil compounds can be considered as a potential source of...

Distribution of Manganese and Iron in the two Compartments of Wadi Tislit-Talssint, Descriptive Study and Variance Analysis

Introduction Some metallic elements, such as iron and manganese present in the state of traces, are essential for organisms, but in low doses1. However, increasing concentrations in the environment cause toxicity. These two chemical...

Extraction of Methylcellulose from Wheat Straw of Himachal Pradesh, India

Introduction Generally wood is more costly than non-wood. Wood is the vital wellspring of Cellulose for manufacturing paper. Likewise with the enlargement of paper ventures in the nation, mash containing plants are being utilized...

Study of Inhibition and Adsorption Properties of Mild Steel Corrosion by Expired Pharmaceutical Gentamicin Drug in Hydrochloric Acid Media

Introduction Simple accessibility, minimal effort of mellow steel has numerous industrial applications. It is broadly utilized as a part of different ventures like sugar, cowhide, sustenance, petrochemical, paper and material businesses. In most mechanical...

Estimation of Related Substances in Tigecycline by Rp-Hplc Method

Metal Distribution at River Water of Mining and Nickel Industrial Area in Pomalaa Southeast Sulawesi Province, Indonesia

Introduction An abundant potential of metal mineral resources in Indonesia consists of ferrous and many others (iron, nickel, cobalt, base metal, and rare earth metal)[i],[ii]. Indonesia is the second biggest country which produces nickel...

Effect of Some Transition Complexes on Bacteria and Fungi Causes Gastroenteritis in Human

Gastroenteritis (GIT) Is a condition called satisfactory inflammation of GLT, which includes both of the stomach and small intestine, which lead to the total of symptoms such as diarrhea, vomiting, abdominal pain and spasm...

Correlation Between Parameters Related to Intramolecular Hydrogen Bond Strength and Hammett Constant in Para Substituted Benzoylacetone: A Theoretical and Experimental Study

Introduction The concept of hydrogen bond, for the first time, had been proposed by Huggins in 1919 1. After that, many theoretical and experimental works have been done to study the properties of intramolecular...

Oxidation of Hydroxylamine by Waugh Type POM, Enneamolybdomanganate(IV) Ion: A Kinetic and Mechanistic Study

Introduction Hydroxylamine is an intermediate between nitrous oxide and ammonia, it can be oxidized to nitrous oxide and reduced to ammonia1. Its redox chemistry also has biological importance as in nitrification it is oxidized...

Physico-Chemical Characteristics of Toothpastes and Natural Powder and Study Their Antibacterial Activity Against Viridans Streptococci Bacteria

Introduction Toothpaste is one of important care products which are necessary for healthy teeth and oral hygiene. Toothpaste was made for teeth cleaning and protecting the mouth from oral microorganism. The ingredient in toothpaste...

Isotherm and Kinetic Study of Disulfin Blue and Methyle Orange Dyes by Adsorption onto by Titanium Dioxide- NPs loaded onto Activated Carbon : Experimental Design

Introduction Hues are widely used in the fabric, paper, plastic, leather, guest–host liquid crystal displays, solar cells, food and mineral processing industries. The effluents containing hues and pigments have been paid great attention in...

Phytochemical and in Vitro Antioxidant Activity of Various Bark Extracts of Syzygium Cumini (L).

Introduction In the modern work culture, there are numerous reasons that lead to oxidative stress in body which is challenging to cope with and leads to many disorders like early aging and age related...

Adsorption of Thymol Blue and Erythrosine-B on MWCNTs Functionalized by N-(3-nitrobenzylidene)- N’-trimethoxysilylpropyl-ethane-1,2-diamine Equilibrium, Kinetics and Thermodynamic Study

Introduction Dyes and pigments have been released in the waste-waters from textiles, papers, rubbers, plastics, leathers, cosmetics, foods, and drug industries1. These dyes make allergic dermatitis1, skins irritation, cancers and mutations in living1,2 organism....

Supercritical Fluid Extraction as A Technique to Obtain Essential Oil from Rosmarinus Officinalis L.

Introduction Rosemary (Rosmarinus officinalis L.) is a Long-lasting evergreen herb that belongs to the Lamiaceae family1. Rosemary is native to the Mediterranean region. It possesses needle-like leaves which contain a powerful fragrance2. It is...

Synthesis and Characterization of Substituted Metal (II) – Octa Methoxyphenyl Imino Phthalocyanine Pigments

Introduction Phthalocyanines ( Pc) have been worldwide focused on attention to explore and exploit the various versatile chromophores. Phthalocyanines are blue or green in color have been widely exploited as colorants. Phthalocyanines have a...

Increased of Cellulase Obtained from Bacillus Subtilis ITBCCB148 with Chemical Modification Using P-Nitrophenolcarbonate-Polyethylenglycol (NPC-PEG)

Introduction The research on thermostable enzymes nowadays is so interesting due to their used in industrial developments especially in industries of detergent, production of glucose syrup from starch, synthesis of organic compound, paper and...

The Chemical Analysis of Triphenyltin(IV) p-Hydroxybenzoate by Square Wave Voltammetry

Introduction Organotin(IV) compounds are continuous to attract attention not only due to their interesting structural features  but also the wide spectra of their strong biological activities1-3. Their activities are mainly determined by the number...

Optimization of Acid Hydrolysis of Cassava Rhizome into Fermentable Sugars for Bioethanol Production Using Response Surface Methodology

Introduction The agricultural residue (corncob, cotton stalk, rice hulls, wheat straw, etc.) is a rich cellulose element, which can be turned into ethanol by either biochemical or thermochemical conversion means. The researchers were studied...

N-benzylidene-2-aminobenzimidazol as a New Corrosion Inhibitor for Mild Steel in HCl

Introduction Anti-corrosive compounds have considerable agreement in industry due to superior inhibiting characteristics. However, numerous displayed as one of the majour impact, damage the environment, therefore the scientific community start for examination of eco-friendly...

Synthesis and Antioxidant Ability of Some New 6-amino-7H-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazin-3-yl) Derivatives Bearing 2,6-Dimethoxy-4-(methoxymethyl)Phenol Moiety

Introduction The free radicals are one of the most important factors that cusses critical disadvantage to biomolecules, for instance, proteins, carbohydrates, lipids, and DNA 1. Such this disadvantage considered as source of many infirmity...

Growth and Characterization of Jet Nebulizer Spray Deposited N-type WO3 Thin films for Junction Diode Application

Introduction Transition Metal Oxides (TMOs) have attracted substantial interest owing to their potential applications such as sensors, solar cells, photocatalysis and electrochromic devices [1-5]. ZnO, TiO2, SnO2, MoO3 and WO3 are the most standard...

Removal Bismarck Brown G dye from Aqueous Solution over a Composite of Triazole-Polyvinyl Chloride Polymer and Zinc Oxide

Introduction In last few years nano materials have  much attention  and are become a topic research over our world  due to their  massive importance in our modern life. Among wide variety of these Nano...

Silver Colloid and Silver Mirror Complex as Surface Enhanced Raman Substrate for Volatile Organic Compounds Analysis

Introduction Raman and Infrared spectroscopy are analytical techniques for studying and inspecting a spin or vibrate transition of functional group of molecular structures in solid, liquid, and gas states. The both techniques are different...

LC-MS/MS Method Development and Validation to Determine Three Tetracyclines and Their Epimers in Shrimp Samples

Introduction Tetracyclines (TCs) are a family of broad-spectrum antibiotics that are highly effective against a number of gram-positive and gram-negative bacteria, these antibiotics used worldwide to control bacterial infection and promote aquatic production1-4. Therefore, the easy availability...

Separation and Determination Micro Amount Cd+2 Ion by Using Cryptand C221 Via Liquid Ion Exchange Methodology

Introduction Solvent extraction of Cd (II) from sulfate medium by using bis (2-ethylhexyl) phosphoric acid (D2EHPA) dissolved in toluene. Cadmium is extracted by a cation-exchange mechanism as CdR2.2HR1. Cadmium picrate CdPic2 in water was...

Effect of Steam on the Energy and Activated Carbon Production of A Pilot-Scale Downdraft Steam Co-Gasification

Introduction Technology development and modern science aspiring to boost productivity rather than increase the use of inputs, focuses on linking activities in the agricultural sector and industry by using biomass and technology to optimize...

Synthesis of new -1,3,4-Thiadiazoles Substituted with Oxazepine and Benzoxazepine Moieties

Introduction Thiadiazoles are clear to yellowish liquids which are soluble in alcohol, ether and slightly soluble in water; they are starting material for numerous chemical compounds including sulphur drugs(1). Thiadiazoles are easily metabolized by...

Liquid Ion Exchange Application for Micro Amount Separation and Determination of Ca(II) and Mg(II) as Anions Species with EDTA

Introduction Cloud point extraction method has been applied for Mg2+ ions extraction. The extracted solvated species have λmax=249nm. The study includes the determination of all optimum conditions for extraction, as well as the determination...

Theoretical Spectroscopic and Second Harmonic Generations Studies of 5–Fluoro-2-Methyl Benzonitrile

Introduction Benzonitrile is the child molecule to the parent molecule ammonia to toluene, which had the enormous changing with the consequence of the particular ratio [1]. The fragrances, cosmetics, steroid, aromatic alcohols for color...

Hydrothermal Synthesis of Gadolinium (Gd) Doped Cerium Oxide (Ceo2) Nanoparticles: Characterization and Antibacterial Activity

Introduction Cerium oxide (CeO2) nanostructures are getting more familiarity due to its enhanced properties than that of bulk material [1]. The cerium oxide nanoparticles (CeO2NPs) have  unique structure because of their broad applicability to...

Synthesis and Characterization of Boron and 2-Aminophenol Schiff Base Ligands with Their Cu(II) and Pt(IV) Complexes and Evaluation as Antimicrobial Agents

Introduction The Schiff bases have a wide range of uses and applications because these compounds have  excellent properties such as structural similarities with biological molecules, simple preparation methods with flexibility[1],biological activity as antiviral, antileukemic,...

Removal of 2-Chlorophenol using Rice Husk Activated Carbon Prepared by ZnCl2/H3PO4 Activation

Introduction Activated carbon is a solid material with relatively small particle sizes: powder or granular form having excellent characteristics as adsorbent. The characteristics can be separated in physical and chemical properties and make them...

Recovery of Palladium from Concentrated Nitrate Solutions with N,N′‐Dimethyl‐N,N′‐Dioctyltetradecylmalonamide as new Extractant

Introducation Palladium is one of the most important of the platinum group metals (PGMs) with high corrosion resistance and catalytic properties. It has different important applications in industrial fields such as automobile catalytic converters1-4....

Synthesis of Uniform and Stable Molecularly Imprinted Polymer Particles by Precipitation Polymerization

Introduction Molecular imprinting polymers (MIPs) are known as facile and versatile materials for the creation of tailor-made binding sites which memorized template molecules with shape, size and functional groups1. To produce the durable MIPs,...

New Analytical HPLC Method Development and Validation for the Simultaneous Quantification of Paritaprevir Ombitasvir and Ritonavir in Spiked Human Plasma

Introduction Ritonavir (RTNVR) is an antiretroviral drug used along with other medications to treat HIV/AIDS and hepatitis C.[1-3]. Ombitasvir (OMBTSR) is an antiviral drug for the treatment of hepatitis C virus. Mostly it is...

Templated Roughness on the Surface of Polyamide Nanofibrous Mat by Mesh Electrospinning

Introduction Electrospinning is a versatile method for spinning various polymers into nanoscale fibers. Nanofibers produced by electrospinning or other methods show enhanced properties such as high surface area to volume ratio, flexibility in surface...

Mild Acid Ultrasonic Assisted Extraction of Arsenic Residues in Different Parts of Hot Chilli Prior to Ultra-Trace Determination by flow Injection-Hydride Generation Atomic Absorption Spectrometry

Introduction Chilli (Capsicum annuum L.) is an important fruit industrial crop of Thailand’s economy because of the combination of color, flavor, taste and nutritional value1. A large number of biological properties and potential fitness...

Comparative Modeling Approach upon Synthesizing Silver Nanoparticles from Solanum Virginianum

Introduction Advanced material such as metal derived nanoparticles have extensive applications due to its unique surface properties [1-4]. There are various techniques for producing silver nanoparticles viz., chemical route, photoreduction in reverse micelles [5-10]....

Mixed Ligand Complexes Derived from Isoniazid and Amino Acids; Preparation, Characterization and Anti-Tuberculosis Assay

Introduction Isoniazid is an organic compound that available in different pharmaceutical forms, which used to prevent and treat both latent and active tuberculosis [1]. Tuberculosis is a public health disease that caused several millions...

Synthesis and Characterization of New Polymers Derivatives from Copoly (Vinyl Chloride – Vinyl Alcohol)

Introduction During the last three decades the role of polymers in biomedicine has seen significant growth. The unique physico-chemical properties offered by polymeric materials have been exploited in a variety of biomedical applications. However, an increasingly important...

Comparative Study of Radiation Shielding Parameters for Binary Oxide Glasses

Introduction The study of interaction of nuclear radiations with matter is the important research area for the development of materials which can be used in high radiation environment.  These radiation shielding materials have great...

Synthesis and Characterization of Some Seven Coordinated Complexes of Lanthanide(III) Perchlorates with 4-[N-(4`-Ethylbenzalideneamino)]- Antipyrine Semicarbazone as Primary Ligand and Pyridine as Secondary Ligand

Introduction Lanthanide ions attach special importance in coordination and bioinorganic chemistry. The study of lanthanide(III) complexes with heterocyclic compounds, bearing nitrogen, oxygen or sulphur, as ligand, has attracted increasing attention [1-5]. Lanthanide ions, in...

Study of the Colourimetric and Photoluminescence Proprieties of Polyamide Fiber

Introduction Many works have been interested on the dyeing of nylon fibers and many classes of dyes have been used 1,2. The presence of terminal amino groups in nylon fibers imparts substantivity towards anionic...

Synthesis of Some new Nucleosides Derived from 2- Mercapto Benzimidazole With Expected Biological Activity

Introduction The chemistry of heterocyclic compounds was used to prepare 2-mercaptobenzimidazole and its derivatives for obtaining novel biologically active ingredients such as anthelmintic [1], anti-HIV [2], antifungal [3] antibacterial [4], CNS depressant [5], anti-inflammatory...

Compatibility Estimation of Oligobutadienediol with Simple Oligoetherpolyols for Molded Polyurethane Compositions Development

Introduction Molded polyurethane systems based on oligoetherpolyols and oligobutadienediols are widely used in various items production, produced on free molding technology. Polyether polyurethane are characterized by a rather high level of strength characteristics and...

Taft Equation – A Convenient Tool to Decide the Position of Attack in the Reactions of Aliphatic Amines and Tl (III)

Introduction The Hammett equation, which is based on the linear free energy relation, does not apply to the reactions of aliphatic compounds and ortho substituted benzene derivatives. This is because of interference of substituent...

Quantum Investigation (NMR and Electronic Properties) of SWCNT (6, 6) with 5-Fluorouracil as Nano Carrier

Introduction 5-Fluorouracil was called 5-fu in 1957. 5-Fu used from us food and drug administration for cancer chemotherapy as an antitumor, anti-metabolic agent. 5-Fu used to treat different cancer, including breast, bowel, skin, stomach,...

Co-Sensitized Tio2 Photoelectrodes by Multiple Semiconductors (Pbs/Pb0.05cd0.95s/Cds) to Enhance the Performance of A Solar Cell

Introduction Increasing demand for energy is forcing us to seek into an alternative new resources. Among many available candidates, solar energy is ideal to meet the target because of its abundant, clean, and inexhaustible...

Determination of Selected Toxic Trace Elements in Agricultural Soil and Wells Water Samples by ICP-OES

Introduction Agricultural soil and wells water that used for irrigation may contain high levels of toxic trace elements such as aluminum, arsenic, cadmium, lead, mercury, cobalt, chromium, beryllium and nickel may be hazardous to...

Liquid Biofuel Production from Palm Oil Using Dual-Function of Zn/HZSM-5 Catalyst

Introduction Due to an increase in energy demand and lacking of world’s energy resource, the developments of renewable energies have attracted a great interest. The biomass conversion technology is one of the wonderful candidates...

Design of Cinnamic Acid Derivatives and Molecular Docking Toward Human-Neutral α-Glucosidase by Using Homology Modeling

Introduction α-Glucosidase enzymes (EC 3.2.1.20) are classified into GH13 and GH31 classes.1   These enzymes are the kind of exo-glycosidase that hydrolyzes α-D-glucopyranoside. During the hydrolysis of α-glucosidase, GH13 and GH31 α-glucosidase enzymes generate α-D-glucopyranose...

Unique and Novel Hydrogen Bonding at the Frontiers: 2-Dimethylaminobenzoic Acid and MFn Interaction as Model

Introduction The H-bond is a dipole-dipole or an ion-dipole interaction while the original picture of H-bond definition may be visualized as X-H…Y where X and Y are nitrogen, oxygen, or fluorine, where X-H is...

Activated Carbon Supported Cobalt as Efficiency Adsorbent: Application Chemical Agricultural Polluant 2,4-D Herbicide Removal from Aqueous Solution

Introduction The pesticides in agricultural are applied to increase the profitability and quality of products; however, soils and water sources can become contaminated with these pesticides [1]. Chlorinated phenoxyacetic acid herbicides have been used...

Randic Shape and Size Indices Account for the Variability in Xanthine Oxidase Inhibitory Activity of a Family of Fused Pyrans

Introduction Gout, oxidative stress, and other systemic disorders like cardiovascular and other metabolic diseases have been strongly associated with hyperuricemia, a disorder in the metabolism marked by high levels of uric acid (UA) in...

Chicken Paws By-products as an Alternative Source of Proteins

Introduction Alongside an increase in the consumption of poultry, e.g. approximately 25 kg a year per inhabitant of the Czech Republic, there is a concurrent rise in the production of by-products from the slaughter...

Wool Functionalization by using Green Synthesized Silver Nanoparticles

Introduction With the advent of science and technology, a new era has emerged in the realm of textile processing by negotiating of metal nanoparticles due to nanoscale materials and structures, typically ranging from 1...

Sesquiterpene lactones of Iranian Compositae Family (Astraceae); their Chemical Constituents and Anti-Plasmodial Properties of Tehranolide (A.Review)

Introduction Sesquiterpene lactones are one of the most prevalent and biologically significant classes of secondary metabolite present, and as such have subject to a number of studies. Sesquiterpene lactones are a group of secondary...

X-Doped Graphene Interaction with Anodic Materiallibs

Introduction Thecarbonadoessuch as graphite are layered materials composed of hexagonal lattices sheets; graphite1,2 is including ofcarbon atoms at all direction in the lattice points, while the h-BN is consist of alternating atoms from boron...

Chemical Compounds and Antibacterial Activity of Tephrosia Toxicaria Pers.

Introduction Tephrosia toxicaria Pers. (Fabaceae), also referred as T. sinapou (Buc´hoz), is a shrub popularly known as “timbó de caiena” in Ceará state (Northeast of Brazil) where it is used as pesticide and fishing...

Synthesis, Structure-Activity Relationship, Docking and Molecular Dynamic Simulation of Curcumin Analogues Against HL-60 for Anti Cancer Agents (Leukemia)

Introduction Cancer is a dangerous disease and one of the leading causes death in the world. Currently, the major treatments for cancer include surgery, chemotherapy, and radiation [1]. However, high incidences of undesirable side...

Modern Approaches to Polymer Materials Protecting from Ionizing Radiation

Introduction High energy radiations of alpha and beta particles, X-rays and gamma rays and neutrons are often used in a wide range of industries, including nuclear power, healthcare and aerospace industry. Undesirable effects of...

Synthesis of A Novel PE-3030 Based WPUA Hybrid Binding Substance for Pigment Printing

Introduction Green chemistry, relate inescapable pattern of industry advancement, is that the forward position within the chemistry field at present era. In polymer chemistry, by reducing the practice of organic solvent during theprocess of...