Volume 34, Number 4
Volume 34, Number 4
Removal of Malachite Green from Single and Multi-Dye Aqueous Solutions by Acid-Treated Sawdust
Introduction Industrial processes generate wastewaters that may have a large amount of different types of dyes which are potentially toxic and even carcinogenic when discharged into the environment without any prior treatment. They are...
Read MoreVibrational Spectra of Ozone (O3) Using Lie Algebraic Method
Introduction In 1981, Iachello presented Lie algebraic framework to molecular spectra of small molecules.1,2 This framework based on Schrodinger equation with a Morse potential function and described ro-vibration spectra of diatomic molecules.3,4 Later this method was...
Read MoreCharacterizing Crystalline Chromium Oxide Thin Film Growth by Sol-gel Method on Glass Substrates
Introduction Alkali transition metal oxides have been attracted great attention due to their scientific and technological importance.1-3 Among these oxides, chromium oxide exhibits an interesting type of magnetic ordering which has been studied by...
Read MoreThe Synthesis and Evaluation of Vanillin Derivatives as the Fruit fly Attractant
Introduction The post-harvest treatment of fruits to control fruit flies attack usually involve the use of synthetic pesticides. The most frequent and damaging fruits flies for fruit harvest in Indonesia is Bactrocera spp (Diptera:...
Read MoreBiosorption of Cu (II) Metal Ions in Fixed Column by using Coconut Husk Waste
Introduction The current rapid industrial development has caused pollution effects on the environment. The activities of metal coating industry have resulted in the increasing of heavy metals level in the water because the waste...
Read MoreAcoustic Properties of Sound Absorber from Modified Polyester with Filler Sodium Bicarbonate
Introduction The utilization of polymer material as a sound absorber has been an option and commercially valuable. In field application, a thermoset resin material such as polyester is not recommended for a sound absorber material due...
Read MoreAn Efficient Electrochemical Approach for Characterization of the Interface Strength of Nano Titania-Silica (TS) Composite Coating on Titanium Implants
Introduction The magnitude of molecular and cellular events at the tissue-implant interface are controlled by the bioactivity and topography of the biomaterial surface.1 Bioactive nano-structured coatings applied on an orthopaedic implant can mimics the properties...
Read MoreStudies on Photophysical Properties of Mono-Carbonyl Curcumin Analogues: Experimental and Theoretical Approach
Introduction The golden spice curcumin is a hydrophobic natural product present in turmeric, a yellow active component isolated from plant curcuma longa L,1-3 which has been used for ages as a spice, cosmetics and...
Read MoreRelationship between MODIS-based Aerosol Optical Depth and PM10 over Sumatra to Overcome the Limitations of Air Quality Monitoring Data Availability
Introduction Particulate matter (PM) is currently a major air quality issue that substantially influences the climate,1 the environment2 and human health.3,4 In situ observations of PM concentrations are therefore necessary to link air pollutants...
Read MoreVariations in Non-Enzymatic Antioxidants in Hisar Arun (Local) and Kashi Vishesh (Hybrid) Cultivars of Tomato Fruits Treated with H2O2 During Storage Periods
Introduction Tomato (Lycopersicum esculentum) belongs to a night shade family which is an adaptable vegetable and considered to be extensively consumed produce (Ahmed et al., 2012).1 On one hand, tomato fruits are consumed in...
Read MoreCuO Coated Electrochemically Generated Textile Wastewater Sludge and CuO Coated GAC as Potential Nano-Adsorbents for Color Removal from Real Textile Wastewater
Introduction Nanomaterials and its application in wastewater treatment is widely used for has gained accelerated clean water reclamation. Materials at nano scale, often possess novel size-dependent properties different from their large counterparts2 and with...
Read MoreEstimation of Lattice Constants and Band Gaps of Group-III Nitrides Using Local and Semi Local Functionals
Introduction Group III- nitride semiconducting materials form the host material system for the fabrication of optoelectronic devices working in wide spectrum from infrared region to ultraviolet region.1-3 Alloying the other group III or V...
Read MoreSynthesis and Characterization of Benzimidazole by Using o-Phenylenediamine with Different Aldehydes and Carboxylic Acids in the Presence of ρ-TSOH as a Catalyst
Introduction Benzimidazole is one of the heterocyclic compounds that shows different biological qualities such as antibacterial and antifungal.1 Also, some Benzimidazoles have an effect on human viruses such as cytomegalovirus.2 There are two procedures...
Read MorePreparation and Conductivity of La9.33 Si6O26 (LSO) – Ce0.85Gd0.15O1.925 (CGO15) Composite Based Electrolyte for IT-SOFC
Introduction One of the causes of energy crisis is due to the high usage of fossil fuel as energy source for various human activities. Fuel cell is an alternative technology not to only produce...
Read MoreEstimation of preptin in serum of Thyroid Dysfunction Patients and its Relationship with other Parameters
Introduction Disorder of thyroid gland can be classified into: hypothyroidism and hyperthyroidism. In hypothyroidism mention to the usual pathological condition of TH inadequacy. If untreated, it can lead to significant contrary health impact and...
Read MoreMicrowave Synthesis, Characterization and Antimicrobial Activity of Some Chromene Derivatives
Introduction Eco-friendly synthetic procedure is a novel and promptly developing methods of medicinal chemistry. It’s very fast growing importance is used for medicinal chemistry research fields because these methods are constructed avoid the chemical...
Read MoreElectrochemical Trifluoromethylation of Isonicotinic Acid Hydrazide Using Cyclic Voltammetry and Galvanostatic Electrolysis
Introduction Organofluorine compounds have distinctive chemical, physical and biological properties. Recently, there has been increasing interest in the chemistry of organofluorine compounds, which find applications in a wide variety of fields such as material...
Read MoreGC-Mas Analysis and Estimation of Pomegranate Husks Extracts and Study the Biological Efficacy of Compound Tri-Butyl Acetyl Citrate as one of the Extracts Against Food Fungi
Introduction Pomegranate Scientific name Punica granatuml. It belongs to the Punicaceae family which contains one genus and two species P.proto-punica Balf is a small spread on the island of Socotra in the Republic of...
Read MoreSolid Dispersion of Usnic Acid–HPMC 2910 Prepared by Spray Drying and Freeze Drying Techniques
Introduction Usnic acid is a second metabolite of Usnea sp, which is a dibenzofuran derivate. Since the first isolation in 1844, usnic acid has become the most extensively studied and commercially available lichen metabolite1....
Read MoreExcess Molar Quantities of Binary Mixture of Dipropyl Amine with Aliphatic Alcohols at 298.15 K
Introduction The familiarity of the excess parameters of organic liquid blends is salutary in industrial enforcements and is highly significant for understanding the molecular interactions between the components this as well assist to develop...
Read MorePreparation and Characterization of Chloride-free Alumina-Supported Platinum Catalysts
Introduction Organometallic compounds are widely used as catalyst precursor.1,2 A combination of impregnation of the support with a solution containing the appropriate organometallic species and heat treatment can yield metal and/or metal oxide particles uniformly...
Read MoreStructural and Magnetic Investigations of Silica Coated Cobalt- Ferrite Nanocomposites
Introduction Nanostructure materials because of their small size, high surface to volume ratio and quantum confinement have attracted considerable attention as compared to their bulk materials.1,2 The synthesis of new nanostructure materials are of...
Read MoreThermodynamics of Ion Exchange Reaction in Predicting the Ionic Selectivity Behavior of UV Radiation Degraded Nuclear Grade and Non-Nuclear Grade Resins
Introduction Ion exchange is a process in which the mobile ions from external solutions were exchange with the ions that are bound to different functional groups in the resins if the resin containing positively...
Read MoreAdsorption of Phenol and Methylene Blue in Solution by Oil Palm Shell Activated Carbon Prepared by Chemical Activation
Introduction The industrial development and the use of synthetic inorganic and organic compounds for various purposes have a negative impact that is contamination of surface water resources and ground water resources.1 Organic pollutants that...
Read MoreSynthetic and Study the Chelating Activity of Some Polymers Containing Heterocyclic Rings Which Derivative from 1,2,4- Trizol Levofloxacin Acid
Introduction Micro-organisms has reached on alarming level around the world, and the synthesis of new anti-infective compounds has become an urgent need for the treatment of microbial infections. The1,2,4-triazole nucleus has been incorporated into...
Read MoreSynthesis, Characterization and Antibacterial Activity of Carbamate Derivatives of Isatin
Introduction Isatin (2,3-indolinendione), is a heterocyclic compound of significant importance in medicinal chemistry. The keto group at position 2 and particularly at position 3 can enter into addition reactions at the C-O bond and...
Read MoreApplications of Computer-Aided Approaches to Determine Urease Inhibitory Activities of Flavonoids Analogous
Introduction Since the early 1900s, various studies of flavonoid compounds have been conducted. Flavonoid compounds are a large class of compounds originally derived from plants, all of which share a similar chemical structure based...
Read MoreSynthesis, Characterization, Fluorescence, Electrochemical, Antimicrobial and Cytotoxic studies of Cobalt (II), Nickel (II) and Copper(II) complexes with N-4-Methylphenyl (2,4-dihydroxy acetophenylideneimine)
Introduction The metal complexes with azo linkage have been explored remarkably during the last few decades.1-3 Biological resemblance of Schiff bases is due to the structural resemblance of peptide bonds in protein.4 Such type...
Read MoreAnticancer Activity of Graphene Oxide/5-FU on CT26 Ds-Red Adenocarcinoma Cell Line
Introduction Cancer is one of the health-threatening diseases. In 2015, about 90.5 million people were affected by cancer.1 About 14.1 million new cases occur a year and it causes about 8.8 million deaths (15.7% of deaths).2 Fluorouracil (5-FU),...
Read MoreResponses of Oryza sativa L.Towards Azo Functionalised Schiff Base Cu(II) Complexes and CuSO4: A Comparative Biochemical Study
Introduction Copper having the most stable oxidation state of +2, is one of the important redox active transition metal for plants.1 The optimum content of Cu2 + in plant tissue is around 10µg g-1 dry weight...
Read MoreHigh Molecular Weight Poly(Lactic Acid) Synthesized With Apposite Catalytic Combination and Longer Time
Introduction In the recent years research attention is shifted on the synthesis and application of biodegradable polymers, which find use in agriculture in the formulation of controlled release fertilizers1 and in increasing the water...
Read MoreFacile Method to Synthesize of N-Graphene Nano Sheets
Introduction Recently, graphene has been a widely material to develope andfascinate to research by various fields of science namelyphysics, chemistry, biology and material engineering. Basically, graphene is a carbon allotropy that becomes the basic...
Read MoreDetection, Characterisation and Determination of Indoor Organic Air Pollutant and fine Particles Produced by Laser Printers
Introduction Nowadays, air pollution is one of the largest environmental problem because of the air quality importance for human health. Human daily air consumption is around 3 times of water and 16 times of...
Read MoreLaccase from Lentinus Polychrous Increases the Efficiency of Cellulose Hydrolysis of Rice Straw to Glucose
Introduction Lignocellulosic biomass is a promising source for production of alternative fuels such as ethanol which can help to reduce the dependence on fossil fuels. In addition, it can be transformed to a wide...
Read MoreA New Lignan Derivative, Lasiocarpone, from the Stembark of Chisocheton lasiocarpus (Meliaceae)
Introduction The Chisocheton plant genera as a second largest plant of Meliaceae family, consisting of 50 plants and widely distributed in the tropics. Previous phytochemical studies of this genera have produced some compounds with...
Read MoreStudying the Mineral Additives Effect on A Composition and Properties of A Composite Binding Agent
Introduction Cement industry is a basic branch of the building complex. To raise the efficiency of the cement industry it is necessary to increase output of mixed cements, to use more widely various industrial...
Read MoreStudies of Distorted Octahedral Complexes of Cobalt, Nickel and Copper and Their Antibacterial Properties
Introduction The thiosemicorbazide and derivatives has broad spectrum of applications in various fields. In biological field they may be used as fungicides, insecticides, algaecides, plant growth regulators, enzymatic aldolisation catalyst, antiviral antibiotic agents etc.1-6...
Read MoreStudies on Precision and Accuracy in Microdetermination of Transition Metals Using Ternary Complex EAB-CTAB-Metals
Introduction The property of formation of colored complexes has successfully applied for the spectrophotometric estimation of metal ions since last few decades. The addition of long chain quaternary salts to the deeply colored solution...
Read MoreA Study of the Effects of Waste Egg and Shrimp Shells on the Toxicity Immobilisation of Chemicals
Introduction Global environmental concerns are growing intensely with such a sharp decline in natural resources, pollution, and climate change. Moreover, with the continuous increase in world population1 has caused serious resource scarcity such as...
Read MoreSynthesis and Anticancer Activity of Mixed Ligand, Cobalt (II), Nickel (II), Manganese (II) Complexes of Tertiary Diphosphines with Dithizone (H2dz)
Introduction Extensive study of metal complexes as chemotherapeutic and drug agents is widely related to employment of cisplatin as an anticancer drug a above thirty years ago.1 But all the cisplatin is suffering from...
Read MoreAdsorption Process of Cu(II) cations by using the Waste of Phosphate Rock (WPR)as novel adsorbent material
Introduction The increase in industrial activity influences potential toxic pollution by heavy metals, which has increased vastly over the last decennium. The enormous amount of waste (solid, liquid and gaseous) generated by industrial activities...
Read MoreHydrothermal Preparation of Silver Doping Zinc Oxide Nanoparticles: Study the Characterization and Photocatalytic Activity
Introduction Recently, Metal oxide nanoparticles have been involved consideration in various fields of scientific and technological applications because of unique electrical, mechanical, chemical and optical properties from their particle sizes in nanoscale.1-2 ZnO is...
Read MoreSynthesis and Evaluation of Central Antinociceptive Activity of Ring Substituted Chalcones; Molecular Docking Studies with Monoacylglycerol Lipase (MAGL) Enzyme
Introduction Pain is now recognized as a global health problem, with an urge for effective and safer therapeutic agents. Pathophysiology of pain is complex despite of the recent advancements that has taken place in...
Read MoreEffect of Different Current Density on Properties of Electrodeposited NiCoCr Thin Films
Introduction There is a rising interest in NiCo thin films with chromium for innovative applications.1 NiCo thin films reveal magnetic, detecting and catalytic properties as an element of nickel and cobalt metals formed into...
Read MoreImprovement in Crystallizability and Melt Flow Property of Linear Poly(L-lactide) Bioplastic by Blending with Star-shaped Poly(L-lactide)
Introduction Poly(L-lactic acid) (PLA) or poly(L-lactide) (PLL) is a biodegradable bioplastic that has attracted increasing attention for use in commodity applications because of its bio-renewability, biodegradability, biocompatibility, good processability and good mechanical properties.1-4 PLL...
Read MoreStudy of Dissolved Copper(II) Speciation at Coastal Water of Peninsular Malaysia
Introduction Metal speciation has long been studied1, where many studies were done specifically for Cu, since it has both nutrient and toxic effects on microorganisms.2-9 Copper speciation analysis is necessary in order to understand...
Read MoreSynthesis of Nanobentonite as Heavy Metal Adsorbent with Various Solvents
Introduction Pollution of the aquatic environment by heavy metals becomes a serious problem in public health and a very important environmental issue.1 Lead (Pb) is toxic to public health. Lead can cause brain damage, inhibition of growth...
Read MoreSynthesis and Characterization of K2O/MCM-41 (Mobil Composition of Matter No. 41) from Lapindo Mud by Sonochemical Method for Transesterification Catalyst of used Cooking Oil
Introduction One of the most potential fuels is biodiesel. Biodiesel research was initiated by Rudolf Diesel, in 1900 invented a gasoline diesel engine based on peanut oil. In its development, it is not only...
Read MoreThe QSPR Study of Butane Derivatives: A Mathematical Approach
Introduction Butane is an organic compound with the formula C4H10 that is an alkane with four carbon atoms. Butane derivatives are chemical compounds formally derived from the parent compound Butane by the replacement of...
Read MoreImpervious Nature of Al2O3-PANI Composite Against Corrosion on Mild Steel in Strong Acidic Environment
Introduction Metalworking industries suffers mishap due to chemical or electrochemical attack on metal. Metal corrosion is a resolute threat to national economy and industry design.1,2 It is miserable that corrosion can’t be completely eradicated, as...
Read MorePhytochemical Investigation and Antioxidant Activity of Leaf Extract of Withania Somnifera from Konso, South Ethiopia
Introduction Nowadays free radical species are the major causes of degenerative diseases. Degenerative diseases such as cataracts, immune system decline, brain dysfunction, high blood pressure and many more are caused by free radical-induced chain...
Read MoreThe Characterization of Heterogeneous Nanocatalyst of Biohydroxyapatite-Lithium and Its Application for Converting Malapari Seed Oil (Milletia pinnata L.) to Biodiesel
Introduction Research of conversion Malapari seed oil (Milletia pinnata L.) to biodiesel is predominantly using a liquid based homogeneous catalyst (NaOH or KOH). Biodiesel production using homogeneous catalysts has several disadvantages, namely the separation...
Read MoreSynthesis of Bioplastic-Based Renewable Cellulose Acetate from Teak Wood (Tectona grandis) Biowaste Using Glycerol-Chitosan Plasticizer
Introduction Biodegradable polymers expand the range of waste management alternative over conventional plastics, and this is supported by the Life Cycle Assessment[G1].1 In recent years, the production of biodegradable materials from renewable natural resources (such...
Read MoreSynergistic Combination Effect of Green Organic Derivatives on the Corrosion Inhibition of Mild Steel in Simulated Seawater
Introduction The corrosion process results in deterioration of the surface properties and metallic substrate of carbon steels. Corrosion initiates at flaws on the oxide film formed on the steel. The flaws are the products...
Read MoreRetusenol Potentially Inhibits Putative Drug Targets for Tuberculosis, Cardiovascular Diseases, Cancer and HIV: A Reverse Docking Study
Introduction Retusenol was isolated from Atalantia retusa Merr., an endemic shrub of Mindoro, Palawan and Panay islands, Philippines. It demonstrated anti-microbial property against five microorganisms, namely: B. subtilis, P. aerugininosa, S. aureus, C. albicans,...
Read MoreSynthesis, Spectroscopic Investigation of Co(II),. Ni(II). and Cu(II) Complexes with 2-meracapto-5-(2,4-dinitrophenyl)-1,3,4-oxadiazole or 2-meracapto-5-((4-(dimethylamino)benzylidene)amino)-1,3,4-thiadiazole Ligands
Introduction The reaction of ions with thiones compounds have been the subject of various characterization as these chemical compounds contain active groups [NH-CS ↔ -N=C(SH)], and are helpful parent compounds for S including peer...
Read MoreThe Study of Physical and Chemical Properties of the Water-Soluble Polymer Reagents and Their Application as an Ointment
Introduction The creation of new polymer reagents from their synthesis in the laboratory to their industrial production as an ointment is relatively long and expensive process. Therefore, the most promising and justified way is...
Read MoreWater Resource use and Management, Determination of Physical-Chemical Water Parameters in Radonique Lake
Introduction Water is a substance without which there would have been no life on our planet. It is a constituent of all living plant and animal organisms.1,2 Most of the water is found in...
Read MoreCharacterization of Bio-Composite Apatite / Chitosan Cement and its Antibacterial Activity
Introduction Calcium-phosphate compounds, as bone substitute materials have a large place in clinical applications.1 Today, the calcium phosphate cements receive much interest for their various properties such as their biocompatibility and their ease introduction...
Read MoreVolumetric and Ultrasonic Velocity Studies of Urea and Thiourea in Aqueous Solution
Introduction The physico-chemical interaction between various essential molecules in a living organism and cosolutes are very important. Urea is highly active compound in a variety of biological functions in our body and has been...
Read MoreElectrochemical Analysis of the Anti-Corrosion Properties of Benzonitrile Compound on Quenched 420 Martensitic Steel in Strong Aqueous Environment
Introduction Stainless steels are metallic alloys with high corrosion resistance in comparison to carbon steels due to varying weight content of chromium, nickel etc. alloyed with the iron substrate metal. Martensitic grades of stainless...
Read MorePreparation and Aggregation-Induced Emission of New 1,3,5-Triazine-2,4,6-tricarboxamide with Liquid Crystal Properties
Introduction Organic solid luminescent materials have been attracting particular attention due to their vast potential applications, in displays, optoelectronics, organic solar cells, organic light emitting diode (OLED) as well as in the field of...
Read MoreNovel Green Hydrogel Material Using Bacterial Cellulose
Introduction Hydrogels are three-dimensional crosslinked hydrophilic materials to avoid the dissolution of the polymer chains in the medium1 which are able to absorb and retain large amount of liquids, bodily fluids and blood solutions.2,3 Normally,...
Read MoreIndustrial Applications of Clay Materials from Ghana – A Review
Introduction Though clay deposits are ubiquitous in Ghana and have important domestic applications, their physicochemical properties for such application has not been fully explored.1 The importance of clay is demonstrated mainly in various applications...
Read MoreCrown Ether Schiff bases and Their Complexes: Recent Advances Review
Introduction The first set of crown ethers compounds prepared by Pedersen assumes an essential part in the growth of supramolecular chemistry.1-4 In the area of supramolecular chemistry, crown ethers are suited to the gathering...
Read MoreA Critical Review on Advances in the Multicomponent Synthesis of Pyrroles
Introduction Heterocyclic molecules are a valuable class of organic compounds which show a broad spectrum of application in medicinal chemistry,1 biochemistry,2 photochemistry,3 material science4 and environmental science.5 With the increasing emphasis on eco-friendly chemical...
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