Volume 34, Number 5
Volume 34, Number 5
Functionalization of Cinnamaldehyde to Arylidene Barbituric Acid Catalyzed by Samarium(III) Chloride
Introduction Cinnamaldehyde (C9H8O) is an aryl aldehyde and appears as yellow oily liquid.1 Naturally, it is the main constituent (60-65%) of leaf and bark extract of cinnamon, particularly in Indonesian (Cinnamomum burmannii) and Indian...
Read MorePotentiometric Studies of Binary Complexes of Transition Metal Ions with Lauric Acid
Introduction Studies on binary complexes of vital biological ligands in aqueous and aqueous-organic media have received reasonable attention in recent years. The nonaqueous and aqueous-organic solvents are used instead of water due to their...
Read MoreGermanium Nanoparticles, Synthesis in Spark Discharge
Introduction Recent years have seen an increase in using various materials in the form of nanoparticles as well as their potential and functional applications in hi-tech fields. For example, the embedding of germanium nanoparticles...
Read MoreSilver Nanoparticle Synthesis and Characterization from leaf Extract of Psoralea Corylifolia (Babchi)
Introduction Psoralea corylifolia is a medicinal plant which develops normally in the blustery season all over India. This plant has antioxidant, antibacterial, anti-fiery and chemo defensive properties. Agreeing to Ayurveda, the entire plant is...
Read MoreResonance Raman Spectra of Erythrocytes: Vibron Model
Introduction Molecular spectroscopy is a key tool for the explanation of molecular structure. The study of fundamental and higher overtones of molecule helps in better understanding of the molecular structure, which might have a...
Read MoreStudy of Physical Properties of Zn1-xAgxO Thin Films Deposited by Chemical Spray Pyrolysis
Introduction ZnO is one of the most suitable metal oxide semiconductor having variety of applications, for instance transparent conducting oxides, photodetectors and Light emitting diodes because of its distinctive properties such as direct band...
Read MoreThe Synthesis of a Novel Tröger Base Polymer of 2,6(7)-Diamino-9,9,10,10-Tetramethyl-9,10-Dihydroanthracene
Introduction The German chemist (Julius Tröger) during his Ph.D., studied, synthesised and isolated (2,8-dimethyl-6H,12H-5,11-methanodibenzo[b,f][1,5]diazocine) also known as Tröger base 1 from the condensation of methanal (formaldehyde) with 4-aminotoluene (p-toluidine) in an acid-catalysed media.1 Through...
Read MoreStructure Activity Relationship Analysis of Antioxidant Activity of Simple Benzene Carboxylic Acids Group Based on Multiple Linear Regression
Introduction Phenolic compounds are secondary metabolites in plants with a common aromatic ring bearing one or more hydroxyl groups. More than 8000 natural phenolic compounds have been identified to date. These phenolic compounds are...
Read MoreAnalysis of Arsenic in Rice in Medan, North Sumatera Indonesia by Atomic Absorption Spectrophotometer
Introduction Arsenic is one of the most toxic metals found in nature because it can cause toxicity and carcinogenicity, even at low concentration. Long-term exposure may lead to an increased risk for various cancers,...
Read MoreNovel Cinchona Alkaloid Derivatives as Potential Antimalarial Agents through Receptor–Inhibitor Interaction Fingerprint and Biosynthesis Design
Introduction Malaria is an endemic disease caused by parasitic infection which influencing over than 224 million people and effecting mortality approximately 700,000 every year in the world.1 According to 41% of total world’s population,...
Read MoreSynthesis, Characterization of SiO2/TiO2 and SiO2/Al2O3 Nano-Composites for the Photo-Degradation of Acid Brown- 43 dye with Irradiation of Solar Light
Introduction Now a days, photocatalysis of semiconductors havingconcerned a countless deals of investigationowing to its possible application to solve environmental difficulties. Subsequently a photocatalytic practice is based on the generation of electron/hole pairs by...
Read MoreInfrared Spectroscopic and Scanning Electron Microscopy Study of Ibuprofen Loading onto the Molecular Sieve Mesoporous Silica SBA-15 Material
Introduction Many industrial fields have applied using mesoporous material due to their unique characteristics such as structure uniformity, large space of pore, high surface area, inert and high thermal stability.1 The structure of mesoporous material...
Read MoreEffect of Hindon River Water on Seed Germination of Mung Bean (Vigna radiata), Black Gram (Vigna mungo) and Wheat (Triticum aestivum) In-vitro
Introduction The Hindon River, is a potential source of water for different activities in the highly populated rural area of Western Uttar Pradesh region, is also utilized in different industrial activities taking place along...
Read MoreThe Influence of Fertilizer on Nitrate, Nitrite and Vitamin C Contents in Vegetables
Introduction Vegetables are the main source of nitrates and nitrites in human diet which contribute to around 80-92% of average daily intake. Plants and vegetables absorb nitrates which are naturally available in soil and...
Read MoreEvaluation of Natural Pigments as Antioxidant and Antibacterial Agents from Tagetes Erecta Flowers Extracts
Introduction Several plants, parts of plants or plants extracts comprises a number of natural products that have some association with medical properties and are used in healthcare or in combating disease. From the last...
Read MoreGadolinium-Mesoporous Silica as a Potential Magnetic Resonance Imaging Contrast Agents
Introduction In recent years, magnetic resonance imaging (MRI) has emerged as one of the best techniques in medical diagnosis. MRI has been widely used and promotes the development of pharmaceutical compounds called contrast agents...
Read MoreZeolite-Templated NiO Nanostructure for Methanol Oxidation Reaction
Introduction Porous solids are categorized in three classes: Microporous materials with a pore diameter (< 2nm), mesoporous materials are materials with a pore diameter of 2-50 nm and macroporous materials with a pore diameter...
Read MoreInvestigation on Al Doped Zno Thin Films and its N-Alzno/P-Si Junction Diodes Via Dip Coating and JNSP Techniques
Introduction Nowadays, forming a p-n junction diode by transition metal oxide (TMO) as an n-type layer and silicon (Si) wafer as a p-type is convincing method for electronics industry. The recent survey concludes that...
Read MoreGreen Synthesis and Characterization of Iron Oxide Nanoparticles Using Phyllanthus Niruri Extract
Introduction In a broad sense, the term biosynthesis includes a wide range of possible applications from nanotechnology enabled, environmentally friendly manufacturing processes that reduce waste products; the use of nanomaterials as catalysts for greater...
Read MoreMicrowave Assisted-Hydrothermal Synthesis of Nickel Ferrite Nanoparticles
Introduction Synthesis of nano and functional materials and their doping with rare and noble metals have attracted attention of many researchers.1,2 Magnetic nano-materials are characterized by their enormous physical properties, ease of preparation and low...
Read MoreSynergistic Effect Between Gum Exudates of Eucalyptus Globles and 2,6-Diphenyl-3-Methylpiperidin-4-one on Corrosion Inhibition of MS in 1N HCl
Introduction In many industries corrosion is a major problem for materials during acid pickling or chemical cleaning. Recently plant gum exudates are found to be non-toxic green corrosion inhibitors for various metals in different...
Read MoreMacro Coumarins as Novel Antioxidants
Introduction Coumarin is a simple molecule that originates from lactones family. As it possesses a benzopyrone system, it isolates itself from plants. Also, it can undergo total synthesis that is conducted in the laboratory....
Read MoreNovel Stress Indicating RP-HPLC Method Development and Validation for the Simultaneous Estimation of Ertugliflozin and Sitagliptin in Bulk and its Formulation
Introduction A novel class of anti-diabetic drugs, which are inhibitors of dipeptidyl-peptidase IV (DPP4), which included sitagliptin, vildagliptin and saxagliptin.1,2,3,4,5 Type 2 diabetes mellitus (T2DM) is a progressive disease, for the treatment of many...
Read MoreUtilization of Waste Leaves Biomass of Myrica Esculenta for the Removal of Pb (II), Cd (II) and Zn (II) Ions from Waste Waters
Introduction Since from last two or three decades, the exposure of heavy metals in the aquatic bodies has increased very rapidly.1 The presence of heavy metals in the water or waste water causes life threatening...
Read MoreComparative Analysis of Yttria Stabilized Zirconia (YSZ) and Titania Doped YSZ (YZT) Sintered by two Different Routes: Conventional and Microwave Processing
Introduction YZT ceramics, mixed conducting oxides, find multiple applications in photo catalysis, opto-electronic devices, environmental purification, photo eletrochemical solar energy conversion, optical coatings, thermal barrier coatings, dental bio ceramics, Supercritical Water Cooled Reactor Insulator,...
Read MoreAntibacterial Activity of Red Dragon Fruit Leaves Extract and White Dragon Fruit Leaves Extract Against Meningitis Bacterial
Introduction Meningitis is inflamed in the meninges which function as a protector of the brain and spinal cord. Meningitis is caused by five main factors, namely bacterial, viruses, fungi, amoeba and several diseases. The...
Read MoreEffects of Dopant Ions on the Properties of Polyaniline Conducting Polymer
Introduction Previous studies have demonstrated that polyaniline (PANI) has electrical properties,1-5 and therefore it can be classified as a conducting polymer. Recently, conducting PANI has received considerable attention and has been the subject of intense...
Read MoreAn Investigation of Textile Wastewater Treatment using Chlorella Vulgaris
Introduction Textile industries are one of the rapid growing sectors in India. There are 21,076 textile units in India of which 5,285 units in Tamilnadu.1 Textile processing includes sizing, de-sizing, scouring, bleaching, dyeing, rinsing...
Read MoreDesign and Fabrication of Temperature Sensor for Weather Monitoring System using MEMS Technology
Introduction Micro Electro Mechanical Systems (MEMS) is a technology to develop micro devices and micro systems. MEMS are used for miniaturization of sensors. MEMS components are generally in size from micrometers to millimeters. The...
Read MoreNew Modified Method for Determination of Nitric Oxide Synthase Activity in Plasma of Vitiligo Patients
Introduction Vitiligo is a skin pigmentation disorder and non-contagious disease, which is characterized by progressive skin depigmentation due to disorder in melanocytes function. With the prevalence of 1–2%, this disease represents a cause of...
Read MoreSynthesis of a New Conjugates of Imidazole wih Beta Lactam Moiety and Evaluation of its Expanded Antibacterial Activity
Introduction Bacterial infection considered as one of the most serious problem that threaten the human life.1 So that, antibacterial field played an important role to save many human lives and contributed to the control...
Read MoreEfficacy of Corrosion Inhibitive Properties of Gum Exudates of Azadirachta Indica on Carbon Steel in 1N Hydrochloric Acid
Introduction Carbon steel (CS) is extensively used in constructions as well as for industrial applications.1,2 Under different working environments, CS is liable to undergo corrosion. Though many ways are available for corrosion inhibition of...
Read MoreSynthesis and Evaluation of Antimicrobial Activity of New Imides and Schiff Bases Derived from Ethyl -4-Amino Benzoate
Introduction 1,3,4-Oxadiazole is a heterocyclic five –member ring possessing one oxygen atom and two nitrogen atoms. It is originated from a furan ring ,where two methylene groups (=CH) substituted with two pyridine type nitrogen...
Read MoreNew Aromatic Azo-Schiff as Carbon Steel Corrosion Inhibitor in 1 M H2SO4
Introduction Acidic solutions are usually used in industry for variety of purposes such cleaning and descaling of metallic parts; however, such processes are accompanied with the problem of corrosion which is considered as one...
Read MoreFree Fatty Acids Esterification on Palm Oil Sludge using Zirconia-supported Indonesia Natural Zeolite as Heterogeneous Catalyst
Introduction The biodiesel development as the sources of alternative renewable energy to substitute diesel fuel from crude oil has gained more attention in the last few decades due to the decreasing of fossil fuel...
Read MoreIdentification and Antibacterial Evaluation of Selected Jordanian Medicinal Plants
Introduction Plants are still being used as integral part of the primary healthcare, in developing countries, though synthetic medicinal drugs are available worldwide. Due to the emergence of new resistant pathogens to the most...
Read MoreApplications of Aquaponics on Pakcoy (Brassica Rapa L) and Nila Fish (Oreochromis Niloticus) to the Concentration of Ammonia, Nitrite, and Nitrate
Introduction The world is currently faced with increased human population resulting in a high demand for energy, food, and water. Man’s quest to solve her ever-increasing needs has led to climate change, scarcity of...
Read MoreRecombinant Triplex formed by PNA-TFO: A Molecular Dynamics Simulation Study
Introduction Triplex-forming Oligonucleotides (TFOs) are short oligonucleotides binds in major groove of double helical DNA and form DNA triplex. The triplex formation play important role in most of the vital function as in replication,...
Read MoreData on the Microstructure and Passivation Behavior for Austenitic Nickel-Chromium (NO7718) and Nickel-Chromium-Aluminum-iron (NO7208) Nickel Alloys in Corrosive Media
Introduction Austenitic nickel-chromium (NO7718) and nickel-chromium-aluminum-iron (NO7208) alloys are wrought, gamma-prime strengthened and high-performance alloys with excellent attributes including good mechanical strength, resistance to thermal creep deformation, excellent surface stability, and very high resistance...
Read MoreDevelopment and Validation of Rapid, Sensitive Rp-Uplc Method for Determination of Related Impurities in Dexrabeprazole Sodium
Introduction Dexrabeprazole sodium (DEX•Na) is R (+)-isomer of Rabeprazole, (2- [[[4-(3-methoxy propoxy)-3-methyl-2pyridinyl]-methyl] sulfinyl]1H-benzimidazole).1,2,3 It belongs to a class of anti-secretory compounds that exhibit neither anti cholinergic nor histamine H2 receptor antagonist properties. However, DEX•Na suppresses...
Read MoreComparison of Iron Reduction Methods on the Determination of Antioxidants Content in Vegetables Sample
Introduction Lately, consumption of health supplements undergo a sharp increase as part of human awareness to improve their health. In general, these supplements are plant products believed to reduce the risk of a number...
Read MoreStandard Quality and Antibacterial Activity Tests of Clove Oil in Solid Soap Production Against Staphylococcus Aureus, Staphylococcus Epidermidis and Escherichia Coli
Introduction Solid soap is a skin cleanser made of saponification or neutralization process of fat, oil, wax, rosin or acid with organic or inorganic bases without causing irritation.1 The soap can be produced using...
Read MorePreparation of N-TiO2/PbS Nanocomposite Using Successive Ionic Layer Adsorption and Reaction (SILAR) Method
Introduction Solar energy, a clean, non-polluting, safe, and unlimited energy, has been proposed to alternatively replace the nonrenewable energy sources, such as coal and oil.1 The availability of solar energy in the form of...
Read MoreHPLC Analysis of Chemical Composition of Selected Jordanian Medicinal Plants and Their Bioactive Properties
Introduction Huge developments in the pharmaceutical industries and chemistry are taking place nowadays, due to new findings in herbal medicine. Plants were used as the important sources of most drugs for eliminating pain and...
Read MoreBiopolymer Coated Coreshell Magnetite Nanoparticles for Rifampicin Delivery
Introduction Nanotechnology is currently trending and is being extensively researched due to their optical, magnetic, bioimaging,1 electrical properties2 and many more, obtained due to its large surface area to volume ratio. In this broad...
Read MoreA Correlation Study Between the Concentrations of Gold, Iron and Sulphate in Quartz Rock Samples Obtained from four Different Locations in Sudan
Introduction Gold is widely distributed throughout the world, normally in very low concentration and generally in native form as metal. It is shiny yellow, soft and chemically inert metal. Gold belongs to the group...
Read MoreSynthesis, Characterization and Herbicidal Activity of Amide Derivatives of Glyphosate
Introduction Agrochemicals have become global necessity to increase crop productivity in agricultural fields.1-5 Nowadays they play a pivotal role in controlling not only the pests and rodents but also many microbial infections.5-7 There are...
Read MoreOptimization of Lipase-Catalyzed Synthesis of Fatty Hydroxamic Acids from Terminalia Catappa L. Kernel Oil
Introduction Hydroxamic acid (N-hydroxy carboxylic acid) is a derivative compound of nitrogen compound that binds hydrogen in its hydroxilamine molecular with -CO-NH-OH (R = alkyl or aryl).1 Hydroxamic acid derivatives have received much attention...
Read MoreQuantitative Structure Activity Relationship (QSAR) Based on Electronic Descriptors and Docking Studies of Quinazoline Derivatives for Anticancer Activity
Introduction Cancer is a diseases which have an uncontrolled and abnormal growth. There were 1.688.780 new cancer cases diagnosed in 2017 and about 600.920 of Americans die or equally 1.650 people per day. Lung...
Read MoreSynthesis, Characterization and Cytotoxic Activity of some new 1,2,3-Triazole, Oxadiazole and Aza- β-lactam Derivatives
Introduction A wide ranging of various heterocyclic compounds has been discovered to develop pharmaceutically essential molecule. Among them which have played a significant role in medical chemistry were oxadiazoles derivatives.1,2 Which has been commonly...
Read MoreStudy of Potential Phenolic Compounds from Stems of Dendrophthoe Falcata (Loranthaceae) Plant as Antioxidant and Antimicrobial Agents
Introduction Loranthacea is a parasitic plant widely used in traditional Chinese medicine systems. One of this species is L. parasiticus which is known as Sang Ji Sheng (in Chinese), parasites (in Malay) and baso-Kisei...
Read MoreCalcareous Deposits and Effects on Steels Surfaces in Seawater – A Review and Experimental Study
Introduction The usefulness of seawater is multifarious especially in the areas of transportation, holding engineering infrastructures, telecommunications, and cooling reservoir in diverse manufacturing and engineering services and in military (naval) activities, water drinking through...
Read MorePreparation and Characterization of Indium and Gallium doped Transparent ZnO Films for Solar Cell Applications
Introduction Solar cells consist of various materials, each performing a specific function which contributes to the overall efficiency of the solar cell. The Transparent Conducting Oxide/Film (TCO) is an important component of the solar...
Read MoreChemical Structure of Kerogen of Shale Formations. (By the Example of the Shale Formations of the East European Platform)
Introduction Kerogen, which is the most important source of hydrocarbons, is one of the main objects of organic geochemistry. The term “kerogen” is understood to mean all OM of sedimentary rocks (oil shales and...
Read MoreElectronic Structure Mechanism of Axial Ligands on Itinerant Electrons and Negative Magnetoresistance in Axially-Ligated Iron(III) Phthalocyanine Molecular Conductors
Introduction Phthalocyanine (Pc) is a planar molecule composed of four circular N-linked isoindole rings forming a fully-conjugated 18 p-electron system – ideal structural and chemical characteristics as building blocks of functional materials. In recent...
Read MorepH Dependence of Size Control in Gold Nanoparticles Synthesized at Room Temperature
Introduction Research on nanoparticles has been significantly increased during the past decade because their unique physical and chemical properties. Metal nanoparticles have a wide range of application, such as biotechnology, microelectronics, catalysis, and also...
Read MoreEnhancing the Light Harvesting Efficiency, open Circuit Voltage and Stability of Molybdenum Doped (Zno)6 Nanocluster in Dye-Sensitized Solar Cells: A DFT Study
Introduction Nanostructured materials are currently of prodigious attention due to their reduced dimensions and are majorly take part in a large number of new devices. Among the renewable energy sources, solar energy is the...
Read MoreEffect of Shape and Size on Curie Temperature, Debye Frequency, Melting Entropy and Enthalpy of Nanosolids
Introduction The physico chemical properties of the nanosolids are a function of its shape and size. Nanoparticles with diameter varying from a few nanometers to several hundreds of nanometers are of great interest for...
Read MoreMolecular Dynamics Simulation of Methane and Carbon Dioxide Permeation Through A Layered Inorganic Membrane
Introduction A lot of efforts to address problems in environment and industrial process rely on gas separation techniques. Methane and carbon dioxide gases have been a long-time subject of research interest due to their...
Read MoreIn Vitro Cytotoxicity of the Synthesized Gallic Acid Derivatives (N-Alkyl Gallamide) Against Breast MCF-7 Cancer Cells
Introduction Breast cancer is a frequent diagnosed malignancy in females, and considerably the second most common human carcinoma in the world. In 2012, there were approximately 1.67 million of breast cancer cases which has...
Read MoreNewly Synthesized Oxadiazole Based Mannich Base Derivatives of Fatty Acid: In Silico Study and in Vivo Anti-Hyperglycaemic Estimation
Introduction Diabetes mellitus type 2, a chronic metabolic dysfunction describes a distinctive nature of fasting hyperglycaemia. The hyperglycaemia that leads to blooming complications is an outcome of deformation of various metabolic reaction of body....
Read MoreIn vitro Antacid Screening of the Aqueous and Ethanolic Leaf Extracts of Ixora Coccinea (Linn). and Mimosa Pudica (Linn.)
Introduction Due to the high prevalence of peptic ulcer, there is an increasing demand for a new anti-ulcer drug. In the Philippines alone, 4,135 peptic ulcer cases were reported in 2007.1 Common antacid preparations that...
Read MoreAn Innovative Application of Nano-Technology in the Production of Hybrid Inorganic-Organic Coatings of Crude Oil Tanks
Introduction Recently Nanotechnology application gained momentum, and environmental impact. Due to their extremely fine grain size and high grain boundary volume fraction Nano composites are known.1-4 Nano technology used in agricultural systems, biomedicine, environmental...
Read MoreKinetics of Lycopene Degradation in Sunflower and Grape Seed Oils
Introduction Lycopene (ψ,ψ–carotene), the carotenoid responsible for the deep red color of ripe tomatoes and tomato products, is one of the most potent natural antioxidants.1 Chemically, lycopene is an acyclic tetraterpenic hydrocarbon with 13 C–C...
Read MoreInhibitory Reactivity of Capsaicin with α-Amylase and α-Glucosidase Related to Antidiabetes using Molecular Docking and Quantum Calculation Methods
Introduction Nowadays, diabetes is known as the most dangerous disease killing more people than cancer and AIDS combined. Actually, it is said to be a modern disease, and has traditionally been viewed as a...
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