Browsing Chemistry by Title
Now showing items 1-20 of 106
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Analysis of Cr Atoms Three-Dimensional Deposition Characteristics
(Scientific Research, 2011-09)The semi-classical model is used to simulate the three-dimensional trajectory and deposition distribution of the chromium atoms in the Gaussian laser standing wave field using the Runge-Kutta method, and then the three ... -
Analysis of the Behavior of Local Cooking Utensils in Tap Water, Salt Tap Water and Vegetable Oil According to the Temperature
(Scientific Research, 2013-12)In Senegal the aluminum scrap are mainly recycled kitchen utensils [1]. The craftsmanship poses the problem of the quality of finished products [1] especially when we know they are used for everyday cooking. Given that ... -
Anisotropy of Photocatalytic Properties in Nanostructured Photocatalysts
(Scientific Research, 2016-04)Energy band engineering and the nature of surface/interface of a semiconductor play a significant role in searching high efficiency photocatalysts. Actually, the active facets, morphology controlling, especially the ... -
Application of Conjugated Organic Polymers for Photovoltaic's: Review
(2018-01)Photovoltaic effect is the emergence of a voltage between electrodes attached to a solid or liquid system up on shining light on to this system. Conjugated polymer is a molecular entity whose structure is represented as a ... -
Applications of Infrared Spectroscopy in Analysis of Organic Aerosols
(Scientific Research, 2018-01)This paper reviews the studies of using FTIR to investigate the components of aerosols produced in smog chamber experiments and collected in atmosphere. The fact that aerosols are mixture of small amount of countless ... -
Aptamers—A Promising Approach for Sensing of Biothreats Using Different Bioinformatics Tools
(Scientific Research, 2013-11)Intentional release of pathogens or biotoxin against humans, plants, or animals is an impending threat all over the world. Continuous monitoring of environment is required for their detection. These signals can help to ... -
Aromatic Bromination in Concentrated Nitric Acid
(Scientific Research, 2014-04)Action of bromine in concentrated nitric acid allows carrying out mono- and polybromination of moderately deactivated aromatic compounds. 4-Chloronitrobenzene and isophthalic acid turnes into 3-bromo-4-chloronitrobenzene ... -
Assessment of Heavy Metals Immobilization in Artificially Contaminated Soils Using Some Local Amendments
(Scientific Research, 2013-07)Three alluvial soil samples with different textures were artificially polluted with chloride solutions of Cd, Pb, Co and chromate solution for Cr. The aqua-regia extracted concentration ranges in the artificially polluted ... -
Azido-meta-hemipinic Acid: An "Introverted" Acid?
(2018-02)Biocomposite materials consisting of Poly-L-Lactic-Co-Glycolic Acid (PLGA) and Hydroxyapatite (HA) were synthesized and mechanical properties have been observed by carrying out the fatigue test, for which accelerated tests ... -
A Benchmark Study on the Properties of Unsubstituted and Some Substituted Polypyrroles
(2015-11)The geometric, thermodynamic, electronic and absorption properties of Pyrrole and some of its derivatives have been carried out using CCSD/6-311++G(d,p)/STO-3G, TD-DFT and DFT/B3LYP/6-31G(d) from monomer to five repeating ... -
Biodiesel Production from Neem Seed (Azadirachta indica) Oil Using Calcium Oxide as Heterogeneous Catalyst
(2018-04)Biofuel is an alternative and environment friendly source of energy, originated by the use of fossil fuels and have led to a notable growing demand from the last few decades. As biodiesel are usually acquired from renewable ... -
Bioethanol Production from Rice Straw Enzymatically Saccharified by Fungal Isolates, Trichoderma viride F94 and Aspergillus terreus F98
(Scientific Research, 2014-06)Egypt faces a high population growth rate nowadays, which demands for an increase in agricultural production efficiency. Consequently, agricultural field residues will increase. Rice straw is one of the main agriculture ... -
Biological Activities of Resveratrol against Cancer
(2018-04)Resveratrol (RSV) is a polyphenolic compound naturally found in grapes, peanuts, and berries. Considerable research has been performed to determine the benefits of RSV against various human diseases, especially cancer. ... -
Biophysical EPR Studies Applied to Membrane Proteins
(2015-11)Membrane proteins are very important in controlling bioenergetics, functional activity, and initializing signal pathways in a wide variety of complicated biological systems. They also represent approximately 50% of the ... -
Bubble Formation in Helicoidal DNA Molecules
(2016-11)Wave interaction is addressed the framework of the helicoidal Peyrard-Bishop model of DNA. The model is first reduced to a set of coupled nonlinear Schrodinger equations via the multiple scale expansion. Modulational ... -
Cancer Risk Due to the Natural Radioactivity in Cigarette Tobacco
(Scientific Research Publishing, 2016-07)Thirty-one samples of cigarettes have been collected from local markets of different types of origins. The samples were selected according to a survey distributed to smokers by paper and digital survey to see the most ... -
Cation Sensing of Pyridoxal Derived Sensors Towards Fe (II) Ion in Pure Aqueous Solution
(2017-12)A novel sensor (L) was synthesized using Schiff base reaction of pyridoxal with orthophenylene diamine and was characterized by various spectroscopic techniques such as FTIR, 1H NMR and Mass spectrometry. The cation ... -
The Chain Reaction of Atmospheric Nitrogen Oxidation, Initiated by an Electric Discharge in Air
(2015-11)The data, concerning to the nitrogen oxidation reaction, initiated by electrical discharge, are reviewed in this article. The reviewed data lead to conclusion that critical concentrations of NO molecules and NO3 radicals ... -
Characterization and Evaluation of Antibacterial Activities of Chemically Synthesized Iron Oxide Nanoparticles
(Scientific Research, 2012-12)The iron oxide nanoparticles have been synthesized in co-precipitation method using aqueous solution of ferric and ferrous ions with sodium salt. The synthesis of iron-oxide nanoparticles were validated by UV-Visible ... -
Characterization of Some Hydrogels Used in Water Purification: Correlation of Swelling and Free-Volume Properties
(Scientific Research, 2015-07)In this study, the main objective is to develop a good chelation and ion exchange hydrogel. This hydrogel is obtained by polymerization of dimethyl amino ethyl methacrylate (DMAEMA) and acrylic acid (AAc) by gamma ...
