Browsing Chemistry by Title
Now showing items 21-40 of 106
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Chemistry in Second Life
(Springer Open, 2009-10)This review will focus on the current level on chemistry research, education, and visualization possible within the multi-user virtual environment of Second Life. We discuss how Second Life has been used as a platform ... -
Comparative Study on Heavy Metals Biosorption by Different Types of Bacteria
(Scientific Research, 2013-07)Biosorption of Cd(II), Ag(I) and Au(III) by cyanobacteria Spirulina platensis, of Au(II)—by Streptomyces spp. 19H, and of Cr(VI) and Cr(III)—by Arthrobacter species was studied by using the dialysis and atomic absorption ... -
A Comparative Study on the Physicochemical Parameters of Milk of Camel, Cow and Goat in Somali Regional State, Ethiopia
(2017-10)This research was carried out to investigate key physicochemical parameters of milk samples collected from camel, cow and goat in Jigjiga district, Eastern Ethiopia. Sixty fresh milk samples were collected purposively from ... -
Computational and Experimental Study of the Inhibition Effects of Purple Sweet Potato Leaves Extract on Mild Steel Corrosion in 1M H2SO4
(2017-08)The alkaloid and non-alkaloid fractions of purple sweet potato (Ipomoea batatas) written as AEIB and NEIB respectively were used as inhibitors in the corrosion reaction of mild steel in 1.0 M H2SO4 solutions. The corrosion ... -
Contaminants in Industrial Lean Amine Solvent and their Removal using Biopolymers: A New Aspect
(2014-03)Natural biopolymers are gaining increasing attention due to their extraordinary affinity towards adsorption of heavy metal ions. In this research, biopolymers such as chitosan and alginate were used to remove contaminants ... -
Controlled Synthesis and Characterization of Nobel Metal Nanoparticles
(Scientific Research, 2012-07)In this work, monodispersed, well-shaped platinum (3.2 - 6.4 nm), rhodium (2.4 - 5.1 nm), and palladium (3.2 - 5.3 nm) nanoparticles capped with poly(vinylpyrrolidone) (PVP) were synthesized by a polyol reduction method ... -
Correlation Between Oxidant Concentration and Morphological Properties of Silicon Nanowires Obtained by Silver-Assist Electroless Etching
(2017-03)In this work, a correlation between oxidant concentration and the morphological changes of silicon nanowires formed by a two-step silver-assist electroless etching method is established. It reveals that a textured silicon ... -
Corrosive Behavior and Physic-Chemical Characterization of Filtration Tanks
(Scientific Research, 2017-11)Most drinkable water supplied to the public in Mexico City comes from deep wells which extract water from the subsoil. Before being distributed, it is treated in steel filtration tanks. This water must be subject to ... -
Density Functional Study of Molecular Orbitals of Ferrocene and Cobaltocene Molecules
(2016-10)The electronic structure and geometry optimization of ferrocene and cobaltocene molecules are calculated using DFT/B3LYP with the basis set of 6-31G (d). The Eigen values, Eigen vector and population analysis of the molecules ... -
Detecting Ultra-Violet Radiation by Using Titanium Dioxide Nanoparticles
(Scientific Research, 2012-07)In this paper sensitivity of chemically synthesized titanium dioxide (TiO2) nanoparticles to ultra-violet (UV) radiation is investigated. For this purpose three types of ultra-violet photodetectors were fabricated, one ... -
Development of a Qualitative near Infrared Screening Method for Quality Consistency Assessment of Virgin Sunflower Oil
(Scientific Research, 2017-07)Near infrared spectroscopy offers advantages in the analysis of vegetable oils such as rapidity, relative cost-effectiveness, and usually no need for sample preparation. Virgin Sunflower oils were used as reference ... -
Differential Effect of Aluminium on Enzymes of Nitrogen Assimilation in Excised Bean Leaf Segments
(Scientific Research Publishing, 2016-06)Aluminium is a potent toxicant in acidic soils. The present study was taken up to analyze the effects of Al on enzymes of nitrogen assimilation in excised bean (Phaseolus vulgaris) leaf segments so as to gain an insight ... -
(E)-2-Benzylidenecycloalkanones XII.* Kinetic Measurement of Bovine and Human Serum Albumine Interaction with Selected Chalcones and Their Cyclic Chalcone Analogues by UV Spectrophotometry
(Scientific Research, 2015-01)UV-VIS spectroscopic investigations of interaction of bovine and human serum albumin with selected chalcones (1) and their cyclic chalcone analogues: (E)-2-(4’-X-benzylidene-1-tetralones (3), benzosuberones (4) with ... -
An Easy and Efficient Method to Functionalize Titanium Dioxide Nanoparticles with Maleic Anhydride
(Scientific Research, 2014-07)In this work, titanium dioxide (TiO2) nanoparticles were functionalized with maleic anhydride (MA), using a non-polar (toluene) and polar protic (ethanol) solvents. The concentrations of MA in the reaction were varied ... -
Eco-Friendly Production of Silver Nanoparticles from Peel of Tangerine for Degradation of Dye
(Scientific Research, 2015-03)Green chemistry methods for production of nanoparticles have many advantages, such as ease of use, which makes the methods desirable and economically viable. The aim of the present work was to green synthesise silver ... -
Eco-Friendly Synthesis of Silver Nano Particles Using Carica papaya Leaf Extract
(Scientific Research, 2018-01)Silver nanoparticles were synthesized using eco-friendly method with extract of Carica papaya as reducing and stabilizing agent. The silver precursor used was silver nitrate solution. A visible colour change from colourless ... -
Effect of Deformation during Stamping on Structure and Property Evolution in 3rd Generation AHSS
(Scientific Research, 2018-06)Over the past decade extensive development of advanced high strength steel (AHSS) was driven by the demand from the automotive industry for stronger materials that can enable lightweighting to meet increasing fuel ... -
Effect of Molecular Weight and Molecular Distribution on Skin Structure and Shear Strength Distribution near the Surface of Thin-Wall Injection Molded Polypropylene
(Scientific Research, 2016-01)In this study, the relationship between skin structure and shear strength distribution of thin-wall injection molded polypropylene (PP) molded at different molecular weight and molecular distribution was investigated. ... -
The Effect of Plasticizers on Mechanical Properties and Water Vapor Permeability of Gelatin-Based Edible Films Containing Clay Nanoparticles
(Scientific Research, 2015-12)The effects of glycerol and sorbitol as two plasticizers on mechanical properties, water vapor permeability, thermal properties, color and capability of heat sealing of gelatin films (of phytophagous fish, bovine gelatin ...