Chemical sciences topic list of research papers
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Thalassospiramide G, a New γ-Amino-Acid-Bearing Peptide from the Marine Bacterium Thalassospira sp.2013 / Soohyun Um, Yuna Pyee, Eun-Hee Kim, Sang Lee, Jongheon Shin, et al.
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Treatment of leather industrial effluents by filtration and coagulation processes
Abstract This study focused on effluents characterization and accessing physical and chemical treatment by filtration and coagulation processes. The analysis results of the raw effluents reveal that the effluents were yellowish-brown color, having...
2013 / Manjushree Chowdhury, M.G. Mostafa, Tapan Kumar Biswas, Ananda Kumar Saha -
Synthesis of 7-chloroquinolinyl-4-2009 / Rosa Ferrer
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Enhancing the Mechanical Properties of Superhydrophobic Atmospheric Pressure Plasma Deposited Siloxane Coatings2011 / Charles E. Nwankire, Gregory Favaro, Quynh-Huong Duong, Denis P. Dowling
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A convenient one-pot synthesis and anxietic activity of 3-cyano-2(1H)-iminopyridines and halogen derivatives of benzo[h]chromenes
Abstract A general and easy method for the synthesis of 4,6-disubstituted-3-cyano-2(1H)-iminopyridine or 3-amino-6-chloro-1-aryl-1H-benzo[h]chromen-2-yl cyanide derivatives in the presence of high surface area MgO as a highly effective heterogeneous ...
2011 / Hassan Sheibani, Kazem Saidi, Mehdi Abbasnejad, Ali Derakhshani, Iman Mohammadzadeh -
Evaluation of thermal insulation and mechanical properties of waste rubber/natural rubber composite
Abstract The influences of waste rubber loading on mechanical and thermal conductivity properties were investigated for NR composite. An experimental investigation was carried out to obtain low cost construction material with desirable mechanical...
2012 / M.M. Abdel Kader, S.M. Abdel-wehab, M.A. Helal, H.H. Hassan -
Mineralization of 4-chlorophenol and analysis of bacterial community in microbial fuel cells
Abstract 4-Chlorophenol (4-CP) was co-metabolically degraded and mineralized with the presence of glucose in microbial fuel cells (MFCs), achieving a degradation rate of 0.58 ± 0.036mg/L-h (7.2 ± 0.5mg/g VSS-h) with an electricity generation of 5.4...
2013 / Liping Huang, Yuliang Sun, Yaxuan Liu, Ning Wang -
Density, refractive index and molar refractivity of binary liquid mixture at 293.15, 298.15, 303.15, 308.15 and 313.15K
Abstract Densities and refractive indices were measured for the binary liquid mixtures formed by formamide, N-methylacetamide, di-methylformamide and di-methylacetamide with acetonitrile at T =293.15, 298.15, 303.15, 308.15 and...
2012 / R.K. Shukla, Atul Kumar, Urvashi Srivastava, Kirti Srivastava, V.S. Gangwar -
Oxovanadium(IV) complexes of medicinal relevance: Synthesis, characterization, and 3D-molecular modeling and analysis of some oxovanadium(IV) complexes in O,N-donor coordination matrix of sulfa drug Schiff bases derived from a 2-pyrazolin-5-one derivative
Abstract The present paper reports the synthesis and characterization of some new oxovanadium(IV) complexes of composition[VO(L)2(H2O)]·H2O, where LH= N-(4′-butyrylidene-3′-methyl-1′-phenyl-2′-pyrazolin-5′-one)sulfadiazine...
2011 / R.C. Maurya, D. Sutradhar, M.H. Martin, S. Roy, J. Chourasia, et al. -
Sugar composition and yield of syrup production from the pulp of Moroccan carob pods (Ceratonia siliqua L.)
Abstract The aim of this work is to provide a process for obtaining natural carob syrup of Morocco carob pods and their total and reducing sugar. Samples were collected from different regions in the agro-forestry system of Morocco. The total sugar...
2011 / H. El Batal, A. Hasib, A. Ouatmane, F. Dehbi, A. Jaouad, et al. -
Plasma treatment by gliding arc discharge of dyes/dye mixtures in the presence of inorganic salts
Abstract The gliding arc discharge plasma (GAD) technique was used for discoloration and degradation of an anthraquinone dye Alizarin red S (ARS), an azo dye Orange G (OG) and their mixture. The influence of chloride and sulfate salts on the...
2011 / D.R. Merouani, F. Abdelmalek, F. Taleb, M. Martel, A. Semmoud, et al. -
Phytochemical fabrication and characterization of silver nanoparticles by using Pepper leaf broth
Abstract The Pepper leaves extract acts as a reducing and capping agent in the formation of silver nanoparticles. A UV–Vis spectrum of the aqueous medium containing silver nanoparticles demonstrated a peak at 458nm corresponding to the plasmon...
2012 / K. Mallikarjuna, N. John Sushma, G. Narasimha, L. Manoj, B. Deva Prasad Raju -
Synthesis, spectroscopic investigation and antimicrobial activities of some transition metal complexes of a [(2-hydroxyacetophenone)-3-isatin]-bishydrazone
Abstract A bishydrazone was obtained by the condensation of isatin monohydrazone with 2-hydroxyacetophenone, which formed a series of complexes with manganese(II), cobalt(II), nickel(II), copper(II) and zinc(II). The ligand and the metal complexes...
2012 / S.S. Swathy, R. Selwin Joseyphus, V.P. Nisha, N. Subhadrambika, K. Mohanan -
Synthesis, characterization and screening for antidepressant and anticonvulsant activity of 4,5-dihydropyrazole bearing indole derivatives
Abstract In the present study, a series of new substituted 5-(1H-Indol-3-yl)-3-(phenyl)-4,5-dihydropyrazoline derivatives (2a–m) have been synthesized with good yield by microwave assisted synthesis. The compounds synthesized were screened for...
2013 / Pravin O. Patil, Sanjay B. Bari -
Aspects of the behavior of some pentaerythritol ester base synlubes for turbo-engines
Abstract In this work a series of pentaerythritol esters have been synthesized. Dean Stark apparatus has been used to measure the water separated periodically as one of the resultants giving an indication about reaction progress. Elementary...
2013 / I.A. El-Magly, H.K. Nagib, W.M. Mokhtar -
Kinetic analysis of the leucyl/phenylalanyl-tRNA-protein transferase with acceptor peptides possessing different N-terminal penultimate residues
Abstract The introduction of non-natural amino acids at the N-terminus of peptides/proteins using leucyl/phenylalanyl-tRNA-protein transferase (L/F-transferase) is a useful technique for protein engineering. To accelerate the chemoenzymatic...
2013 / Jun Kawaguchi, Kumino Maejima, Hiroyuki Kuroiwa, Masumi Taki -
The effect of peptide adsorption on signal linearity and a simple approach to improve reliability of quantification
Abstract Peptide quantification using MS often relies on the comparison of peptide signal intensities between different samples, which is based on the assumption that observed signal intensity has a linear relationship to peptide abundance. A...
2013 / Stacey Warwood, Adam Byron, Martin J. Humphries, David Knight -
Metal ion promoted degradation mechanism of chlorpyrifos and phoxim
Abstract This study evaluate the degradation of the two organophosphorus pesticides: chlorpyrifos and phoxim in the presence of Ag+ at fixed initial concentration and temperature. Chlorpyrifos and phoxim were used as model compounds to develop...
2012 / Masoumeh Sarkouhi, Mojtaba Shamsipur, Jalal Hassan -
Fingerprint analysis of Cirsium japonicum DC. using high performance liquid chromatography
Abstract In many areas of China Cirsium setosum is used as Cirsium japonicum DC. Although the two herbs have similar appearance and many similar compounds, they are totally different medicinal material, and have different pharmacodynamic actions....
2013 / Hongli Ge, Muhetar Turhong, Munire Abudkrem, Yuhai Tang -
Preparative isolation of Heteroclitin D from Kadsurae Caulis using normal-phase flash chromatography
Abstract Heteroclitin D (H.D) was successfully isolated from Kadsurae Caulis by using flash chromatography and recrystallized by methanol, 10.2mg of H.D was obtained from 4.86g of crude extract, and the purity determined by HPLC was 99.4%. The...
2013 / Xiao-Xue Yu, Qian-Wen Wang, Xin-Jun Xu, Wei-Jian Lv, Ming-Qian Zhao, et al.