Chemical sciences topic list of research papers
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Regioselective C5-alkylation and C5-methylcarbamate formation of 2,3-dihydro-4-pyridones and C3-alkylation and C3-methylcarbamate formation of 4-(pyrrolidin-1-yl)furan-2(5H)-one
Abstract Reactions of N-alkyl-2,3-dihydro-4-pyridones and 4-(pyrrolidin-1-yl)furan-2(5H)-one with aldehydes and triethylsilane in a one-flask procedure provided C5 and C3 alkylated derivatives, respectively. Mannich-type reactions with formaldehyde...
2015 / Xingxian Gu, Gunda I. Georg -
Purification And Separation Of Rare Earth Elements From CCFL With Extraction Chromatography2015 / J.-G. Kim
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Synthesis, characterization and crystal structure determination of a new Zn(II) Schiff base complex derived from condensation of a new asymmetrical tripodal amine, 3-((4-aminobutyl)(pyridin-2-ylmethyl)amino)propan-1-ol and 2-hydroxy-3-methoxybenzaldehyde
Abstract A new tripodal amine, 3-((4-aminobutyl)(pyridin-2-ylmethyl)amino)propan-1-ol (HL) has been prepared. This has been used to synthesize a new Schiff base complex by template condensation with 2-hydroxy-3-methoxybenzaldehyde in the presence of ...
2015 / Majid Rezaeivala -
HNO3@nano SiO2: An efficient catalytic system for the synthesis of multi-substituted imidazoles under solvent-free conditions
Abstract Concentrated nitric acid supported on nano silica (HNO3@nano SiO2) has been prepared via a simple procedure. The synthetic powder has been utilized as an effective catalytic system for the synthesis of various 2,4,5-trisubstituted...
2015 / Kobra Nikoofar, Shekoufe Moazzez Dizgarani -
Phytochemical standardization, antioxidant, and antibacterial evaluations of Leea macrophylla: A wild edible plant
Abstract In Ayurveda, Leea macrophylla Roxb. ex Hornem. (Leeaceae) is indicated in worm infestation, dermatopathies, wounds, inflammation, and in symptoms of diabetes. The present study aims to determine the antioxidant and antibacterial potential...
2016 / Apurva Joshi, Satyendra K. Prasad, Vinod Kumar Joshi, S. Hemalatha -
One pot environmental friendly nanocomposite synthesis of novel TiO2-nanotubes on graphene sheets as effective photocatalyst
Abstract A nanocomposite synthesis of TiO2NT-graphene was prepared from titanium dioxide nanotubes and graphene oxide (GO) by a simple environmental friendly method (green method). The structure, surface morphology and chemical composition were...
2016 / Heba H. El-Maghrabi, Engy Ahmed Nada, Fathi S. Soliman, Yasser Mohamed Moustafa, Alaa El-Sayed Amin -
Nano ZnO/amine composites antimicrobial additives to acrylic paints
Abstract Nano ZnO has been widely used as an antimicrobial agent not only for food packaging purposes but also in many coating processes. The present work is meant to enhance such functions through the preparation of sustainable and safe conduct of...
2015 / H.B. Kamal, M.S. Antonious, M.A. Mekewi, A.M. Badawi, A.M. Gabr, et al. -
Development and validation of a small single domain antibody that effectively inhibits matrix metalloproteinase 82016 / Delphine Demeestere, Eline Dejonckheere, Sophie Steeland, Paco Hulpiau, Jurgen Haustraete, et al.
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A Simple Plate Method for the Screening and Detection of Fucoidanases
Abstract A novel method was developed for the screening and detection of fucoidanase activity in bacterial colonies using fucoidan–agarose plates and staining with hexadecyltrimethylammonium bromide (Cetavlon). Colonies with fucoidanase activity...
2016 / Artem S. Silchenko, Huynh Hoang Nhu Khanh, Cao Thi Thuy Hang, Valeriya V. Kurilenko, Alexander M. Zakharenko, et al. -
Choline sulfatase from Ensifer (Sinorhizobium) meliloti: Characterization of the unmodified enzyme
Abstract Ensifer (Sinorhizobium) meliloti is a nitrogen-fixing α-proteobacterium able to biosynthesize the osmoprotectant glycine betaine from choline sulfate through a metabolic pathway that starts with the enzyme...
2015 / Juan José Sánchez-Romero, Luis F. Olguin -
Photosafety testing of dermally-applied chemicals based on photochemical and cassette-dosing pharmacokinetic data2015 / Hiroto Ohtake, Yukiko Suzuki, Masashi Kato, Yoshiki Seto, Satomi Onoue
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Impact of formulation parameters on physical characteristics of spray dried nanoemulsions and their reconstitutions2015 / Htoo Htet Myat, Garnpimol C. Ritthidej
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Glutathione S-transferase pi (GST-pi) inhibition and anti-inflammation activity of the ethyl acetate extract of Streptomyces sp. strain MJM 8637
Abstract To investigate the anti-cancer properties of soil-borne actinobacteria, MJM 8637, the glutathione S-transferase pi (GST-pi) assay, anti-tumor necrosis factor (TNF)-α assay, the level of antioxidant potential by DPPH radical scavenging...
2015 / Sung-Kwon Lee, Dong-Ryung Lee, Bong-Keun Choi, Sasikumar Arunachalam Palaniyandi, Seung Hwan Yang, et al. -
Kinetic barriers in the isomerization of substituted ureas: implications for computer-aided drug design2016 / Johannes R. Loeffler, Emanuel S. R. Ehmki, Julian E. Fuchs, Klaus R. Liedl
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On the fluorination of plutonium dioxide by ammonium hydrogen fluoride
Abstract A method for synthesis of PuF3 from PuO2 by fluorination using NH4HF2 was investigated. The text comprises the literature study on the published methods for PuF3 syntheses, principles of the applied NH4HF2 fluorination, the developed...
2016 / Benoit Claux, Ondřej Beneš, Elisa Capelli, Pavel Souček, Roland Meier -
Evolution of the macromolecular structure of sporopollenin during thermal degradation
Abstract Reconstructing the original biogeochemistry of organic microfossils requires quantifying the extent of the chemical transformations they experienced during burial and maturation processes. In the present study, fossilization experiments...
2015 / S. Bernard, K. Benzerara, O. Beyssac, E. Balan, G.E. Brown Jr. -
Optimization of the reaction parameters of heavy naphtha reforming process using Pt-Re/Al2O3 catalyst system
Abstract One of the most significant procedures in oil refineries is naphtha catalytic reforming unit in which high octane gasoline is gained. Normally, in oil refineries, flow instability in the composition of feedstock can affect the product...
2016 / Hussien A. Elsayed, Mohamed F. Menoufy, Seham A. Shaban, Hoda S. Ahmed, Bassem H. Heakal -
Controlling time scales for electron transfer through proteins
Summary Electron transfer processes within proteins constitute key elements in biological energy conversion processes as well as in a wide variety of biochemical transformations. Pursuit of the parameters that control the rates of these processes is ...
2015 / Scot Wherland, Israel Pecht -
Diastereoselective synthesis of trans-2,3-dihydrofuro[3,2-c]coumarins by MgO nanoparticles under ultrasonic irradiation
Abstract MgO nanoparticles have been used as an efficient catalyst for the diastereoselective preparation of trans-2-benzoyl-3-(aryl)-2H-furo[3,2-c]chromen-4(3H)-ones by the multi-component reaction of 2,4′-dibromoacetophenone, pyridine,...
2016 / Javad Safaei-Ghomi, Pouria Babaei, Hossein Shahbazi-Alavi, Safura Zahedi -
Presence of Illicit Drugs in the Sarno River (Campania Region, Italy)2014 / Massimo Maddaloni, Sara Castiglioni, Ettore Zuccato, Flaminia Gay, Anna Capaldo, et al.