Chemical sciences topic list of research papers
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Electrochemical determination of Cu2+ complexation in the extract of E. crassipes by anodic stripping voltammetry
Abstract Chemical speciation of copper and its total dissolved concentration in the aqueous extract of Eichhornia crassipes (E. crassipes) were investigated by DPASV titration with Cu. Values of speciation parameters, ...
2013 / Wael H.M. Abdelraheem, Zanaty R. Komy, Nabawia M. Ismail -
Separating 2,3-butanediol from fermentation broth using n-butylaldehyde
Abstract In this paper, a complete separation process for 2,3-butanediol fermentation broth has been developed using reactive-extraction and reactive-distillation. n-Butylaldehyde can be used as both reactant and extractant in the process....
2013 / Yanjun Li, Yanyang Wu, Jiawen Zhu, Jiaxian Liu, Yaling Shen -
Pre-concentration of some heavy metal ions with AlO–HQ and AlO–PHQ and their studies by FTIR and spectroscopy
Abstract Immobilization of HQ and PHQ on the surface of alumina, Al2O3 (referred to it by AlO) as an application for cation exchange of Al(III) in solution, using them for the extraction of some heavy metal ions from their solutions and calculating...
2011 / Mostafa M. Kamal, Abd El-Aziz Y. El-Sayed, Seddique M. Ahmed, Ahmed A. Omran, Mohamed M. Shahata -
Predicting the Fate of Emerging Trace Organic Contaminants of Concern During MBR Treatment Based on Their Molecular Properties2012 / K.C. Wijekoon, L.D. Nghiem, F.I. Hai, J. Kang, W.E. Price
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De-hairing protease production by an isolated Bacillus cereus strain AT under solid-state fermentation using cow dung: Biosynthesis and properties
Abstract Agro-industrial residues and cow dung were used as the substrate for the production of alkaline protease by Bacillus cereus strain AT. The bacterial strain Bacillus cereus strain AT produced a high level of protease using cow dung substrate ...
2013 / Ponnuswamy Vijayaraghavan, Sophia Lazarus, Samuel Gnana Prakash Vincent -
Electrocatalytic oxidation of methanol and carbon monoxide at platinum in protic ionic liquids
Abstract Oxidation of H2O, CO and CH3OH was investigated at Pt as a function of temperature in the protic ionic liquid diethylmethylammonium trifluoromethanesulfonate. Trace H2O oxidation in the ionic liquid results in coverage of the Pt with...
2012 / Andinet Ejigu, Lee Johnson, Peter Licence, Darren A. Walsh -
Solvent free one-pot multi-component synthesis of 3,4-dihydropyrimidin-2(1H)-ones catalyzed by mesoporous NH4H2PO4/MCM-41 as an environmentally friendly, cheap, and effective catalyst
Abstract A green and efficient method is described for the solvent free synthesis of 3,4-dihydropyrimidin-2(1H)-ones through one-pot three-component condensation of ethyl acetoacetate, an aryl aldehyde, and urea using mesoporous MCM-41 supported...
2012 / R. Tayebee, M. Ghadamgahi -
Accelerating protein release from microparticles for regenerative medicine applications
Abstract There is a need to control the spatio-temporal release kinetics of growth factors in order to mitigate current usage of high doses. A novel delivery system, capable of providing both structural support and controlled release kinetics, has...
2013 / Lisa J. White, Giles T.S. Kirby, Helen C. Cox, Roozbeh Qodratnama, Omar Qutachi, et al. -
Synthesis and evaluation of a 125I-labeled iminodihydroquinoline-derived tracer for imaging of voltage-gated sodium channels
Abstract In vivo imaging of voltage-gated sodium channels (VGSCs) can potentially provide insights into the activation of neuronal pathways and aid the diagnosis of a number of neurological diseases. The iminodihydroquinoline WIN17317-3 is one of...
2013 / Carlos Pérez-Medina, Niral Patel, Mathew Robson, Mark F. Lythgoe, Erik Årstad -
Esterification and etherification of steroid and terpene under Mitsunobu conditions
Abstract The synthesis and study of steroids and terpenes continues to be a topic of widespread interest, the esterification and etherification under Mitsunobu conditions of primary alcohol such as geraniol prepared in 95% yield, and when a chiral...
2011 / Samia Guezane Lakoud, Abdelhafid Djerourou -
Using particle tracking to probe the local dynamics of barley β-glucan solutions
Abstract The sol-gel transition of barley isolated β-glucan solutions which undergo gelation with ageing has been studied by conventional bulk rheology, phase contrast microscopy and particle tracking microrheology. Also, characterization of primary ...
2012 / Thomas Moschakis, Athina Lazaridou, Costas G. Biliaderis -
Benzofurano-isatins: Search for antimicrobial agents
Abstract In an attempt to find a new class of antimicrobial agents, a series of novel N′-(5 or 7 substituted-2-oxoindolin-3-ylidene)benzofuran-2-carbohydrazides 3(a–p) were synthesized by reacting benzofuran-2-carbohydrazide 1 with 5 and 7...
2012 / Vinod Ugale, Harun Patel, Bijal Patel, Sanjay Bari -
Synthesis, in vitro antimicrobial, anticancer evaluation and QSAR studies of N′-(substituted)-4-(butan-2-lideneamino)benzohydrazides
Abstract A series of N′-(substituted)-4-(butan-2-ylideneamino)benzohydrazides (1–21) was synthesized and characterized by physicochemical as well as spectral means. The synthesized compounds were screened for their in vitro antimicrobial and...
2013 / Mahak Saini, Pradeep Kumar, Mahesh Kumar, Kalavathy Ramasamy, Vasudevan Mani, et al. -
Photocatalytic degradation of an organic pollutant by zinc oxide – solar process
Abstract The photocatalytic degradation of 4-nitrophenol over irradiated ZnO suspensions was investigated in aerated aqueous solution. Complete degradation was achieved after irradiation with solar light, being the reaction rate dependent on the...
2012 / D. Rajamanickam, M. Shanthi -
Synthesis and biological activities of some fused pyran derivatives
Abstract Ethyl benzoylacetate (1) reacted with 2-benzylidenemalanonitrile to afford the corresponding pyrane derivative (2). The latter compound reacted with 2-benzylidenemalanonitrile, carbon disulfide, formamide and benzylidene cyclohexanone,...
2011 / Wesam S. Shehab, Amira A. Ghoneim -
Quantitation of bivalirudin, a novel anticoagulant peptide, in human plasma by LC–MS/MS: Method development, validation and application to pharmacokinetics
Abstract A rapid and sensitive method based on liquid chromatography–tandem mass spectrometry (LC–MS/MS) for the determination of a novel anticoagulant peptide bivalirudin in human plasma has been developed and validated. Plasma samples were...
2012 / Xiao-Jiao Li, Yan-Tong Sun, Lei Yin, Xue-Ju Zhang, Yan Yang, et al. -
Temperature- and pressure-dependent stopped-flow kinetic studies of jack bean urease. Implications for the catalytic mechanism2012 / Barbara Krajewska, Rudi van Eldik, Małgorzata Brindell
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Magnesium Borohydride: From Hydrogen Storage to Magnesium Battery2012 / Rana Mohtadi, Masaki Matsui, Timothy S. Arthur, Son-Jong Hwang
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Coulomb explosion of diatomic molecules in intense XUV fields mapped by partial covariance2013 / O Kornilov, M Eckstein, M Rosenblatt, C P Schulz, K Motomura, et al.
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Sensitive spectrophotometric determination of metoclopramide hydrochloride in dosage forms and spiked human urine using vanillin
Abstract A new spectrophotometric method which is simple, sensitive, selective and rapid is described for the determination of metoclopramide hydrochloride (MCP) in bulk drug and in dosage forms using vanillin as the chromogenic agent. The method is ...
2011 / O. Zenita Devi, K. Basavaiah, K.B. Vinay, H.D. Revanasiddappa