Chemical sciences topic list of research papers
-
Method development and validation for the high-performance liquid chromatography assay of gastrodin in water extracts from different sources of Gastrodia elata Blume
Abstract Gastrodia elata Blume is commonly used as a medical herb in China for ameliorating headaches, dizziness, and convulsions. In previous studies, water extracts of G. elata Bl. (WGE) have demonstrated potential to act as...
2015 / Wei-Cheng Chen, Yi-Syuan Lai, Kuan-Hung Lu, Shih-Hang Lin, Li-Yun Liao, et al. -
Evaluation of antibacterial activity and synergistic effect between antibiotic and the essential oils of some medicinal plants
Abstract Objective To demonstrate the in vitro antibacterial properties of five essential oils against ten bacterial strains and study the synergistic effect of the combination of essential oils with standard antibiotics. ...
2015 / Fadila Moussaoui, Tajelmolk Alaoui -
Fluorinated models of the iron-only hydrogenase: An electrochemical study of the influence of an electron-withdrawing bridge on the proton reduction overpotential and catalyst stability
Abstract Here we report the synthesis, electrochemistry and electrocatalytic activity of Fe2(CO)6(μ-SC6F5)2 (1) where the highly fluorinated bridge is electron-withdrawing, resulting in decreased electron-density at the iron–iron bond. Additionally...
2013 / Faith Ridley, Shishir Ghosh, Graeme Hogarth, Nathan Hollingsworth, Katherine B. Holt, et al. -
60MHz 1H NMR spectroscopy for the analysis of edible oils
Abstract We report the first results from a new 60MHz 1H nuclear magnetic resonance (NMR) bench-top spectrometer, Pulsar, in a study simulating the adulteration of olive oil with hazelnut oil. There were qualitative differences between spectra from...
2014 / T. Parker, E. Limer, A.D. Watson, M. Defernez, D. Williamson, et al. -
Exciton Dynamics in Hybrid Polymer/QD Blends
Abstract The prospect of exploiting quantum dots (QDs) properties (tunable absorption spectrum, multiple exciton generation) while maintaining the flexible structure of polymer systems opens new possibilities in the photovoltaic field. Although...
2014 / Annalisa Bruno, Tiziana Di Luccio, Carmela Borriello, Fulvia Villani, Saif Haque, et al. -
Evaluation of PEG and mPEG-co-(PGA-co-PDL) microparticles loaded with sodium diclofenac
Abstract The aim of this study was to synthesize and evaluate novel biodegradable polyesters namely; poly(ethylene glycol)-Poly(glycerol adipate-co-ω-pentadecalactone), PEG-PGA-co-PDL-PEG, and poly(ethylene glycol methyl ether)-Poly(glycerol...
2012 / Hesham M. Tawfeek -
Simultaneous quantification of Bi(III) and U(VI) in environmental water samples with a complicated matrix containing organic compounds2012 / Malgorzata Grabarczyk, Anna Koper
-
Determination of Zinc, Cadmium and Lead Bioavailability in Contaminated Soils at the Single-Cell Level by a Combination of Whole-Cell Biosensors and Flow Cytometry2015 / Quentin Hurdebise, Cédric Tarayre, Christophe Fischer, Gilles Colinet, Serge Hiligsmann, et al.
-
Visualization of anisotropic-isotropic phase transformation dynamics in battery electrode particles2016 / Jiajun Wang, Yu-chen Karen Chen-Wiegart, Christopher Eng, Qun Shen, Jun Wang
-
Conditional repair by locally switching the thermal healing capability of dynamic covalent polymers with light2016 / Anne Fuhrmann, Robert Göstl, Robert Wendt, Julia Kötteritzsch, Martin D. Hager, et al.
-
A quick assessment of the photocatalytic activity of TiO2 pigments — From lab to conservation studio!
Abstract Titanium dioxide is the most abundantly used white pigment of the 20th century. The pigment is still in use, both in the production of contemporary art and for the conservation of older artwork as a retouching pigment. Unfortunately, next...
2015 / B.A. van Driel, P.J. Kooyman, K.J. van den Berg, A. Schmidt-Ott, J. Dik -
Cardiac disorders and mode of action of the Egyptian scorpion venom Androctonus bicolor on isolated toad’s heart
Abstract Scorpion venom is a complex mixture of components with various pharmacological and toxicological effects. It is characterized by the presence of a large number of toxins that specifically interact with ion channels of excitable cells. The...
2015 / Mohamed A. Abdel-Rahman, Aya S. Ayed, Yousra Abdel-Mottaleb, Mohamed Alaa A. Omran, Zohour I. Nabil -
Exploring the effect of styrene and anhydride ratio on the coating properties of non-drying vegetable oil based alkyd resin
Abstract The synthesis of oxy-polymerizable alkyd from non-drying palm kernel oil was studied. Three alkyd resins of medium oil length were prepared using phthalic anhydride, maleic anhydride, and glycerol at stipulated ratios. The prepared alkyd...
2016 / C.F. Uzoh, N.J. Obodo, O.D. Onukwuli -
Label-Free Electrochemical DNA Biosensor for the Detection of Mycobacterium Tuberculosis Using Gold Electrode Modified by Self-Assembled Monolayer of Thiol
Abstract Tuberculosis (TB), an infectious disease affects millions of humans worldwide and is caused by the Mycobacterium tuberculosis. A label free electrochemical DNA biosensor for the detection of M. tuberculosis using gold electrode modified by...
2015 / Ratna Nurmalasari, Yohan, Shabarni Gaffar, Yeni W. Hartati -
The Olefin Reaction between Crude Palm Oil Fatty Acid Methyl Ester (CPO FAME) and Ethylene Using Grubbs II Catalyst
Abstract Renewable materials derived from vegetable oils are now widely developed for obtaining green polymers. One of the applications of those polymers is in the field of Enhanced Oil Recovery (EOR) where the polymers are put in the injection...
2015 / Desnelli, D. Mujahidin, Y. Permana, C.L. Radiman -
Phenolics extract of Tetrapleura tetraptera fruit inhibits xanthine oxidase and Fe2+-induced lipid peroxidation in the kidney, liver, and lungs tissues of rats in vitro
Abstract The phenolics composition and inhibitory activity of Tetrapleura tetraptera fruit extract on xanthine oxidase (XO) and Fe2+-induced lipid peroxidation in the kidney, liver and lungs tissues of rats were evaluated in vitro. Phenolics...
2015 / Emmanuel Anyachukwu Irondi, Ganiyu Oboh, Samson Olalekan Agboola, Aline Augusti Boligon, Margareth Linde Athayde -
Laser Doppler Electrophoresis applied to colloids and surfaces
Abstract The colloidal state is often taken for granted and yet it surrounds us in both home and in the workplace. Coating technologies, drug delivery systems, cleaning and personal care formulations all rely on discrete well controlled physical...
2015 / I.M. Tucker, J.C.W. Corbett, J. Fatkin, R.O. Jack, M. Kaszuba, et al. -
“Recovery and subsequent characterization of polyhydroxybutyrate from Rhodococcus equi cells grown on crude palm kernel oil”
Abstract The gram-positive bacterium Rhodococcus equi was isolated from fertile soil, and mineral salt media (MM) and trace elements were used to provide the necessary elements for its growth and PHB production in addition to using crude palm kernel ...
2015 / Nadia Altaee, Ayad Fahdil, Emad Yousif, kumar Sudesh -
Rules for biocatalyst and reaction engineering to implement effective, NAD(P)H-dependent, whole cell bioreductions
Abstract Access to chiral alcohols of high optical purity is today frequently provided by the enzymatic reduction of precursor ketones. However, bioreductions are complicated by the need for reducing equivalents in the form of NAD(P)H. The high...
2015 / Regina Kratzer, John M. Woodley, Bernd Nidetzky -
Porphyrins fused to N-heterocyclic carbene palladium complexes as tunable precatalysts in Mizoroki–Heck reactions: How the porphyrin can modulate the apparent catalytic activity?
Abstract Porphyrins fused to N-heterocyclic carbenes (NHCs) 1M, with inner metal M=Ni, Cu, Zn and H2, were used to synthesize palladium(II) complexes. These complexes behaved as precatalysts for high-temperature Mizoroki–Heck reactions between...
2015 / Jean-François Lefebvre, Jean-François Longevial, Karine Molvinger, Sébastien Clément, Sébastien Richeter