Chemical sciences topic list of research papers
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Assessment of the pharmaceutical quality of marketed enteric coated pantoprazole sodium sesquihydrate products
Abstract Pantoprazole sodium sesquihydrate (PSS) is a proton pump inhibitor, used in acid-related disorders, like peptic ulcer and gastroesophageal reflux. Increasing the number of pantoprazole containing products in the market, raises questions of...
2011 / Haitham F. Mostafa, Mohamed A. Ibrahim, Gamal M. Mahrous, Adel Sakr -
Nicousamide, a potent inhibitor of phosphorylation by TGF-β receptor II
Abstract Renal fibrogenesis is related to the development of diabetic nephropathy. TGF-β receptor II (TGF-β RII) plays a vital role during renal fibrogenesis by phosphorylation and activation of type I receptors and downstream regulators....
2011 / Hai-jing Zhang, Jing Jin, Wan-qi Zhou, Yi Zhang, Yan Li, et al. -
A new norlignan lignanoside from Selaginella moellendorffii Hieron
Abstract This study reports an investigation into the chemical constituents of the whole plant of Selaginella moellendorffii Hieron. Ten compounds, isolated and purified by column chromatography, were identified on the basis of spectral analysis and ...
2011 / Wei-sheng Feng, Ke-ke Li, Xiao-ke Zheng -
Formulation and evaluation of a bioadhesive patch for buccal delivery of tizanidine
Abstract Tizanidine hydrochloride (THCl) is an antispasmodic agent which undergoes extensive first pass metabolism making it a possible candidate for buccal delivery. The aim of this study was to prepare a monolayered buccal patch containing THCl...
2012 / Mohamed S. Pendekal, Pramod K. Tegginamat -
Fluorimetric analysis of paeonol in Chinese herbal medicine Cynanchi Paniculati Radix by aluminum ion-sensitized fluorescence
Abstract A novel fluorimetric method for determination of paeonol, an active component of Chinese herbal medicine, is proposed. The method is based on the reaction of paeonol with aluminum ion in pH 4.4 HAc-NaAc buffer to form a fluorescent...
2012 / Fei Yang, Cuige Liu, Yongju Wei -
The effect of ionic strength on the extraction of thorium(IV) from perchlorate solution by didodecylphosphoric acid (HDDPA)
Abstract Extraction of Th(IV) ion from perchlorate media at high ionic strength (I =1.00, 3.00 and 5.00M) using didodecylphosphoric acid was studied. The effect of HDDPA concentration, ionic strength, pcH and temperature on the...
2010 / M.A. Bayyari, M.K. Nazal, F.I. Khalili -
Genetic variations in horse using microsatellite markers
Abstract Genetic variations has been analyzed using five microsatellite markers (AHT4, HTG10, ABS2, ABS23 and CA245) in three horse breeds in Egypt (Arabian, Thoroughbred and Egyptian Native). All the microsatellites typed in this study can be...
2011 / Karima F. Mahrous, M. Hassanane, M. Abdel Mordy, Heba I. Shafey, Nagwa Hassan -
Observation of NMR noise from solid samples
Abstract We demonstrate that proton NMR noise signals, i.e. NMR spectra without excitation by radio frequency, can be obtained from solid samples. Experimental results are shown for static and magic-angle spinning conditions. In addition, a tuning...
2010 / Judith Schlagnitweit, Jean-Nicolas Dumez, Martin Nausner, Alexej Jerschow, Bénédicte Elena-Herrmann, et al. -
Primary Role of the Chromophore Bond Length Alternation in Reversible Photoconversion of Red Fluorescence Proteins2012 / Mikhail Drobizhev, Thomas E. Hughes, Yuriy Stepanenko, Pawel Wnuk, Kieran O'Donnell, et al.
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Plasma State of Pulse Reactive Magnetron Sputtering ZnO: Al Thin Films
Abstract Sputtering plasma state intensely depends on the variation of deposition parameters. It results in different properties of sputtering thin films finally. Here, we use reactive sputter gas controller (Lambda sensor) to control oxygen partial ...
2012 / L.N. Li, Y. Zhao, X.L. Chen, Q. Huang, Y.F. Wang, et al. -
Enantiomeric separation of a melatonin agonist Ramelteon using amylose-based chiral stationary phase
Abstract A new simple isocratic chiral liquid chromatographic method was developed for the enantiomeric purity of Ramelteon[(S)-N-[2-(1,6,7,8-tetrahydro-2H-indeno[5,4-b]furan-8-yl) ethyl]-propionamide], a melatonin agonist in bulk drugs. The...
2010 / Sachin D. Patil, Nandkumar Khandekar, Gajanan B. Kasawar, K.A. Shaikh -
Isothermal decomposition of γ-irradiated indium acetate
Abstract The isothermal decomposition of un-irradiated (pristine) and pre-γ-irradiated indium acetate was studied in the temperature range (298–1273K) and in air using isothermal thermogravimetric technique. The data were analyzed using various...
2009 / Saud I. Al-Resayes -
Phytoconstituents from the rhizomes of Curcuma aromatica Salisb.
Abstract Phytochemical investigation of the chloroform extract of the rhizomes of Curcuma aromatica Salisb. (Zingiberaceae) yielded three new phytoconstituents characterized as n-heneitriacontan-14-one; n-pentatriacontan-5-one;...
2010 / Shamim Ahmad, Mohammed Ali, Shahid H. Ansari, Faheem Ahmed -
QSAR based modeling on a series of α-hydroxy amides as a novel class of bradykinin B1 selective antagonists
Abstract G-protein coupled receptors like Bradykinin (BK) B1 represent a potential treatment route for chronic pain and inflammation. Quantitative structure activity relationship has been performed on a series of α-hydroxy amides as a novel class of ...
2010 / A.K. Srivastava, Neerja Shukla, Avni Pandey, Akanchha Srivastava -
Dynamics of molecular reorientations: direct determination of rotational angles from two-dimensional NMR of powders
Abstract Two-dimensional solid-state deuteron NMR spectroscopy has been applied to study rotational motions in powders. In general, tensorial interactions give rise to powder patterns producing 2D exchange signals with characteristic ridges which...
2002 / C. Schmidt, S. Wefing, B. Blümich, H.W. Spiess -
Combinatorial Chemistry Online2009 / N.K. Terrett
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Effect of Sulphate(VI) Ions on CSD of Struvite–Neural Network Model of Continuous Reaction Crystallization Process in a DT MSMPR Crystallizer
Abstract Complex effect of sulphate(VI) ions on the continuous struvite (MgNH4PO4 6H2O, MAP) reaction crystallization process kinetics in DT MSMPR crystallizer and its final results was modeled numerically using artificial neural networks. Network...
2012 / K. Piotrowski, N. Hutnik, A. Matynia -
Combinatorial Chemistry Online2006 / N.K. Terrett
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Sporiolides A and B, New Cytotoxic Twelve-Membered Macrolides from a Marine-Derived Fungus Cladosporium Species2008 / Hideyuki Shigemori, Yuu Kasai, Kazusei Komatsu, Masashi Tsuda, Yuzuru Mikami, et al.
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Amperometric Sensor for Tetracycline Determination Based on Molecularly Imprinted Technique
Abstract Tetracycline (TC), a widely used broad spectrum antibiotic, is excreted to environment seriously. Because of its harmful effects, it is essential to establish an effective method for TC determintation. In this work, we fabricated an...
2013 / Huimin Zhao, Hongtao Wang, Xie Quan, Feng Tan