Chemical sciences topic list of research papers
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Galactomannan gum coated mucoadhesive microspheres of glipizide for treatment of type 2 diabetes mellitus: In vitro and in vivo evaluation
Abstract Type 2 diabetes mellitus is a heterogeneous disease of polygenic origin and involves both defective insulin secretion and peripheral insulin resistance. Studies have shown that post-meal hyperglycemic spikes are associated with increased...
2011 / Punam Gaba, Sarbjot Singh, Monika Gaba, G.D. Gupta -
Synthesis, characterization, and antimicrobial evaluation of carbostyril derivatives of 1H-pyrazole
Abstract A new series of 12 derivatives of 4-pyrazolyl-N-arylquinoline-2,5-dione (4a–l) were synthesized by one pot base catalyzed cyclocondensation reaction of 1-aryl-5-chloro-3-methyl-1H-pyrazole-4-carbaldehyde (1a–c), Meldrum’s acid (2) and...
2011 / Nilesh J. Thumar, Manish P. Patel -
Capillary electrophoresis as a screening tool for alpha amylase inhibitors in plant extracts
Abstract Capillary electrophoresis (CE) method was developed for screening plant extract for potential alpha amylase (AA) inhibitory activity. The method was validated against a well established UV method. Overall, the proposed method was shown able ...
2011 / Imad I. Hamdan, Fatima U. Afifi -
Oxidative coupling for the spectrophotometric determination of certain cephalosporins and acetaminophen in drug formulations
Abstract A spectrophotometric method for the determination of some cephalosporins and acetaminophen is described. The method is based on the hydrolysis of the cephalosporin in sodium hydroxide solution to produce the sulphide ion and the conversion...
2010 / Zeid A. ALOthman, Mohamed A. Abdalla -
ZnO Nanopowder: An Efficient Catalyst for the Preparation of 2,4,6-Triaryl Pyridines under Solvent-Free Condition
Abstract ZnO nanopowder has been applied for the efficient synthesis of substituted 2,4,6-triaryl pyridines through the reaction of acetophenones, benzaldehydes and ammonium acetate in good to excellent yields. The net result is a powerful strategy...
2012 / Mohammad Reza, Mohammad Shafiee, Raheleh Moloudi, Majid Ghashang -
CO2 Selective Potentiometric Sensor in Thick-film Technology2008 / Kathy Sahner, Anne Schulz, Jaroslaw Kita, Rotraut Merkle, Joachim Maier, et al.
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Molecular decoding using luminescence from an entangled porous framework2011 / Yohei Takashima, Virginia Martínez Martínez, Shuhei Furukawa, Mio Kondo, Satoru Shimomura, et al.
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Preparation of Octadecyl and Amino Mixed Group Modified Titanate Nanotubes and Its Efficient Adsorption to Several Ionic or Ionizable Organic Analytes2009 / Hongyun Niu, Yaqi Cai
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Two stage fluid bed-plasma gasification process for solid waste valorisation: Technical review and preliminary thermodynamic modelling of sulphur emissions
Abstract Gasification of solid waste for energy has significant potential given an abundant feed supply and strong policy drivers. Nonetheless, significant ambiguities in the knowledge base are apparent. Consequently this study investigates sulphur...
2011 / Shane Morrin, Paola Lettieri, Chris Chapman, Luca Mazzei -
Pd(II) complexes bearing chromone based Schiff bases: Synthesis, characterisation and biological activity studies
Abstract Pd(II) complexes of 3-formyl chromone Schiff bases such as 3-((2-hydroxyphenylimino) methyl)-4H-chromen-4-one (HL1), 2-((4-oxo-4H-chromen-3-yl)methylneamino)benzoic acid (HL2), 3-((3-hydroxypyridin-2-ylimino)methyl)-4H-chromen-4-one (HL3),...
2013 / P. Kavitha, K. Laxma Reddy -
Palyosulfonoceramides A and B: Unique Sulfonylated Ceramides from the Brazilian Zoanthids Palythoa caribaeorum and Protopalyhtoa variabilis2012 / Jose Almeida, Ana Maia, Diego Wilke, Edilberto Silveira, Raimundo Braz-Filho, et al.
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Interactions H.I.F.U. / polymer films
Abstract In order to obtain the modification of a defined volume of a polymer layer, preliminary tests of sonication (HIFU 0.75 and 3 MHz) were carried out to obtain an accurate characterization of the acoustic fields as well as convective flow...
2010 / L. Hallez, F. Touyeras, J.-Y. Hihn, Y. Bailly -
Understanding Pore Formation in Laser Beam Welding
Abstract The mechanisms leading to process pores in deep penetration laser beam welding are discussed in this paper. Process pores were observed since the beginning of laser welding. Although there are differences in the number, size and location of ...
2011 / Peter Berger, Helmut Hügel, Thomas Graf -
Application of heated date seeds as a novel extractant for diuron from water
Abstract Diuron has a high leachability with GUS value of 4.1 and a very long residence time in the soil. A novel use of date seeds for diuron adsorption and preconcentration from water is reported. Upon heating at 400°C, the date seeds exhibited a...
2011 / Yahya S. Al-Degs, Amjad H. El-Sheikh, Saed T. Jaber -
Corrosion inhibition of aluminum in 1M H3PO4 solutions by ethanolamines
Abstract The inhibitive effect of the investigated compounds (ethanolamine (I), diethanolamine (II) and triethanolamine (III)) on the corrosion behavior of aluminum in 1M H3PO4 solution using weight loss, galvanostatic polarization and quantum...
2010 / A.S. Fouda, M. Abdallah, I.S. Ahmed, M. Eissa -
Essential oil of Salvia aucheri mesatlantica as a green inhibitor for the corrosion of steel in 0.5M H2SO4
Abstract Essential oil of aerial parts of Salvia aucheri Boiss. var. mesatlantica was obtained by hydrodistillation and analyzed by GC and GC/MS. The oil was predominated by camphor (49.59%). The inhibitory effect of this essential oil was estimated ...
2010 / M. Znini, L. Majidi, A. Bouyanzer, J. Paolini, J.-M. Desjobert, et al. -
Kinetics and mechanism of the formation and oxidation of iminodiacetato–chromium(III) complex
Abstract The kinetics of formation of chromium(III)–iminodiacetic acid complex have been studied spectrophotometrically in the temperature range 35–55°C. The reaction is first order with respect to chromium(III) and the rate of reaction increases...
2009 / Hassan A. Ewais, Mohamed K. Ismael, Ahmed A. Abdel-Khalek -
Multiresidue Determination of Sarafloxacin, Difloxacin, Norfloxacin, and Pefloxacin in Fish using an Enzyme-Linked Immunosorbent Assay
Abstract An indirect competitive ELISA (icELISA) method for multiresidue determination of Fluoroquinolones (FQs) residues in fish samples has been developed. For this purpose, Sarafloxacin (SAR) was employed to synthesize the immunogen and coating...
2011 / Jiang Jinqing, Zhang Haitang, Wang Ziliang -
Synthesis and Reactions of Some New Heterocyclic Carbohydrazides and Related Compounds as Potential Anticancer Agents2008 / Abdel Kader Mansour, Mohga M. Eid, Nasser S. A. M. Khalil
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CoMo/ZrO2 Hydrodesulfurization Catalysts Prepared by Chelating Agent Assisted Spreading
Abstract The Mo/ZrO2 and CoMo/ZrO2 catalysts were prepared by impregnation of the monoclinic ZrO2 by the chelating agent nitrilotriacetic acid (NTA) assisted spreading of MoO3 with CoCO3, or (NH4)6Mo7O24.4H2O with Co(NO3)2.6H2O. The catalysts were...
2012 / L. Kaluž, M. Zdražil, Z. Vít, D. Gulková