Chemical sciences topic list of research papers
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Using high-performance 1H NMR (HP-qNMR®) for the certification of organic reference materials under accreditation guidelines—Describing the overall process with focus on homogeneity and stability assessment
Abstract Quantitative NMR spectroscopy (qNMR) is gaining interest across both analytical and industrial research applications and has become an essential tool for the content assignment and quantitative determination of impurities. ...
2013 / Michael Weber, Christine Hellriegel, Alexander Rueck, Juerg Wuethrich, Peter Jenks -
Convenient synthesis of azolopyrimidine, azolotriazine, azinobenzimidazole and 1,3,4-thiadiazole derivatives
Abstract Several pyrazolo[1,5-a]pyrimidine, triazolo[1,5-a]pyrimidine, pyrido[1,2-a]-benzimidazole, pyrimido[1,2-a]benzimidazole, pyrazolo[5,1-c]triazine, triazolo[5,1-c]-triazine, triazino[4,3-a]benzimidazole and 1,3,4-thiadiazole derivatives were...
2013 / Kamal M. Dawood, Salwa M. Moghazy, Ahmad M. Farag -
Preparation of Silver Powder used for Solar Cell Paste by Reduction Process
Abstract The preparation of fine silver particles is getting great attention due to their applications in electrical fields such as the fabrication of conductive pastes used in solar cell metallization. This study deals with the preparation of...
2013 / N. Moudir, Y. Boukennous, N. Moulaï-Mostefa, I. Bozetine, M. Maoudj, et al. -
Der Einfluss der Stundenlänge (45 vs. 60 Minuten) auf ausgewählte Aspekte der Unterrichtsqualität im Physikunterricht am Gymnasium
Kurzfassung Obwohl bislang kaum Untersuchungen zur optimalen zeitlichen Strukturierung von Unterricht vorliegen, verlängern einige Schulen in Deutschland zurzeit die Schulstundenlänge auf 60 (auch 65 oder 67,5 usw.) Minuten. Die vorliegende...
2016 / R. Wackermann, J. Hater -
Synthesis and photophysical properties of aluminium tris-(4-morpholine-8-hydroxyquinoline)
Abstract Aluminium tris(4-morpholinyl-8-hydroxyquinoline) has been synthesized and characterized. The photoluminescence measurements showed that the new derivative is blue shifted and has relative photoluminescence quantum yield two times higher...
2012 / Walaa A.E. Omar -
Nephroprotective activity of Solanum xanthocarpum fruit extract against gentamicin–induced nephrotoxicity and renal dysfunction in experimental rodents
Abstract Objective To evaluate nephroprotective potential of Solanum xanthocarpum (S. xanthocarpum) fruit extract(SXE) against gentamicin (GM) induced nephrotoxicity and renal dysfunction. ...
2012 / Talib Hussain, Ramesh K Gupta, K Sweety, Bavani Eswaran, M Vijayakumar, et al. -
Water molecules insert into N—H...Cl— M hydrogen bonds while M —Cl... X —C halogen bonds remain intact in dihydrates of halopyridinium hexachloroplatinates2004 / Fiorenzo Zordan, Lee Brammer
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Sorption studies of heavy metal ions by salicylic acid–formaldehyde–catechol terpolymeric resin: Isotherm, kinetic and thermodynamics
Abstract Terpolymeric resin has been synthesized by condensing salicylic acid with catechol employing formaldehyde as a cross linking agent at 80±5°C using DMF as a solvent. The resin was characterized by elemental analysis, FTIR, XRD and thermal...
2013 / Riddhish R. Bhatt, Bhavna A. Shah -
A summary of the papers in this month's issue.2004 /
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Iron(II) Complexes Containing Unsymmetrical P–N–P′ Pincer Ligands for the Catalytic Asymmetric Hydrogenation of Ketones and Imines2014 / Paraskevi O. Lagaditis, Peter E. Sues, Jessica F. Sonnenberg, Kai Yang Wan, Alan J. Lough, et al.
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Integrated basic treatment of activated carbon for enhanced CO2 selectivity
Abstract We attempted the use of three chemical agents viz nitric acid (HN), calcium nitrate (CaN) and calcium ethanoate (CaEt) to achieve enhanced CO2 selective adsorption by activated carbon (AC). In dry phase treatment, microporous coconut...
2013 / Adedeji Adebukola Adelodun, Young-Min Jo -
Separation of cottonseed oil from oil–water emulsions using electrocoagulation technique
Abstract The removal of cottonseed oil from oil–water emulsion by means of electrocoagulation was investigated in a cylindrical batch reactor. The effects of operating parameters such as, current density, initial oil concentration, pH and NaCl...
2013 / Y.O. Fouad -
Experimental model of anal fistula in rats
Abstract Introduction the management of anal fistula remains debatable. The lack of a standard treat- ment free of complications stimulates the development of new options. Objective ...
2013 / Mariana Sousa Arakaki, Carlos Henrique Marques dos Santos, Gustavo Ribeiro Falcão, Pedro Carvalho Cassino, Ricardo Kenithi Nakamura, et al. -
Differential Influence of Anticancer Treatments and Angiogenesis on the Seric Titer of Autoantibody Used as Tumor and Metastasis Biomarker
Abstract Early detection of tumor-specific autoantibodies (auto-Abs) has the potential to be used for cancer screening and diagnosis. Whether auto-Ab may be useful to track metastatic progression or response to treatment is, however, largely...
2015 / Florence Defresne, Caroline Bouzin, Céline Guilbaud, Marc Dieu, Edouard Delaive, et al. -
Integration of independent component analysis with near-infrared spectroscopy for analysis of bioactive components in the medicinal plant Gentiana scabra Bunge
Abstract Independent component (IC) analysis was applied to near-infrared spectroscopy for analysis of gentiopicroside and swertiamarin; the two bioactive components of Gentiana scabra Bunge. ICs that are highly correlated with the two bioactive...
2014 / Yung-Kun Chuang, I-Chang Yang, Yangming Martin Lo, Chao-Yin Tsai, Suming Chen -
Assessment of the Halal Status of Respiratory Pharmaceutical Products in a Hospital
Abstract Respiratory pharmaceutical products are among the most commonly used products in the hospital setting. However the halal status of these products is unknown and has never been investigated before. The objective of this study is to assess...
2014 / Noorizan Abd. Aziz, Hani Majdina, Yahaya Hassan, Hanis Hanum Zulkifly, Mohd Shahezwan Abd Wahab, et al. -
The development of N-aryl trifluoroacetimidate-based benzyl and allyl protecting group reagents
Abstract An exploration of the role of para-substituents on the balance between stability and reactivity of N-phenyl trifluoroacetimidates prompted the discovery of new reagents for the addition of allyl and benzyl protecting groups, namely O-allyl...
2013 / Sinele B. Tsabedze, Daniel E.K. Kabotso, Nicola L.B. Pohl -
Comparison between fixed and fluidized bed cathodes and effect of supporting electrolyte in electrochemical removal of copper ion from dilute solutions
Abstract Comparison between fixed and fluidized bed cathodes was experimentally investigated in a circulated-batch system. The cell was made of a Perspex column of cylindrical shape; the inside diameter and the height were 10 and 70cm, respectively. ...
2014 / I.A. Khattab, M.F. Shaffei, N.A. Shaaban, H.S. Hussein, S.S. Abd El-Rehim -
Purification and immunomodulating activity of C-phycocyanin from Spirulina platensis cultured using power plant flue gas
Abstract In this study, flue gas from a power plant smokestack was applied to culture Spirulina platensis microalgae. Our results will not only achieve the fixation of carbon from the emissions, products can also be produced from the algal biomass...
2014 / Hsiao-Wei Chen, Tsung-Shi Yang, Mao-Jing Chen, Yu-Ching Chang, Eugene I.-Chen Wang, et al. -
Fluorogenic Probes with Substitutions at the 2 and 7 Positions of Cephalosporin are Highly BlaC-Specific for Rapid Mycobacterium tuberculosis Detection2014 / Yunfeng Cheng, Hexin Xie, Preeti Sule, Hany Hassounah, Edward A. Graviss, et al.