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321 results for “Synthesis”
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Research ArticleOpen accessIn the abstractAn Efficient Production of Oligosaccharides by a Reaction using Whole Mammalian Cells as BiocatalystsTomohisa Kato, Rie Mitsumori, Kenichi HatanakaProblem statement: Mammalian cells were used for the production of oligosaccharides by saccharide primer method. However, because cells in culture are used, productivity of oligosaccharides is low. Approach: In saccharide primer method employing cells under culture, glycosylation was performed only by mixing the collected cells in reaction mixtures. Saccharide primer, 12-azidododecyl β-lactoside that mimics lactosylceramide (LacCer), was incubated with various … …American Journal of Biochemistry and Biotechnology, Vol. 4, Issue 4 · 31 Dec 2008 · 6,439 accessesView PDFCite
Research ArticleOpen accessIn the abstractHydrophobic, Polar and Hydrogen Bonding Based Drug-Receptor Interaction of TetrahydroimidazobenzodiazepinonesV.K. Sahu, A.K.R. Khan, R.K. Singh, P.P. SinghAnti-HIV drug discovery has been increasingly focusing on HIV-1-RT (reverse transcriptase) as a potential therapeutic target. Tetrahydroimidazobenzodiazepinone (TIBO) belongs to non-nucleoside group of reverse transcriptase inhibitors (NNRTIs). A computational chemistry study has been performed on a series of tetrahydroimidazo-benzodiazepinones as HIV-1-NNRT inhibitors. Problem statement: In order to search out new drug of desired activity from the lead compounds, there was … …American Journal of Immunology, Vol. 4, Issue 3 · 30 Sep 2008 · 8,837 accessesView PDFCite
Research ArticleOpen accessIn the abstractConfigurable Multirate Filter BanksAli Al-HajMultimedia communications require efficient and real-time implementations of multirate digital signal processing systems. The backbone structures of multirate systems are digital multirate filter banks. Therefore, efficient multimedia communications rely, in the first place, on real-time implementations of multirate filter banks. In this paper, we describe a Field Programmable Gate Array (FPGA) implementation of the analysis and synthesis filter banks which … …American Journal of Applied Sciences, Vol. 5, Issue 7 · 31 Jul 2008 · 6,379 accessesView PDFCite
Research ArticleOpen accessIn the abstractHardware Implementation of Higher Throughput Anti-Collision Algorithm for Radio Frequency Identification SystemJahariah Sampe, Masuri OthmanThis paper presents a proposed hardware implementation of Higher Throughput Anti-Collision Algorithm (HTACA) for Radio Frequency Identification (RFID) system. Our proposed HTACA combines a pipeline and a deterministic anti-collision technique in order to enhance its performances. These downlink and uplink operations are concurrently executed during the identification process. The downlink operation is purposely pre-selected a group of tags base on … …American Journal of Engineering and Applied Sciences, Vol. 1, Issue 2 · 30 Jun 2008 · 7,443 accessesView PDFCite
Research ArticleOpen accessIn the abstractOptimization of Barbell Trajectory During The Snatch Lift Technique By Using Optimal Control TheoryShahram Lenjan Nejadian, Mostafa Rostami, Farzad TowhidkhahMathematical modeling and optimizing of snatch lift technique based on dynamic synthesis, is the aim of this study. The barbell trajectory is proposed as the performance index, evaluated experimentally by several researchers who have introduced some optimum trajectories according to the percentage of their owners' successes. Since none of the mechanical parameters were considered into the optimum trajectories, we develop … …American Journal of Applied Sciences, Vol. 5, Issue 5 · 31 May 2008 · 7,716 accessesView PDFCite
Research ArticleOpen accessIn the abstractA Novel Approach for Testing Stability of 1-D Recursive Digital Filters Based on Lagrange MultipliersK. R. Santhi, N. Gangatharan, M. PonnavaikkoDigital filters have found their way into many products from every day consumer items such as mobile phones to advanced maritime and military communications and avionics systems. Design of digital filters faces two fundamental problems, their stability and synthesis. Recursive filters have more stability problems than nonrecursive filters. Stability of a filter can be determined by the location of the … …American Journal of Applied Sciences, Vol. 5, Issue 5 · 31 May 2008 · 6,484 accessesView PDFCite
Research ArticleOpen accessIn the abstractEffect of Alloxan-Diabetes on Gastrin-Releasing Peptide (GRP) Immunoreactivity in the Gastrointestinal Tract, of Sprague Dawley Rats and How This May Affect Some of the Diabetic ComplicationsEdward O. Uche-Nwachi, Camille V. MitchellGastrin-releasing peptide (GRP) is the mammalian analogue of bombesin. Both neuroendocrine peptides have similar distribution, functions and immunoreactivity. The immunoreactivity for GRP has been demonstrated in the esophagus, stomach and small intestine. This peptide is reported to have various biological and pharmacological properties, which include the release of gastrointestinal hormones, control of satiety, gastrointestinal motility and stimulation of cellular proliferation … …OnLine Journal of Biological Sciences, Vol. 7, Issue 1 · 31 Dec 2007 · 7,250 accessesView PDFCite
Research ArticleOpen accessIn the abstractThe Influence Of Isomerised Plant Oils With High Content Of Conjugated Dienes Of Linoleic Acids c9,t11 And t10,c12 On The Fat Reduction In The Carcass And Meat of LambB. Patkowska-Sokola, R. Bodkowski, W. Walisiewicz-Niedbalska, S. ZielinskiAn influence of isomerised poppy seed oil on lamb body fat and fat content in meat, and also fatty acids content was determined in the research. As a result of poppy seed oil isomerisation, the synthesis of conjugated dienes of linoleic acid of trans-10, cis-12 and cis-9, trans-11 configuration in amounts 34.3% and 32.2%, respectively, occurred. The enrichment of feed … …American Journal of Agricultural and Biological Sciences, Vol. 2, Issue 4 · 31 Dec 2007 · 7,225 accessesView PDFCite
Research ArticleOpen accessIn the abstractCardiovascular Effect of Capparis spinosa Aqueous Extract. Part VI: in vitro Vasorelaxant EffectN. A. Zeggwagh, J. B. Michel, M. EddouksThe aim of this study was to investigate the in vitro vasorelaxanteffect of Capparis spinosa aqueous extract (CSAE) at a dose of 10 mg mL-1. Aortic rings isolated from normal wistar rats were used. The addition of CSAE during the plateau phase of contraction, induced by noradrenaline and KCl, produced a rapid relaxation. Incubation of aortic ring with CSAE during … …American Journal of Pharmacology and Toxicology, Vol. 2, Issue 3 · 30 Sep 2007 · 7,444 accessesView PDFCite
Research ArticleOpen accessIn the abstractDevelopment of Cell-Responsive Nanophase Hydroxyapatite for Tissue EngineeringR. Murugan, S. RamakrishnaScaffold plays a critical role in engineering bone tissues by providing necessary structural support for the cells to accommodate and guiding their growth in the three dimensional (3D) space. Therefore, designing scaffold that mimic composition and structural aspects of the bone is of great importance to promote cell adhesion, cell-matrix interactions, osteointegration, tissue formation and continued function. Nanophase hydroxyapatite (HA) … …American Journal of Biochemistry and Biotechnology, Vol. 3, Issue 3 · 30 Sep 2007 · 7,163 accessesView PDFCite