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37 results for “ethylene”
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Research ArticleOpen accessIn the abstractCorrosion of Copper Metal in Presence of Binary MixturesMedhat A. Shaker, Hanaa H. Abdel-RahmanThe rates of copper corrosion were determined in presence and in absence of different compositions of water-ethanol, -ethylene glycol, -glycerol, -dimethyl sulfoxide (DMSO) and -dioxane binary mixtures. The rates of corrosion were found to decrease by increasing the concentration of solvents. The percent inhibition range from 10.9 to 78.2% depends on the nature of solvent and its concentration. The calculated … …American Journal of Applied Sciences, Vol. 4, Issue 8 · 31 Aug 2007 · 8,230 accessesView PDFCite
Research ArticleOpen accessIn the abstractThe Study of Morphological Structure, Phase Structure and Molecular Structure of Collagen-PEO 600K Blends for Tissue Engineering ApplicationN. F. Mohd Nasir, M. G. Raha, N. A. Kadri et al.A new material which is collagen/ poly (ethylene oxide) (PEO) blend was developed to determine its possibility as a promising material for tissue scaffold. PEO with average molecular weight of 600,000 and collagen originated from calf skin were dispersed in 0.1 M acetic acid to prepare a concentration of 1 wt% for PEO and 0.15 wt% for collagen. The collagen-PEO600K … …American Journal of Biochemistry and Biotechnology, Vol. 2, Issue 4 · 31 Dec 2006 · 7,422 accessesView PDFCite
Research ArticleOpen accessIn the abstractCharacterization of Crude Polyphenol Oxidase Activity in Buckwheat SproutsYuedong Song, Yangfang Zhang, Yilin Wang et al.Buckwheat sprouts can not only effectively reduce the trypsin inhibitor in buckwheat grain, but also improve the content of bioactive ingredients such as flavonoids and other effective components. However, Polyphenol Oxidase (PPO) in buckwheat sprouts causes browning of food, which limits the application of buckwheat sprouts in food. In addressing this problem, studying the characteristics of PPO in buckwheat sprouts … …American Journal of Biochemistry and Biotechnology, Vol. 17, Issue 2 · 25 Jun 2021 · 6,486 accessesView PDFCite
Research ArticleOpen accessIn the abstractInhibition of Panton-Valentine Leukocidin Toxin Induced Neutrophil Cell Lysis by Vancoplus in Methicillin-Resistant Staphylococcus Aureus InfectionsManu Chaudhary, Santosh Kumar Patnaik, Anurag PayasiPantone Valentine Leukocidin (PVL) is a cytotoxin associated with virulence of Methicillin-Resistant Staphylococcus aureus (MRSA). This study was undertaken to analyze the prevalence of PVL among MRSA strains and to study the effect of adjuvants (L-lysine, L-arginine, Ethylenediamine Tetraacetic Acid (EDTA) as well as drugs on PVL induced neutrophil cell lysis. Further, in vitro activity of Vancoplus, vancomycin, linezolid, teicoplanin … …American Journal of Infectious Diseases, Vol. 10, Issue 4 · 20 Dec 2014 · 7,106 accessesView PDFCite
Research ArticleOpen accessIn the abstractStudy on Salivary Glands α-amylase In Wheat Bug Eurygaster maura (Hemiptera: Scutelleridae)Mohammad Mehrabadi, Ali R. Bandaniα-amylase activity in the salivary glands of Eurygaster maura was determined by biochemical experiments. Some of adult insect was collected and their salivary glands isolated and characterized. Enzyme samples from salivary glands of adults were prepared by the method of Cohen with slight modifications. α-Amylase activity was assayed based on Bernfeld method by the dinitrosalicylic acid (DNS) procedure. The activity … …American Journal of Applied Sciences, Vol. 6, Issue 4 · 30 Apr 2009 · 7,643 accessesView PDFCite
Research ArticleOpen accessIn the abstractAssessing of α-Amylase Activity of Midgut in Wheat Bug Eurygaster mauraMohammad Mehrabadi, Ali R. BandaniTo determine of α-amylase activity in the midgut of Eurygaster maura, some of adult insect was collected and their gut isolated and characterized. Enzyme samples from midguts of adults were prepared by the method of Cohen with slight modifications. α-Amylase activity was assayed based on Bernfeld method by the dinitrosalicylic acid (DNS) procedure. The activity of α-amylase in midgut was … …American Journal of Applied Sciences, Vol. 6, Issue 3 · 31 Mar 2009 · 7,625 accessesView PDFCite
Research ArticleOpen accessIn the abstractTransition Metal Complexes of Derivatized Chiral Dihydro-1,2,4-triazin-6-ones. Template Synthesis of Nickel(II) Tetraaza-(4N-M) Complexes Incorporating the Triazinone MoietyAhmad S. Abushamleh, Marwa M. Al-Aqarbeh, Vector DayTemplate reactions of (L)-3-acetyl-5-methyl-1-phenyl-4,5-dihydro-1,2,4-triazine-6- one (8a) or (L)-3-acetyl-5-benzyl-1-phenyl-4,5-dihydro-1,2,4-triazine-6-one (8b) with nickel(II) acetate in the presence of a suitable diamine such as: 1,3-diaminopropane, o-phenylenediamine, or ethylenediamine afforded square planar tetraaza nickel(II) complexes of the type 4N-M (Scheme 4). Single crystal X-ray structural analysis of one of the complexes (9b) revealed square planar geometry around the nickel ion and symmetrical coordination of … …American Journal of Applied Sciences, Vol. 5, Issue 6 · 30 Jun 2008 · 7,368 accessesView PDFCite