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876 articles for “acid”
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Research ArticleOpen accessIn the abstractBioinhbition of Diarrhogenic Gram-negative Bacteria using the Tukey-HSD TestAdenike A.O. Ogunshe, J.O. OlaomiA variety of probiotics show promise as effective therapies in the control of diarrhoea, however, diets and geographical locations affect probiotic therapy. In this pilot study, four indigenous probiotic candidates, Lactobacillus acidophilus AAOOL4, L. reuteri AAOOCH1, L. plantarum AAOO25NN and L. delbrueckii AAOOT20 were investigated for their in vitro bactericidal effects on bacterial pathogens implicated in infantile diarrhoea using the … …American Journal of Infectious Diseases, Vol. 4, Issue 2 · 30 Jun 2008 · 7,211 accessesView PDFCite
Research ArticleOpen accessIn the abstractC-Terminal Region of Dengue Virus Nonstructural Protein 1 Is Involved in Endothelial Cell Cross-Reactivity via Molecular MimicryShu-Wen Wan, Chiou-Feng Lin, Mei-Chun Chen et al.Infection with dengue virus (DV) causes diseases ranging from self-limited dengue fever to life-threatening dengue hemorrhagic fever and dengue shock syndrome. Vascular leakage, thrombocytopenia and bleeding are the clinical manifestations associated with dengue hemorrhage. We previously showed that anti-DV nonstructural protein 1 (NS1) antibodies (Abs) cross-reacted with endothelial cells. The potential target proteins on endothelial cell surface recognized by anti-DV … …American Journal of Infectious Diseases, Vol. 4, Issue 1 · 31 Mar 2008 · 7,560 accessesView PDFCite
Research ArticleOpen accessIn the abstractUptake and Translocation of Manganese by Native Tree Species in a Constructed Wetland Treating Landfill LeachatesA. Snow, A.E. GhalyA surface flow constructed wetland was used to treat stormwater runoff from surrounding watersheds which are comprised primarily of commercial properties and two former landfills. The uptake of manganese by red maple, white birch and red spruce trees growing under flooded soil conditions in the constructed wetland was compared to that of the same trees growing under well drained soil … …OnLine Journal of Biological Sciences, Vol. 7, Issue 1 · 31 Dec 2007 · 7,505 accessesView PDFCite
Research ArticleOpen accessIn the abstractStudies On Bioemulsifier Production by Bacillus licheniformis PTCC 1595Gholamreza D. Noudeh, Mohammad H. Moshafi, Payam Khazaeli, Farideh AkefSurfactants are amphipathic molecules which reduce surface and interfacial tensions and widely used in pharmaceutical, cosmetic, food and petroleum industries. Biosurfactants are the structurally diverse group of surface-active molecules synthesized by microorganisms. There are several advantages for biosurfactants in contrast with chemical surfactants, such as lower toxicity; higher biodegradability; better environmental compatibility; higher foaming; high selectivity and specific activity at … …American Journal of Pharmacology and Toxicology, Vol. 2, Issue 4 · 31 Dec 2007 · 7,282 accessesView PDFCite
Research ArticleOpen accessIn the abstractRemoval of Dye from Textile Wastewater Using Plant Oils Under Different pH and Temperature ConditionsA.S. Mahmoud, Abdel E. Ghaly, M.S. BrooksThe effectiveness of five plant oils (cottonseed, olive, canola sunflower and used cooking oil) for the removal of dye from textile wastewater was evaluated. The study revealed that the dye removal efficiency increased as the temperature was increased. Under low pH, both the oil and dye split into two components each. Neither one of the oil components joined with either … …American Journal of Environmental Sciences, Vol. 3, Issue 4 · 31 Dec 2007 · 8,351 accessesView PDFCite
Research ArticleOpen accessIn the abstractRemoval of Pb+2 Ions from Aqueous Solutions by Adsorption on Kaolinite ClayWaid Omar, Hossam Al-ItawiThe adsorption potential of the kaolinite clay for the removal of lead ions from aqueous solutions was tested. The measured adsorption isotherms at the different temperatures 298.15 K, 308.15 K and 318.15 K were found to be perfectly fit to the Langmuir isotherm equation. A high adsorption capacity was calculated. An increase in the retention capacity with increasing temperature was … …American Journal of Applied Sciences, Vol. 4, Issue 7 · 31 Jul 2007 · 7,792 accessesView PDFCite
Research ArticleOpen accessIn the abstractPrediction of a Putative Functional Region in the Human Bax Protein by Computational AnalysisMaría Sánchez-Aguilar, Laurence A. Marchat, Absalom ZamoranoStructural domains are relevant elements for interactions between Bcl-2 family members to regulate apoptosis and cell survival. Although BH1-BH4 domains can be identified by their sequence and selective occurrence in Bcl-2-family members, structural regions have not been entirely determined yet. The functional residues of Bax, the most representative pro-apoptotic protein of the human Bcl-2 family, remain almost unknown. Here, we … …American Journal of Infectious Diseases, Vol. 3, Issue 2 · 30 Jun 2007 · 7,230 accessesView PDFCite
Research ArticleOpen accessIn the abstractInfluence of Temperature and pH on the Stability and Colorimetric Measurement of Textile DyesA.S. Mahmoud, A.E. Ghaly, S.L. BrooksMost of the textile dye removal techniques operate within temperature and pH ranges of 20-60°C and 2-12, respectively. Both the pH and temperature have been reported to have significant effects on the efficiencies of the dye removal techniques. In this study, the effects of pH and temperature on the stability and color measurement (absorbance) of the textile dye remazol brilliant … …American Journal of Biochemistry and Biotechnology, Vol. 3, Issue 1 · 31 Mar 2007 · 10,741 accessesView PDFCite
Research ArticleOpen accessIn the abstractMolecular Characterization of Soybean Mosaic Virus NIa Protein and its Processing Event in Bacterial ExpressionBong K. Choi, Jae S. Park, Hye J. Ahn et al.Soybean mosaic virus (SMV)-CN18 is an Rsv resistance-breaking (RB) isolate to overcome soybean resistance genes Rsv1, Rsv3 and Rsv4. The aim of this study was to characterize nuclear inclusion protein a (NIa protein) of RB isolate at the molecular level and demonstrate its processing into genome-linked protein (VPg) and NIa-Pro domains in Esherichia coli containing a bacterial expression pET vector … …American Journal of Biochemistry and Biotechnology, Vol. 2, Issue 4 · 31 Dec 2006 · 6,902 accessesView PDFCite
Research ArticleOpen accessIn the abstractCrystallisation and Melting Behavior of Methyl Esters of Palm OilCheng Sit Foon, Yung Chee Liang, Noor Lida Habi Mat Dian et al.The methyl esters of palm oil, which consists of saturated and unsaturated esters (0.6 to 95.9% unsaturation) of the C12 to C18 fatty acids, solidify at the two temperature ranges, -52 to -45°C and -24 to 21°C, when the esters are cooled. When the esters are heated, they melt at two distinct temperatures, -25 and -33°C and a broad peak … …American Journal of Applied Sciences, Vol. 3, Issue 5 · 31 May 2006 · 7,049 accessesView PDFCite