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Research ArticleOpen accessIn the abstractEffect of pH on the Conformation and Biological Activity of Clostridium septicum Alpha-toxin, a Pore-forming HemolysinB.M. Hang'ombe, T. Kohda, M. Mukamoto, S. KozakiThe effects of pH on the pore-forming Clostridium septicum alpha-toxin that causes myonecrosis was assessed at pH 5.0, 7.0 and 9.0 by measuring circular dichroism and its biological activity. Incubation of the toxin at pH 5.0 increased the hemolytic activity measured in murine red blood cells. On the other hand, incubation of the toxin at pH 9.0 drastically reduces the … …American Journal of Animal and Veterinary Sciences, Vol. 2, Issue 2 · 30 Jun 2007 · 6,902 accessesView PDFCite
Research ArticleOpen accessIn the abstractRecent Advances in the Synthesis of Artificial Antigen and Its Application in the Detection of Pesticide ResidueTong Dewen, Hesheng Yang, Wang JinyiRecent advances in the research of artificial antigen have shown that artificial antigens can be valuable approach for the treatment of some diseases as well as the detection of pesticide residues. By directly/indirectly coupling hapten to an appropriated carrier (macromolecule), artificial antigen can induce animals to produce hapten-specific antibody. Based on this principle, various vaccines have been developed. More impotently, … …American Journal of Agricultural and Biological Sciences, Vol. 2, Issue 2 · 30 Jun 2007 · 7,614 accessesView PDFCite
Research ArticleOpen accessIn the abstractExposure to Citral, Cinnamon and Ruda Disrupts the Life Cycle of a Vector of Chagas DiseaseCharles I. Abramson, Elis Aldana, Enrique SulbaranThe main vector of Chagas disease in Venezuela was exposed to the odors of citral, cinnamon and ruda. Cinnamon was found to stop the life cycle of Rhodnius prolixus relative to untreated animals. Citral and ruda also influenced the life cycle but not to the extent of animals exposed to cinnamon. We suggest that future research be directed toward using … …American Journal of Environmental Sciences, Vol. 3, Issue 1 · 31 May 2007 · 7,487 accessesView PDFCite
Research ArticleOpen accessIn the abstractInfluence of Ethanol Extract of Vinca rosea on Wound Healing in Diabetic RatsShivananda NayakVinca rosea (Catharanthus roseus L.) is native to the Caribbean Basin and has historically been used to treat a wide assortment of diseases. European herbalists used the plant for conditions as varied as headache to a folk remedy for diabetes. The objective of the study is to evaluate the diabetic wound healing activity of Vinca rosea using the excision wound … …OnLine Journal of Biological Sciences, Vol. 6, Issue 2 · 31 Dec 2006 · 7,416 accessesView PDFCite
Research ArticleOpen accessIn the abstractBiochemical Effects of Recombinant Porcine Somatotropin on Pig Fetal Growth and Metabolism: A ReviewD. Villanueva-García, S. A. Olmos-Hernández, D. Mota-Rojas et al.Prenatal development is mainly dependent on a close interrelation between nutritional supply use and regulation by hormones and growth factors. Mechanisms during early embryonic development are sensitive to manipulation through selected management strategies of the sow and modifications of this strategy may serve as a model for the examination of molecular and cellular events controlling early embryonic growth. The administration … …American Journal of Biochemistry and Biotechnology, Vol. 2, Issue 4 · 31 Dec 2006 · 6,620 accessesView PDFCite
Research ArticleOpen accessIn the abstractContributions To The Study Of Heavy Metals Concentration Variation In Sedimentable Dusts According To The Distance From The Pollution SourceMariana DOBRA, Vasile VIMAN, Gheorghe VÂTCĂThe environment in areas where geological and mining activities, such as the extraction of ores containing heavy metals, take place, is heavily polluted with dusts resulting from these activities, as well as with residual waters from the mines. Depending on the meteorological conditions, as well as on the conditions under which sedimentable dusts or dusts in suspension are emitted into … …American Journal of Environmental Sciences, Vol. 2, Issue 3 · 30 Sep 2006 · 6,968 accessesView PDFCite
Research ArticleOpen accessIn the abstractLoss of Morphine-induced Suppression of NK Cell activity and T-cell Functions in µ-Opioid Receptor Knockout MiceRichard J. Weber, Ricardo Gomez-Flores, Ichiro Sora, George R. UhlIn vivo administration of µ-opioid receptor selective agonists to various species is known to suppress lymphocyte, NK cell, and macrophage functions, in addition to mediate pain relief and euphoria. Using a mouse model in which the µ-opioid receptor gene was disrupted by targeted homologous recombination, we explored the involvement of this receptor in natural killer (NK) cell activity and T … …American Journal of Immunology, Vol. 2, Issue 2 · 30 Jun 2006 · 6,937 accessesView PDFCite
Research ArticleOpen accessIn the abstractGross and Histomorphological Studies of Femoral Head Resurfacing in DogD. Sharifi, A. Razaei, D. Savadkouhi et al.The foetal skull bone as a biological graft was investigated. This study was conducted on Fifteen adult mixed - breed normal dogs 12 to 24 months with weighing 21.4=3.6 Kg .Dogs were randomly divided into 3 groups of 5 animals each. The foetal skull bone of 45 days old was collected from one pregnant bitch via cesarean method. The right … …American Journal of Animal and Veterinary Sciences, Vol. 1, Issue 1 · 31 May 2006 · 6,690 accessesView PDFCite
Research ArticleOpen accessIn the abstractEffects of Administration of Alpha-Melanocyte Stimulating Hormone (α-MSH) on Some Hematological Values of Alloxan-induced Diabetic RatsKamal M.S. MansiThis study was designed to evaluate the role of alpha- melanocyte stimulating hormone (α-MSH) on heart rate and some hematological values in alloxan induced diabetic rats. 40 male white rats were divided into four experimental groups: control, diabetic, α-MSH-treated and α-MSH-treated diabetic. At the end of the experimental period (3weeks), animals in all four groups were fasted for 12 hrs … …American Journal of Pharmacology and Toxicology, Vol. 1, Issue 1 · 31 Mar 2006 · 7,366 accessesView PDFCite
Research ArticleOpen accessIn the abstractChanges in the Conscious Mind in Applying Technology for Growing Rice At the Chee River Basin in Northeastern of ThailandPramuan Sati, Jaruwan Dhamawat, Preecha Pratepha, Sampan RittidechA study of Local technology for rice Farming at the time of crisis of communities along the Chee river basin, which was aimed at investigating the patterns of the Local technology , that farmers used to solve the problems of growing rice when facing a crisis and conditions related to the use of Local technology for rice. The researcher used … …Journal of Social Sciences, Vol. 1, Issue 3 · 30 Sep 2005 · 6,953 accessesView PDFCite