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170 articles for “Ethanol”
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Research ArticleOpen accessIn the abstractToxicological Evaluation of Aspilia Africana Leaf Extracts in MiceO. O.K. Oko, E. A. Agiang, E. E. Osim, O. R. AsuquoProblem statement: The degree of toxicity of crude extracts of Aspilia Africana (Bush marigold) leaf on the basis of routes and dosages of administration were investigated. 204 healthy, male Swiss albino mice (20-25g) were used in three consecutive studies. Approach: In the first and second study, oral and intraperitoneal doses of 100, 500, 1000, 2000 and 4000 mg kg-1 body … …American Journal of Pharmacology and Toxicology, Vol. 6, Issue 3 · 28 Nov 2011 · 8,184 accessesView PDFCite
Research ArticleOpen accessIn the abstractEnzymatic Bioconversion of Agave Leaves FiberHydrolysis Using Plackett-Burman DesignMiguel A. Medina-Morales, J. C. Contreras-Esquivel, H. De la Garza-Toledo et al.Problem statement: Biofuels production is becoming a key factor to help decrease pollution levels and the dependency of fossil fuels. Cellulose from lignocellulosic biomass is being used as a source of raw material for biofuels production, specifically bioethanol, so many ways to use it for this purpose are being developed. Approach: Cellulose content and enzymatic depolymerization of cellulose was evaluated … …American Journal of Agricultural and Biological Sciences, Vol. 6, Issue 4 · 2 Nov 2011 · 8,128 accessesView PDFCite
Research ArticleOpen accessIn the abstractScreening Neuropharmacological Activities of Kaempferia parviflora (Krachai Dam) in Healthy Adult Male RatsThaneeya Hawiset, Supaporn Muchimapura, Jintanaporn Wattanathorn, Bungorn SripanidkulchaiProblem statement: Although the global prevalence of psychological disorders is increasing continually, the efficacies of therapeutic strategies are still very limited. Oxidative stress has been implicated in the pathogenesis of psychiatric disorders and substance possessing antioxidant activity can alleviate the mentioned conditions. Therefore, we hypothesized that Kaempferia parviflora, a medicinal plant claimed for nerve tonic, also possessed the neuropharmacological activities … …American Journal of Applied Sciences, Vol. 8, Issue 7 · 24 Jun 2011 · 8,697 accessesView PDFCite
Research ArticleOpen accessIn the abstractSynthesis and Characterization of Dinuclear Metal Complexes Stabilized by Tetradentate Schiff Base LigandsEid A. Abdalrazaq, Omar M. Al-Ramadane, Khansa S. Al-NumaProblem statement: The synthesis, spectroscopic properties and theoretical calculations of acetylacetonimine and acetylacetanilidimine Schiff-base ligands, L1H and L2H, respectively and their dinuclear complexes of the type [M2LnCl2(H2O)2], where n = 1 or 2, M = Co(II), Ni(II), Cu(II), Zn(II) and Cd(II) are described. Approach: The new tetradentate dianion Schiff base ligand which was used as stabilizers for the complexes were … …American Journal of Applied Sciences, Vol. 7, Issue 5 · 31 May 2010 · 7,568 accessesView PDFCite
Research ArticleOpen accessIn the abstractLow-doping Effects of Nanostructure ZnO: Sn tin films annealed at different temperature in Nitrogen ambient to be applied as an Anti-reflecting coating (ARC)H. Abdullah, M.N. Norazia, S. Shaari et al.Problem statement: The focus of this research is to discover the significant influences of substituting low concentration Sn at Zn-site as an Anti-Reflecting Coating (ARC) for Zn1-xSnxO compound. The effects of tin dopants on the structural and morphology properties of ZnO thin films prepared using the sol-gel method were investigated. Approach: The effects of annealing temperature on the deposited films … …American Journal of Engineering and Applied Sciences, Vol. 3, Issue 1 · 31 Mar 2010 · 8,607 accessesView PDFCite
Research ArticleOpen accessIn the abstractAntibacterial Activity of Hydroalcoholic Extract of Callistemon citrinus and Albizia lebbeckSeyyed Mansour Seyydnejad, Masumeh Niknejad, Ismaieel Darabpoor, Hossein MotamediProblem statement: Callistemon citrinus and Albizia lebbeck are two kind of native plants in Khoozestan province in Iran, according to the agreement that medicinal plant could be replaced the medicine we are trying to determine the antibacterial effect of the named plants. Approach: The antibacterial properties of ethanolic and methanolic extract of Callistemon citrinus leaf and Albizia lebbeck leaf was … …American Journal of Applied Sciences, Vol. 7, Issue 1 · 31 Jan 2010 · 9,077 accessesView PDFCite
Research ArticleOpen accessIn the abstractChemical Composition of Propolis from Different Regions in Java and their Cytotoxic ActivitySyamsudin, Sudjaswadi Wiryowidagdo, Partomuan Simanjuntak, Wan Lelly HeffenProblem statement: Propolis samples from tropical zones, such as Java (Indonesia) with its vast biodiversity, have become a subject of increasing scientific and economic attention. The association of the chemical composition of propolis from different geographic regions with cytotoxic activities lead to the identification of active principles, a fundamental tool to achieve standardization of this bee product. Approach: The purpose … …American Journal of Biochemistry and Biotechnology, Vol. 5, Issue 4 · 31 Dec 2009 · 8,269 accessesView PDFCite
Research ArticleOpen accessIn the abstractEvaluation of Antiangiogenic Effect of the Leaves of Justicia gendarussa (Burm. f ) (Acanthaceae) by Chrio Allontoic Membrane MethodK. Periyanayagam, B. Umamaheswari, L. Suseela et al.Problem statement: Angiogenesis involves the formation of new blood vessels from pre-existing blood vessels plays a crucial role in pathological processes such as diabetic retinopathy, arthritis and in the growth of solid tumors. Numerous reports had pointed out to the crucial role of neovascularization in the malignancy of tumors and other angiogenesis dependant diseases. Antiangiogenic therapy which targets activated endothelial … …American Journal of Infectious Diseases, Vol. 5, Issue 3 · 30 Sep 2009 · 9,152 accessesView PDFCite
Research ArticleOpen accessIn the abstractInhibitory Effect of Ginger Extract on Candida albicansZahra Atai, Manijeh Atapour, Maryam MohseniProblem statement:The fungal infections could be life-threatening in immunocompromised patients. Candida albicans is the most frequent fungi in the oral cavity. Approach: The first step for treatment could be done using topical antifungal agents. Nystatine is a choice for mentioned usage but there are some problems in its using including: unfavorite taste, frequency of usage, etc. Finding better replacements is … …American Journal of Applied Sciences, Vol. 6, Issue 6 · 30 Jun 2009 · 9,968 accessesView PDFCite
Research ArticleOpen accessIn the abstractAntitussive Activity Directed Isolation of Compounds from Onosma hispidumShahina Naz, Rafeeq A. Khan, Rahmanullah Siddiqi, Syed A. SayeedThe chemical investigation of the ethanolic extract of the root bark of Onosma hispidum following antitussive activity directed isolation led to the isolation of 4-hydroxy-3-methoxy cinnamic acid (mCA) and 4-hydroxy-3-methoxy benzoic acid (mBA) which have been reported for the first time in this species. Antitussive activity of the compounds was evaluated by reduction in frequency of cough induced by SO2 … …American Journal of Pharmacology and Toxicology, Vol. 1, Issue 1 · 31 Mar 2006 · 7,322 accessesView PDFCite