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143 results for “microorganisms”

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Research ArticleOpen accessIn the abstractIn vitro and In vivo Anti-Microbial Effects of Nigella sativa Linn. Seed Extracts Against Clinical Isolates from Skin Wound InfectionsMariam A. Abu-Al-BasalcProblem statement: The developing microbial resistance to the existing anti-microbial agents has become a real challenge and a serious problem facing patients suffering from skin infections. Seeds of Nigella sativa have been used for a long time in folk medicine for the treatment of such infections. Production of new potent agents is urgently needed, especially for hospitals and health centers. … …American Journal of Applied Sciences, Vol. 6, Issue 8 · 31 Aug 2009 · 8,924 accessesView PDFCite
Research ArticleOpen accessIn the abstractIdentification of Clonal Clusters of Klebsiella pneumoniae Isolates from Chennai by Extended Spectrum Beta Lactamase Genotyping and Antibiotic Resistance Phenotyping AnalysisC. Kamatchi, H. Magesh, Uma Sekhar, Rama VaidyanathanProblem statement: An increased resistance to antibiotics has been reported in Klebsiella pneumoniae, an opportunistic gram negative pathogen belonging to Entrobacteraceae due to the evolution and spread of plasmid encoded extended spectrum beta lactamases and other genes conferring cross-resistance to other antibiotics. This is of concern due to the increasing cost of antibiotic treatment and the spread of multidrug resistance … …American Journal of Infectious Diseases, Vol. 5, Issue 2 · 30 Jun 2009 · 7,953 accessesView PDFCite
Research ArticleOpen accessIn the abstractBioaccumulation of Arsenic by FungiAdemola O. AdeyemiProblem statement: Arsenic is a known toxic element and its presence and toxicity in nature is a worldwide environmental problem. The use of microorganisms in bioremediation is a potential method to reduce as concentration in contaminated areas. Approach: In order to explore the possible bioremediation of this element, three filamentous fungi-Aspergillus niger, Serpula himantioides and Trametes versicolor were investigated for … …American Journal of Environmental Sciences, Vol. 5, Issue 3 · 30 Jun 2009 · 7,890 accessesView PDFCite
Research ArticleOpen accessIn the abstractThe Study of Diversity of Ciliate Protozoa in Ghizel Sheep Fed in Pasture and Nourished by Dried Grape by-ProductTaghizadeh Akbar, Mahbob Soltan Ali, Zarrini Golamreza et al.Problem statement: Ciliate protozoa are one of the normal microorganisms that found in rumen of both domestic and wild ruminants. Several factors seem to influence the concentration and composition of the protozoal fauna in the rumen. The aim of the present study was to determine the rumen ciliates protozoa diversity in Ghizel sheep of East Azerbaijan province and evaluate effects … …American Journal of Animal and Veterinary Sciences, Vol. 4, Issue 2 · 30 Jun 2009 · 7,958 accessesView PDFCite
Research ArticleOpen accessIn the abstractBacterial Contamination and Resistance to Commonly Used Antimicrobials of Healthcare Workers' Mobile Phones in Teaching Hospitals, Kerman, IranGholamreza Sepehri, Nooshin Talebizadeh, Ali Mirzazadeh et al.Problem Statement: The contamination rates of Health Care Worker's (HCW) mobile phones and resistance to commonly used antimicrobials were evaluated in three teaching hospitals in Kerman, Iran. So, we examined 150 randomly selected HCWs in three teaching hospitals in Kerman, Iran, 2007. For each HCW a sterile swab moistened with sterile water was rotated over the surface of both sides … …American Journal of Applied Sciences, Vol. 6, Issue 5 · 31 May 2009 · 9,773 accessesView PDFCite
Research ArticleOpen accessIn the abstractA Mini Review: Cholera Outbreak via ShellfishR. Suzita, A. S. Abdulamir, Fatimah Abu Bakar, R. SonProblem statement: Food borne illness occurs all over the world. Vibrio cholerae is the etiological agent of cholera which is spread by contaminated food, water or direct fecal contact with food handlers. There are also examples of sporadic outbreaks of illness attributed to raw products eaten unprocessed. Consequently, there was a widespread concern that food in international trade carries pathogenic … …American Journal of Infectious Diseases, Vol. 5, Issue 1 · 31 Mar 2009 · 8,315 accessesView PDFCite
Research ArticleOpen accessIn the abstractThe Effect of Higher Sludge Recycling Rate on Anaerobic Treatment of Palm Oil Mill Effluent in a Semi-Commercial Closed Digester for Renewable EnergyAlawi Sulaiman, Zainuri Busu, Meisam Tabatabaei et al.Problem statement: A 500 m3 semi-commercial closed anaerobic digester was constructed for Palm Oil Mill Effluent (POME) treatment and methane gas capture for renewable energy. During the start-up operation period, the Volatile Fatty Acids (VFA) accumulation could not be controlled and caused instability on the system. Approach: A settling tank was installed and sludge was recycled as to provide a … …American Journal of Biochemistry and Biotechnology, Vol. 5, Issue 1 · 31 Mar 2009 · 9,210 accessesView PDFCite
Research ArticleOpen accessIn the abstractVegetation Dynamics Depending on Ecological Particularities of Bozanta Mare (Maramures County-Romania) Tailing Pound: Case StudyMonica Marian, Leonard Mihaly Cozmuta, Camelia Varga et al.The present study followed an ecological demarche of reintegration in the scenary through revegetation of an anthropic ground, consisting in a waste pond formed from the flotation activity of non-ferrous ores. Problem statement: To support the formation of a compact vegetal layer, having anti-erosion and a restoration role, a preliminary study was required regarding the spontaneous settlement of different vegetal … …American Journal of Environmental Sciences, Vol. 5, Issue 1 · 28 Feb 2009 · 7,361 accessesView PDFCite
Research ArticleOpen accessIn the abstractA Review on Some Organic Acids Additives as Shelf Life Extenders of Fresh Beef CutsMohamed B. Jamilah, K.A. Abbas, R. Abdul RahmanThis study was aiming to present some approaches by which the shelf life of fresh beef cuts was extended. These approaches were based on using organic acids. Therefore the work was started with highlighting the deterioration of some quality attributes due to spoilage and pathogenic microorganisms. These attributes included colour, flavour and lipid oxidation changes. In a given holding temperature, … …American Journal of Agricultural and Biological Sciences, Vol. 3, Issue 3 · 30 Sep 2008 · 8,736 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