OBJECTIVE To evaluate the prevalence of giardiasis in primary school children in Damascus city and the countryside, and to investigate the possible risk factors for giardiasis infection. METHODS A cross-sectional study was carried out on school children from 23 primary schools in Damascus, between March and June 2006. Data were collected from 1469 children of both genders from urban and rural...

alkaline crude enzymes from the viscera of the tunisian barbel (barbus callensis) were extracted and characterized. proteolytic crude extract from barbel viscera was active and stable in alkaline solution. the optimum ph and temperature were 11.0 and 55 °c, respectively, using casein as a substrate. the crude alkaline protease was extremely stable in the ph range of 5.0-12.0. zymography activit...

Specimens of two endemic cyprinids, Squalius laietanus (Catalan chub) and Barbus meridionalis (Mediterranean barbel), were sampled from a reference site in small stream the Ripoll River (NW Mediterranean) outside their reproductive season. Biomarkers involved xenobiotic-mediated responses individually contrasted fish both species 17 perfluoroalkyl substances (PFASs) analysed muscle to reveal bi...

MacGibbon KW1*, Fejzo, MS2,3 and Mullin PM4 1HER Foundation, Damascus, OR, USA 2Keck School of Medicine, University of Southern California, Department of Maternal-Fetal Medicine, Los Angeles, CA, USA 3University of California, Los Angeles, Department of Medicine, Los Angeles, CA, USA 4Keck School of Medicine, University of Southern California, Department of Maternal-Fetal Medicine, Los Angeles,...