Municipal wastewaters may contain a variety of genotoxic compounds, including drugs or their metabolites, PAHs, etc. Bacterial genotoxicity assays use DNA impairment as end point while micronucleus tests, conducted on eucaryotes, assess chromosome aberrations. As relatively few comparative studies exist, in this study results of the micronucleus test using the painter’s mussel (Unio pictorum) a...

Sister-chromatid exchange (SCE) and chromosome aberrations (CA) in bone marrow cells were analyzed after in vivo exposure in mice to 4 aliphatic epoxides, namely 1-naphthyl glycidyl ether (NGE), 1-naphthyl propylene oxide (NPO), 4-nitrophenyl glycidyl ether (NPGE) and trichloropropylene oxide (TCPO). These compounds were selected as being among the most mutagenic aliphatic epoxides in our previ...

En la presente aportación se presentan los principales resultados y conclusiones del Mapa sociolingüístico escolar de Ames, elaborado por el Seminario Sociolingüística Real Academia Galega. Los primeros enmarcan en situación sociolingüística general Galicia, las segundas evolución política lingüística gobiernos autónomos gallegos y, más concreto, lo relativo a presencia gallego educación. estud...

a Ocean Sciences Department, 1156 High Street, University of California Santa Cruz, Santa Cruz, CA, USA b ORAU/NASA Ames Research Center, M.S. 245-4, Bldg. 245, Rm. 120, PO Box 1, Moffett Field, CA 94035, USA c Department of Atmospheric, Ocean, and Space Sciences, University of Michigan, USA d Applied Math and Computer Science, Emory University, Atlanta, GA, USA e Earth Science Division, NASA A...

1 Leading Researcher, MCT, Inc., NASA Ames Research Center, Moffett Field, CA, 94035, USA. 2 Associate Scientist, Intelligent Systems Division, NASA Ames Research Center, Moffett Field, CA 94035, USA. AIAA Member. 3 Associate Professor, Department of Mathematical Sciences, New Jersey Institute of Technology, Newark, NJ, 07102, USA. 4 Professor, Physics Department, South Dakota School of Mines a...

An idealized model for turbulent ames is introduced It consists of a scalar advection reaction di usion equation that describes the inter action of a thin ame with a turbulent like ow eld acting on two separate scales Rigorous asymptotic results as well as a ordable and reliable direct numerical simulations are available to describe the e ec tive large scale behavior of the idealized front a st...

a Bay Area Environmental Research Institute (BAERI)/NASA Ames Research Center, Moffett Field, CA 94035, USA b NASA Advanced Supercomputing Division, NASA Ames Research Center, Moffett Field, CA 94035, USA c Nature Publishing Group, San Francisco, CA, USA d Department of Science and Environmental Policy, California State University at Monterey Bay/NASA Ames Research Center, Moffett Field, CA 940...

Some chemicals used by human such as food additives are mutagenic and mutagenicity effects analysis of them is very important because of considerable consumption by man. One of the most common methods used in the recognition of the chemicals' mutagenicity is Salmonella Typhimurium Reverse Mutation (Ames) test. The purpose of the present study is mutagenicity effects analysis of sodium nitrite, ...