Zobrazeno 1 - 10
of 13
pro vyhledávání: '"Lisa R. Zimmerman"'
Autor:
Lisa R. Zimmerman, Mark D. Clapsadl, Alicia Pérez-Fuentetaja, Susan A. Mackintosh, Mehran Alaee, Diana S. Aga
Publikováno v:
Canadian Journal of Fisheries and Aquatic Sciences. 72:1886-1896
We studied the occurrence, bioaccumulation, and biomagnification of polybrominated diphenyl ethers (PBDEs) in a mixed food web of native and non-native species in Lake Erie. Non-native species were found at the basal level of the web (dreissenid muss
Autor:
Richelle M. Allen-King, Stanley Feenstra, Lisa R. Zimmerman, Bertrand Ligouis, Sungwook Choung
Publikováno v:
Journal of Contaminant Hydrology. 167:23-31
This study evaluated the effects of heterogeneous thermally altered carbonaceous matter (CM) on trichloroethylene (TCE) sorption for a low fraction organic carbon content (foc) alluvial sedimentary aquifer and aquitard system (foc=0.046-0.105%). The
Autor:
Diana S. Aga, J. Tom Sims, Sudarshan Dutta, Rachael Vaicunas, Lisa R. Zimmerman, Shreeram Inamdar
Publikováno v:
JAWRA Journal of the American Water Resources Association. 49:463-474
Water-quality surveys have confirmed the presence of hormones and antibiotics in surface waters of the United States, which may be of concern to aquatic life. We investigated the concentrations of hormones and antibiotics in surface waters of the sta
Autor:
Alicia Pérez-Fuentetaja, Diana S. Aga, Susan A. Mackintosh, Lisa R. Zimmerman, Mark D. Clapsadl, Grazina Pacepavicius, Mehran Alaee
Publikováno v:
Analytica Chimica Acta. 747:67-75
Polybrominated diphenyl ethers (PBDEs) are a class of flame retardants used globally in many consumer products and industrial applications. Traditionally, gas chromatography-high resolution mass spectrometry (GC-HR-MS) is the method of choice for ana
Publikováno v:
Analytical Chemistry. 74:4937-4943
A novel, sensitive, linker-assisted enzyme-linked immunosorbent assay (L'ELISA) was compared to on-line solid-phase extraction (SPE) with high-performance liquid chromatography/mass spectrometry (HPLC/MS) for the analysis of glyphosate in surface wat
Publikováno v:
Chemistry Central Journal
The increased use of veterinary antibiotics in modern agriculture for therapeutic uses and growth promotion has raised concern regarding the environmental impacts of antibiotic residues in soil and water. The mobility and transport of antibiotics in
Publikováno v:
Science of The Total Environment. 248:157-167
One of the primary goals of the US Geological Survey USGS Laboratory in Lawrence, Kansas, is to develop analytical methods for the analysis of herbicide metabolites in surface and ground water that are vital to the study of herbicide fate and degrada
Publikováno v:
Environmental Science & Technology. 32:3673-3680
During the 1995 growing season water samples were collected from three streams in the Mississippi delta and were analyzed for selected cotton and rice herbicides and metabolites. The purpose of the study was to relate the use of these herbicides to t
Publikováno v:
Environmental Science & Technology. 30:592-597
An ethanesulfonic acid metabolite of metolachlor (metolachlor ESA) was identified in soil-sample extracts by negative-ion, fast-atom bombardment mass spectrometry (FAB-MS) and FAB tandem mass spectrometry (FAB-MS/MS). Product-ion fragments from MS/MS
Autor:
E.M. Thurman, C. A. Perry, Lisa R. Zimmerman, Michael T. Meyer, Margaret S. Mills, Donald A. Goolsby
Publikováno v:
Environmental Science & Technology. 28:2267-2277
Field disappearance studies and a regional study of nine rivers in the Midwest Corn Belt show that deethylatrazine (DEA; 2-amino-4-chloro-6-isopropylamino-s-triazine) and deisopropylatrazine (DIA; 2-amino-4-chloro-6-ethylaminos-triazine) occur freque