Search Results - "Braune, M."

Unusually high Deca-BDE concentrations and new flame retardants in a Canadian Arctic top predator, the glaucous gull by Verreault, Jonathan, Letcher, Robert J., Gentes, Marie-Line, Braune, Birgit M.

“…Despite a sustained effort in surveying flame retardants (FRs) in wildlife from industrialized regions, their occurrence in birds or any other wildlife species…”
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Tracking contaminants in seabirds of Arctic Canada: Temporal and spatial insights by Mallory, Mark L., Braune, Birgit M.

“…► Contaminants monitored in seabird tissues in the Canadian Arctic since 1975. ► Seven species representing different feeding niches form the monitoring basis…”
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Occurrence of substituted diphenylamine antioxidants and benzotriazole UV stabilizers in Arctic seabirds and seals by Lu, Zhe, De Silva, Amila O., Provencher, Jennifer F., Mallory, Mark L., Kirk, Jane L., Houde, Magali, Stewart, Connor, Braune, Birgit M., Avery-Gomm, Stephanie, Muir, Derek C.G.

“…Substituted diphenylamine antioxidants (SDPAs) and benzotriazole UV stabilizers (BZT-UVs) are contaminants of emerging environmental concern. However, little…”
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Mercury in Arctic marine ecosystems: Sources, pathways and exposure by Kirk, Jane L., Lehnherr, Igor, Andersson, Maria, Braune, Birgit M., Chan, Laurie, Dastoor, Ashu P., Durnford, Dorothy, Gleason, Amber L., Loseto, Lisa L., Steffen, Alexandra, St. Louis, Vincent L.

“…Mercury in the Arctic is an important environmental and human health issue. The reliance of Northern Peoples on traditional foods, such as marine mammals, for…”
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Temporal trends of organochlorines and mercury in seabird eggs from the Canadian Arctic, 1975–2003 by Braune, Birgit M.

“…Organochlorine pesticides, PCBs, total mercury and selenium were measured in eggs of thick-billed murres, northern fulmars and black-legged kittiwakes…”
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Identification of Long-Chain Perfluorinated Acids in Biota from the Canadian Arctic by Martin, Jonathan W, Smithwick, Marla M, Braune, Birgit M, Hoekstra, Paul F, Muir, Derek C. G, Mabury, Scott A

“…Recently it was discovered that humans and animals from various urban and remote global locations contained a novel class of persistent fluorinated…”
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Symmetry breakdown of electron emission in extreme ultraviolet photoionization of argon by Ilchen, M., Hartmann, G., Gryzlova, E. V., Achner, A., Allaria, E., Beckmann, A., Braune, M., Buck, J., Callegari, C., Coffee, R. N., Cucini, R., Danailov, M., De Fanis, A., Demidovich, A., Ferrari, E., Finetti, P., Glaser, L., Knie, A., Lindahl, A. O., Plekan, O., Mahne, N., Mazza, T., Raimondi, L., Roussel, E., Scholz, F., Seltmann, J., Shevchuk, I., Svetina, C., Walter, P., Zangrando, M., Viefhaus, J., Grum-Grzhimailo, A. N., Meyer, M.

“…Short wavelength free-electron lasers (FELs), providing pulses of ultrahigh photon intensity, have revolutionized spectroscopy on ionic targets. Their…”
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Beyond bulk δ15N: Combining a suite of stable isotopic measures improves the resolution of the food webs mediating contaminant signals across space, time and communities by Elliott, Kyle H., Braune, Birgit M., Elliott, John E.

“…•Trophic magnification factors are used to understand contamination of food webs.•Bulk δ15N are widely used to calculate such factors.•Across three systems,…”
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Trophic structure and mercury distribution in a Gulf of St. Lawrence (Canada) food web using stable isotope analysis by Lavoie, Raphael A., Hebert, Craig E., Rail, Jean-François, Braune, Birgit M., Yumvihoze, Emmanuel, Hill, Laura G., Lean, David R.S.

“…Even at low concentrations in the environment, mercury has the potential to biomagnify in food chains and reaches levels of concern in apex predators. The aim…”
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Variable sea‐ice conditions influence trophic dynamics in an Arctic community of marine top predators by Pratte, Isabeau, Braune, Birgit M., Hobson, Keith A., Mallory, Mark L.

“…Sea‐ice coverage is a key abiotic driver of annual environmental conditions in Arctic marine ecosystems and could be a major factor affecting seabird trophic…”
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Co-contaminants of microplastics in two seabird species from the Canadian Arctic by Sühring, Roxana, Baak, Julia E., Letcher, Robert J., Braune, Birgit M., de Silva, Amila, Dey, Cody, Fernie, Kim, Lu, Zhe, Mallory, Mark L., Avery-Gomm, Stephanie, Provencher, Jennifer F.

“…Through ingestion and subsequent egestion, Arctic seabirds can bioaccumulate microplastics at and around their colony breeding sites. While microplastics in…”
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Multiple Auger cycle photoionisation of manganese atoms by short soft x-ray pulses by Klumpp, S, Gerken, N, Mertens, K, Richter, M, Sonntag, B, Sorokin, A A, Braune, M, Tiedtke, K, Zimmermann, P, Martins, M

“…The multiple ionisation of atomic Mn, excited at (photon energy: 52.1 eV) and above (photon energy: 61.1 eV) the discrete giant 3 p - 3 d resonance, was…”
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Circumpolar contamination in eggs of the high-Arctic ivory gull Pagophila eburnea by Lucia, Magali, Verboven, Nanette, Strøm, Hallvard, Miljeteig, Cecilie, Gavrilo, Maria V., Braune, Birgit M., Boertmann, David, Gabrielsen, Geir W.

“…The ivory gull Pagophila eburnea is a high‐Arctic species threatened by climate change and contaminants. The objective of the present study was to assess…”
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Mercury concentrations in feathers of marine birds in Arctic Canada by Mallory, Mark L., Braune, Birgit M., Provencher, Jennifer F., Callaghan, D. Benjamin, Gilchrist, H. Grant, Edmonds, Samuel T., Allard, Karel, O’Driscoll, Nelson J.

“…•Total and methylmercury were sampled in feathers of Canadian Arctic marine birds.•Species in higher trophic positions had higher mercury concentrations.•Ivory…”
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Are phthalate ester contaminants in northern fulmar preen oil higher in birds that have ingested more plastic? by Provencher, J.F., Avery-Gomm, S., Braune, B.M., Letcher, R.J., Dey, C.J., Mallory, M.L.

“…Understanding the impacts of plastic pollution is a global research priority. Previous research has shown that plasticizers such as phthalate esters detected…”
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Monitoring colonial cliff-nesting seabirds in the Canadian Arctic: The Coats Island field station by Patterson, Allison, Gaston, Anthony J., Eby, Alyssa, Gousy-Leblanc, Marianne, Provencher, Jennifer F., Braune, Birgit M., Hipfner, J. Mark, Gilchrist, H. Grant, Nakoolak, Josiah, Woo, Kerry, Elliott, Kyle H.

“…The Coats Island field station in northern Hudson Bay, Canada, was established by the Canadian Wildlife Service in 1984 to monitor the thick-billed murre (…”
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Soft X-ray multiphoton excitation of small iodine methane derivatives by Mertens, K., Gerken, N., Klumpp, S., Braune, M., Martins, M.

“…The fragmentation pattern of the iodine-containing molecules and following a strong multiphoton excitation in the vicinity of the iodine 4d giant resonance…”
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Angular momentum sensitive two-center interference by Ilchen, M, Glaser, L, Scholz, F, Walter, P, Deinert, S, Rothkirch, A, Seltmann, J, Viefhaus, J, Decleva, P, Langer, B, Knie, A, Ehresmann, A, Al-Dossary, O M, Braune, M, Hartmann, G, Meissner, A, Tribedi, L C, AlKhaldi, M, Becker, U

“…In quantum mechanics the Young-type double-slit experiment can be performed with electrons either traveling through a double slit or being coherently emitted…”
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Levels and trends of organochlorines and brominated flame retardants in Ivory Gull eggs from the Canadian Arctic, 1976 to 2004 by Braune, Birgit M., Mallory, Mark L., Grant Gilchrist, H., Letcher, Robert J., Drouillard, Ken G.

“…The ivory gull ( Pagophila eburnea) is a circumpolar marine bird which has recently been listed as an endangered species in Canada. To determine whether…”
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Electron angular distributions of noble gases in sequential two-photon double ionization by Braune, M., Hartmann, G., Ilchen, M., Knie, A., Lischke, T., Reinköster, A., Meissner, A., Deinert, S., Glaser, L., Al-Dossary, O., Ehresmann, A., Kheifets, A.S., Viefhaus, J.

“…We present an angle resolved study of photoelectrons emitted from ions of the noble gases neon, argon and krypton by means of time-of-flight spectroscopy. The…”
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