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  1. AU="Bradford, Molly A"
  2. AU="Eskiocak, Onur"
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  1. Article ; Online: Coastal Mussel (Mytilus spp.) Soft Tissues as Bioindicators of Methylmercury: Exploring the Relationship Between Condition Index and Methylmercury Concentrations.

    Rogers, Josie / Bradford, Molly A / O'Driscoll, Nelson J

    Bulletin of environmental contamination and toxicology

    2024  Volume 112, Issue 4, Page(s) 60

    Abstract: We investigated total mercury (THg) and methylmercury (MeHg) concentrations in coastal mussels (Mytilus spp.) sampled from the Minas Basin, Bay of Fundy and evaluated the relationship with condition index (CI). THg concentrations were low in sediment ( ... ...

    Abstract We investigated total mercury (THg) and methylmercury (MeHg) concentrations in coastal mussels (Mytilus spp.) sampled from the Minas Basin, Bay of Fundy and evaluated the relationship with condition index (CI). THg concentrations were low in sediment (mean THg = 5.15 ± 2.11 ng/g dw; n = 6) and soft tissues (mean THg = 62.3 ± 13.7 ng/g; mean MeHg = 13.2 ± 6.3 ng/g; n = 57). The THg in tissues had no significant relationship with CI (R
    MeSH term(s) Animals ; Mytilus ; Methylmercury Compounds ; Environmental Biomarkers ; Mercury ; Health Status
    Chemical Substances Methylmercury Compounds ; Environmental Biomarkers ; Mercury (FXS1BY2PGL)
    Language English
    Publishing date 2024-04-11
    Publishing country United States
    Document type Journal Article
    ZDB-ID 6895-0
    ISSN 1432-0800 ; 0007-4861
    ISSN (online) 1432-0800
    ISSN 0007-4861
    DOI 10.1007/s00128-024-03888-9
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    In stock of ZB MED Cologne/Königswinter

    Zs.B 75: Show issues Location:
    Je nach Verfügbarkeit (siehe Angabe bei Bestand)
    bis Jg. 2021: Bestellungen von Artikeln über das Online-Bestellformular
    ab Jg. 2022: Lesesaal (EG)

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  2. Article ; Online: Ecology and environmental characteristics influence methylmercury bioaccumulation in coastal invertebrates.

    Bradford, Molly A / Mallory, Mark L / O'Driscoll, Nelson J

    Chemosphere

    2023  Volume 346, Page(s) 140502

    Abstract: Quantifying mercury (Hg) concentrations in invertebrates is fundamental to determining risk for bioaccumulation in higher trophic level organisms in coastal food webs. Bioaccumulation is influenced by local mercury concentrations, site geochemistry, ... ...

    Abstract Quantifying mercury (Hg) concentrations in invertebrates is fundamental to determining risk for bioaccumulation in higher trophic level organisms in coastal food webs. Bioaccumulation is influenced by local mercury concentrations, site geochemistry, individual feeding ecologies, and trophic position. We sampled seven species of invertebrates from five coastal sites in the Minas Basin, Bay of Fundy, and determined body concentrations of methylmercury (MeHg), total mercury (THg), and stable isotopes of nitrogen (δ
    MeSH term(s) Animals ; Methylmercury Compounds/analysis ; Bioaccumulation ; Fishes ; Invertebrates ; Mercury/analysis ; Food Chain ; Carbon/chemistry ; Water Pollutants, Chemical/analysis ; Environmental Monitoring
    Chemical Substances Methylmercury Compounds ; Mercury (FXS1BY2PGL) ; Carbon (7440-44-0) ; Water Pollutants, Chemical
    Language English
    Publishing date 2023-10-20
    Publishing country England
    Document type Journal Article
    ZDB-ID 120089-6
    ISSN 1879-1298 ; 0045-6535 ; 0366-7111
    ISSN (online) 1879-1298
    ISSN 0045-6535 ; 0366-7111
    DOI 10.1016/j.chemosphere.2023.140502
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    In stock of ZB MED Cologne/Königswinter

    Zs.A 2540: Show issues Location:
    Je nach Verfügbarkeit (siehe Angabe bei Bestand)
    bis Jg. 1994: Bestellungen von Artikeln über das Online-Bestellformular
    Jg. 1995 - 2021: Lesesall (2.OG)
    ab Jg. 2022: Lesesaal (EG)

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  3. Article ; Online: Mercury bioaccumulation and speciation in coastal invertebrates: Implications for trophic magnification in a marine food web.

    Bradford, Molly A / Mallory, Mark L / O'Driscoll, Nelson J

    Marine pollution bulletin

    2023  Volume 188, Page(s) 114647

    Abstract: Studies on mercury bioaccumulation and biomagnification in coastal invertebrates in eastern Canada are limited, but these data are necessary to determine risk of mercury exposure effects in upper trophic level organisms. We quantified methylmercury (MeHg) ...

    Abstract Studies on mercury bioaccumulation and biomagnification in coastal invertebrates in eastern Canada are limited, but these data are necessary to determine risk of mercury exposure effects in upper trophic level organisms. We quantified methylmercury (MeHg), total mercury (THg), and stable isotopes of δ
    MeSH term(s) Animals ; Mercury/analysis ; Food Chain ; Bioaccumulation ; Water Pollutants, Chemical/analysis ; Canada ; Invertebrates ; Methylmercury Compounds ; Fishes ; Environmental Monitoring
    Chemical Substances Mercury (FXS1BY2PGL) ; Water Pollutants, Chemical ; Methylmercury Compounds
    Language English
    Publishing date 2023-02-01
    Publishing country England
    Document type Journal Article
    ZDB-ID 2001296-2
    ISSN 1879-3363 ; 0025-326X
    ISSN (online) 1879-3363
    ISSN 0025-326X
    DOI 10.1016/j.marpolbul.2023.114647
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  4. Article ; Online: The Complex Interactions Between Sediment Geochemistry, Methylmercury Production, and Bioaccumulation in Intertidal Estuarine Ecosystems: A Focused Review

    Bradford, Molly A. / Mallory, Mark L. / O’Driscoll, Nelson J.

    Bull Environ Contam Toxicol. 2023 Jan., v. 110, no. 1 p.26-26

    2023  

    Abstract: Due to their natural geochemistry, intertidal estuarine ecosystems are vulnerable to bioaccumulation of methylmercury (MeHg), a neurotoxin that readily bioaccumulates in organisms. Determining MeHg concentrations in intertidal invertebrates at the base ... ...

    Abstract Due to their natural geochemistry, intertidal estuarine ecosystems are vulnerable to bioaccumulation of methylmercury (MeHg), a neurotoxin that readily bioaccumulates in organisms. Determining MeHg concentrations in intertidal invertebrates at the base of the food web is crucial in determining MeHg exposure in higher trophic level organisms like fish and birds. The processes that govern the production of MeHg in coastal ecosystems are influenced by many geochemical factors including sulfur species, organic matter, and salinity. The interactions of these factors with mercury are complex, and a wide variety of results have been reported in the literature. This paper reviews conceptual models to better clarify the various geochemical and physical factors that impact MeHg production and bioavailability in intertidal ecosystems.
    Keywords bioaccumulation ; bioavailability ; bulls ; estuaries ; fish ; geochemistry ; littoral zone ; mercury ; methylmercury compounds ; neurotoxins ; organic matter ; salinity ; sediments ; sulfur ; trophic levels
    Language English
    Dates of publication 2023-01
    Size p. 26.
    Publishing place Springer US
    Document type Article ; Online
    Note Review
    ZDB-ID 6895-0
    ISSN 1432-0800 ; 0007-4861
    ISSN (online) 1432-0800
    ISSN 0007-4861
    DOI 10.1007/s00128-022-03653-w
    Database NAL-Catalogue (AGRICOLA)

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    In stock of ZB MED Bonn / Germany

    Z 4303: Show issues

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