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Comparative embryotoxicity of a pentabrominated diphenyl ether mixture to common terns (Sterna hirundo) and American kestrels (Falco sparverius)

Overview of attention for article published in Chemosphere, September 2013
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Title
Comparative embryotoxicity of a pentabrominated diphenyl ether mixture to common terns (Sterna hirundo) and American kestrels (Falco sparverius)
Published in
Chemosphere, September 2013
DOI 10.1016/j.chemosphere.2013.05.030
Pubmed ID
Authors

Barnett A. Rattner, Rebecca S. Lazarus, Gary H. Heinz, Natalie K. Karouna-Renier, Sandra L. Schultz, Robert C. Hale

Abstract

Concentrations of polybrominated diphenyl ethers (PBDEs) in Forster's tern (Sterna forsteri) eggs from San Francisco Bay have been reported to range up to 63μgg(-1) lipid weight. This value exceeds the lowest-observed-adverse-effect level (1.8μgg(-1) egg wet weight; ∼32μg(-1) lipid weight) reported in an embryotoxicity study with American kestrels (Falco sparverius). As a surrogate for Forster's terns, common tern (Sterna hirundo) eggs were treated by air cell injection with corn oil vehicle (control) or a commercial penta-BDE formulation (DE-71) at nominal concentrations of 0.2, 2, and 20μgg(-1) egg. As a positive control, kestrel eggs received vehicle or 20μg DE-71g(-1) egg. In terns, there were no effects of DE-71 on embryonic survival, and pipping or hatching success; however, treated eggs hatched later (0.44d) than controls. Organ weights, organ-to-body weight ratios, and bone lengths did not differ, and histopathological observations were unremarkable. Several measures of hepatic oxidative stress in hatchling terns were not affected by DE-71, although there was some evidence of oxidative DNA damage (8-hydroxy-deoxyguanosine; 8-OH-dG). Although DE-71 did not impair pipping and hatching of kestrels, it did result in a delay in hatch, shorter humerus length, and reduced total thyroid weight. Concentrations of oxidized glutathione, reduced glutathione, thiobarbituric acid reactive substances, and 8-OH-dG in liver were greater in DE-71-treated kestrels compared to controls. Our findings suggest common tern embryos, and perhaps other tern species, are less sensitive to PBDEs than kestrel embryos.

Twitter Demographics

The data shown below were collected from the profile of 1 tweeter who shared this research output. Click here to find out more about how the information was compiled.

Mendeley readers

The data shown below were compiled from readership statistics for 22 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
United States 1 5%
Unknown 21 95%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 9 41%
Unspecified 5 23%
Researcher 5 23%
Professor 2 9%
Student > Doctoral Student 1 5%
Other 0 0%
Readers by discipline Count As %
Unspecified 9 41%
Agricultural and Biological Sciences 6 27%
Environmental Science 5 23%
Neuroscience 1 5%
Medicine and Dentistry 1 5%
Other 0 0%

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 22 March 2014.
All research outputs
#10,711,565
of 12,079,383 outputs
Outputs from Chemosphere
#4,510
of 5,237 outputs
Outputs of similar age
#166,451
of 199,228 outputs
Outputs of similar age from Chemosphere
#33
of 40 outputs
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