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Displaying 351 - 375 of 1014

Perfluorinated Alkyl Acids in the Plasma of South African Crocodiles (Crocodylus niloticus)

July 1, 2016
Author(s)
Jessica L. Reiner, John Bowden, Ian Christie, Matthew P. Guillette, Theresa M. Cantu, Russell H. Lowers, Hannes Botha, Wilmien Luus-Powell, Willem J. Smit, Danny Govender, Danie Pienaar, Louis J. Guillette Jr.
Perfluorinated alkyl acids (PFAAs) are environmental contaminants that have been used in many products for over 50 years. Interest and concern has grown since 2000 on the widespread presence of PFAAs, when it was discovered that PFAAs were present in

Development of a Northern Continental Air Standard Reference Material

February 18, 2016
Author(s)
George C. Rhoderick, Duane Kitzis, Michael E. Kelley, Walter R. Miller Jr., Bradley Hall, Edward Dlugokencky, Pieter Tans, Antonio M. Possolo, Jennifer Carney
The National Institute of Standards and Technology (NIST) recently began to develop standard mixtures of greenhouse gases as part of a broad program mandated by the 2009 United States Congress to support research in climate change. To this end, NIST made

Synchrotron X-ray Investigation of alpha-Chlorohemin, C34H32ClFeN4O4, an Fe-porphyrin

January 28, 2016
Author(s)
Winnie K. Wong-Ng, James A. Kaduk, Lawrence P. Cook, B Chakraborty, Greg Brewer
X-ray data of a powder sample of alpha-chlorohemin (a member of the porphyrin family), C34H32ClFeN4O4, was collected using synchrotron radiation at the Advanced Photon Source (APS, Argonne National Laboratory). Rietveld Refinement and Density Functional

Organohalogen contaminants and vitamins in Northern Fur Seals (Callorhinus ursinus) collected during subsistence hunts in Alaska

January 1, 2016
Author(s)
Jessica L. Reiner, Paul R. Becker, Jennifer M. Lynch, Amanda J. Moors, Jennifer M. Ness, Rebecca S. Pugh, Catherine A. Rimmer, John R. Kucklick, Matthew O. Gribble, Danielle Peterson, Jody Rhoderick, Jennifer Trevillian
During native subsistence hunts from 1987 to 2007, blubber and liver samples from 50 subadult male northern fur seals (Callorhinus ursinus) were collected on St. Paul Island, Alaska. Samples were analyzed for legacy persistent organic pollutants (POPs)

Urinary iodine and stable isotope analysis to examine habitat influences on thyroid hormones among coastal dwelling American alligators

December 9, 2015
Author(s)
Ashley S. Boggs-Russell, Heather J. Hamlin, James C. Nifong, Brittany L. Kassim, Russell H. Lowers, Thomas M. Galligan, Stephen E. Long, Louis J. Guillette Jr.
The American alligator, a freshwater species, is known to forage in marine environments which could lead to increased dietary uptake of iodine, a nutrient necessary for the production of thyroid hormones. To explore the influence of dietary iodine on
Displaying 351 - 375 of 1014
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