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Displaying 326 - 350 of 1014

Alterations in eicosanoid composition during embryonic development in the chorioallantoic membrane of the American alligator (Alligator mississippiensis) and domestic chicken (Gallus gallus)

November 1, 2016
Author(s)
John Bowden, Theresa M. Cantu, Jacob Scott, Jimena B. Perez-Viscasillas, Kevin M. Huncik, Matthew P. Guillette, Louis J. Guillette Jr.
Eicosanoids are signaling lipids that regulate several physiological processes in the mammalian placenta, including the initiation of parturition. Though all amniotes construct similar extraembryonic membranes during development, the composition and

Integrative and comparative reproductive biology: From alligators to xenobiotics

November 1, 2016
Author(s)
Ashley S. Boggs-Russell, John Bowden, Abby G. Wenzel, Satomi Kohno, Heather J. Hamlin, Lori Cruze, Krista A. McCoy, Alison M. Roark, Thea M. Edwards, Theresa M. Cantu, Jessica A. Cloy-McCoy, Nicole A. McNabb, Cameron E. Williams
Dr. Louis J. Guillette Jr. thought of himself as a reproductive biologist. However, his interest in reproductive biology transcended organ systems, life history stages, species, and environmental contexts. His integrative and collaborative nature led to

Avian mercury exposure and toxicological risk across western North America: a synthesis

October 15, 2016
Author(s)
Joshua T. Ackerman, Collin A. Eagles-Smith, Mark P. Herzog, Alex Hartman, Sarah Peterson, David C. Evers, Allyson Jackson, John E. Elliott, Stacy Schuur, Colleen E. Bryan Sallee
Methylmercury contamination of the environment is an important issue globally and birds are useful bioindicators for mercury monitoring programs. We synthesized all of the available data on mercury contamination of birds in western North America. We

Mercury Risk to Avian Piscivores across the Western United States and Canada

October 15, 2016
Author(s)
Allyson Jackson, David C. Evers, Collin A. Eagles-Smith, Joshua T. Ackerman, James J. Willacker, John E. Elliott, Stacy Schuur, Colleen E. Bryan Sallee
As part of the Western North America Mercury Synthesis, we evaluated risk to avian piscivores across all or parts of their breeding range through the compilation of fish and bird tissue mercury (Hg) concentrations for western United States and Canada. We

A multi-year estimate of methane fluxes in Alaska from CARVE atmospheric observations

October 9, 2016
Author(s)
Anna Karion, Scot Miller, Anna Michalak, Rachel Chang, Steven Dinardo, Jakob Lindaas, Colm Sweeney, Roisin Commane
Methane (CH4) fluxes from Alaska and other arctic regions may be sensitive to thawing permafrost and future climate change, but estimates of both current and future fluxes from the region are uncertain. This study estimates CH4 fluxes across Alaska over a

NIST Programs to Advance Accurate, Internationally-Recognized Stack Emissions Measurements

September 15, 2016
Author(s)
Aaron Johnson, Iosif Isaakovich Shinder, Rodney A. Bryant, JohnPaul R. Abbott, Keith A. Gillis, Joey Boyd, James Filla, Michael R. Moldover
Accurate flow measurements are essential to quantify the amount of greenhouse gases (GHGs) and other pollutants emitted from power plant stacks. Although protocols have been developed, the uncertainty of stack flow measurements has not been documented. 

PORPHYRIN-BASED CHEMISTRY FOR CARBON CAPTURE AND SEQUESTRATION

July 8, 2016
Author(s)
Winnie K. Wong-Ng, Lawrence P. Cook, Greg Brewer
Two major types of porphyrinic framework structures offer promise for carbon capture and sequestration (CCS) applications: 1) metal-organic frameworks (MOFs) in which the porphyrins serve as struts linking vertices comprised of metal -based clusters; 2)
Displaying 326 - 350 of 1014
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