Zobrazeno 1 - 10
of 200
pro vyhledávání: '"Mark, Hewitt"'
Autor:
Jessie S. Reynolds, Chris K. Elvidge, Ian J. Vander Meulen, Caleb T. Hasler, Richard A. Frank, John V. Headley, L. Mark Hewitt, Diane M. Orihel
Publikováno v:
FACETS, Vol 9, Iss , Pp 1-12 (2024)
We evaluated whether naphthenic acid fraction compounds (NAFCs) extracted from oil sand tailings adversely affect fish survival and behaviour. Following a before–after-control-impact design, we housed wild-caught juvenile yellow perch (Perca flaves
Externí odkaz:
https://doaj.org/article/7861d80a478947b0aeac35a40ed9606b
Autor:
Laiba Jamshed, Shanza Jamshed, Richard A. Frank, L. Mark Hewitt, Philippe J. Thomas, Alison C. Holloway
Publikováno v:
Toxics, Vol 12, Iss 9, p 631 (2024)
Responding to global standards and legislative updates in Canada, including Bill S-5 (2023), toxicity testing is shifting towards more ethical, in vitro methods. Traditional two-dimensional (2D) monolayer cell cultures, limited in replicating the com
Externí odkaz:
https://doaj.org/article/6f256dddf70f4a9eaa6ec230d6cc1ca4
Autor:
Rolf Altenburger, Werner Brack, Robert M. Burgess, Wibke Busch, Beate I. Escher, Andreas Focks, L. Mark Hewitt, Bo N. Jacobsen, Miren López de Alda, Selim Ait-Aissa, Thomas Backhaus, Antoni Ginebreda, Klára Hilscherová, Juliane Hollender, Henner Hollert, Peta A. Neale, Tobias Schulze, Emma L. Schymanski, Ivana Teodorovic, Andrew J. Tindall, Gisela de Aragão Umbuzeiro, Branislav Vrana, Bozo Zonja, Martin Krauss
Publikováno v:
Environmental Sciences Europe, Vol 31, Iss 1, Pp 1-17 (2019)
Abstract Environmental water quality monitoring aims to provide the data required for safeguarding the environment against adverse biological effects from multiple chemical contamination arising from anthropogenic diffuse emissions and point sources.
Externí odkaz:
https://doaj.org/article/6cc2c4c0f196452aaf3387d54f198695
Autor:
Ricardo O. Barra, Gustavo Chiang, Maria Fernanda Saavedra, Rodrigo Orrego, Mark R. Servos, L. Mark Hewitt, Mark E. McMaster, Paulina Bahamonde, Felipe Tucca, Kelly R. Munkittrick
Publikováno v:
Frontiers in Endocrinology, Vol 12 (2021)
Industrial wastewaters and urban discharges contain complex mixtures of chemicals capable of impacting reproductive performance in freshwater fish, called endocrine-disrupting compounds (EDCs). In Chile, the issue was highlighted by our group beginni
Externí odkaz:
https://doaj.org/article/ef724b3fb49444e391f3721854215f71
Autor:
Brack, Werner, Ait-Aissa, Selim, Burgess, Robert M., Busch, Wibke, Creusot, Nicolas, Di Paolo, Carolina, Escher, Beate I., Mark Hewitt, L., Hilscherova, Klara, Hollender, Juliane, Hollert, Henner, Jonker, Willem, Kool, Jeroen, Lamoree, Marja, Muschket, Matthias, Neumann, Steffen, Rostkowski, Pawel, Ruttkies, Christoph, Schollee, Jennifer, Schymanski, Emma L., Schulze, Tobias, Seiler, Thomas-Benjamin, Tindall, Andrew J., De Aragão Umbuzeiro, Gisela, Vrana, Branislav, Krauss, Martin
Publikováno v:
In Science of the Total Environment 15 February 2016 544:1073-1118
Autor:
Jessie S. Reynolds, Brianna L. Jackson, Barry N. Madison, Chris K. Elvidge, Richard A. Frank, Caleb T. Hasler, John V. Headley, L. Mark Hewitt, Kerry M. Peru, Sarah B. Yakimowski, Diane M. Orihel
Publikováno v:
Environmental Toxicology and Chemistry. 41:1319-1332
Our study evaluated whether exposure to naphthenic acid fraction compounds (NAFCs) extracted from oil sands process-affected waters (OSPW) has adverse effects on fish embryos that persist into later life. We exposed fathead minnow (Pimephales promela
Autor:
Melissa Lannon, Taylor Duda, Alisha Greer, Mark Hewitt, Arjun Sharma, Amanda Martyniuk, Julian Owen, Faizan Amin, Sunjay Sharma
Publikováno v:
Journal of Critical Care. 77:154319
Autor:
Douglas A. Holdway, Lindsay Beyger, Ricardo Barra, John Guchardi, Rodrigo Orrego, L. Mark Hewitt
Publikováno v:
Environmental Toxicology and Chemistry. 40:2297-2305
The aim of the present study was to evaluate the effects of exposure to Chilean pulp mill effluent extracts on developing postfertilized medaka embryos before and after sex definition relative to sex steroids (testosterone and 17beta-estradiol) and a
Autor:
Robert M. Gutgesell, Laiba Jamshed, Richard A. Frank, L. Mark Hewitt, Philippe J. Thomas, Alison C. Holloway
Publikováno v:
Journal of applied toxicology : JATREFERENCES. 42(12)
The extraction of bitumen from surface mining in the Athabasca Oil Sands Region (AOSR) produces large quantities of oil sands process-affected water (OSPW) that needs to be stored in settling basins near extraction sites. Chemical constituents of OSP
Autor:
John C. Dearden, Mark Hewitt
Publikováno v:
Alternatives to Laboratory Animals. 49:10-21
The prediction of human toxicities from animal toxicity tests is often poor, and is now discouraged and in some cases banned, especially those involving the LD50 test. However, there is a vast number of historical LD50 data in both public and in-hous