Zobrazeno 1 - 10
of 29
pro vyhledávání: '"Eric Higley"'
Autor:
Markus Hecker, Henner Hollert, Ralph Cooper, Anne-Marie Vinggaard, Yumi Akahori, Margaret Murphy, Christine Nellemann, Eric Higley, John Newsted, John Laskey, Angela Buckalew, Stefanie Grund, Sibylle Maletz, John Giesy, Gary Timm
Publikováno v:
Environmental science and pollution research international. 25(15)
In the original article wrong unites were quoted in Table 3 (page 508) and Table 4 (page 510) as well as in the paragraph 3.2 Core chemical exposure experiments on page 509. Also in paragraph 2.3 Selection and testing of chemicals the link to the Sup
Publikováno v:
Ecotoxicology. 24:321-329
Although the past two decades have witnessed a significant increase in the number of studies investigating effects of estrogenic chemicals on amphibians, to date little is known about specific molecular interactions of estrogens with the hypothalamus
Autor:
Amber R. Tompsett, Marcie Allan, David W. Vardy, Jon A. Doering, Eric Higley, Karsten Liber, Markus Hecker, John P. Giesy
Publikováno v:
Ecotoxicology and Environmental Safety. 101:23-30
The white sturgeon (Acipenser transmontanus) population that resides in the Columbia River in British Columbia (BC), Canada, has suffered recruitment failures for more than three decades. During the summers of 2008 and 2009, studies were performed to
Publikováno v:
Aquatic Toxicology. :155-161
Exposure to contaminants in the environment has been suggested as a contributing cause of ongoing declines in populations of amphibians reported in certain locations around the world. In the current study, responses of the wood frog (Lithobates sylva
Autor:
Hongxia Yu, Xiaowei Zhang, Guanyong Su, Liqun Xing, Jason C. Raine, John P. Giesy, Eric Higley, Markus Hecker
Publikováno v:
Environmental Science and Pollution Research. 20:803-811
Triphenyltin chloride (TPTC), which has been extensively used in industry and agriculture, can occur at concentrations in the environment sufficient to be toxic. Here, potency of TPTC to modulate genes in a library containing 1,820 modified green flu
Autor:
Markus Hecker, Amber R. Tompsett, Steve Wiseman, John P. Giesy, Eric Higley, Hong Chang, Sara Pryce
Publikováno v:
Comparative Biochemistry and Physiology Part C: Toxicology & Pharmacology. 156:202-210
Several studies have shown that exposure of amphibians, including the African clawed frog (Xenopus laevis), to potent estrogens at critical times during development results in feminization and/or demasculinization. However, genotyping of X. laevis ha
Autor:
Thomas-Benjamin Seiler, John P. Giesy, Werner Brack, Eric Higley, Tobias Schulze, Hanno Zielke, Paul D. Jones, Urte Lübcke-von Varel, Henner Hollert, Jan Wölz, Stefanie Grund, Markus Hecker
Publikováno v:
Environmental Toxicology and Chemistry. 31:1053-1062
Effect-directed analysis (EDA) can be useful in identifying and evaluating potential toxic chemicals in matrixes. Previous investigations of extracts of sediments from the upper Danube River in Germany revealed acute nonspecific and mechanism-specifi
Autor:
Jith K. Thomas, Jason C. Raine, Michael Pietrock, Steve Wiseman, Markus Hecker, David M. Janz, John P. Giesy, Eric Higley, Olesya Hursky
Publikováno v:
Aquatic Toxicology. 105:218-226
Selenomethionine (Se-Met) is the major dietary form of selenium (Se). Detrimental effects have been associated with exposure to elevated dietary selenium. Previous studies have demonstrated effects of Se on the endocrine system, in particular effects
Autor:
Ralph L. Cooper, Christine Nellemann, John L. Newsted, Markus Hecker, John P. Giesy, Yumi Akahori, Anne Marie Vinggaard, Margaret B. Murphy, Angela R. Buckalew, Stefanie Grund, Sibylle Maletz, Eric Higley, Henner Hollert, Gary Timm, John W. Laskey
Publikováno v:
Environmental Science and Pollution Research. 18:503-515
BACKGROUND, GOALS, AND SCOPE: In response to increasing concerns regarding the potential of chemicals to interact with the endocrine system of humans and wildlife, various national and international programs have been initiated with the aim to develo
Autor:
Thomas Braunbeck, Henner Hollert, Marc J.-F. Suter, John P. Giesy, Markus Hecker, Stefanie Grund, Eric Higley, René Schönenberger
Publikováno v:
Environmental Science and Pollution Research. 18:446-460
The present study was part of a comprehensive weight-of-evidence approach with the goal of identifying potential causes for the declines in fish populations, which have been observed during the past decades in the Upper Danube River.The specific goal