Zobrazeno 1 - 10
of 72
pro vyhledávání: '"Douglas A. Holdway"'
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
Publikováno v:
Environmental Toxicology and Chemistry. 39:904-912
Estrogen toxicity has been an area of priority in aquatic toxicology over the last 20 yr. Currently, estrogen toxicity is primarily linked to classical estrogen signaling, the interaction of estrogen receptors alpha and beta (ERα and ERβ). Recent e
Publikováno v:
Aquatic Toxicology. 234:105796
This study leveraged the Japanese medaka fish embryo model for the assessment of effects of select contaminants on early development in fish. Fish embryos were exposed to various pharmaceutical contaminants including synthetic hormones and non-steroi
Autor:
Deborah L. MacLatchy, John Guchardi, Douglas A. Holdway, Rodrigo Orrego, Tatiana Heid-Furley, L. Mark Hewitt, A.H. Slade, Milestone Craig Brennan
Publikováno v:
Environmental Toxicology and Chemistry. 36:1547-1555
This study examined the potential of pulp mill effluent from pulp producing countries (Canada, Brazil, New Zealand) to affect fish reproduction. Specifically, the estrogenic effects in juvenile rainbow trout (Oncorhynchus mykiss) pulse-exposed to 11
Autor:
Kristin M. Nielsen, Denina B.D. Simmons, Erin Ussery, Zacharias Pandelides, Douglas A. Holdway, Chad Mansfield
Publikováno v:
Aquatic Toxicology. 232:105761
Metformin is a widely prescribed pharmaceutical used in the treatment of numerous human health disorders, including Type 2 Diabetes, and as a results of its widespread use, metformin is thought to be the most prevalent pharmaceutical in the aquatic e
Publikováno v:
Environmental Toxicology and Chemistry. 35:1358-1363
Understanding the environmental risks of pharmaceuticals and personal care products (PPCPs) has become very important in the field of aquatic toxicology. Hydroxylpropyl-β-cyclodextrin (HPβCD) is an amphiphilic, toroidal shaped molecule with the abi
Autor:
Douglas A. Holdway, Erin Ussery, Dario Bonetta, Barney J. Venables, John Guchardi, Kristin N. Bridges, Andrea E. Kirkwood, Zacharias Pandelides
Publikováno v:
Aquatic toxicology (Amsterdam, Netherlands). 205
Metformin is one of the most prevalent pharmaceuticals in both surface and waste waters, yet little is known about the bioavailability and/or effects of developmental exposure on early life stage (ELS) fish. Here, we demonstrate that embryo-larval st
Autor:
Douglas A. Holdway
Publikováno v:
Pollution in Tropical Aquatic Systems ISBN: 9781351075879
The majority of potential sources of metal pollution to Australian tropical rivers are from mines and mineral refining operations. Materials that are extracted and refined in northern Australia include uranium, gold, manganese, bauxite, copper, zinc,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c5e5608375d73ce389655b2cda78b586
https://doi.org/10.1201/9781351075879-10
https://doi.org/10.1201/9781351075879-10
Autor:
Natacha S. Hogan, Megan A. Finley, Douglas A. Holdway, L. Mark Hewitt, Kevin L. Teather, Michael R. van den Heuvel, Simon C. Courtenay
Publikováno v:
Integrated Environmental Assessment and Management. 9:496-507
Estuarine eutrophication as a result of agricultural land use, including the use of chemical fertilizers, is increasing worldwide. Prince Edward Island (PEI), Canada has very high agricultural intensity by international standards with approximately 4
Publikováno v:
Aquatic Toxicology. 104:299-307
This study evaluated the effects of Chilean pulp mill effluent extracts (untreated, primary and secondary treated pulp mill effluents), along with steroid standards (testosterone and 17β-estradiol) and a wood extractive standard (beta-sitosterol) on