Zobrazeno 1 - 10
of 242
pro vyhledávání: '"L A 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:
Clément François, Nicola Germain, Renata Majewska, Vanessa Taieb, L. Arthur Hewitt, Steven Kymes
Publikováno v:
Journal of Market Access & Health Policy, Vol 10, Iss 1 (2022)
Background Symptoms of neurogenic orthostatic hypotension (nOH), including lightheadedness/dizziness, presyncope, syncope, and falls, can lead to impaired functional ability and reduced quality of life. Because the severity and frequency of nOH sympt
Externí odkaz:
https://doaj.org/article/9dabaf842a5f4daab952d87029c374bd
Publikováno v:
Neurology and Therapy, Vol 9, Iss 2, Pp 205-211 (2020)
Plain Language Summary This article discusses what neurogenic orthostatic hypotension (nOH) is, its symptoms, and how patients and healthcare providers (HCPs) can work together to manage nOH symptoms. What is nOH? People with neurologic disorders, li
Externí odkaz:
https://doaj.org/article/5f38a416b7bc4e6d9f81ba8c61e3788f
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:
L. Arthur Hewitt, Annika Lindsten, Stephen Gorny, Meghana Karnik‐Henry, Steven Kymes, Antonella Favit
Publikováno v:
Health Science Reports, Vol 4, Iss 1, Pp n/a-n/a (2021)
Abstract Background and Aims Patients with neurogenic orthostatic hypotension (nOH) due to autonomic dysfunction may also experience supine hypertension (defined as supine systolic blood pressure [SBP] ≥140 mmHg). Because pressor agents used to imp
Externí odkaz:
https://doaj.org/article/f62dbb9e762a4e71881f52772b9cf076
Publikováno v:
BMC Neurology, Vol 18, Iss 1, Pp 1-9 (2018)
Abstract Background Neurogenic orthostatic hypotension (nOH) results from impaired vasoconstriction due to dysfunction of the autonomic nervous system and is commonly associated with Parkinson disease (PD), multiple system atrophy (MSA), and pure aut
Externí odkaz:
https://doaj.org/article/8093158982e043b5a33fea00b7e64b72
Publikováno v:
BMC Neurology, Vol 17, Iss 1, Pp 1-11 (2017)
Abstract Background Droxidopa, a prodrug of norepinephrine, was approved for treatment of neurogenic orthostatic hypotension (nOH) due to primary autonomic disorders based on 3 randomized double-blind studies. We performed safety and efficacy analyse
Externí odkaz:
https://doaj.org/article/389d485a1e0f48f69990f26dac5b9093
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
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f1ecb4d5934cd6621f5b0c59e869daac
https://doi.org/10.1002/etc.5314
https://doi.org/10.1002/etc.5314