Výsledky vyhledávání - "Adam C. Ryan"

The influence of hardness at varying pH on zinc toxicity and lability to a freshwater microalga, Chlorella sp

Autor: Gwilym. A. V. Price, Jenny L. Stauber, Aleicia Holland, Darren J. Koppel, Eric J. Van Genderen, Adam C. Ryan, Dianne F. Jolley

Publikováno v: Environmental Science: Processes & Impacts. 24:783-793

Zinc is an essential element for aquatic organisms, however, activities such as mining and refining, as well as zinc's ubiquitous role in modern society can contribute to elevated environmental concentrations of zinc. Water hardness is widely accepte

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2f8fe1eae0d79cc875d64ec9d65988dc
https://doi.org/10.1039/d2em00063f

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The Influence of pH on Zinc Lability and Toxicity to a Tropical Freshwater Microalga

Autor: Jenny L. Stauber, Adam C. Ryan, Aleicia Holland, Darren J. Koppel, Dianne F. Jolley, Eric Van Genderen, Gwilym A. V. Price

Publikováno v: Environmental Toxicology and Chemistry. 40:2836-2845

Increased focus on the development and application of bioavailability-based metal water quality guideline values requires increased understanding of the influence of water chemistry on metal bioavailability and toxicity. Development of empirical mode

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9f154c9a137758eb3e3ace137b1a86aa
https://doi.org/10.1002/etc.5177

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Comparison of Multiple Linear Regression and Biotic Ligand Models for Predicting Acute and Chronic Zinc Toxicity to Freshwater Organisms

Autor: David K. DeForest, Adam C. Ryan, Lucinda M. Tear, Kevin V. Brix

Publikováno v: Environmental toxicology and chemistry.

Multiple linear regression (MLR) models for predicting zinc (Zn) toxicity to freshwater organisms were developed based on three toxicity modifying factors (TMFs): dissolved organic carbon (DOC), hardness, and pH. Species-specific, stepwise MLR models

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c1db3700077f1ec6633982289bb7ffa8
https://pubmed.ncbi.nlm.nih.gov/36398855

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A Review of Water Quality Factors that Affect Nickel Bioavailability to Aquatic Organisms: Refinement of the Biotic Ligand Model for Nickel in Acute and Chronic Exposures

Autor: Adam C. Ryan, Christian E. Schlekat, Elizabeth T. Middleton, Emily R. Garman, Kelly Croteau, Tham C. Hoang, Robert C. Santore

Publikováno v: Environmental Toxicology and Chemistry. 40:2121-2134

A review of nickel (Ni) toxicity to aquatic organisms was conducted to determine the primary water quality factors that affect Ni toxicity and to provide information for the development and testing of a biotic ligand model (BLM) for Ni. Acute and chr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::12c9b7bb7834442abca79c2215da1f22
https://doi.org/10.1002/etc.5109

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The influence of hardness at varying pH on zinc toxicity and lability to a freshwater microalga

Autor: Gwilym A V, Price, Jenny L, Stauber, Aleicia, Holland, Darren J, Koppel, Eric J, Van Genderen, Adam C, Ryan, Dianne F, Jolley

Publikováno v: Environmental science. Processesimpacts. 24(5)

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::689f9b117e8d9e5723f3ab285af260cd
https://pubmed.ncbi.nlm.nih.gov/35442258

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Evaluation of Acute and Chronic Toxicity of Nickel and Zinc to 2 Sensitive Freshwater Benthic Invertebrates Using Refined Testing Methods

Autor: Jeffery A. Steevens, Edward J. Hammer, Ning Wang, Christian E. Schlekat, Adam C. Ryan, Eric Van Genderen, Danielle Cleveland, James L. Kunz

Publikováno v: Environmental Toxicology and Chemistry. 39:2256-2268

The US Environmental Protection Agency (USEPA) is reviewing the protectiveness of the national ambient water quality criteria (WQC) for nickel (Ni) and zinc (Zn) and compiling toxicity databases to update the WQC. An amphipod (Hyalella azteca) and a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::645df15ec6cd437ecac7b56191648d7a
https://doi.org/10.1002/etc.4841

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Natural organic matter source, concentration, and pH influences the toxicity of zinc to a freshwater microalga

Autor: Gwilym A.V. Price, Jenny L. Stauber, Dianne F. Jolley, Darren J. Koppel, Eric J. Van Genderen, Adam C. Ryan, Aleicia Holland

Publikováno v: Environmental Pollution. 318:120797

Zinc is a contaminant of concern in aquatic environments and is a known toxicant to many aquatic organisms. Dissolved organic matter (DOM) is a toxicity modifying factor for zinc and is an important water chemistry parameter. This study investigated

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8b1b4715f359ba061940c6a3f504fb23
https://doi.org/10.1016/j.envpol.2022.120797

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Modeling the Bioavailability of Nickel and Zinc to Ceriodaphnia dubia and Neocloeon triangulifer in Toxicity Tests with Natural Waters

Autor: Chris Schlekat, Eric Van Genderen, Danielle Cleveland, Elizabeth T. Middleton, Chris D. Ivey, David J. Soucek, Robert C. Santore, Jeffery A. Steevens, Emily R. Garman, John M. Besser, Adam C. Ryan, Amy Dickinson

Publikováno v: Environmental toxicology and chemistryREFERENCES. 40(11)

We studied biotic ligand model (BLM) predictions of the toxicity of nickel (Ni) and zinc (Zn) in natural waters from Illinois and Minnesota, USA, which had combinations of pH, hardness, and dissolved organic carbon (DOC) more extreme than 99.7% of wa

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::38a66ebab705a6bd183da14b9e784297
https://pubmed.ncbi.nlm.nih.gov/34297851

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Comparison of Multiple Linear Regression and Biotic Ligand Models to Predict the Toxicity of Nickel to Aquatic Freshwater Organisms

Autor: Robert C. Santore, Kelly Croteau, Emily R. Garman, Christian E. Schlekat, David K. DeForest, Adam C. Ryan, Elizabeth T. Middleton

Publikováno v: Environmental toxicology and chemistryREFERENCES. 40(8)

Toxicity-modifying factors can be modeled either empirically with linear regression models or mechanistically, such as with the biotic ligand model (BLM). The primary factors affecting the toxicity of nickel to aquatic organisms are hardness, dissolv

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6f255f28a72c29d8bc8aee7487978f5c
https://pubmed.ncbi.nlm.nih.gov/33847411

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Deriving a bioavailability-based zinc environmental quality standard for France

Autor: Iain Wilson, Adam C. Ryan, Adam Peters, Chris Cooper, Frank Van Assche, Graham Merrington

Publikováno v: Environmental science and pollution research international. 28(2)

National Environmental Quality Standards (EQS) for zinc used for the assessment of ecological status in freshwaters have been shown to vary by over two orders of magnitude across 25 European countries. Such variability is unlikely to reflect consiste

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::70d7e011a7e11ceca4a465b6b4bf15c4
https://pubmed.ncbi.nlm.nih.gov/32852714

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