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Filtering by: Subject Tsunamis -- Environmental aspects Remove constraint Subject: Tsunamis -- Environmental aspects Academic Affiliation Environmental and Molecular Toxicology Remove constraint Academic Affiliation: Environmental and Molecular Toxicology Resource Type Dissertation Remove constraint Resource Type: Dissertation

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Biochemical and physiological indicators of behavioral impairment in salmonids exposed to chlorpyrifos and copper

Creator:

Sandahl, Jason

Abstract:

The purpose of this work was to determine if environmentally-relevant concentrations of chlorpyrifos and copper, two commonly detected chemicals in Western surface waters, can negatively impact the biological health of salmonids. Both compounds are highly neurotoxic to fish, but each with distinct biological target sites and mechanisms of action. We...

Resource Type:

Dissertation

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of Environmental and Molecular Toxicology Dean of the GaIuaTe School I understand that my
Effects of esfenvalerate on native macroinvertebrates representative of Pacific Northwest streams

Creator:

Johnson, Katherine R.

Abstract:

Aquatic insects are essential components of healthy stream ecosystems, contributing to nutrient cycling, trophic dynamics and other ecological functions. Aquatic insect species, particularly those in the orders Ephemeroptera, Plecoptera and Trichoptera (EPT taxa) are however, extremely sensitive to insecticide contamination. Given that urban and agricultural use of synthetic pyrethroid insecticides...

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Dissertation

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Head of the Department of Environmental and Molecular Toxicology Dean of the Graduate School
Exposure and health risk assessment for farmers occupationally exposed to chlorpyrifos in Sri Lanka and drinking water and house dust analysis for chlorpyrifos

Creator:

Aponso, G. Lalith M.

Abstract:

This study was designed to assess chiorpyrifos exposure of a group of farmers by determining internal dose associated with a given application of this insecticide. This involved the monitoring of urinary levels of 3,5,6 trichloro-2-pyridinol (TCP), the major metabolite of chlorpyrifos. Incidental exposure was evaluated by determining the levels of...

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Dissertation

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on July 30, 2001 APPROVED Major Professor, representing Environmental and Molecular Toxicology
Unraveling tissue regeneration using chemical genetics

Creator:

Mathew, Lijoy K.

Abstract:

The emerging field of regenerative medicine is mainly approached by two different aspects. First is the use of stem cell based models to generate a suite of differentiated cells for therapeutic applications and the alternative approach is to utilize the non-mammalian models that have the inherent capacity to regenerate their...

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Dissertation

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Department of Environmental and Molecular Toxicology Dean of the Graduate School
Long-term fertilizer input influences total and bioavailable metal in agricultural soils and crops

Creator:

Pérez, Angela L.

Abstract:

Protection of the quality and integrity of food supplies is of global concern. Crops can accumulate non-nutritive and sometimes toxic metals and metalloids. Accumulated metals/metalloids can come in part, from fertilizers, which may contain variable levels of non-nutritive metals or metalloids such as arsenic (As), cadmium (Cd), lead (Pb), nickel...

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Dissertation

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Toxicology Head of the Department of Environmental and Molecular Toxicology
Physiological and organism level endpoints in the beetle pterostichus oblongopunctatus (Coleoptera: Carabidae), inhabiting a gradient of heavy metal pollution

Creator:

Stone, David

Abstract:

Pollutant body burdens, ability to tolerate supplementary stressors, and biomarkers of physiological stress were investigated in the ground beetle, Pterostichus oblongopunctatus (Coleoptera: Carabidae), inhabiting a gradient of heavy metal contamination in Poland. The central question was to determine if beetles inhabiting polluted habitats incurred costs compared with beetles in less...

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Dissertation

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December 19. 2001 Major Profesor, representing Toxicology bf Department of Environmental and Molecular
Environmental estrogens and skeletal development disruption in the fathead minnow : A teleost model of vertebrate developmental toxicity

Creator:

Warner, Kara E.

Abstract:

Natural and synthetic estrogenic compounds detected in surface waters have been linked to endocrine signaling disruption in several species. Endogenous estrogen contributes to cartilage and bone deposition during development in vertebrates, and is susceptible to perturbation from xenoestrogens. The goals of this work were to develop a teleost model to...

Resource Type:

Dissertation
The use of native macroinverebrates to assess pesticide risk to Oregon streams

Creator:

Peterson, Jennifer L.

Resource Type:

Dissertation
Human Exposure to PAHs in Air, Water, and Crayfish

Creator:

Paulik, L. Blair

Abstract:

There are many links between exposure to environmental pollution and risks to human health. While advances in the fields of toxicology, exposure science, and environmental chemistry have shown light on many of these links, many more research challenges remain. One major challenge is how to accurately characterize the toxicity of...

Resource Type:

Dissertation

Full Text:

: ______________________________________________________ Kim A. Anderson There are many links between exposure to environmental pollution and risks to
Environmental contaminants in male river otters collected from Oregon and Washington, 1994-99, with reproductive organ hypoplasia observed in otter males

Creator:

Grove, Robert Allan

Abstract:

A large number of river otter (Lontra canadensis) males were collected from areas of high and low contaminant concentrations throughout western Oregon and Washington during the fall and winter of 1994-99. Few significant non-reproductive organ morphometric differences were found in the large series of male otters collected, except for adrenal...

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Dissertation

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degree of Doctor of Philosophy in Toxicology presented on May 25, 2006. Title: Environmental Contaminants

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Academic Affiliation

Environmental and Molecular Toxicology[remove]16

Advisor

Anderson, Kim A.5
Jenkins, Jeffrey J.4
Jepson, Paul C.4
Buhler, Donald R.2
Curtis, Lawrence R.1
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Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 2001 to 2017

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Committee Member

Simonich, Staci3
Fairbrother, Anne2
Harding, Anna2
Jenkins, Jeffrey2
Stone, Dave2
more Committee Members »

Creator

Grove, Robert Allan2
Aponso, G. Lalith M.1
Finch, Bryson E.1
Forsberg, Norman D.1
Hillwalker, Wendy E.1
more Creators »

Date

Date range begin – Date range end

Current results range from 2001 to 2017

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Decade

2010-20194
2000-200912

Degree Field

Toxicology16

Degree Level

Doctoral16

Degree Name

Doctor of Philosophy (Ph.D.)16

File Format

application/pdf3

Language

English [eng]16

License

All rights reserved14

Non-Academic Affiliation

Oregon State University. Graduate School16

Peer Reviewed

No15

Resource Type

Dissertation[remove]16

Rights Statement

In Copyright14
Copyright Not Evaluated2

Subject

BP Deepwater Horizon Explosion and Oil Spill, 20102
Endocrine toxicology -- Oregon2
Endocrine toxicology -- Washington (State)2
Generative organs, Male -- Abnormalities -- Environmental aspects -- Oregon2
Generative organs, Male -- Abnormalities -- Environmental aspects -- Washington (State)2
more Subjects »

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