Index Catalog // ScholarsArchive@OSU

"Instead of tumbleweed, we have mitigation systems" : an ethnography of toxics risk, mitigation, and advocacy in IBM's deindustrialized birthplace

Creator:: Little, Peter C.
Abstract:: This dissertation draws on ethnographic data and political ecological theory to analyze the experience of residents living in the IBM-Endicott Superfund site in Endicott, New York. Combining in-depth narratives and quantitative measures from a household survey, it highlights residents' perceptions of 1) environmental health risk, 2) risk mitigation, 3) deindustrialization...
Resource Type:: Dissertation
Full Text:: Bryan Tilt This dissertation draws on ethnographic data and political ecological theory to

Addressing the Risks of Nanoscale Polymers: Exposure, Behavior, and Toxicity

Creator:: Stine, Jared
Abstract:: Nanoscale polymers (including nanoplastics) are widely present through commerce and make their way into the environment. As the improper disposal of plastic waste leads to continued accumulation and degradation of plastic pollution, the presence of plastic particles less than 1 micron (μm) in size (nanoplastics) will increase. Heightened concern over...
Resource Type:: Dissertation
Full Text:: advisor Dr. Stacey Harper and Bryan Harper for being fantastic mentors, teachers, and guides during my

A Nano-sized Dose of Toxicology: Elucidating the Disconnect Between Nanomaterial Dosimetry and Biological Effects

Creator:: Slattery, Matthew R.
Abstract:: Nanotechnologies continue to permeate a multitude of industries, with diverse applications ranging from pesticides to fuel additives. The unusual behavior of nanomaterials that drives their innovation also complicates the job of toxicologists tasked with assessing their potential environmental and public health impacts. This dissertation investigates the underlying reasons for uncertainty...
Resource Type:: Dissertation
Full Text:: the dream alive. Bryan Harper, for never failing to produce a smile while preaching the cyclical

Novel Approaches to Evaluate the Environmental Impacts of Nanomaterials

Creator:: Wu, Fan
Abstract:: Numerous studies have shown that some nanomaterials are highly toxic to aquatic organisms and can potentially disrupt overall community health; however, current methods to evaluate the nanomaterials environmental impacts rarely consider the environmental realism or provide sufficient detail on the impact at the community level. Here we demonstrate three approaches...
Resource Type:: Dissertation
Full Text:: development as a scientist and researcher. I also would like to thank Bryan Harper especially, his

Addressing Persistent Challenges in Nanotoxicology Exposures : Techniques for in situ Characterization

Creator:: Crandon, Lauren E.
Abstract:: Nanoparticles (NPs), defined by their size (1-100 nm), are increasingly incorporated into commercial and industrial products due to their high surface area and unique properties. They can be designed for specific applications by manipulating composition, size, shape, and surface functionalization. As NP production and complexity increases, there is a need...
Resource Type:: Dissertation
Full Text:: years has made me a better scientist and person. I would also like to thank Bryan Harper, who was

A framework to model reliability and failures in complex systems during the early engineering design process

Creator:: O'Halloran, Bryan M.
Abstract:: An open area of research in complex systems is to move reliability and failure assessments earlier in the engineering design process. When compared to later design, early decisions are cost effective and have a large impact on the system. Standard methods are limited by the availability of data and often...
Resource Type:: Dissertation
Full Text:: ABSTRACT OF THE DISSERTATION OF Bryan Michael O’Halloran for the degree of Doctor of Philosophy in

Evaluating the public health risks of methylmercury exposure and benefits from omega-3 fatty acids and selenium from fish consumption

Creator:: Cusack, Leanne K.
Abstract:: Although fish are a nutritious food source, they also are the main source of methylmercury exposure in U.S. populations. This research examined the risks from methylmercury and benefits from omega-3 fatty acids and selenium from fish consumption. The first study provided the first region-specific quantitative risk/benefit analysis for nine commonly...
Resource Type:: Dissertation
Full Text:: caught fish. (Donatuto and Harper 2008; Harper and Harris 2008)(Donatuto and Harper 2008; Harper and

Construction, Degradation, and Restoration of Wet Meadow Ecosystems in Semi-arid Landscapes, Northern Great Basin, USA

Creator:: Nash, Caroline S.
Abstract:: Wet meadow ecosystems are a useful natural laboratory in which to explore feedbacks between biogenic and geologic controls on valley bottom landforms. Characterized by flat valley floors flanked by higher-gradient hillslopes, these meadows are singular both in that they represent depositional features in what is primarily an erosional environment, and...
Resource Type:: Dissertation
Full Text:: Harper giving her time to serve as my GCR. I am also grateful to the small village of collaborators

Eco-corona formation and impact on environmentally relevant micro- and nanoplastics

Creator:: McColley, Campbell J.
Abstract:: Microplastics (MPs) are plastic particles less than 5 mm in diameter. These contaminants are increasingly found in the environment due to increased plastic production, use, and improper disposal. Detecting and measuring these contaminants in the environment has proven difficult, requiring the use of fate and transport models to assess MP...
Resource Type:: Dissertation
Full Text:: CONTRIBUTION OF AUTHORS Dr. Stacey Harper and Bryan Harper from Oregon State University assisted with the

Developing rapid in vivo assays to investigate structure response relationships

Creator:: Truong, Lisa
Abstract:: Incorporation of nanoparticles (NPs) into consumer products is on the rise and human exposure to NPs is unavoidable. Currently, there is insufficient data to assess the safety of nanoparticles. I conducted a series of five studies using the zebrafish model to determine which NP components (i.e., core material or surface...
Resource Type:: Dissertation
Full Text:: committee members for serving in my graduate committee: Dr. Stacey Harper, Dr. Alan Bakalinsky, Dr. Chih

ScholarsArchive@OSU

"Instead of tumbleweed, we have mitigation systems" : an ethnography of toxics risk, mitigation, and advocacy in IBM's deindustrialized birthplace

Addressing the Risks of Nanoscale Polymers: Exposure, Behavior, and Toxicity

A Nano-sized Dose of Toxicology: Elucidating the Disconnect Between Nanomaterial Dosimetry and Biological Effects

Novel Approaches to Evaluate the Environmental Impacts of Nanomaterials

Addressing Persistent Challenges in Nanotoxicology Exposures : Techniques for in situ Characterization

A framework to model reliability and failures in complex systems during the early engineering design process

Evaluating the public health risks of methylmercury exposure and benefits from omega-3 fatty acids and selenium from fish consumption

Construction, Degradation, and Restoration of Wet Meadow Ecosystems in Semi-arid Landscapes, Northern Great Basin, USA

Eco-corona formation and impact on environmentally relevant micro- and nanoplastics

Developing rapid in vivo assays to investigate structure response relationships

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