Index Catalog // ScholarsArchive@OSU

‘Tis a Gift to be Simple : On Passive Sampling and Compatible Techniques for Reducing the Complexity of Environmental Mixtures

Creator:: Bergmann, Alan J.
Abstract:: Assessing the risk from exposure to a chemical mixture in the environment can seem prohibitively challenging. Most components of the mixture are not readily identifiable, chemicals may interact to cause other-than-additive toxicity, and the number of potential combinations of environmental contaminants is enormous. These challenges can make it seem impossible...
Resource Type:: Dissertation
Full Text:: Paulik, Jamie Minick, Holly Dixon, Gary Points, Kevin Hobbie, Matt Perkins, and Ricky Scott deserve

Advancement of Passive Sampling Applications for Assessing Contaminant Transport, Bioaccumulation, and Toxicity

Creator:: Minick, David J.
Abstract:: In the environment, it is the unbound fraction of chemical (Cfree) which is able to diffuse across environmental interfaces and biological membranes. It is therefore Cfree which drives many important biological-environmental processes including contaminant transport, bioaccumulation and toxicity. Passive sampling devices (PSDs) offer a simplified and more accurate approach for...
Resource Type:: Dissertation
Full Text:: difficult times. To Blair Paulik, Carey Donald, Alan Bergman, Holly Dixon, Gary Points, Kevin Hobbie

Advances in Passive Sampling : Measuring Chemical Transport and Human Exposures

Creator:: Donald, Carey E.
Abstract:: Passive sampling devices have been used for decades to measure complex mixtures of bioavailable organic chemicals in a variety of environmental media. More recently passive sampler applications have expanded beyond monitoring chemical concentrations, and this dissertation continues to advance methods of passive sampling on many fronts. Despite their growing use,...
Resource Type:: Dissertation
Full Text:: all the ways you made me more efficient. Dr. Alan Bergmann, Holly Dixon, Pete Hoffman, Jamie

Applications of Silicone Wristbands to Improve Personal Chemical Exposure Assessment

Creator:: Dixon, Holly M.
Abstract:: Silicone wristbands are easy-to-wear passive samplers that have been readily adapted into environmental health studies since first reported in 2014. Wristbands can be worn during normal daily activities and sequester a wide range of bioavailable organic chemicals. This dissertation includes a thorough review of silicone wristband technology, as well as...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE DISSERTATION OF Holly M. Dixon

Assessing Exposures and Simplifying Complex Mixtures of SVOCs for Hazard Characterization using Alternative Model Systems

Creator:: Rivera, Brianna N.
Abstract:: Throughout their lifetime individuals are exposed to complex mixtures of chemicals. The study of chemical mixtures is an internationally recognized research priority, but seemingly complex challenge. To reduce the intricacy of studying mixtures, researchers have identified different prioritization methods based on exposure or the toxicity of chemicals. However, understanding the...
Resource Type:: Dissertation
Full Text:: Shankar, Lindsay Wilson, Matt Slattery, Yvonne Rericha, Lindsey St. Mary, and Emily Bonner I truly do

Beyond the 16 EPA priority pollutant PAHs : environmental characterizations of oxygenated PAHs and dibenzopyrene isomers

Creator:: Layshock, Julie
Abstract:: Polycyclic aromatic hydrocarbons (PAHs) with a molecular weight (MW) of 302 and oxygenated-PAHs (OPAHs) have demonstrated toxicity beyond that of frequently monitored and known carcinogenic PAHs. Airborne particulate matter (PM) was characterized for MW 302 isomers to evaluate risk and air quality indices and OPAHs in order to fill data...
Resource Type:: Dissertation
Full Text:: .; Tornqvist, M.; Victorin, K.; Westerholm, R., Cancer risk assessment, indicators, and guidelines for

Exploring Silicone Wristbands as Personal Passive Sampling Devices in a Disaster Scenario

Creator:: Samon, Samantha M.
Abstract:: Exposure assessment is necessary to determine the frequency and magnitude of environmental contaminants, especially since exposure may lead to adverse health outcomes. Traditional personal exposure assessment tools such as biological samples are limited in their ability to capture a wide range of chemical exposures from a single sample, and others...
Resource Type:: Dissertation
Full Text:: . Carolyn M. Poutasse, Dr. Holly M. Dixon, Dr. Diana Rohlman, Dr. Peter D. Hoffman Ricky Scott and Mike

From pesticide degradation products to legacy toxicants and emerging contaminants : novel analytical methods, approaches, and modeling

Creator:: Forsberg, Norman D.
Abstract:: Environmental toxicologists and public health officials are responsible for assisting in the identification, management, and mitigation of public health hazards. As a result, there is a continued need for robust analytical tools that can aid in the rapid quantification and characterization of chemical exposure. In the first research phase, we...
Resource Type:: Dissertation
Full Text:: reported in Chapter 3. A. Harding, K.A. Anderson, D. Stone, S. Harris, B. Harper, and K. Waters developed

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

Implications for Wildfire Health Recommendations and Remediation Strategies: Source, Fate and Risk of PAHs

Creator:: Ghetu, Christine, C.
Abstract:: (Polycyclic aromatic hydrocarbons) PAHs are widespread in the environment, and are derived from both natural and anthropogenic sources. The physicochemical properties of PAHs along with the wide range of PAH sources leads to their persistence in the environment. Since PAHs are ubiquitous, and have the potential to illicit adverse effects,...
Resource Type:: Dissertation
Full Text:: Wilson, Pete Hoffman, Mike Barton, Jessica Scotten, Jamie Minick, Holly Dixon, Carolyn Poutasse and

ScholarsArchive@OSU

‘Tis a Gift to be Simple : On Passive Sampling and Compatible Techniques for Reducing the Complexity of Environmental Mixtures

Advancement of Passive Sampling Applications for Assessing Contaminant Transport, Bioaccumulation, and Toxicity

Advances in Passive Sampling : Measuring Chemical Transport and Human Exposures

Applications of Silicone Wristbands to Improve Personal Chemical Exposure Assessment

Assessing Exposures and Simplifying Complex Mixtures of SVOCs for Hazard Characterization using Alternative Model Systems

Beyond the 16 EPA priority pollutant PAHs : environmental characterizations of oxygenated PAHs and dibenzopyrene isomers

Exploring Silicone Wristbands as Personal Passive Sampling Devices in a Disaster Scenario

From pesticide degradation products to legacy toxicants and emerging contaminants : novel analytical methods, approaches, and modeling

Human Exposure to PAHs in Air, Water, and Crayfish

Implications for Wildfire Health Recommendations and Remediation Strategies: Source, Fate and Risk of PAHs

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