Index Catalog // ScholarsArchive@OSU

A multiscale approach to bacterial adhesion

Creator:: Ostvar, Sassan
Abstract:: This work is an attempt to develop a simple physical description for the initial interactions between a bacterial cell and a substrate surface. This is done by adopting a view that regards bacterial surface biomolecules not as secondary and add-on contributors to the potential energy function that characterizes the overall...
Resource Type:: Masters Thesis
Full Text:: committee members Drs. Dorthe Wildenschild and Jeffrey Nason for their invaluable feedback and comments on

Spatial and Temporal Variability of Heavy Metals (Lead, Copper, and Zinc) in Stormwater, Moss, and Street Dust in Portland, OR

Creator:: Bauer, Sophia O. A.
Abstract:: Lead (Pb), copper (Cu), and zinc (Zn) are known to have detrimental effects on aquatic and terrestrial ecosystems, and to human health both in rural and urban areas. Heavy metal contamination enters stormwater by atmospheric deposition and by the collection of surface particles during overland flow. Stormwater runoff in urban...
Resource Type:: Masters Thesis
Full Text:: ABSTRACT OF THE THESIS OF Sophia O. A. Bauer for the degree of Master of Science in Water Resources

Sediment Deposition Characteristics in Shallow Saturation Excess Overland Flow with Application to Bioswales and Construction of a Novel Bioswale Design for Improved Contaminant Removal from Stormwater

Creator:: Wells, Jacqueline R.
Abstract:: Over the last two decades, urban stormwater management has grown to include green infrastructure, such as bioswales. These systems were primarily designed to mitigate hydraulic peaking during rainstorms but were also found to remove particulate and dissolved contaminants. However, little is known about the fate of these particulate contaminants after...
Resource Type:: Masters Thesis
Full Text:: Bioswales and Construction of a Novel Bioswale Design for Improved Contaminant Removal from Stormwater

The Influence of Stormwater Water Quality on the Adsorption of Copper and Zinc onto Five Different Sorbents

Creator:: Kanalos, Casey A.
Abstract:: Best Management Practices (BMP) are widely used as a method for stormwater volume control in urban areas to prevent an overload of water on receiving water bodies and treatment facilities. BMPs ability to treat stormwater has gone under critical review in the last few decades, and their performance varies both...
Resource Type:: Masters Thesis
Full Text:: Nason, and Dr. Gerrad Jones, thank you for being on my committee and I hope to make my defense a

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:: dissertation possible. Thank you so much to my committee members Dr. Jeffrey Nason, Dr. Tyler Radniecki, Dr

Binding of bacterial lipopolysaccharide by the cationic amphiphilic peptide WLBU2 at interfaces

Creator:: Ryder, Matthew P.
Abstract:: Passage of blood through a sorbent device for removal of bacteria and endotoxin by specific binding with immobilized, membrane-active, bactericidal peptides holds promise for treating severe blood infections. Peptide insertion in the target membrane and stable binding is desirable, while membrane disruption and release of degradation products to the circulating...
Resource Type:: Dissertation
Full Text:: . Dr. Nason has always been a source of great support and kindness, and is more committed to our

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:: members, Dr. Tyler Radniecki, Dr. Jeffrey Nason, Dr. Lewis Semprini, and Dr. Perry Hystad, I cannot

Effects of silver ions and nanoparticles on suspended cells and biofilms of Nitrosomonas europaea

Creator:: Barker, Leila Kelly
Abstract:: Silver nanoparticles are increasingly being incorporated into consumer products due to their broad-spectrum antimicrobial properties. The resulting influx of silver nanoparticles into wastewater may pose a threat to bacteria involved in biological wastewater treatment. Ammonia-oxidizing bacteria, which convert ammonia to nitrite in the first step of nitrification, are highly sensitive...
Resource Type:: Masters Thesis
Full Text:: into wastewater may pose a threat to bacteria involved in biological wastewater treatment. Ammonia

Characterization of the feedback between the instructor and student teams engaged in a virtual bioreactor laboratory project

Creator:: Whinnery, Jaynie L.
Abstract:: This thesis characterizes the feedback between the instructor and student teams engaged in a Virtual Bioreactor (VBioR) Laboratory Project. The project allows senior-level chemical, biological, and environmental engineering students to apply their developing knowledge and skills in an industrially situated process optimization project. Feedback is an important tool for instructors...
Resource Type:: Masters Thesis
Full Text:: . Title: Characterization of the Feedback between the Instructor and Student Teams Engaged in a Virtual

Removal of E. coli with alternative media Biosand filters

Creator:: Fulton, Nathan J.
Abstract:: When Biosand filters cannot be constructed with crushed quarry rock due to resource limitations, a suitable alternative filter media is needed. In this research, two crushed quarry rock alternatives were examined. Three bench-scale Biosand filters with crushed rock, beach sand, and heat-treated beach sand media were simultaneously dosed with Willamette...
Resource Type:: Masters Thesis
Full Text:: limitations, a suitable alternative filter media is needed. In this research, two crushed quarry rock

ScholarsArchive@OSU

A multiscale approach to bacterial adhesion

Spatial and Temporal Variability of Heavy Metals (Lead, Copper, and Zinc) in Stormwater, Moss, and Street Dust in Portland, OR

Sediment Deposition Characteristics in Shallow Saturation Excess Overland Flow with Application to Bioswales and Construction of a Novel Bioswale Design for Improved Contaminant Removal from Stormwater

The Influence of Stormwater Water Quality on the Adsorption of Copper and Zinc onto Five Different Sorbents

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

Binding of bacterial lipopolysaccharide by the cationic amphiphilic peptide WLBU2 at interfaces

Novel Approaches to Evaluate the Environmental Impacts of Nanomaterials

Effects of silver ions and nanoparticles on suspended cells and biofilms of Nitrosomonas europaea

Characterization of the feedback between the instructor and student teams engaged in a virtual bioreactor laboratory project

Removal of E. coli with alternative media Biosand filters

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