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Filtering by: Creator Gibbs, Summer L. Remove constraint Creator: Gibbs, Summer L. Degree Field Chemical Engineering Remove constraint Degree Field: Chemical Engineering Non-Academic Affiliation Oregon State University. Honors College Remove constraint Non-Academic Affiliation: Oregon State University. Honors College

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Comparison and Cultural Review of Biosphere Modeling Using Foliar Uptake of Technetium-99 in Radishes

Creator:

Pierson, Kayla L.

Abstract:

Biosphere models predict the transport of radionuclides in the environment with an end goal of assessing the possible risk to humans. Little data exists to support these mathematical biosphere models. The objectives of this work were to verify foliar uptake in biosphere models using experimental data, compare existing biosphere models...

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Honors College Thesis

Full Text:

Modeling Using Foliar Uptake of Technetium-99 in Radishes by Kayla L. Pierson A THESIS
Synthesis of gold nanoparticle surfactants and their self-assembly at oil-water interfaces

Creator:

Truong, Mitchell

Abstract:

Amphiphilic gold nanoparticle surfactants can self-assemble at oil-water interfaces to form stable Pickering emulsions. These nanoparticle surfactants have previously been synthesized by functionalizing gold nanoparticles with thiol terminated polyethylene glycol (PEG-thiol), and subsequently with an alkane-thiol. It is necessary to improve the bio-compatibility of the nanoparticles if they are to...

Resource Type:

Honors College Thesis

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to be used in medical applications. The amino acids L-Cysteine and L- Methionine are already
Comparison of Experimentally-determined and Model-estimated Attachment Efficiency for Predicting Nanoparticle Aggregation

Creator:

Kennard, Jasmin J.

Abstract:

The widespread use of engineered nanoparticles (ENPs) in industrial applications and consumer products makes their release to the environment inevitable. Understanding the aggregation behavior of ENPs is crucial to understanding their fate, transport and toxicology in aquatic systems. This study investigated the comparability of experimentally-determined and model-estimated attachment efficiencies for...

Resource Type:

Honors College Thesis

Full Text:

coagulation concentration for KCl with 25 mg L-1 hematite colloids is approximately 33 mM. Rates of
Analysis of Chemical Leaching from Common Consumer Plastic Bottles Under High Stress Conditions

Creator:

Dornath, Paul John

Abstract:

There has been much controversy in recent years over the leaching of chemicals from plastic water bottles. In this study, two of the most common plastics used in water bottles, polyethylene terphthalate (PETE) and polycarbonate (PC) were studied. The leaching of the chemical bisphenol-A (BPA) from polycarbonate (Nalgene ™, Camelback...

Resource Type:

Honors College Thesis

Full Text:

exposed to sunlight for three months during the summer. Small amounts of the plasticizer DEHP were found
A Model of Mesodinium Rubrum Blooms in the Columbia River Estuary

Creator:

Sherry, Elisabeth J.

Abstract:

Every year in the late summer, patches of the Columbia River estuary begin to turn red. These patches are blooms of mixotrophic ciliates (Myrionecta rubra or Mesodinium rubrum/major) (MR) that ingest the chloroplast of their prey, the cryptophytes (CR) Teleaulax amphioxeia (Peterson et al., 2013), and use the acquired organs...

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Honors College Thesis

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Yvette H. Spitz Every year in the late summer, patches of the Columbia River estuary begin to turn red
Design of a Green Microbial Fuel Cell for Soft Robotics

Creator:

Van Volkenburg, Tessa

Abstract:

This work introduces the design and fabrication of a green-sourced and mostly biodegradable microbial fuel cell for use in soft robotic applications from environmental sensing to wastewater remediation. Theorized from other biodegradable fuel cells, this prototype achieved maximum power densities of 4.0 x 10−4 W/m2 in the single-chambered design and...

Resource Type:

Honors College Thesis

Full Text:

voltage can be determined by evaluating the Gibbs free energy of the half cell reactions. ∆Gr = ∆G 0 r
Metabolomic Analysis of Oregon Coast Sediment Pore Waters using Ultrahigh Resolution Mass Spectrometry

Creator:

Merlo, James B.

Abstract:

One of the principal drivers of climate change is the concentration of greenhouse gases such as CO2 in the atmosphere. A large portion of this CO2 ends up in the waters off the continental coasts where it transforms into biomass. The major sink for this matter is the ocean sediments...

Resource Type:

Honors College Thesis

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metric to help link the Gibbs Energy of the oxidation reaction to its nominal oxidation state of carbon
Langmuir-Pockels Trough with Double Wall Couette for Measuring Interfacial Rheology of Insoluble Surfactants

Creator:

Turner, Christine

Abstract:

Insoluble surfactants are unique molecules that have the ability to manipulate interfacial properties, becoming useful in numerous applications such as detergents, wetting agents, emulsifiers, foaming agents, dispersants, and more. Interfacial rheology is a field that attempts to characterize the flow properties of insoluble surfactants by exerting a stress on the...

Resource Type:

Honors College Thesis

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) is lifted and lowered by a balance (L) operated by a hand pulley (W)” [11]. 18 Blodgett
Solvent and Dispersion Effects on the Hydrodeoxygenation of Acetic Acid on a Pd(111) Model Surface

Creator:

Rebarchik, Michael A.

Abstract:

Increased dependence on fossil fuels and concerns of anthropogenic climate change have led to increased interest in alternative energy sources. Liquid fuels derived from renewable raw materials have gained attention in recent years due to their similarity to petroleum-based fuels. Biofuels derived through hydrodeoxygenation have been found to be one...

Resource Type:

Honors College Thesis

Full Text:

) CH4, (i) H, (j) H2O, (k) OH, and (l) CH3CH3 All saturated species such as CH3COOH, CO2, and CH4
The Development and Implementation of Interactive Virtual Laboratories

Creator:

Bowen, Alec S.

Abstract:

The Interactive Virtual Laboratories (IVLs) are a series of two-dimensional simulations designed to help students conceptually learn difficult concepts in thermodynamics. Three studies were performed to help elucidate how the IVLs affect student learning. In the first study, eight students were observed while completing one of the IVLs. The students...

Resource Type:

Honors College Thesis

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Rochefort, Skip5
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Auyeung, Nicholas J.1
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Chemical Engineering[remove]26
International Studies1

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Honors Bachelor of Science (H.B.S.)26
Honors Bachelor of Arts (H.B.A.)1

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Oregon State University. Honors College[remove]26

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Acetic acid1
DFT1
Fuel cells1
Gas chromatography -- Industrial applications1
Hydrodeoxygenation1
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