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Anaerobic Dehalogenation of Trichloroethene by Encapsulated Dehalococcoides mccartyi

Creator:: Lukens, Eileen P.
Abstract:: Chlorinated aliphatic hydrocarbons (CAHs) like trichloroethene (TCE) were mostly used to replace drying cleaning fluids which contained hydrocarbons like benzene, and were highly flammable. Through improper disposal, storage, and spills, TCE and its downstream products, like cis-dichloroethene (cDCE) and vinyl chloride (VC), leached into groundwater and threaten human and environmental...
Resource Type:: Honors College Thesis
Full Text:: : _____________________________________________________ Lewis Semprini Chlorinated aliphatic hydrocarbons (CAHs) like trichloroethene (TCE) were

Kinetic analysis of the aerobic degradation of chlorinated ethenes by the mycobacterium ELW-1 and chlorinated ethanes and ethenes by rhodococcus rhodochrous ATCC® 21198™

Creator:: Rich, Stephanie L.
Abstract:: Bioremediation of chlorinated ethenes by the augmentation of contaminated soils with microorganisms is a proposed method of reducing contaminant concentrations in groundwater. To determine the viability of using ELW-1 or R. rhodochrous for groundwater remediation, kinetic analyses of transformation rates must be performed. The focus of this research was to...
Resource Type:: Honors College Thesis
Full Text:: follows in Equation 1: = = −𝑘 𝑆 (1) where 𝑆 is the liquid substrate concentration (mg/L), 𝑘

A Needs Assessment Survey of Small Farmers in Oregon's Mid-Willamette Valley

Creator:: Wever, Erin L.
Abstract:: OSU Extension provides important educational services to members of the agricultural community. Programming options can be guided by needs assessment surveys, which are used to determine gaps in knowledge and understanding for communities. The objective of this study was to develop and execute a survey to gather information on: 1)...
Resource Type:: Honors College Thesis
Full Text:: + % o f Sm al l F ar m er s Acres Acreage (Production) Acreage in Production Figure

Including Elementary Students in the Functional Behavior Assessment – Behavior Intervention Process

Creator:: Place, Samantha L.
Abstract:: The present study seeks to develop a functional behavior assessment interview (FBAI) that would allow elementary aged students to participate in the assessment process. In particular, the assessment will address if elementary students are able to accurately predict the causes of their problem behaviors and identify when they are likely...
Resource Type:: Honors College Thesis
Full Text:: . Journal of Applied Behavior Analysis, 27(1), 7-19. Kern, L., Dunlap, G., Clarke, S., & Childs, K.E

Effect of acupuncture on somatic cell count, milk ion conductivity, and milk serum enzyme concentrations in dairy cattle with subclinical mastitis

Creator:: Ryan, Elise L.
Abstract:: The objective of this research was to determine if acupuncture can reduce bovine mammary inflammation. Lactating cows at the Oregon State University Dairy Research Center were selected based on Dairy Herd Improvement Association reports indicating a SCC >500,000 cells/mL. A California Mastitis Test (CMT) score of greater than one was...
Resource Type:: Honors College Thesis
Full Text:: _____________________________________________________________________ Larissa Lewis, Committee Member, representing Animal and Rangeland Sciences

Influence of Corexit 9500A and Alaska North Slope Crude oil toxicity to the ammonia-oxidizing bacteria, Nitrosomonas europaea, and the ammonia-oxidizing archaea, Nitrosopumilus maritimus

Creator:: Schneider, Margaret C.
Abstract:: The inhibitory effects of Corexit 9500A, Alaska North Slope Crude oil (ANSC), and mixtures of the two on the ammonia-oxidizing bacteria, Nitrosomonas europaea, and the ammonia-oxidizing archaea, Nitrosopumilus maritimus, were investigated. Corexit 9500A was found to be minimally toxic to both microorganisms with concentrations of 2000 and 3000 ppm yielding...
Resource Type:: Honors College Thesis
Full Text:: Abstract Approved: _________________________________________________ Lewis Semprini The

Correlation of NE 1545 expression and cell size in Nitrosomonas europaea exposed to a suite of aromatic hydrocarbons

Creator:: Gilroy, Caslin Anne
Abstract:: Ammonia oxidizing bacteria, including Nitrosomonas europaea, are inhibited by aromatic hydrocarbons which can be found in wastewater treatment plants. In recent studies, changes have been observed in N. europaea cell size upon exposure to benzene, but not toluene. Additionally, NE 1545, a gene proposed to be involved in fatty acid...
Resource Type:: Honors College Thesis
Full Text:: : __________________________________________________________ Lewis Semprini Ammonia oxidizing bacteria, including Nitrosomonas europaea, are

Transient Electron Donor Concentration Experiments for the Determination of Dehalogenation Rate and Kinetic Parameter Shifts in an Anaerobic Microbial Culture

Creator:: Green, Jennifer K.
Abstract:: Trichloroethene (TCE) is a common groundwater contaminant. Bioremediation, or the enhancement of natural microbial processes for the transformation of toxic compounds in soil and groundwater, is an effective solution to this widespread problem. The organisms that transform TCE in the subsurface are sensitive to environmental conditions, especially to the presence...
Resource Type:: Honors College Thesis
Full Text:: = ⎛ ⎞ + +⎜ ⎟⎜ ⎟ ⎝ ⎠ m z L z Lz L y S z L z I y k XC VdM dt C K C K (8) Berggren accounted for partitioning

Encapsulation of Rhodococcus rhodochrous ATCC 21198 in gellan gum at high densities and with a slow-release substrate for the in-situ bioremediation of contaminant mixtures from groundwater

Creator:: Williams, Gillian R.
Abstract:: As access to potable water grows scarce, there is an increasing reliance on alternative drinking water sources, namely groundwater (WHO, 2018). Chlorinated solvents, such as 1,1,1-trichloroethane (TCA) and 1,2-cis-Dichloroethene (cisDCE) are some of the most ubiquitous groundwater contaminants spread throughout the US. 1,4-dioxane (1,4D) was used primarily in the late...
Resource Type:: Honors College Thesis
Full Text:: :_____________________________________________________ Dr. Lewis Semperini As access to potable water grows scarce, there is an increasing

Protection of Nitrosomonas europaea from Silver Nanoparticle-Induced Inhibition through a Two-Step, Magnesium-Facilitated Mechanism

Creator:: Anderson, Joseph W.
Abstract:: The inhibitory effects of (Ag⁺) and silver nanoparticles (Ag NP) 3-5 nm in diameter (stabilized with polyvinylpyrrolidone (PVP)) and 20 nm (stabilized with citrate) on nitrification rates of the model ammonia-oxidizing bacteria (AOB) Nitrosomonas europaea were investigated. Experimental solutions contained HEPES buffer and ammonia (NH₃) in the presence and absence...
Resource Type:: Honors College Thesis
Full Text:: : ________________________________________________________ Lewis Semprini The inhibitory effects of (Ag + ) and silver

ScholarsArchive@OSU

Anaerobic Dehalogenation of Trichloroethene by Encapsulated Dehalococcoides mccartyi

Kinetic analysis of the aerobic degradation of chlorinated ethenes by the mycobacterium ELW-1 and chlorinated ethanes and ethenes by rhodococcus rhodochrous ATCC® 21198™

A Needs Assessment Survey of Small Farmers in Oregon's Mid-Willamette Valley

Including Elementary Students in the Functional Behavior Assessment – Behavior Intervention Process

Effect of acupuncture on somatic cell count, milk ion conductivity, and milk serum enzyme concentrations in dairy cattle with subclinical mastitis

Influence of Corexit 9500A and Alaska North Slope Crude oil toxicity to the ammonia-oxidizing bacteria, Nitrosomonas europaea, and the ammonia-oxidizing archaea, Nitrosopumilus maritimus

Correlation of NE 1545 expression and cell size in Nitrosomonas europaea exposed to a suite of aromatic hydrocarbons

Transient Electron Donor Concentration Experiments for the Determination of Dehalogenation Rate and Kinetic Parameter Shifts in an Anaerobic Microbial Culture

Encapsulation of Rhodococcus rhodochrous ATCC 21198 in gellan gum at high densities and with a slow-release substrate for the in-situ bioremediation of contaminant mixtures from groundwater

Protection of Nitrosomonas europaea from Silver Nanoparticle-Induced Inhibition through a Two-Step, Magnesium-Facilitated Mechanism

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