Index Catalog // ScholarsArchive@OSU

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:: Abstract approved: ____________________________________________ Stacey L. Harper Numerous

Creator:: Bartow, Shannon M.
Abstract:: The rising demand on freshwater resources emphasizes the benefit of biogeochemical processes that maintain clean water by removing pollutants such as excess nitrogen. The most sensitive step in the removal of nitrogen from waterways is the oxidation of ammonia, a part of nitrification, which is carried out by ammonia oxidizing...
Resource Type:: Masters Thesis
Full Text:: nitrogen under section 303(d) of the Clean Water Act (EPA 1993). Jurisdictions with waters that exceed

Creator:: Surette, Mark C.
Abstract:: Engineered nanomaterials (ENMs) are small anthropogenic colloids with at least one length dimension <100 nanometers. Due to the nature of their use, ENMs are being increasingly released to the environment. Yet the environmental risks posed by ENMs are unknown due to a variety challenges, including limitations with detecting and quantifying...
Resource Type:: Dissertation
Full Text:: – SECOND MANUSCRIPT.........149 C. SUPPLEMENTARY INFORMATION – THIRD MANUSCRIPT.............172 D

Creator:: Deline, Alyssa R.
Abstract:: Metal oxide nanoparticles (MONPs) are manufactured at the greatest rate of any class of nanomaterial due to their wide variety of industrial, commercial, and environmental applications. The sustainable use of MONPs requires a balance of careful consideration of their potential negative environmental impacts with the effective exploitation of their unique...
Resource Type:: Dissertation
Full Text:: time and feedback they have provided to this work: Dr. Stacey Harper, Dr. Greg Herman, Dr. Brady

Creator:: Huizenga, Juliana M.
Abstract:: Aromatic hydrocarbons represent a large class of environmental contaminants that have a broad range of structures, physicochemical properties, and toxicities. Arising from the burning of organic matter, particularly fossil fuels, they are both widespread and abundant in all environmental compartments. Both monoaromatic hydrocarbons (BTEX) and polycyclic aromatic hydrocarbons (PAHs) are...
Resource Type:: Dissertation
Full Text:: . Stacey Harper, Tyler Radniecki, Sarah Rothenberg, and Susan Tilton for your support in my research and

Creator:: Schrlau, Jill E.
Abstract:: The ability of Mycobacterium sp. ELW1, a novel microbe capable of alkene oxidation, to co-metabolize phenanthrene (PHE) was studied. ELW1 was able to completely co-metabolize PHE, at different concentrations below its water solubility limit, in an aqueous environment. The alkene monooxygenases in ELW1, used to initiate oxidation of PHE, were...
Resource Type:: Masters Thesis

Creator:: Pike, Daniel J.
Abstract:: Nanoparticles are becoming increasingly important in numerous technological fields but evidence shows that they can be toxic to many organisms. To predict their fate and transport in the environment, nanoparticle attachment to naturally occurring colloids must be examined. This study investigated citrate-capped gold nanoparticle (Cit-AuNP) heteroaggregation with two model colloids...
Resource Type:: Masters Thesis
Full Text:: is important to acknowledge the assistance received from Dr. Stacey Harper and Dr. Christine Kelly

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