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Cometabolism of Chlorinated Ethenes by Burkholderia vietnamiensis G4 Grown on Aromatic Substrates: Resting and Co-encapsulated Cell Kinetic Tests

Creator:: Saito, Alyssa M.
Abstract:: The cometabolic ability of Burkholderia vietnamiensis G4 grown on aromatic substrates was first assessed by resting suspended cells, and subsequently for cells encapsulated with and without slow release compounds (SRCs). In Chapter 3, benzyl alcohol was assessed as a food-grade growth substrate for promoting cometabolism of trichloroethene (TCE), via the...
Resource Type:: Masters Thesis
Full Text:: . Mohammad Azizian for serving on my committee. In particular, I want to thank Mohammad for being an

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:: _____________________________________________________________________ Mohammad Azizian, Committee Member, representing School of Chemical, Biological, and

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:: _____________________________________________________________________ Mohammad Azizian, Committee Member, representing Environmental Engineering

Aerobic Cometabolism of cis-Dichloroethylene, 1,1,1-Trichloroethane, and 1,4-Dioxane by Polyvinyl Alcohol/Sodium Alginate Hydrogel Beads that Co-Entrapped Rhodococcus rhodochrous Strain ATCC 21198 and Slow-Release Growth Substrates: Column Studies

Creator:: Bailey, Kestrel
Abstract:: CisCis-Dichloroethylene (ciscis-DCE), 1,1,1-Trichloroethane (1,1,1-TCA), and 1,4-Dioxane (1,4-D) are chlorinated solvents used as solvents and degreasers in industrial cleaning agents that have become common groundwater contaminants. To develop an effective treatment method for these compounds, polyvinyl alcohol (PVA) and sodium alginate (SA) hydrogel beads were co-entrappcapsulated with Rhodococcus rhodochrous Strain ATCC...
Resource Type:: Masters Thesis
Full Text:: interests. To Dr. Mohammad Azizian, you have played a critical role in my success, and it would be remiss

Aerobic Cometabolism of 1,4-Dioxane and cis-Dichloroethylene by Gellan Gum and Polyvinyl Alcohol/Sodium Alginate Hydrogel Beads Co-Encapsulated with Rhodococcus rhodochrous Strain ATCC 21198 and Slow-Release Growth Substrates: Batch, Column, and Toxicity Studies

Creator:: Conway, Sean P.
Abstract:: 1,4-Dioxane (dioxane) and cis-dichloroethylene (cDCE) are compounds commonly found in industrial cleaning and degreasing agents that are frequently present as groundwater contaminants. In an effort to develop a more effective treatment method for these compounds, hydrogel beads were fabricated with either gellan gum or a combination of polyvinyl alcohol (PVA)...
Resource Type:: Masters Thesis
Full Text:: ACKNOWLEDGEMENTS I would like to start out by thanking Dr. Lew Semprini and Dr. Mohammad Azizian for their

Cometabolism of 1,4-Dioxane and Chlorinated Aliphatic Hydrocarbons by Rhodococcus rhodochrous ATCC 21198 and Coencapsulated with a Slow-Release Substrate in Microcosm and Column Studies

Creator:: Bealessio, Alisa D.
Abstract:: Mixtures of 1,4-dioxane (1,4-D) and chlorinated aliphatic hydrocarbons (CAHs) are common and hazardous groundwater contaminants that can be challenging to address with traditional remediation strategies. Bioremediation through aerobic cometabolism has the potential to be an effective in-situ treatment strategy for these contaminants. Rhodococcus rhodochrous strain ATCC 21198 is capable of...
Resource Type:: Masters Thesis
Full Text:: this thesis would have been impossible without the advice and expertise of Dr Mohammad Azizian who

Cometabolism of 1,4-Dioxane and Chlorinated Aliphatic Hydrocarbons by Pure Cultures of Rhodococcus rhodochrous 21198 and Mycobacterium ELW1 and in Groundwater Microcosms Fed Isobutane and Isobutene as Growth Substrates

Creator:: Krippaehne, Krysta J.
Abstract:: 1,4-dioxane and chlorinated aliphatic hydrocarbons (CAHs) such as trichloroethylene (TCE) and 1,1-dichloroethene (1,1-DCE) are hazardous compounds commonly found in soil and groundwater. Bioremediation through aerobic cometabolism is a potential option for the remediation of these contaminated sites. The purpose of this study was to examine the use of different primary...
Resource Type:: Masters Thesis
Full Text:: the more enjoyable. I would also like to thank my committee members, Dr. Mohammad Azizian, Dr

Kinetic and molecular effects of sulfate reduction on a dechlorinating culture under chemostat growth conditions

Creator:: Berggren, Dusty Rose V.
Abstract:: Chlorinated ethenes are common groundwater contaminants that may be treated through in-situ bioremediation. Relationships between the reducing environment, available electron donors and acceptors, reaction kinetics, and microbial community composition must be further understood to successfully engineer remediation schemes in the complex subsurface environment. This thesis work investigated the effect of...
Resource Type:: Masters Thesis
Full Text:: of Mohammad Azizian, who tirelessly sustained the analytical equipment and chemostat reactors. His

Bioaugmentation of Pure and Enriched Cultures Fed Multiple Primary Substrates to Aerobically Cometabolize a Mixture of Chlorinated Solvents and 1,4-dioxane in Microcosms Containing Groundwater from a Department of Defense Site

Creator:: Laurance, Jon C.
Abstract:: Chlorinated solvents are common groundwater pollutants that often exist as mixtures resulting from the use of multiple solvents and their transformation into chlorinated daughter products. These sites are often co-contaminated with the solvent stabilizer 1,4-dioxane (1,4-D), which is not treated by traditional chlorinated solvent remediation techniques. Both 1,4-D and chlorinated...
Resource Type:: Masters Thesis
Full Text:: . Azizian. The analytical work in this thesis would not be possible without your guidance. I appreciate

Co-Encapsulation of Slow Release Substrates and Microbial Cultures in Alginate and Gellan Gum Beads to Promote the Co-metabolic Transformation of 1,4-Dioxane and Chlorinate Aliphatic Hydrocarbons

Creator:: Rasmussen, Mitchell T.
Abstract:: Methods were developed for the co-encapsulation of slow release compounds (SRC) with viable microbial cells in alginate and gellan gum hydrogel beads, for the in-situ aerobic cometabolic treatment of groundwater contaminated with mixtures of 1,4-dioxane and chlorinated aliphatic hydrocarbons, which will be referred to as contaminants of concern (CoC). The...
Resource Type:: Masters Thesis
Full Text:: to make things work. Dr. Mohammad Azizian was also very influential throughout my time at OSU

ScholarsArchive@OSU

Cometabolism of Chlorinated Ethenes by Burkholderia vietnamiensis G4 Grown on Aromatic Substrates: Resting and Co-encapsulated Cell Kinetic Tests

Anaerobic Dehalogenation of Trichloroethene by Encapsulated Dehalococcoides mccartyi

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

Aerobic Cometabolism of cis-Dichloroethylene, 1,1,1-Trichloroethane, and 1,4-Dioxane by Polyvinyl Alcohol/Sodium Alginate Hydrogel Beads that Co-Entrapped Rhodococcus rhodochrous Strain ATCC 21198 and Slow-Release Growth Substrates: Column Studies

Aerobic Cometabolism of 1,4-Dioxane and cis-Dichloroethylene by Gellan Gum and Polyvinyl Alcohol/Sodium Alginate Hydrogel Beads Co-Encapsulated with Rhodococcus rhodochrous Strain ATCC 21198 and Slow-Release Growth Substrates: Batch, Column, and Toxicity Studies

Cometabolism of 1,4-Dioxane and Chlorinated Aliphatic Hydrocarbons by Rhodococcus rhodochrous ATCC 21198 and Coencapsulated with a Slow-Release Substrate in Microcosm and Column Studies

Cometabolism of 1,4-Dioxane and Chlorinated Aliphatic Hydrocarbons by Pure Cultures of Rhodococcus rhodochrous 21198 and Mycobacterium ELW1 and in Groundwater Microcosms Fed Isobutane and Isobutene as Growth Substrates

Kinetic and molecular effects of sulfate reduction on a dechlorinating culture under chemostat growth conditions

Bioaugmentation of Pure and Enriched Cultures Fed Multiple Primary Substrates to Aerobically Cometabolize a Mixture of Chlorinated Solvents and 1,4-dioxane in Microcosms Containing Groundwater from a Department of Defense Site

Co-Encapsulation of Slow Release Substrates and Microbial Cultures in Alginate and Gellan Gum Beads to Promote the Co-metabolic Transformation of 1,4-Dioxane and Chlorinate Aliphatic Hydrocarbons

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