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Author:

Eigenbrode, Jennifer L

Title:

Late Archean Microbial Ecology: An Integration of Molecular, Isotopic, and Lithologic Studies

Graduate Program:

Earth Sciences

Keywords:

Precambrian
biomarkers
oxygen
bacteria
respiration
methylotrophy
carbon
Hamersley Province
hopanes
steranes
isoprenoids
sulfur
paleoenvironments
marine
anoxia

File:

Download thesis.pdf

Committee Members:

Katherine Haines Freeman, Committee Chair/Co-Chair
Christopher Howard House, Committee Member
Robert David Minard, Committee Member
Mark E Patzkowsky, Committee Member
Roger E Summons, Committee Member

Author:

Chorney, Andrew Philip

Title:

mechanisms of sulfur isotope fractionation during thermochemical sulfate reduction by amino acids: implications for the Mif-s record in archean rocks

Graduate Program:

Geosciences

Keywords:

sulfur
isotopes
TSR
Archean
MIF-S
mass independent
atmosphere evolution
oxygenation

File:

Download Masters_Thesis-Andrew_Chorney-edit1.pdf

Committee Members:

Hiroshi Ohmoto, Thesis Advisor/Co-Advisor
Matthew Scott Fantle, Thesis Advisor/Co-Advisor
Christopher Howard House, Thesis Advisor/Co-Advisor

Author:

Harman, Chester Ervin

Title:

Oxygen as a Biosignature on Terrestrial Planets

Graduate Program:

Geosciences

Keywords:

oxygen
sulfur
mass independent fractionation
false positive
Archean
atmospheric chemistry
planetary science

File:

Download Harman_dissertation_05312017.pdf

Committee Members:

James F. Kasting, Dissertation Advisor/Co-Advisor
James F. Kasting, Committee Chair/Co-Chair
Christelle Wauthier, Committee Member
Christopher Howard House, Committee Member
Steinn Sigurdsson, Outside Member

Author:

Wasilko, Nathan

Title:

Sulfur Acquisition by the Marine Bacterium Vibrio fischeri Promotes the Establishment of a Mutualistic Symbiosis

Graduate Program:

Biochemistry, Microbiology, and Molecular Biology

Keywords:

Vibrionaceae
sulfate assimilation
squid-vibrio
sulfur
symbiosis

File:

Download Wasilko_Thesis.pdf

Committee Members:

Timothy Iwao Miyashiro, Dissertation Advisor/Co-Advisor
Timothy Iwao Miyashiro, Committee Chair/Co-Chair
Ken Keiler, Committee Member
Kathleen Postle, Committee Member
Todd C Lajeunesse, Outside Member
James Gregory Ferry, Committee Member
Wendy Hanna-Rose, Program Head/Chair

Author:

Sanders, Zachary

Title:

Using Field and Model Data to Improve Sustainable Management of Carbon, Nitrogen, Phosphorus, and Sulfur in Agroecosystems of Central Pennsylvania

Graduate Program:

Soil Science

Keywords:

precision agriculture
variable rate fertilizer
soil carbon
soil organic matter
ecosystem modeling
soil nitrogen
sulfur
phosphorus
corn
soybeans

File:

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Committee Members:

John Spargo, Major Field Member
Cibin Raj, Outside Unit & Field Member
Charlie White, Chair & Dissertation Advisor
Armen Kemanian, Major Field Member & Dissertation Advisor
Bradley Cardinale, Program Head/Chair