Digital Repository @ Iowa State University provides open access to the full-text of many theses and dissertations completed at Iowa State University. From this page, you can either browse our theses and dissertations by academic department or by the year of completion.

Some Iowa State theses and dissertations are not eligible for open access. These may be accessible, with some restrictions, via ProQuest/UMI. On the ProQuest site, the full text of Iowa State's digital theses and dissertations can be viewed by members of the Iowa State community (current students, faculty, and staff) or individuals searching from Iowa State campus IP addresses. Others can view only the first 25 pages of a thesis or dissertation from Iowa State

Finally, some Iowa State theses and dissertations exist only in paper format. For more information, see How to find dissertations and theses through the Iowa State University Library, or contact your subject librarian.

Browse Electronic Theses and Dissertations by Academic Department

Browse by Year of Completion

College of Agriculture and Life Sciences
Agricultural and Biosystems Engineering
Agricultural Education and Studies
Agronomy
Animal Science
Biochemistry, Biophysics and Molecular Biology
Ecology, Evolution and Organismal Biology
Economics
Entomology
Food Science and Human Nutrition
Genetics, Development and Cell Biology
Horticulture
Natural Resource Ecology and Management
Plant Pathology and Microbiology
Sociology
Statistics

College of Business
Business

College of Design
Architecture
Art and Design
Art and Visual Culture
Community and Regional Planning
Graphic Design
Interior Design
Landscape Architecture

College of Engineering
Aerospace Engineering
Agricultural and Biosystems Engineering
Chemical and Biological Engineering
Civil, Construction and Environmental Engineering
Electrical and Computer Engineering
Industrial and Manufacturing Systems Engineering
Materials Science and Engineering
Mechanical Engineering

College of Human Sciences
Apparel, Events and Hospitality Management
Food Science and Human Nutrition
Curriculum and Instruction
Educational Leadership and Policy Studies
Human Development and Family Studies
Kinesiology
School of Education

College of Liberal Arts and Sciences
Anthropology
Biochemistry, Biophysics and Molecular Biology
Chemistry
Computer Science
Ecology, Evolution and Organismal Biology
Economics
English
Genetics, Development and Cell Biology
Greenlee School of Journalism and Communication
History
Mathematics
Physics and Astronomy
Political Science
Psychology
Sociology
Statistics

College of Veterinary Medicine
Biomedical Sciences
Veterinary Clinical Sciences
Veterinary Diagnostic and Production Animal Medicine
Veterinary Microbiology and Preventive Medicine
Veterinary Pathology

Interdisciplinary Majors and Programs
Bioinformatics and Computational Biology
Biorenewable Resources and Technology
Botany
Ecology and Evolutionary Biology
Environmental Science
Genetics
Gerontology
Human Computer Interaction
Immunobiology
Information Assurance
Information Systems
Microbiology
Molecular, Cellular and Developmental Biology
Neuroscience
Nutritional Sciences
Plant Biology
Seed Technology and Business
Sustainable Agriculture
Systems Engineering
Toxicology
Transportation

Browse Electronic Theses and Dissertations by Year of Completion

Browse by Academic Department

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Theses/Dissertations from 2015

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Shock wave induced freeform technique (SWIFT) for manufacturing of diamond micro-tools, Cheng Deng

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Hydrological impacts of microwatersheds in the Des Moines Lobe, Ligia De Oliveira Serrano

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Effects of tissue fixation on Raman spectroscopic characterization of retina, Shaowei Ding

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Digital classrooms, public profiles, Sara C. Doan

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Academic engagement of international students at community colleges: a culturally sensitive measurement model, Elena Nefedova Dodge

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Reproductive effects of pyrethroid use in beef cattle, Tyler Dohlman

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City of voices: a novel about ancient Tikal, Michelle Donahue

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Super-resolution and super-localization microscopy: a novel tool for imaging chemical and biological processes, Bin Dong

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Structural mechanisms of bacterial multidrug efflux pumps, their regulation, and implications for future research in silico, Sylvia Vu Do

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Designing for interactive eBooks: an evaluation of effective interaction elements in children’s eBooks, Karen Marie Doty

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Rational design and characterization of electron-deficient heterocycles for organic photovoltaic materials, Dana Lynn Drochner

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Application of analytic tools for materials selection, Pallavi Dubey

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Development of an online food safety training and pilot study for employees of university farms and school gardens, John Michael Dzubak

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Molecular characterization of human, bovine, and dolphin parainfluenza viruses: viral genome sequencing and epithelial cell signaling responses following in vitro infection, Kirsten Charlotte Eberle

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Rate control of a queue with quality-of-service constraint under bounded and unbounded action spaces, Abdolghani Ebrahimi

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Effects of alloying elements on the microstructure and fatigue properties of cast iron for internal combustion engine exhaust manifolds, David Jon Eisenmann

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Positivity in function algebras, Jason Ekstrand

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Gametophytic cross-incompatibility in maize: resequencing the Ga1 locus, Marianne Lynn Emery

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The effects of non-viscous, fermentable fibers on appetite and food intake in healthy adults, Christine Hutchison Emilien

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Effects of high and low velocity muscle contraction on myosin heavy chain mRNA and protein expression in conjunction with muscle performance in the elderly, Davis Englund

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Small area prediction based on unit level models when the covariate mean is measured with error, Andreea Luisa Erciulescu

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Source credibility and race: Black viewers’ responses to television news anchors, Pauli (Mayfield) Escobedo

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Textual silences and the (re)presentation of black undergraduate women in higher education journals: a critical discourse analysis, Kimberly Deion Everett

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Evaluation and optimization of photovoltaic cells comprised from benzodifuran and benzobisoxazole based polymers, Monique Donica Ewan

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Bison-mediated seed dispersal in a tallgrass prairie reconstruction, Peter Gregory Eyheralde

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The CO2 concentrating mechanism and nitrogen starvation effects under photoautotrophic culture conditions of Chlamydomonas reinhardtii studied by high throughput DNA sequencing technology, Wei Fang

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A multi-criteria decision framework for unstructured complex problem: a strategy for biofuel production, Mostafa Fady Fawzy

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Cellular changes in lipid metabolism in response to altered energy balance and heat stress in lactating dairy cows, Ma. Pia Pagkaliwagan Faylon

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Modeling and simulations of strain-induced phase transformations in materials under compression and compression-torsion in traditional and rotational diamond anvil cells, Biao Feng

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Designing, implementing, and evaluating an automated writing evaluation tool for improving EFL graduate students’ abstract writing: a case in Taiwan, Hui-Hsien Feng

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Self-assembly of biomineralization protein Mms6 and its function as a ferric iron reductase that associates with lipid membranes, Shuren Feng

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Use of NGS for discovery of viruses in the soybean aphid, Ying Feng

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Ancestral ties, civic structure and health in the United States, John Ferrell

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Biochar properties and impact on soil CO2 and N2O emissions, Rivka Brandt Fidel

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The impact of self-efficacy, stigma, subjective distress, and practical factors affecting clients' intent to "no-show", Kaitlyn J. Florer

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Analysis of the role of RNS2 and autophagy in the turnover of ribosomal RNA in Arabidopsis thaliana, Brice Edward Floyd

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Contributions to modeling spatially indexed functional data using a reproducing kernel Hilbert space framework, Daniel Clayton Fortin

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Analysis of co-crystallized free phytosterols with triacylglycerols as a functional food ingredient, Danielle Franchetti

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A longitudinal panel study of participants' attitudes and behaviors towards transdisciplinary science, Laura M. Frescoln

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artIfacs, Nicki Dean Friess

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Flammable deserts: understanding the impacts of fire on southwestern desert ecosystems of USA, Andres Hernan Fuentes Ramirez

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Power conversion techniques in nanometer CMOS for low-power applications, Wei Fu

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The effects of metacognitive strategy training on ESL learners' self-directed use of TED Talk videos for second language listening, Kelsey Gagen-Lanning

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Improving the quality of high alloy CA6NM stainless steel castings, Rubesh Ganesan

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Hybrid classification approach for imbalanced datasets, Tianxiang Gao

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Applying artificial neural networks to top-down construction cost estimating of highway projects at the conceptual stage, Brendon Joseph Gardner

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An initial matching and mapping for dense 3D object tracking in augmented reality applications, Timothy Daniel Garrett

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Effects of excess dietary protein on ovarian function of beef cows, Taylor Clair Geppert

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Validation and application of close-range photogrammetry to quantify ephemeral gully erosion, Karl Richard Gesch

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A bypass transition model based on the intermittency function, Xuan Ge

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Raffaelea spp. from five ambrosia beetles in the genera Xyleborinus and Cyclorhipidion (Coleoptera: Curcurlionidae: Scolytinae: Xyleborini), Yeganeh Gharabigloozare

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Improving the prediction of time-dependent effects on prestressed concrete bridges, Ebadollah Honarvar Gheitanbaf

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Model of distributed software development using system dynamics, Sourajit Ghosh Dastidar

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Does health-related fitness influence health status?, Hannah Marie Gibbs

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Genetic and physiologic analyses of soybean grain yields in water limited environments, Dawn Gibson

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Countering the parking lot attack: employing monopulse radar methods to detect and geo-locate RF targets operating in the 2.4 GHz ISM band, Daniel James Gieseman

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Organizational culture and personality type: relationship with person-organization fit and turnover intention, Ryan Giffen

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From international deployments to an Iowa community college: experiences of veterans who have made the transition, Seth David Gilbert

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The middle of somewhere: an exploration of rural women, communities of place, and college-going, Kathleen Erin Gillon

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Meeting student expectations in a quantity food production lab/simulated restaurant environment, Kathrine Marie Ginapp

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A numerical approach to the simulation of granular and multiphase flows, Ryan John Goetsch

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The identification of effectors of retinal cell fate determination through single cell transcriptomics, Jillian JoAnne Goetz

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Value-Driven Design of non-commercial systems through bargain modeling, Erik Daniel Goetzke

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Investigating relationships between educational technology use and other instructional elements using "big data" in higher education, Karly Good

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Development of light- and chemo-sensitive probes for biochemical methods, Pratik Pran Goswami

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Safety evaluation of roadway segments provided with Safety Edge in Iowa, Amrita Goswamy

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Anuran occupancy dynamics and an assessment of floodplain wetland distribution and hydrology in a Missouri River floodplain, Tyler John Grant

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Factors associated with puberty onset and reproductive performance of gilts, Kody Lane Graves

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Touch-screen tablet navigation and older adults: an investigation into the perceptions and opinions of baby boomers on long, scrolling home pages and the "hamburger icon", Linda Litchfield Griffen

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Development and optimization of biofilm based algal cultivation, Martin Anthony Gross

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Child nutrition program practices and self-efficacy of menu planners associated with meals for children with food allergy in California schools, Lynnelle J. Grumbles

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Diagram-based intelligent tutoring systems, Enruo Guo

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Labor supply and expenditures: econometric estimation from Chinese household data, Zizhen Guo

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Information systems in the 21st century: culture, agility and big data, Manjul Gupta

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Quantification of digestive utilization of dietary fiber from corn co-products in growing pigs, Néstor Augusto Gutiérrez Céspedes

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Factors that impact agricultural extension training programs for smallholder women farmers in Njombe District, Tanzania, Furaha Aydan Gwivaha

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Teacher perception of and experience with state mandated implementation of multi-tiered systems of support/response to intervention, Marcy Rose Hahn

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Understanding the use of tablet devices in the classroom when teaching a group of learners diagnosed with autism, Andrea Lynn Halabi

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Influence of heterocycle substitution in π-functional materials for organic photovoltaics, Benjamin James Hale

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Impact of historical science short stories on students’ attitudes and NOS understanding, Garrett Taylor Hall

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Impediments of implementing computer-based training for employees: perceptions of restaurant owners in a quick service restaurant (QSR) chain using a mixed methods approach, Richard E. Hall II

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Assessment of VLSI resources requirement for a sliced trusted platform module, Hala Mohammad Hamadeh

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Development of the Help-Seeker Stereotype Scale, Joseph Hugh Hammer

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A psychophysical study on the effect protective equipment has on contact sport athletes, Morgan Leigh Hampel

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Supplementation of laying-hen feed with annatto tocotrienols and impact of α-tocopherol on tocotrienol transfer to egg yolk and tocopherol and annatto tocotrienol distribution analysis in laying-hen body, Hannah Elisabeth Hansen

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Engineering properties of saturated and biogas desaturated sand, Seth Hansen

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Peace talks and two-level games, Iman Hasan

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On the determinants of internal armed conflict, Nicholas James Hasty

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Polyanhydride nanovaccine platform against bacterial pathogens, Shannon Lee Haughney

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The chronicles of agrimusic, Seth Hedquist

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Studies on electric power markets: preparing for the penetration of renewable resources, Deung-Yong Yong Heo

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Successes and challenges in the developmemt of baculovirus-based vaccines for swine influenza and porcine circovirus type 2b, Luis Alejandro Hernandez

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MEMS-compatible processes for fabricating nanostructures and their applications, Yuan He

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Quantifying residual forest structures following retention harvesting in northeast Minnesota using Landsat sensor data, Louis Hilgemann

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Synoptic analysis techniques for intrusion detection in wireless networks, Deanna Therese Hlavacek

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Mechanochemical synthesis of hydrogen-storage materials based on aluminum, magnesium and their compounds, Ihor Z. Hlova

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The effects of intersection collision warning systems on gap selection and stopping characteristics, Mitchell Lee Holtzman

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Essays on natural resources and labor economics, Mohammad Mainul Hoque

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An investigation of freeway standstill distance, headway, and time gap data in heterogeneous traffic in Iowa, Andrew Jeremy Houchin

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Computing axes of rotation for 4-axis CNC milling machine by calculating global visibility map from slice geometry, Guangyu Hou