The Iowa State University Digital Repository 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

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Browse Electronic Theses and Dissertations by Year of Completion

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Theses/Dissertations from 2020

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Exploring the personal, career, and academic growth of learning community peer mentors in the College of Agriculture and Life Sciences at Iowa State University, Sarah Ellen Orban

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Dog-friendly design: Exploring materials and finishes as they relate to dog ownership, Jamie Osmundson

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A situation-driven framework for relearning of activities of daily living in smart home environments, Oluwafemi Richard Oyeleke

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Effect of plastic and silty fines on the shear behavior and pore water pressure generation in sands, Nikheel Padhye

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Detection of bacterial pathogens in low moisture foods with Dual Immunological Raman-Enabled Crosschecking Test (DIRECT) and Raman mapping, Cheng Pan

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Electromagnetic modeling of vegetation canopy for retrieving soil moisture and vegetation optical depth, Jeil Park

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Intercropping and relay cropping to increase productivity, resilience, and long-term sustainability of corn and soybean cropping systems in Iowa, Swetabh Patel

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Long short-term memory (LSTM) neural network-based system identication and augmented predictive control of piezoelectric actuators, Mayur Shivaji Patil

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Modelling and optimal control of nanopositioning piezo stage, Tarun Pati

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Synthesis and catalytic activity of rare-earth and zinc alkyl complexes, Smita Patnaik

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Optimizing strategies to mitigate risk in a supply chain disruption, Steve Paul

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Exploring the responsibilities and tasks of apparel product developers, Meegan Payne

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Beyond knockouts: Applying precision genome editing for conditional mutagenesis innovation in zebrafish, Maira Pedroso de Almeida

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Service provider perceived barriers to addressing elder abuse: An elder abuse needs assessment, Louise Mary Peitz

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Comparison of fungicide application technology: Relationship between coverage and disease severity and the physiological impact of fungicides on grainfill, Andrew James Penney

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Physical activity and sedentary behavior in depression, Maria Perez

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Development of nanotherapeutics for the treatment of recalcitrant and antibiotic resistant infections, Nathan Drew Peroutka-Bigus

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Derivation of autothermal pyrolysis reaction kinetics, Chad Alan Peterson

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Combining synthesis, computation, and spectroscopy to investigate dicyanomethyl radical dimerization, Joshua Peterson

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Design and synthesis of photoactivated BODIPY dyes for photocaging and superresolution imaging with visible light, Julie Ann Peterson

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An investigation into the mechanism of action of xylanase in pigs fed insoluble corn-based fiber, Amy Leann Petry

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The implementation of a reading intervention during winter break and the role of parent involvement for children receiving special education services, Sherry Petty

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Puberty as a moderator on risk for psychopathology symptoms and autistic stereotypy exacerbation in adolescents with and without ASD, Jenny Mai Phan

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Detection of curbside storm drain from street level images using Faster R-CNN, Prabhakaran Pichaikutty

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Enhancing the knowledge of quick setting asphalt emulsion applications using systematic scientific and engineering approaches, Irvin Pinto

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Interaction forward selection in ultra-high-dimensional functional linear models, Rodrigo Plazola Ortiz

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Operational performance evaluation of traffic signals using big data analytics, Subhadipto Poddar

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3D printing and characterization of hydroxypropyl methylcellulose and methylcellulose for biodegradable support structures, Prashant Ramkrishna Polampally

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Classroom place: New Materialism as a way to view, discuss, and use the composition classroom, Michael Pounders

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Childcare as a barrier to completion of a short-term certificate training program: The role of the community college, community organizations, and the impact on local workforce needs, Erin Marie Powers Daley

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Surface nanotexture variations and applications using high repetition ultrashort laser, Faez Qahtani

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Efficient processing of vision kernels and deep neural networks on reconfigurable computing architectures, Murad Qasaimeh

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Relativistic bound states within Basis Light-Front Quantization, Wenyang Qian

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Understanding phenyloxenium ions: Spectroscopic properties, spin configurations and reactivities, Yunfan Qiu

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Intestinal stem cells with its applications, Yijun Qi

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The repeated-suspect effect: What is the effect of repeated identification attempts on eyewitness accuracy and the original memory for the culprit?, Adele M. Quigley-McBride

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Activity recognition and animation of activities of daily living, Mohammed Shaiqur Rahman

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Spreading information in social networks containing adversarial users, Madhavan Rajagopal Padmanabhan

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Numerical modeling of oil shale in-situ pyrolysis by radio frequency heating using a thermal – phase field – mechanical – electromagnetic (TPME) two-dimensional finite element method framework, Travis St. George Ramsay

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An implementation of the redirected learning architecture for digital pre-distortion, Aaron F. Ramsey

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Using Automatic Vehicle Location (AVL) for real-time maintenance identification and tracking, Varsha Ravichandra Mouli

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Experimental studies and simulation of laser ablation of high-density polyethylene films, Sandeep Kumar Ravi Kumar

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Eulerian models and kinetic theory closures for triboelectric charging in dense granular and gas-particle flows, Manjil Ray

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Statistical methods for digital image forensics: Algorithm mismatch for blind spatial steganalysis and score-based likelihood ratios for camera device identification, Stephanie Reinders

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Towards a federated approach to energy systems modeling, Zachary Reinhart

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Advanced manufacturing learning objective identification for an Industrial Technology program, Taylor Marie Reth

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Component analysis of fluid power hydraulics for self-propelled sprayer boom control, Jacob Rewerts

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Novel insights into a well-studied steroid hormone: The impacts of 20-hydroxyecdysone (20E) on mosquito immunity, Rebekah Ann Reynolds

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A framework for statistical and computational reproducibility in large-scale data analysis projects with a focus on automated forensic bullet evidence comparison, Kiegan Rice

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Financial literacy, health shocks, and household liquidity, Tamanna Afreen Rimi

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Assessing the relevance of Iowa State University's AG 450 Farm Management and Operation Course content based on industry, alumni, and student perspectives, Skyler Perry Rinker

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Family income trajectories and early child development: a latent class growth analysis, Quentin H. Riser

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Relation among ethnic studies courses and the reduction of explicit and implicit racial bias, Julio Rivas

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Proximities: Stories, Mike L. Robbins

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Building energy efficiency retrofit prioritization: A case study of the Iowa Army National Guard, Benjamin Robertson

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Influence of cereal rye spring termination timing and herbicide type on soil nitrate and litter composition, Rebecca Abbott Roberts

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A vision based DQN exploration algorithm for collision avoidance, Jeremy Roghair

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Role of manganese toxicity on endosomal trafficking, exosomal proteins and potential biomarkers identification for Parkinson's disease, Dharmin Devendrabhai Rokad

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Three essays on time pressure and sales technology, Mohammad Amin Rostami

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Expanding the bio-capabilities of Lactococcus lactis through efficient genome modification, Samuel Michael Rothstein

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Determining the effect of a variable rupture velocity on the generation of high-frequency ground motion during an earthquake, Kaitlyn Roxby

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Data driven complexity reduction of power system production cost models, Soummya Roy

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Accelerated repair and replacement of expansion joints, Kara Ruble

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Characterizing disease phenotype and its role in epidemic outcomes in a wild songbird, Rachel Morgan Ruden

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A multiple-pulse emplacement model for the Shonkin Sag laccolith, MT, Claire Elizabeth Ruggles

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The use of ultraviolet-C light to decontaminate materials frequently brought onto swine farms and a staged loading procedure to reduce frequency of contamination from livestock trailer to barn, Chelsea R. Ruston

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Characterization of student strengths, leadership domains and student perceptions on success, Saxon Ryan

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Adjustment criteria for recovering causal effects from missing data, Mojdeh Saadati

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Energy and performance evaluation of electricity-based processes at airport gates, Seyedmohammadsajed Sadati

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Technology experience: Postsecondary education exploration by non-native English-speaking immigrant parent, Emmanuel K. Saka

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CEO construal levels and firm innovation, Mehdi Samimi

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Our mortal world: Essays from a naturalist of the new nature, Keygan Summer Sands

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Energy-efficient technology retrofit investment behaviors of households in lower and higher income regions, Celso MauroNhanga dos Santos

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Lignin valorization via thermal deconstruction and catalytic hydrodeoxygenation, Alireza Saraeian

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Performance evaluation and benefit cost analysis of unpaved roads, Sajjad Satvati

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Land tenure, agri-environmental policy, and conservation practice use in Iowa, Wendiam Sawadgo

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Generation and optimization of fiber layup on curved composite structures, Nathan Scheirer

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Faculty behaviors predicting student satisfaction: A self-determination approach using basic psychological needs and academic motivation, Mary Schenkenfelder

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The effects of nicotinamide riboside on postprandial oxidative stress and vascular function, Isaac Joseph Schiff

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Gender, legislative experience, and party affiliation: Examining the relationship between state legislator attributes and funding for higher education, James Schiltz

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Feedback stabilized fluorescence microscope integrated with custom atomic force microscope for biological applications, Patrick Schmidt

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A systems pharmacology model to improve clinical outcomes in non-small cell lung cancer, Benjamin Karl Schneider

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Professional learning communities on phenomenon-based science pedagogy: Contrastive cases of urban elementary teachers, Stephanie Marie Schneider

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A mixed-methods approach toward promoting and evaluating the Congregate Meal Program in Linn County, Savannah Rae Schultz

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Certified crop advisers' intention to use smartphones for mobile learning, Thomas L. Schultz

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Aspen-dominated forest response to drought in the Lake States, Julia Kay Schwager

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Improving performance in an office environment via training the non-dominant hand on the computer mouse: A study of learning curve of the non-dominant hand and the bilateral transfer effect to the dominant hand, Drew Stephen Schweiger

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An eye on the dog as a translational model for ocular pharmacology, Lionel Sebbag

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The use of a self-affirmation intervention and group therapy to increase psychological help-seeking, Andrew Seidman

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Supporting the well-being of student veterans and service members: Contextual factors and self-determination, Matthew Timothy Seipel

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Combination nanoadjuvant-based vaccine against influenza virus for older adults, Sujata Senapati

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Optimization of N fertilization for hops (Humulus lupulus) in Iowa soils, Ashly Marie Senske

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A qualitative exploration of female Harley-Davidson apparel wearer's symbolic expression of identities through dress, Amy Jo Shane-Nichols

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Developing tools to study the clustering-based activation mechanisms of proline-rich tyrosine kinase 2, Shivani Sharma

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Data-driven approaches for battery state estimation and early cycle life prediction, Sheng Shen

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DeepARM: An airline revenue management system for dynamic pricing and seat inventory control using deep reinforcement learning, Syed Arbab Mohd Shihab

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Optimization-driven sampling for analyzing big data streams, Minghung Shih

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Preparation and characterization of recombinant plant chitinases, Samuel Oluwatoyin Shobade

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Structural behavior of frame piers subject to temperature and shrinkage effects, Cole R. Shurbert-Hetzel

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Heterosis, inbreeding depression and genetic divergence in maize, Fernando Silva Aguilar