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.

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Theses/Dissertations from 2020

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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

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Inhibition of the CmeABC efflux pump by antisense peptide nucleic acids reduces the emergence of spontaneous fluoroquinolone resistant mutants in Campylobacter jejuni, Kritika Singh

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Attack resilient algorithms and testbed federation for wide-area protection and control in smart grid, Vivek Kumar Singh

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An honorable problem: A case study in the pursuit of honor in the antebellum and Civil War South, Kelsey Joann Sissel

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Influence of phosphorus fertilization and no-tillage on maize and soybean root morphology and rhizosphere nutrients dynamics, Tomas Javier Sitzmann

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Global migration and multicultural environments: Integrating design systems to facilitate cultural hybridization, Akshaya Sivasankar

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Evaluation of the nutrition education for limited resource audiences in Iowa, Amanda Jean Skalka

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Does contextual information improve the detection of deceptive behavioral cues?, Kristen Alicia Slapinski

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Using virtual reality as a platform for developing mental models of industrial systems, Robert Joseph Slezak

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Influence of muzzle gases on blood droplet backspatter, Nathaniel D. Sliefert

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Re-examining the relationships among families of Pectinoidea and molecular machinery of the visual cycle in molluscs, Garrett Dalton Smedley

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Student achievement in inclusive science classrooms, Gabrielle Kathleen Smithman

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Deep learning for land cover classification and environmental analysis using high-resolution remote sensing data, Vitor Souza Martins

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Automated analysis and indexing of lecture videos, Gayathri Sreepathy

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Thermal aging studies and lifetime prediction of commercial filled Ethylene Propylene Rubber (EPR) cable insulation, Aishwarya Sriraman

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Physical disturbance as a non-chemical approach to control weevils in stored maize, Mike Sserunjogi

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Genome-wide discovery of gene regulatory networks in the midgestation mouse placenta, Rebekah Starks

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Emotional intelligence competencies for success in early hospitality careers, Erich Steinbock

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All the places I wish I died, Crystal Stone

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Repeatability of diagnostic real-time PCR and sequencing at various concentrations within different sample matrices, Nicholas Streauslin

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A multi-layered desires based framework to detect evolving non-functional requirements of users, Peng Sun

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Measuring provitamin A carotenoids and their retinyl ester bioconversion products using high-performance liquid chromatography coupled with high-resolution mass spectrometry: Application to bioavailability studies in humans, SiewDin Sun

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Effect of gender difference and survey design in a tool usability testing, Yijia Sun

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The impact of Terminal Inverted Repeat (TIR) transposable elements on plant genomes, Weijia Su

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A device for sensing and balance augmentation using functional electrical stimulation, Nazita Taghavi

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Physical-layer secrecy and privacy of wireless communication, Hien Quang Ta

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Transfer of suprasegmental improvements to novel sentences and segmental accuracy using real time audiovisual pitch training, April Tan

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Algebraic approaches for coded caching and distributed computing, Li Tang

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Relativistic bound states on the light front, Shuo Tang

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Fabrication of advanced electrochemical capacitors with higher energy density, Xiaohui Tang

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Analysis of dispersed multiphase flow using fully-resolved direct numerical simulation: Flow physics and modeling, Vahid Tavanashad

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The molecular mechanisms of the bacteriophage T4-Mre11/Rad50 (gp46/gp47) DNA repair complex, Tibebe Antonios Teklemariam

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Verification of a quantitative model to characterize granular flow - A measure of mixing of grain layers, Heather Hadassah Tenboer

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Using Portuguese stalagmites to constrain Holocene arid and humid intervals and drivers of regional hydroclimate, Diana Lynn Thatcher

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“Why have I never learned this?”: Exploring health disparities through a critical consciousness lens, Tyanez Carol Thomas Jones

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An experimental study of debris-bed friction during glacier sliding, Anna Carrie Thompson

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Plus-size men: Perceptions of available clothing and models used to market the clothing, Melissa Lynne Thompson

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A multi-proxy reconstruction of sea ice extent and primary productivity during Marine Isotope Stage 11 in the Bering Sea, Natalie Sarah Thompson

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Effects of combining two-step weaning with a short-term creep feeding period on preweaning calf and cow performance and post-weaning performance, health, and productivity, Kendi Elise Tjardes

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Evaluation of Porcine Reproductive and Respiratory Syndrome and mitigating impact on nursery pigs, Blaire Elizabeth Todd

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Using SMAP and SMOS vegetation optical depth to measure crop water in vegetation, Kaitlin Togliatti

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Exploring validation and expectations among community college transfer students, Kristin Towers

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Improvement of monitoring and surveillance systems for porcine reproductive and respiratory syndrome virus in the United States swine industry, Giovani Trevisan

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Statistical assessment of mobilized shear strength of stiff-fissured clays, Yuderka Trinidad Gonzalez

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Discovery and translation of genetic resistance to soybean cyst nematode, Haley Trumpy

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A process and investigation into the influence of cast surface condition on fatigue life, Jeffrey Alan Tscherter

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Perceptions of professional titles: A mixed methods study of interior design vs. interior architecture, Kayley Tuchek

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Effect of liquid metal microstructure on properties and performance of soft composites, Ravi Tej Anand Tutika

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Multidimensional tolerance of ambiguity: Construct validity, academic success, and workplace outcomes, Michael Tynan

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Engineering tunable 3D platforms to mimic the tumor microenvironment, Shalini Unnikandam Veettil

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Advancing PEWI: An ecosystem service and economic outcomes simulator for agricultural and natural resource education, Robert Valek

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From theorizing to practicing multimodality: The prevalence and function of multimodal terminology in writing textbooks, Bremen Vance

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A Lax-Wendroff discontinuous Galerkin scheme for linear hyperbolic systems, Samuel Quincy Van Fleet

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Terahertz driven quantum and coherent dynamics: From superconductors to topological materials, Chirag Vaswani

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Analysis of nonlocal equations: One-sided weighted fractional Sobolev spaces and Harnack inequality for fractional nondivergence form elliptic equations, Mary Colleen Vaughan

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Opening up the periodic table for solid-state NMR spectroscopy with fast magic angle spinning and proton detection, Amrit Venkatesh

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Using spontaneous haploid genome doubling to access favorable alleles in exotic maize (Zea mays L.) germplasm, Anderson Luiz Verzegnazzi

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Discovery of a dopamine producing microbe in the gut: Implications for animal and human health as well as industrial applications., Daniel Nicholas Villageliu

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The Effect of Alternative Delivery on Accelerated Bridge Construction Projects, Michael Volk

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Speaking through the silence: Narratives, interaction, and the construction of sexual selves, David W. Wahl

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Understanding parent influences on youth decisions to enter agricultural grain storage facilities, Kayla Walls

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The assessment of selenium bioaccessibility and bioavailability from selenium-rich algae, Laura Ann Walter

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Essays in finance and behavioral economics, Shirui Wang

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Synthesis of antibacterial and biobased compounds, Shuai Wang

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Adolescent expectations of peer's emotion response: The role of parent emotion socialization, parasympathetic regulation and HPA axis, Wen Wang

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What tweets and retweets on twitter can tell for the restaurant industry: A big-data approach, Xi Wang

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High-dimensional time series analysis and its application in economic forecasting, Zhenzhong Wang

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Improving infrastructure responses in the phases of displacement, Michael Robert Ward

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Strategies for lameness-associated pain detection and mitigation in lactating dairy cattle, Rochelle Warner

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A treatise on pansophy, Isaac Clarence Wass

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Nutrigenomics and aging: A transcriptomic perspective, Joe Lawrence Webb

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Understanding factors regulating Muskellunge and Walleye reservoir populations using radio telemetry, Robert Edward Weber III

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Optimizing parallel sequence alignment sorting and epistasis detection, and parallel Fortran application resilience, Nathan Weeks

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A hybrid additive and subtractive manufacturing approach for multi-material components, Eric David Weflen

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Anxiety and aggression: The role of social threat, intent attribution, and emotion regulation, Anna Therese Wehde

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Bird-habitat relationships in southern Iowa forests, Benjamin Matthew West

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Tribological evaluation of lubricant additives under boundary lubrication, Derek Lee White

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Using modern and paleoceanographic isotopic systems to reconstruct Late Holocene temporal oceanographic variability in the rapidly warming Gulf of Maine, Nina Millicent Whitney

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Adaptability and composition of natural regeneration in Pinus resinosa (red pine)- dominated forests following climate adaptation treatments, Lewis Wiechmann

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Improved characterization of pure and formulated active pharmaceutical ingredients by fast magic angle spinning solid-state NMR spectroscopy, Anuradha Viraj Wijesekara

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Something to do with our hands, Kate Wright

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Numerical investigation of flow over elastically-mounted circular cylinders, Xingeng Wu

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Pressure tuning of correlated electron systems, Li Xiang

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Mounting a screwdriver onto a screw using hybrid control, Shengwen Xie

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Design-time detection of physical-unit changes in product lines, Wandi Xiong

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Accessibility of health care services for older adults in China, Cai Xu

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Assessment of human and multiple UAVs interaction in police clearing operations, Cong Xu

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Contsruction and performance of chemically and mechanically stabilized granular road test sections, Ziqiang Xue

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Machine learning analytics for predictive breeding, Zhanyou Xu

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Methods for correcting and analyzing gene families, Akshay Yadav