ETDs: Virginia Tech Electronic Theses and Dissertations
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Virginia Tech has been a world leader in electronic theses and dissertation initiatives for more than 20 years. On January 1, 1997, Virginia Tech was the first university to require electronic submission of theses and dissertations (ETDs). Ever since then, Virginia Tech graduate students have been able to prepare, submit, review, and publish their theses and dissertations online and to append digital media such as images, data, audio, and video.
University Libraries staff are currently digitizing thousands of pre-1997 theses and dissertations and loading them into VTechWorks. Most of these theses and dissertations are fully available to the public, but we will, in general, honor requests by the item's author to restrict access to Virginia Tech only. See our process for Requesting that Material be Amended or Removed.
To search all Virginia Tech print and digital theses and dissertations, use the University Libraries ETD resource guide.
Materials that are restricted to Virginia Tech only may be requested via your own university or public library's Interlibrary Loan program or through the VTechWorks request form that appears when you try to access the item. You might also be able to obtain a copy of the work through ProQuest's database of theses and dissertations. If you are on a Virginia Tech campus but are unable to find the pre-1997 thesis or dissertation you are seeking in VTechWorks, you may also be able to order a physical copy from library storage. Please check the library catalog at http://www.lib.vt.edu/ for physical copies.
The guidelines that apply to Virginia Tech's graduate students as ETD authors can be found at http://guides.lib.vt.edu/ETDguide.
New! - Help video: Searching for Electronic Theses and Dissertations in VTechWorks
Collections in this community
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Doctoral Dissertations [15427]
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Masters Theses [20491]
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Undergraduate Theses [30]
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Virginia Tech ETD Resources [14]
Documentation about creating and formatting Virginia Tech ETDs
Recent Submissions
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Case Study: The effect of pallet design on the performance of semi-automatic and fully-automatic warehouses
(Virginia Tech, 2020-06-05)Pallets form the base of the unit load, which is the basis for global trade transportation. In order to achieve better performance, improve efficiency, and compete in much more versatile markets, industrial activities and ... -
Response to visual threats in Aedes aegypti mosquitoes
(Virginia Tech, 2020-06-04)Blood-feeding mosquitoes, by transmitting parasites and viruses to their hosts, kill several hundred thousand people every year. Mosquito populations are currently developing raising levels of insecticide resistance, and ... -
The effect of weight loss on circulating biomarkers of brain health and executive function
(Virginia Tech, 2020-06-04)Obesity is associated with deficits in cognitive function, particularly within the domain of executive function (EF). EF refers to higher order cognitive processes that regulate our ability to sustain attention, inhibit ... -
Open Gates, Broken Promises: Inclusion Policies and Transgender Student Experiences at Gender-Selective Women's Colleges
(Virginia Tech, 2020-06-04)Since 2013, over half of all gender-selective women's colleges in the United States have adopted admission policies that outline varying biological, social, and legal criteria for who may apply to their institution. In ... -
Claiming a Place in the Magic Kingdom: A Queer Analysis of Disney Movies from 2010 to 2020
(Virginia Tech, 2020-06-03)Disney movies are a vehicle for American culture; however, Disney has lagged behind in representing queer people in their films as protagonists. For this reason, critical scholarship is necessary to understand Disney's ... -
A Model of Peer Learning Incorporating Scaffolding Strategies
(Virginia Tech, 2020-06-03)Peer learning is a learning strategy that enables learners to interact with others and become active participants in their learning. To design peer learning activities, a model of peer learning is necessary to provide peers ... -
The influence of developmental patterns on vertebrate evolution, with the evolution of the sacrum and pelvis as a case study
(Virginia Tech, 2020-06-03)Patterns of organismal development—including embryonic morphogenesis, postnatal ontogenetic trends, and growth—are fundamental to understanding the evolution of phenotypes. Consideration of these processes is necessary to ... -
Characterization of Phosphatidylserine Expression in Bovine Sperm
(Virginia Tech, 2021-11-24)Many factors influence male fertility, and conventional fertility evaluations are not able to reliably identify sub-fertile animals. The overall goal of this work was to explore the expression of phosphatidylserine (PS) ... -
Improving Web Search Ranking Using the Internet Archive
(Virginia Tech, 2020-06-02)Current web search engines retrieve relevant results only based on the latest content of web pages stored in their indices despite the fact that many web resources update frequently. We explore possible techniques and data ... -
Comparative Functional Genomics Characterization of Low Phytic Acid Soybeans and Virus Resistant Soybeans
(Virginia Tech, 2020-06-02)The field of functional genomics aims to understand the complex relationship between genotype and phenotype by integrating genome-wide approaches, such as transcriptomics, proteomics, and metabolomics. Large-scale "-omics" ... -
Autonomous Cricothyroid Membrane Detection and Manipulation using Neural Networks and Robot Arm for First-Aid Airway Management
(Virginia Tech, 2020-06-02)The thesis focuses on applying deep learning and reinforcement learning techniques on human keypoint detection and robot arm manipulation. Inspired by Semi-Autonomous Victim Extraction Robot (SAVER), an autonomous first-aid ... -
Gender Role Reversal: Civilian Husbands of United States Military Servicewomen Defining Masculinity as Tied-Migrant Workers
(Virginia Tech, 2020-06-02)Employment of male spouses of female service members in the United States military (i.e., civilian husbands of servicewomen) is frequently affected when they geographically relocate due to their wives' military service. ... -
Economic Strain and Remarried Couples: Actor-Partner Interdependence Modeling of the Indirect Effects of Financial Conflict on Economic Strain and Marital Outcomes
(Virginia Tech, 2020-06-02)Remarriages account for about one third of all marriages in the United States, however the research on remarried couple outcomes is limited, particularly with regard to finances and financial conflict. The family economic ... -
Development of Microfluidic Platforms for Electric Field-Driven Drug Delivery and Cell Migration
(Virginia Tech, 2020-06-02)Recent technologies in micro-devices for investigation of functional biology in a controlled microenvironment are continually growing and evolving. In particular, electric-field mediated microfluidic platforms are evolving ... -
Vibration Energy Harvesting IC Design with Incorporation of Two Maximum Power Point Tracking Methods
(Virginia Tech, 2020-06-02)The proposed vibration energy harvesting IC harvests energy from a piezoelectric transducer (PZT) to provide power for a wireless sensor node (WSN). With a traditional rectification stage, a two-path three-switch dual-input ... -
Domain-based Frameworks and Embeddings for Dynamics over Networks
(Virginia Tech, 2020-06-01)Broadly this thesis looks into network and time-series mining problems pertaining to dynamics over networks in various domains. Which locations and staff should we monitor in order to detect C. Difficile outbreaks in ... -
New Microfluidic Technologies for Studying Histone Modifications and Long Non-Coding RNA Bindings
(Virginia Tech, 2020-06-01)Previous studies have shown that genes can be switched on or off by age, environmental factors, diseases, and lifestyles. The open or compact structures of chromatin is a crucial factor that affects gene expression. ... -
Chromosome evolution and mechanisms of speciation in the Anopheles gambiae complex
(Virginia Tech, 2020-06-01)Malaria is a life-threatening disease caused by Plasmodium parasites that are transmitted through the bites of infected females of a few Anopheles mosquito species. Understanding the chromosome evolution and mechanisms of ... -
Assessing the Role of Clusters Derived from Large Sequence Similarity Networks for Gene Function Predictions
(Virginia Tech, 2020-05-29)Large scale genomic sequencing efforts have resulted in a massive inflow of raw sequence data. This raw data, when appropriately processed and analyzed, can provide insight to a trained biologist and aid in hypothesis-driven ... -
An integrated plant nutrition system (IPNS) for corn and cannabis in the Mid-Atlantic USA
(Virginia Tech, 2020-05-29)Agroecosystem and cycling loops are open when considering the reutilization of inputs in farming areas. Non-renewable resources have been transformed or relocated from the air, water and land into the system and are flowing ...
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