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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 [16175]
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Masters Theses [21398]
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Virginia Tech ETD Resources [14]
Documentation about creating and formatting Virginia Tech ETDs
Recent Submissions
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Effects of habitat and plant volatiles on mosquito spatial, seasonal, and chemical ecology
(Virginia Tech, 2021-06-03)Mosquitoes, by transmitting vector-borne diseases through their saliva, impact nearly half of the world's population. Mosquito survival is dependent on their sense of smell, or olfaction, which allows a mosquito to ... -
Characterization of Peptidoglycan, and the Enzymes that Synthesize it, in Borrelia burgdorferi and Insights into the Peptidoglycan of Other Pathogenic Borrelia
(Virginia Tech, 2021-06-03)Peptidoglycan (PG) is an essential cell-wall biopolymer in virtually all bacteria. It is composed of glycan strands of N-acetylglucosamine (GlcNAc) and N-acetylmuramic acid (MurNAc) crosslinked by peptide chains of alternating ... -
Polarizable Simulations of the bcl-2 DNA G-Quadruplex and FMRP RNA G-Quadruplex:Duplex Junction Binding Protein
(Virginia Tech, 2021-06-03)A G-quadruplex (GQ) is a type of noncanonical nucleic acid structure that can form in regions of nucleic acids rich in guanine nucleotides. The guanine bases form a square planar conformation via Hoogsteen hydrogen bonding. ... -
Biological rhythms in Aedes aegypti mosquitoes
(Virginia Tech, 2021-06-03)Aedes aegypti mosquitoes are found globally and also act as the primary vector of Zika, dengue, and Chikungunya viruses, for which there are limited treatment options and no vaccines available. The use of insecticides as ... -
Hypothalamic mechanisms of appetite regulation involve stress response and epigenetic modification
(Virginia Tech, 2021-06-03)Appetite regulation is primarily mediated by the hypothalamus, within which many neurotransmitters that regulate feeding are shared by the stress response circuitry. Stressors, especially those occur during critical periods ... -
Studies of Low-Nicotine Flue-Cured Tobacco Production
(Virginia Tech, 2021-06-03)Flue-cured tobacco (Nicotiana tabacum) has been managed to optimize the yield of high-quality cured leaf while maintaining nicotine levels within a relatively narrow range based on the Regional Minimum Standards Program. ... -
Automated Identification and Tracking of Motile Oligodendrocyte Precursor Cells (OPCs) from Time-lapse 3D Microscopic Imaging Data of Cell Clusters in vivo
(Virginia Tech, 2021-06-02)Advances in time-lapse 3D in vivo fluorescence microscopic imaging techniques enables the observation and investigation into the migration of Oligodendrocyte precursor cells (OPCs) and its role in the central nervous system. ... -
Tunable Piezoelectric Transducers via Custom 3D Printing: Conceptualization, Creation, and Customer Discovery of Acoustic Applications
(Virginia Tech, 2021-06-02)In an increasingly data-driven society, sensors and actuators are the bridge between the physical world and the world of "data." Electroacoustic transducers convert acoustic energy into electrical energy (or vice versa), ... -
Improving the Understanding of Factors Driving Rumen Fermentation
(Virginia Tech, 2021-06-02)Ruminant livestock maintain an important role in meeting the nutrient requirements of the global population through their unique ability to convert plant fiber into human-edible meat and milk products. Volatile fatty acids ... -
From Lab to Outdoors: The Effects of Terrain, Environment, Amputation level, and Prosthetic Knee Type on Gait
(Virginia Tech, 2021-06-02)While tremendous advances have been made in prosthesis technology, a greater understanding of amputee gait is needed, especially among amputees in developing countries. Field studies as well as prosthesis technology in ... -
Efficacy of the biological control agent Rhizobium vitis ARK-1 against tumorigenic Rhizobium vitis, the causal agent of grapevine crown gall
(Virginia Tech, 2021-06-02)Grapevine crown gall causes significant economic damage in vineyards and nurseries worldwide. Infected vines are not curable due to irreversible genomic transformation by the tumorigenic bacterium Rhizobium vitis. Crown ... -
In situ Nanoscale Quantification of Corrosion Kinetics by Quantitative Phase Microscopy
(Virginia Tech, 2022-11-23)Corrosion-related degradation incurs a significant cost to infrastructure and society. In 2016, the direct corrosion cost was estimated at $276 billion, which is 3.1% of the U.S. gross domestic product. Despite the known ... -
Desubjectification and Ritual Process
(Virginia Tech, 2021-06-01)The process of decomposition can be used as a method for disrupting the knowing subject, thus creating space for the awareness of unnoticed ideologies and beliefs. The body of work presented in this thesis intends to point ... -
Fireworks: A Fast, Efficient and Safe Serverless Framework
(Virginia Tech, 2021-06-01)Serverless computing is a new paradigm, and it is becoming rapidly popular in Cloud computing. Serverless computing has interesting, unique properties that the unit of deployment and execution is a serverless function. ... -
Women at War in Early Medieval Poetry and Late Medieval Romance
(Virginia Tech, 2021-05-28)In early Medieval English poetry and late Medieval romance, there are multiple roles violent women perform. They can be protagonist, antagonist, and supporting character. They prove to be active characters with strength, ... -
Three Essays on Contextual Effects in Traveler's Use of Online Reviews
(Virginia Tech, 2021-05-28)Tourists' information processing is a dynamic process in that their information use depends on the surrounding context. From tourists' personal characteristics (e.g., age, gender, and travel experience), nature of tourism ... -
Impacts of coastal flooding on watersheds in Hampton Roads, VA
(Virginia Tech, 2021-05-28)Coastal communities face threats of flooding associated with episodic storm events and high tides that are increasing in severity and frequency due to climate change and sea level rise (SLR). The Mid-Atlantic U.S. is ... -
Modification of Fermentation by Exogenous Energy Input
(Virginia Tech, 2021-05-28)Solar radiation influences virtually all biological process on earth. Yeasts, the microbial driver of ethanol fermentation, evolved on the surface of vegetation and had to adapt to survive photonic assault. Past research ... -
Comparing Extraction Methods in Sample Preparation for the Quantification of Cannabinoids in Industrial Hemp
(Virginia Tech, 2021-05-28)Industrial hemp is legally defined in the United States by the Agriculture Improvement Act of 2018 (2018 Farm Bill) as Cannabis containing <0.3% total tetrahydrocannabinol (THC). The 2018 Farm Bill does not, however, specify ... -
Management of stem rot of peanut using optical sensors, machine learning, and fungicides
(Virginia Tech, 2021-05-28)Stem rot of peanut (Arachis hypogaea L.), caused by a soilborne fungus Athelia rolfsii (Curzi) C. C. Tu and Kimbr. (anamorph: Sclerotium rolfsii Sacc.), is one of the most important diseases in peanut production worldwide. ...
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