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 [15955]
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Masters Theses [21168]
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Virginia Tech ETD Resources [14]
Documentation about creating and formatting Virginia Tech ETDs
Recent Submissions
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A Systematic Design Methodology for Articulated Serpentine Robotic Tails to Assist Agile Robot Behaviors
(Virginia Tech, 2022-07-06)In pursuit of producing robots capable of achieving the dexterity exhibited by animals in nature, roboticists have begun to explore the application of robotic tails. This thesis will explore the design, optimization, ... -
Regional Transport Aircraft Design using Turbo Electric Distributed Propulsion (TEDiP) System
(Virginia Tech, 2022-07-06)As the world moves towards environmental sustainability, the civil aviation enterprise has responded by setting challenging goals for significantly increased energy efficiency and reduced harmful emissions into the ... -
Ketone Supplementation, Cardiometabolic Health, and Cognition in Humans
(Virginia Tech, 2022-07-06)Cardiovascular disease (CVD) is the leading cause of death in the United States. Age is a primary risk factor for the development of CVD and middle-age is a vulnerable period where risk factors for the disease begin to ... -
ThoughtSwap: Reinfrastructuring Classroom Discourse
(Virginia Tech, 2022-07-06)Conscientious Discourse is an engagement where participants express their ideas truthfully, but also simultaneously focus on listening and responding to others. Facilitating and participating in conscientious classroom ... -
Leveraging Carbon Based Nanoparticle Dispersions for Fracture Toughness Enhancement and Electro-mechanical Sensing in Multifunctional Composites
(Virginia Tech, 2022-07-06)The discovery of carbon nanotubes in 1990s popularized a new area of research in materials science called Nanoscience. In the following decades, several carbon based nanoparticles were discovered or engineered and with the ... -
Selective Borylations of Carbon-Carbon pi-Bonds
(Virginia Tech, 2022-07-06)Organoboron compounds are viewed as a crucial intermediate for a wide variety of reactions. The most notorious reaction that exemplifies the capability of organoboron reagents is the Suzuki-Miyaura cross-coupling reaction, ... -
Tracking Antibiotic Resistance throughout Agroecosystems
(Virginia Tech, 2021-01-12)Widespread use of antibiotics in livestock production can result in the dissemination of bacteria carrying antibiotic resistance genes (ARGs) to the broader environment. Within agroecosystems, ARGs can pose a risk to ... -
Role of fluids in geological processes
(Virginia Tech, 2021-01-12)Water and other volatiles (e.g. CO2, H2, CH4, etc.) are crucial components on Earth that ensure the habitability of the planet and play an important role in many geological processes. Small aliquots of these fluids can be ... -
A Series of Questions, a Joining of Parts
(Virginia Tech, 2022-07-05)This thesis is an exploration of method demonstrated in a series of mechanical drawings of the elements. An investigation of methods of drawing and of how different questions can be asked through drawing. Furthermore, ... -
Investigating the Distribution and Biosynthesis of Modified F430 Cofactors in Methanogenic and Methanotrophic Archaea
(Virginia Tech, 2022-07-05)Methanogenesis is the biological production of methane and is utilized by methanogenic archaea (methanogens) to generate energy. This process is responsible for 70% of total atmospheric methane, a potent greenhouse gas and ... -
RE-Design / RE-Habilitate
(Virginia Tech, 2022-07-05)During the last decade, criminal justice and prison reform in the United States has been at the core of many social organizations, rallies and protests throughout the country. While most concerns aim for increased policing, ... -
Effects of mid-gestational L-citrulline supplementation to twin-bearing ewes on umbilical blood flow, placental development, and lamb production traits
(Virginia Tech, 2021-01-11)The interaction between the embryo and fetus with the maternal environment can have both short- and long-term consequences on health and development after birth. In some cases, these changes may be detrimental to the ... -
Design, Simulation, and Experimental Validation of a Novel High-Speed Omnidirectional Underwater Propulsion Mechanism
(Virginia Tech, 2021-01-11)This dissertation explores a novel omnidirectional propulsion mechanism for observation-class underwater vehicles, enabling for operation in extreme, hostile, or otherwise high-speed turbulent environments where unprecedented ... -
Analysis of TpeL secretion in Clostridium perfringens
(Virginia Tech, 2021-01-11)Clostridia are a class of gram-positive, anaerobic bacteria best known for their powerful toxins. These bacteria cause many diseases that are difficult to treat and often deadly, including colitis, botulism, tetanus and ... -
Effect of Physical and Chemical Cues on Candida albicans Morphological Expression and Biofilm Formation
(Virginia Tech, 2021-01-08)Adherent microbial communities, known as biofilms, are a major contributing factor in the incidence of healthcare-associated infections (HCAIs). HCAIs are responsible for annually causing 100,000 deaths and medical expenses ... -
Securing the Korean Peninsula with an Armed Nuclear North Korea: Identifying Pathways by Examining Past and Current Negotiations
(Virginia Tech, 2022-07-01)The United States has been at war with North Korea since 1950, although hostilities have been on hold on the peninsula since July 27, 1953. Despite the cessation of active hostilities, the tensions on the Korean Peninsula ... -
Germination niche of an emergent invasive grass, Arthraxon hispidus
(Virginia Tech, 2022-07-01)Joint-head grass (Arthraxon hispidus) is a widespread nonindigenous plant species in the eastern United States. It is observed forming large monodominant patches that impact native and managed grassland systems. With such ... -
The identification and characterization of unique FemX homologue in B. burgdorferi, and insights into the peptidoglycan biosynthesis pathway
(Virginia Tech, 2022-07-01)Borrelia burgdorferi — the causative agent of Lyme borreliosis — accounts for ~500,000 infections in the United States per year. Relative to other bacteria, B. burgdorferi is highly unusual in many regards. For instance, ... -
Outlining a balance-point model of homeostasis in the small intestine of broiler chickens
(Virginia Tech, 2022-07-01)Since the removal of in feed antibiotics in the past few years commercial poultry production is especially sensitive to the health of the small intestine. Healthy small intestines balance nutrient absorption and defensive ... -
Prescribed Fire Effects on Tree Grades and Wounds on the Monongahela National Forest, WV
(Virginia Tech, 2022-07-01)Species traits, including but not exclusive to bark thickness and texture, sprouting ability, and litter bulk density and chemistry, may be related to a stem's potential to withstand potential heating from wildland fire. ...
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