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Articles 931 - 960 of 12157
Full-Text Articles in Entire DC Network
Magnetic Control Of Nonmagnetic Living Organisms, Ahmed Al Harraq, Min Feng, Hashir M. Gauri, Ram Devireddy, Ankur Gupta, Qing Sun, Bhuvnesh Bharti
Magnetic Control Of Nonmagnetic Living Organisms, Ahmed Al Harraq, Min Feng, Hashir M. Gauri, Ram Devireddy, Ankur Gupta, Qing Sun, Bhuvnesh Bharti
Faculty Publications
Living organisms inspire the design of microrobots, but their functionality is unmatched. Next-generation microrobots aim to leverage the sensing and communication abilities of organisms through magnetic hybridization, attaching magnetic particles to them for external control. However, the protocols used for magnetic hybridization are morphology specific and are not generalizable. We propose an alternative approach that leverages the principles of negative magnetostatics and magnetophoresis to control nonmagnetic organisms with external magnetic fields. To do this, we disperse model organisms in dispersions of Fe3O4 nanoparticles and expose them to either uniform or gradient magnetic fields. In uniform magnetic fields, living organisms align …
Automated Reinforcement During Large-Scale Additive Manufacturing: Structural Assessment Of A Dual Approach, Hassan Ahmed, Ilerioluwa Giwa, Daniel Game, Gabriel Arce, Hassan Noorvand, Marwa Hassan, Ali Kazemian
Automated Reinforcement During Large-Scale Additive Manufacturing: Structural Assessment Of A Dual Approach, Hassan Ahmed, Ilerioluwa Giwa, Daniel Game, Gabriel Arce, Hassan Noorvand, Marwa Hassan, Ali Kazemian
Faculty Publications
Automated and seamless integration of reinforcement is one of the main unresolved challenges in large-scale additive construction. This study leverages a dual-reinforcement solution consisting of high-dosage steel fiber (up to 2.5% by volume) and short vertical reinforcements as a complementary reinforcement technique for 3D-printed elements. The mechanical performance of the printing material was characterized by measuring the compressive, flexural, and uniaxial tensile strengths of mold-cast specimens. Furthermore, the flexural performance of the plain and fiber-reinforced 3D-printed beams was evaluated in the three main loading directions (X, Y, and Z-directions in-plane). In addition, short vertical threaded reinforcements were inserted into the …
Generative Artificial Intelligence And Building Design: Early Photorealistic Render Visualization Of Façades Using Local Identity-Trained Models, Hayoung Jo, Jin Kook Lee, Yong Cheol Lee, Seungyeon Choo
Generative Artificial Intelligence And Building Design: Early Photorealistic Render Visualization Of Façades Using Local Identity-Trained Models, Hayoung Jo, Jin Kook Lee, Yong Cheol Lee, Seungyeon Choo
Faculty Publications
This paper elucidates an approach that utilizes generative artificial intelligence (AI) to develop alternative architectural design options based on local identity. The advancement of AI technologies has increasingly piqued the interest of the architecture, engineering, construction, and facility management industry. Notably, the topic of "visualization"has gained prominence as a means for enhancing communication related to a project, especially in the early phases of design. This study aims to enhance the ease of obtaining design images during initial phases of design by drawing from multiple texts and images. It develops an additional training model to generate various design alternatives that resonate …
User Fee Programs, Erika Lietzan
User Fee Programs, Erika Lietzan
Faculty Publications
A user fee is a fee assessed by the government when it provides a good or service to a private party. Classic examples include the fee to enter Yellowstone National Park and payment to the U.S. Postal Service for a first-class postage stamp. In these transactions, the government provides a specific benefit to an identifiable recipient, who pays the fee. Although the federal government has assessed user fees since this country's founding, broad authorizing legislation in the middle of the 20th century made it possible for agencies to craft user fee programs on their own initiative. Interest in relying on …
Modernizing The Medical Malpractice Standard Of Care, Philip G. Peters Jr.
Modernizing The Medical Malpractice Standard Of Care, Philip G. Peters Jr.
Faculty Publications
The standard of care for health care providers proposed by section 5 of the Restatement of the Law Third, Torts: Medical Malpractice marks a fundamental shift in the American Law Institute's position on professional tort liability. According to both conventional wisdom and prior Restatement provisions, the standard of care for physicians is determined by their customary practices. Professionals alone are given the unique privilege to set their own legal standard of care. However, the proposed section 5 departs from this position. Instead, reasonable care for health care providers is defined as conduct "regarded as competent" by medical peers. Customary practices …
"I Am Become Death, The Destroyer Of Worlds": Applying Strict Liability To Artificial Intelligence As An Abnormally Dangerous Activity, Renee Henson
Faculty Publications
Artificial intelligence (AI)-enabled tools have produced a myriad of injuries, up to and including death. This burgeoning technology has caused scholars to ask questions, such as, How do we create a legal framework for AI? Because AI creators have acknowledged that even they do not know the capacities of their technology for good or bad outcomes, this Article argues that an existing framework, strict liability, is an appropriate fit for harms arising from this new technology because a party need not prove negligence to prevail. Strict liability was uniquely developed to handle those activities that are “abnormally dangerous.” An abnormally …
Preferential Hydrologic States And Tipping Characteristics Of Global Surface Soil Moisture, Vinit Sehgal, Binayak P. Mohanty
Preferential Hydrologic States And Tipping Characteristics Of Global Surface Soil Moisture, Vinit Sehgal, Binayak P. Mohanty
Faculty Publications
A dynamic transition in soil hydrologic states through meteorological variability and terrestrial feedback governs soil-vegetation-climate (SVC) interactions, constrained by critical soil moisture (SM) thresholds. However, observational and scaling constraints limit critical SM threshold estimation at the remote-sensing (RS) footprint scale. Using global surface SM (θRS) from NASA’s Soil Moisture Active Passive (SMAP) satellite, we characterize the seasonal preferential hydrologic states of θRS and derive three tipping characteristics to estimate the intensity (Mean Tipping Depth, (Formula presented.)), frequency (Tipping Count, η), and duration (Mean Tipped Time, (Formula presented.)) of the excursion of θRS from wet- to dry-average conditions. The preferential state …
Embryonic Exposure To Benzotriazole Ultraviolet Stabilizer 327 Alters Behavior Of Rainbow Trout Alevin, Andreas N.M. Eriksson, Justin Dubiel, Lauren Zink, Zhe Lu, Jon A. Doering, Steve Wiseman
Embryonic Exposure To Benzotriazole Ultraviolet Stabilizer 327 Alters Behavior Of Rainbow Trout Alevin, Andreas N.M. Eriksson, Justin Dubiel, Lauren Zink, Zhe Lu, Jon A. Doering, Steve Wiseman
Faculty Publications
Benzotriazole ultraviolet (UV) stabilizers (BUVSs) are used in great quantities during industrial production of a variety of consumer and industrial goods. As a result of leaching and spill, BUVSs are detectable ubiquitously in the environment. As of May 2023, citing concerns related to bioaccumulation, biomagnification, and environmental persistence, (B)UV(S)-328 was recommended to be listed under Annex A of the Stockholm Convention on Persistent Organic Pollutants. However, a phaseout of UV-328 could result in a regrettable substitution because the replacement chemical(s) could cause similar or unpredicted toxicity in vivo, relative to UV-328. Therefore, the influence of UV-327, a potential replacement of …
A Joint Fermi-Gbm And Swift-Bat Analysis Of Gravitational-Wave Candidates From The Third Gravitational-Wave Observing Run, C. Fletcher, J. Wood, R. Hamburg, P. Veres, C. M. Hui, E. Bissaldi, M. S. Briggs, E. Burns, W. H. Cleveland, M. M. Giles, A. Goldstein, B. A. Hristov, D. Kocevski, S. Lesage, B. Mailyan, C. Malacaria, S. Poolakkil, A. Von Kienlin, C. A. Wilson-Hodge, M. Crnogorčević, J. Delaunay, A. Tohuvavohu, R. Caputo, S. B. Cenko, S. Laha, T. Parsotan, R. Abbott, H. Abe, F. Acernese, K. Ackley, N. Adhikari, R. X. Adhikari, V. K. Adkins
A Joint Fermi-Gbm And Swift-Bat Analysis Of Gravitational-Wave Candidates From The Third Gravitational-Wave Observing Run, C. Fletcher, J. Wood, R. Hamburg, P. Veres, C. M. Hui, E. Bissaldi, M. S. Briggs, E. Burns, W. H. Cleveland, M. M. Giles, A. Goldstein, B. A. Hristov, D. Kocevski, S. Lesage, B. Mailyan, C. Malacaria, S. Poolakkil, A. Von Kienlin, C. A. Wilson-Hodge, M. Crnogorčević, J. Delaunay, A. Tohuvavohu, R. Caputo, S. B. Cenko, S. Laha, T. Parsotan, R. Abbott, H. Abe, F. Acernese, K. Ackley, N. Adhikari, R. X. Adhikari, V. K. Adkins
Faculty Publications
We present Fermi Gamma-ray Burst Monitor (Fermi-GBM) and Swift Burst Alert Telescope (Swift-BAT) searches for gamma-ray/X-ray counterparts to gravitational-wave (GW) candidate events identified during the third observing run of the Advanced LIGO and Advanced Virgo detectors. Using Fermi-GBM onboard triggers and subthreshold gamma-ray burst (GRB) candidates found in the Fermi-GBM ground analyses, the Targeted Search and the Untargeted Search, we investigate whether there are any coincident GRBs associated with the GWs. We also search the Swift-BAT rate data around the GW times to determine whether a GRB counterpart is present. No counterparts are found. Using both the Fermi-GBM Targeted Search …
Biochar-Based Materials As Remediation Strategy In Petroleum Hydrocarbon-Contaminated Soil And Water: Performances, Mechanisms, And Environmental Impact, Zhuo Wei, Yi Wei, Yang Liu, Shuai Niu, Yaxi Xu, Jong Hwan Park, Jim J. Wang
Biochar-Based Materials As Remediation Strategy In Petroleum Hydrocarbon-Contaminated Soil And Water: Performances, Mechanisms, And Environmental Impact, Zhuo Wei, Yi Wei, Yang Liu, Shuai Niu, Yaxi Xu, Jong Hwan Park, Jim J. Wang
Faculty Publications
Petroleum contamination is considered as a major risk to the health of humans and environment. Biochars as low-cost and eco-friendly carbon materials, have been widely used for the removal of petroleum hydrocarbon in the environment. The purpose of this paper is to review the performance, mechanisms, and potential environmental toxicity of biochar, modified biochar and its integration use with other materials in petroleum contaminated soil and water. Specifically, the use of biochar in oil-contaminated water and soil as well as the factors that could influence the removal ability of biochar were systematically evaluated. In addition, the modification and integrated use …
Effects Of Wind On The Stability Of Explosive Eruption Plumes, Tyler Paladino, Shannon Kobs Nawotniak, Bryan Nicholson, Suniti Karunatillake
Effects Of Wind On The Stability Of Explosive Eruption Plumes, Tyler Paladino, Shannon Kobs Nawotniak, Bryan Nicholson, Suniti Karunatillake
Faculty Publications
Explosive volcanic eruptions can produce eruption plumes and pyroclastic density currents that can severely damage life and property. While many factors influence eruption plume stability, including mass eruption rate, grain size distribution, and environmental factors, the role of wind is complicated, with evidence for wind as both a stabilizing and destabilizing factor. Here we use the Active Tracer High-resolution Atmospheric Model (ATHAM) to simulate 980 plumes with differing eruptive parameters, atmospheric profiles, and wind conditions to isolate how and when wind can lead to column collapse. We analyze these simulations via a novel method that provides stability percentage via an …
Exploring Nontraditional Lstm Architectures For Modeling Demethanizer Column Operations, Marta Mandis, Roberto Baratti, Jorge Chebeir, Stefania Tronci, José A. Romagnoli
Exploring Nontraditional Lstm Architectures For Modeling Demethanizer Column Operations, Marta Mandis, Roberto Baratti, Jorge Chebeir, Stefania Tronci, José A. Romagnoli
Faculty Publications
Digital twins have recently attracted attention as a new technology that can facilitate the digital transformation of process industries. It may provide live, or near real-time, information and insights into the process and may be used for monitoring, control and optimization purposes. In this study, a digital twin has been developed for modelling the demethanizer column of a NGL separation plant. Based on a non-conventional Long Short-Term Memory (LSTM) neural network arrangement, the surrogate model has been trained and validated using data obtained by the process simulator Aspen HYSYS®. Model prediction can be obtained using only readily available variables as …
Analysis Of Fast-Cured Plastic Scintillator Variations, Andrew K. Nesbitt, John W. Mcclory, Juan J. Manfredi, Andrew W. Decker
Analysis Of Fast-Cured Plastic Scintillator Variations, Andrew K. Nesbitt, John W. Mcclory, Juan J. Manfredi, Andrew W. Decker
Faculty Publications
Organic plastic scintillators are widely used in a variety of homeland security applications, most commonly as detectors for radiation portal monitors due to their relative low cost, physical robustness, and fast-timing properties. However, plastic scintillators also typically provide lower light yields and photon sensitivity compared to other detector material alternatives, so many studies over the past two decades have sought ways to overcome these shortfalls. Research recently conducted at the Air Force Institute of Technology and Oak Ridge National Laboratory demonstrated that photocuring novel plastics offered a viable method for producing fast-curing plastic scintillators (FCPSs). These formulations included an acrylic …
Universal Design For Learning (Udl)- Strategies For Engaging Rural Youth Co-Researchers With Informal Stem Learning, Amanda Bastoni, Jayson Seaman, Andrew D. Coppens, Cindy Hartman, Kate Moscouver, Courtnie Lachaine
Universal Design For Learning (Udl)- Strategies For Engaging Rural Youth Co-Researchers With Informal Stem Learning, Amanda Bastoni, Jayson Seaman, Andrew D. Coppens, Cindy Hartman, Kate Moscouver, Courtnie Lachaine
Faculty Publications
This article describes methods and findings from a study focused on youth living in rural communities in northern New Hampshire who struggle with accessing STEM learning opportunities for reasons including economic underinvestment and geographical isolation. These challenges also negatively impact researchers hoping to learn how rural youth benefit from informal STEM learning experiences, which contribute to low-project participation and retention rates. As in other amenity-rich rural areas, the communities in this study are promoting outdoor recreation as a vehicle for economic development. We wanted to understand if outdoor recreation activities tied to economic growth initiatives — activities which youth have …
Pulsed-Power Neutron Production With Deuterated Polymer Accelerator Targets, Anthony O. Hagey, Juan J. Manfredi, Whitman T. Dailey, S. L. Jackson, E. R. Kaiser, J. W. Schumer
Pulsed-Power Neutron Production With Deuterated Polymer Accelerator Targets, Anthony O. Hagey, Juan J. Manfredi, Whitman T. Dailey, S. L. Jackson, E. R. Kaiser, J. W. Schumer
Faculty Publications
This document presents an investigation of the effect of deuterated accelerator targets on the neutron fluence from a local mass injection dense plasma focus (LMIDPF) driven by the United States Naval Research Laboratory's (NRL) Hawk pulsed-power generator. Deuterated targets were made using two methods: a well-established thin-film casting technique for flat targets and a more novel additive manufacturing technique that allowed targets to be three-dimensional (3D) printed in both flat and conical geometries. These targets were then tested during neutron-producing experiments conducted using Hawk, and theneutron fluences measured for the various target types were compared. Additive manufacturing was used as …
A Threshold Assessment: Is Technology Among The Competencies Tested By The Mpre?, Amy A. Emerson
A Threshold Assessment: Is Technology Among The Competencies Tested By The Mpre?, Amy A. Emerson
Faculty Publications
No abstract provided.
Films Digitized To Celebrate Andrews University Sesquicentennial, Katherine Van Arsdale
Films Digitized To Celebrate Andrews University Sesquicentennial, Katherine Van Arsdale
Faculty Publications
No abstract provided.
Electrochemical Reduction Of Co2: A Common Acetyl Path To Ethylene, Ethanol Or Acetate, Monsuru Dauda, John Hendershot, Mustapha Bello, Junghyun Park, Alvaro Loaiza Orduz, Nicholas Lombardo, Orhan Kizilkaya, Phillip Sprunger, Anthony Engler, Craig Plaisance, John Flake
Electrochemical Reduction Of Co2: A Common Acetyl Path To Ethylene, Ethanol Or Acetate, Monsuru Dauda, John Hendershot, Mustapha Bello, Junghyun Park, Alvaro Loaiza Orduz, Nicholas Lombardo, Orhan Kizilkaya, Phillip Sprunger, Anthony Engler, Craig Plaisance, John Flake
Faculty Publications
Ethylene is well known as the primary product of CO2 reduction at Cu electrocatalysts using zero-gap membrane electrode assembly cells with gas diffusion cathodes. Other types of Cu electrocatalysts including oxide-derived Cu, CuSn and CuSe yield relatively more C2 oxygenates; however, the mechanisms for C2 product selectivity are not well established. This work considers selectivity trends of Cu-P0.065, Cu-Sn0.03, and Cu2Se electrocatalysts made using a standard one pot synthesis method. Results show that Cu-P0.065 electrocatalysts (Cuδ+ = 0.13) retain ethylene as a primary product with relatively higher Faradaic efficiencies (FE = 43% at 350 mA cm−2) than undoped Cu electrocatalysts …
Encapsulation And Release Of Calcein From Herceptin-Conjugated Eliposomes, Mah Noor Zafar, William G. Pitt, Ghaleb A. Husseini
Encapsulation And Release Of Calcein From Herceptin-Conjugated Eliposomes, Mah Noor Zafar, William G. Pitt, Ghaleb A. Husseini
Faculty Publications
Achieving an optimal therapeutic level is crucial in effectively eradicating cancer cells during treatment. However, conventional chemotherapy-associated systemic administration of anticancer agents leads to many side effects. To achieve the desired control over the target site, active targeting of HER2-positive breast cancer cells can be achieved by conjugating liposomal vesicles with Human Epidermal growth factor Receptor 2 (HER2) and inducing release of the encapsulated drug using ultrasound. To further enhance the delivery efficiency, nanoemulsion droplets exhibiting responsiveness to low-frequency ultrasound are encapsulated within these lipid vesicles. In this study, we prepared four different liposomal formulations, namely pegylated liposomes …
Comparison Of Raw Accelerometry Data From Actigraph, Apple Watch, Garmin, And Fitbit Using A Mechanical Shaker Table, James W. White Iii, Olivia L. Finnegan, Nick Tindall, Srihari Nelakuditi, David E. Brown Iii, Russell R. Pate Ph.D., Gregory J. Welk, Massimiliano De Zambotti, Rahul Ghosal, Yuan Wang, Sarah Burkart, Elizabeth L. Adams, Mvs Chandrashekhar, Bridget Armstrong, Michael W. Beets, Robert Weaver Med, Phd
Comparison Of Raw Accelerometry Data From Actigraph, Apple Watch, Garmin, And Fitbit Using A Mechanical Shaker Table, James W. White Iii, Olivia L. Finnegan, Nick Tindall, Srihari Nelakuditi, David E. Brown Iii, Russell R. Pate Ph.D., Gregory J. Welk, Massimiliano De Zambotti, Rahul Ghosal, Yuan Wang, Sarah Burkart, Elizabeth L. Adams, Mvs Chandrashekhar, Bridget Armstrong, Michael W. Beets, Robert Weaver Med, Phd
Faculty Publications
The purpose of this study was to evaluate the reliability and validity of the raw accelerometry output from research-grade and consumer wearable devices compared to accelerations produced by a mechanical shaker table. Raw accelerometry data from a total of 40 devices (i.e., n = 10 ActiGraph wGT3X-BT, n = 10 Apple Watch Series 7, n = 10 Garmin Vivoactive 4S, and n = 10 Fitbit Sense) were compared to reference accelerations produced by an orbital shaker table at speeds ranging from 0.6 Hz (4.4 milligravity-mg) to 3.2 Hz (124.7mg). Two-way random effects absolute intraclass correlation coefficients (ICC) tested inter-device reliability. …
Role Of Electronegativity In Environmentally Persistent Free Radicals (Epfrs) Formation On Zno, Syed Monjur Ahmed, Reuben A. Oumnov, Orhan Kizilkaya, Randall W. Hall, Phillip T. Sprunger, Robert L. Cook
Role Of Electronegativity In Environmentally Persistent Free Radicals (Epfrs) Formation On Zno, Syed Monjur Ahmed, Reuben A. Oumnov, Orhan Kizilkaya, Randall W. Hall, Phillip T. Sprunger, Robert L. Cook
Faculty Publications
Environmentally persistent free radicals (EPFRs), a group of emerging pollutants, have significantly longer lifetimes than typical free radicals. EPFRs form by the adsorption of organic precursors on a transition metal oxide (TMO) surface involving electron charge transfer between the organic and TMO. In this paper, dihalogenated benzenes were incorporated to study the role of electronegativity in the electron transfer process to obtain a fundamental knowledge of EPFR formation mechanism on ZnO. Upon chemisorption on ZnO nanoparticles at 250 °C, electron paramagnetic resonance (EPR) confirms the formation of oxygen adjacent carbon-centered organic free radicals with concentrations between 1016 and 10 …
Design, Deployment, And Operation Of An Experimental Offshore Seaweed Cultivation Structure, Zachary Moscicki, M Robinson Swift, Tobias Dewhurst, Michael Macnicoll, Michael Chambers, Igor Tsukrov, David W. Fredriksson, Peter Lynn, Melissa E. Landon, Beth Zotter, Noah Macadam
Design, Deployment, And Operation Of An Experimental Offshore Seaweed Cultivation Structure, Zachary Moscicki, M Robinson Swift, Tobias Dewhurst, Michael Macnicoll, Michael Chambers, Igor Tsukrov, David W. Fredriksson, Peter Lynn, Melissa E. Landon, Beth Zotter, Noah Macadam
Faculty Publications
Seaweed cultivation systems suitable for offshore and exposed locations have the potential to enable expansion of global seaweed production to levels capable of substantially supplementing or offsetting terrestrial agriculture. A demonstration scale, experimental seaweed cultivation system (farm) intended to withstand exposed ocean environments was designed, deployed, planted with kelp (a type of seaweed), monitored and decommissioned. Objectives for the field program included: [1] observation of the farm's behavior and survivability in exposed ocean conditions, [2] demonstration of novel farm system design features and component technologies, and [3] evaluation of farm operability. Novel design features included a lattice mooring system geometry, …
Effect Of Fabrication Parameters On The Ferroelectricity Of Hafnium Zirconium Oxide Films: A Statistical Study, Guillermo A. Salcedo, Ahmad E. Islam, Elizabeth Reichley, Michael Dietz, Christine M. Schubert Kabban, Kevin D. Leedy, Tyson C. Back, Weison Wang, Andrew Green, Timothy S. Wolfe, James M. Sattler
Effect Of Fabrication Parameters On The Ferroelectricity Of Hafnium Zirconium Oxide Films: A Statistical Study, Guillermo A. Salcedo, Ahmad E. Islam, Elizabeth Reichley, Michael Dietz, Christine M. Schubert Kabban, Kevin D. Leedy, Tyson C. Back, Weison Wang, Andrew Green, Timothy S. Wolfe, James M. Sattler
Faculty Publications
Ferroelectricity in hafnium zirconium oxide (Hf1−xZrxO2) and the factors that impact it have been a popular research topic since its discovery in 2011. Although the general trends are known, the interactions between fabrication parameters and their effect on the ferroelectricity of Hf1−xZrxO2 require further investigation. In this paper, we present a statistical study and a model that relates Zr concentration (x), film thickness (tf), and annealing temperature (Ta) with the remanent polarization (Pr) in tungsten (W)-capped Hf1−xZrxO2. …
Predicting The Rate Of Degradation Related To Oxygen Electrode Delamination In Solid Oxide-Ion Electrolyzers, Yeting Wen, Kevin Huang
Predicting The Rate Of Degradation Related To Oxygen Electrode Delamination In Solid Oxide-Ion Electrolyzers, Yeting Wen, Kevin Huang
Faculty Publications
Language comprehension is often affected in individuals with post-stroke aphasia. However, deficits in auditory comprehension are not fully correlated with deficits in reading comprehension and the mechanisms underlying this dissociation remain unclear. This distinction is important for understanding language mechanisms, predicting long-term impairments and future development of treatment interventions. Using comprehensive auditory and reading measures from a large cohort of individuals with aphasia, we evaluated the relationship between aphasia type and reading comprehension impairments, the relationship between auditory versus reading comprehension deficits and the crucial neuroanatomy supporting the dissociation between post-stroke reading and auditory deficits. Scores from the Western Aphasia …
Study Protocol: Identifying Transcriptional Regulatory Alterations Of Chronic Effects Of Blast And Disturbed Sleep In United States Veterans, Molly J. Sullan, Kelly A. Stearns-Yoder, Zhaoyu Wang, Andrew J. Hoisington, Adam D. Brenoweth, Walter Carr, Yongchao Ge, Hanga Galfalvy, Fatemah Haghighi, Lisa A. Brenner
Study Protocol: Identifying Transcriptional Regulatory Alterations Of Chronic Effects Of Blast And Disturbed Sleep In United States Veterans, Molly J. Sullan, Kelly A. Stearns-Yoder, Zhaoyu Wang, Andrew J. Hoisington, Adam D. Brenoweth, Walter Carr, Yongchao Ge, Hanga Galfalvy, Fatemah Haghighi, Lisa A. Brenner
Faculty Publications
Injury related to blast exposure dramatically rose during post-911 era military conflicts in Iraq and Afghanistan. Mild traumatic brain injury (mTBI) is among the most common injuries following blast, an exposure that may not result in a definitive physiologic marker (e.g., loss of consciousness). Recent research suggests that exposure to low level blasts and, more specifically repetitive blast exposure (RBE), which may be subconcussive in nature, may also impact long term physiologic and psychological outcomes, though findings have been mixed. For military personnel, blast-related injuries often occur in chaotic settings (e.g., combat), which create challenges in the immediate assessment of …
Selective Vapor Condensation For The Synthesis And Assembly Of Spherical Colloids With A Precise Rough Patch, Kennedy A. Guillot, Philip J. Brahana, Ahmed Al Harraq, Nduka D. Ogbonna, Nicholas S. Lombardo, Jimmy Lawrence, Yaxin An, Michael G. Benton, Bhuvnesh Bharti
Selective Vapor Condensation For The Synthesis And Assembly Of Spherical Colloids With A Precise Rough Patch, Kennedy A. Guillot, Philip J. Brahana, Ahmed Al Harraq, Nduka D. Ogbonna, Nicholas S. Lombardo, Jimmy Lawrence, Yaxin An, Michael G. Benton, Bhuvnesh Bharti
Faculty Publications
Patchy particles occupy an increasingly important space in soft matter research due to their ability to assemble into intricate phases and states. Being able to fine-tune the interactions among these particles is essential to understanding the principles governing the self-assembly processes. However, current fabrication techniques often yield patches that deviate chemically and physically from the native particles, impeding the identification of the driving forces behind self-assembly. To overcome this challenge, we propose a new approach to synthesizing spherical colloids with a well-defined rough patch on their surface. By treating polystyrene microspheres with vapors of a good solvent, here an acetone-water …
Scriptblock Smuggling: Uncovering Stealthy Evasion Techniques In Powershell And .Net Environments, Anthony J. Rose, Scott R. Graham, Christine M. Schubert, Jacob Krasnov, Wayne C. Henry
Scriptblock Smuggling: Uncovering Stealthy Evasion Techniques In Powershell And .Net Environments, Anthony J. Rose, Scott R. Graham, Christine M. Schubert, Jacob Krasnov, Wayne C. Henry
Faculty Publications
The Antimalware Scan Interface (AMSI) plays a crucial role in detecting malware within Windows operating systems. This paper presents ScriptBlock Smuggling, a novel evasion and log spoofing technique exploiting PowerShell and .NET environments to circumvent the AMSI. By focusing on the manipulation of ScriptBlocks within the Abstract Syntax Tree (AST), this method creates dual AST representations, one for compiler execution and another for antivirus and log analysis, enabling the evasion of AMSI detection and challenging traditional memory patching bypass methods. This research provides a detailed analysis of PowerShell’s ScriptBlock creation and its inherent security features and pinpoints critical limitations in …
The Impact Of Data Preparation And Model Complexity On The Natural Language Classification Of Chinese News Headlines, Torrey J. Wagner, Dennis Guhl, Brent T. Langhals
The Impact Of Data Preparation And Model Complexity On The Natural Language Classification Of Chinese News Headlines, Torrey J. Wagner, Dennis Guhl, Brent T. Langhals
Faculty Publications
Given the emergence of China as a political and economic power in the 21st century, there is increased interest in analyzing Chinese news articles to better understand developing trends in China. Because of the volume of the material, automating the categorization of Chinese-language news articles by headline text or titles can be an effective way to sort the articles into categories for efficient review. A 383,000-headline dataset labeled with 15 categories from the Toutiao website was evaluated via natural language processing to predict topic categories. The influence of six data preparation variations on the predictive accuracy of four algorithms was …
A Quantum Logic Gate In The Dna Deoxyribose Moiety, F. Matthew Mihelic
A Quantum Logic Gate In The Dna Deoxyribose Moiety, F. Matthew Mihelic
Faculty Publications
The deoxyribose moiety of a nucleotide in the DNA molecule can act as a quantumlogic gate, in which the enantiomeric shift between the C2-endo and C3-endo conformations of each nucleotide, occurs within a logically and thermodynamically reversible situation of electron spin qubits, that are coherently held within the topologically insulating DNA crystalline nanostructure, and that are coherently conducted along the delocalized electrons of the pi-stacked nucleotide base pairs. The enantiomeric symmetry between the C2-endo and C3-endo conformations is logically and thermodynamically reversible because it functions as a symmetry-breaking Szilard engine that is effectively built out of the physicality of the …
Association Of Blast Exposure In Military Breaching With Intestinal Permeability Blood Biomarkers Associated With Leaky Gut, Qingkun Liu, Zhaoyu Wang, Shengnan Sun, Jeffrey Nemes, Lisa A. Brenner, Miciej Skotak, Christina R. Lavalle, Yongchao Ge, Walter Carr, Fatemeh Haghighi
Association Of Blast Exposure In Military Breaching With Intestinal Permeability Blood Biomarkers Associated With Leaky Gut, Qingkun Liu, Zhaoyu Wang, Shengnan Sun, Jeffrey Nemes, Lisa A. Brenner, Miciej Skotak, Christina R. Lavalle, Yongchao Ge, Walter Carr, Fatemeh Haghighi
Faculty Publications
Injuries and subclinical effects from exposure to blasts are of significant concern in military operational settings, including tactical training, and are associated with self-reported concussion-like symptomology and physiological changes such as increased intestinal permeability (IP), which was investigated in this study. Time-series gene expression and IP biomarker data were generated from “breachers” exposed to controlled, low-level explosive blast during training. Samples from 30 male participants at pre-, post-, and follow-up blast exposure the next day were assayed via RNA-seq and ELISA. A battery of symptom data was also collected at each of these time points that acutely showed elevated symptom …