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Articles 1 - 8 of 8
Full-Text Articles in Physical Sciences and Mathematics
Determining The Biochemical Mechanisms And Binding Activities Of A Type Iv-A Crispr-Cas Ding Helicase, Matt Armbrust
Determining The Biochemical Mechanisms And Binding Activities Of A Type Iv-A Crispr-Cas Ding Helicase, Matt Armbrust
Fall Student Research Symposium 2021
CRISPR-Cas systems are adaptive prokaryotic immune systems that enable host cells to defend against attack from foreign nucleic acids such as phage infections or plasmids. CRISPR-Cas systems are diverse and encompass 2 classes, 6 types, and 33 subtypes. The Type IV-A CRISPR-Cas system from Pseudomonas aeruginosa strain 83 is composed of five different genes (csf1, csf2, csf3, cas6, and dinG). Type IV-A systems are poorly understood, and currently there is little research detailing their biological and biochemical mechanism of immunity. CasDinG, an ancillary protein within the Type IV-A system, is required for an immune response in vivo. However, the role …
Measuring Irregularity Via Approximate Entropy: How Does Perceived Human Instability Affect One's Own Stability?, Madi Braunersrither
Measuring Irregularity Via Approximate Entropy: How Does Perceived Human Instability Affect One's Own Stability?, Madi Braunersrither
Fall Student Research Symposium 2021
In a study performed at Utah State University, participants were prompted to evaluate the stability of pictured human postures while standing on a force plate. The force plate was used to collect the center of pressure of the subjects by recording measurements in the vertical and horizontal directions. The way these factors fluctuate over time and the irregularity in this fluctuation, specifically, can give insight into the subject’s postural stability. Rather than working with summary statistics such as means and variances of fitting parameters of a distribution as commonly done in statistics, we want to measure irregularity through analyzing the …
Climate Change Impacts On Atmospheric Ammonia And Implications For Human Health, Casey Olson, Connor Snow, Bridger Jorgensen
Climate Change Impacts On Atmospheric Ammonia And Implications For Human Health, Casey Olson, Connor Snow, Bridger Jorgensen
Fall Student Research Symposium 2021
According to national data Cache Valley has the highest concentrations of atmospheric ammonia in the nation. This study aims to answer the questions of whether climate variables and events such as precipitation, averaged winds, geopotential height, and teleconnections can be used to predict the behavior of pollutants and how human biology is potentially affected. Data from the Utah Climate Center shows that the 3rd yearly quartile has the highest levels of airborne ammonia due to the high levels of fertilizer use and livestock emissions in the farming industry in Cache Valley. After data analysis, there seems to be a connection …
Explicit Synchronized Solitary Waves For Some Models For The Interaction Of Long And Short Waves In Dispersive Media., Bruce Brewer
Explicit Synchronized Solitary Waves For Some Models For The Interaction Of Long And Short Waves In Dispersive Media., Bruce Brewer
Fall Student Research Symposium 2021
Four systems have recently been proposed for the study of the interaction of long and short waves in dispersive media. This poster establishes the synchronized solitary wave solutions for one of these systems.
Creating Transparent And Accessible Methods For Approximating The Composite Strength Of Concrete Sandwich Wall Panels, Ruth Taylor
Creating Transparent And Accessible Methods For Approximating The Composite Strength Of Concrete Sandwich Wall Panels, Ruth Taylor
Fall Student Research Symposium 2021
Background: The method of designing partially composite sandwich wall panels (SWPs) relies strongly on the use of percent of composite action. Calculating these values proves to be a complex and virtually inaccessible process for practicing engineers, resulting in the reliance on proprietary software or connector-system manufacturers for the necessary values. We simulated percent composite action data, including several relevant variables, to examine the relationship and determine if simple and accessible methods of calculation could be created. Methods: Code from collaborating engineers used to calculate percent composite action with the Iterative Sandwich Beam Theory (ISBT) method was translated into R, a …
Art As An Educator, Kylie Hansen
Art As An Educator, Kylie Hansen
Fall Student Research Symposium 2021
When looking at art, eyes are often drawn to the foreground of the canvas, which can leave out many details and not tell the whole story a painting has to offer. The process of analyzing and looking deeper into works of art would be common in a perfect world; its lessons can be universal. Everyone should study art because it increases skills that can be used for many things. Art can reframe views of the world as well as condition the mind to look past quick judgments. Art teaches one to slow down and analyze situations before acting and may …
Understanding How Changes In Precipitation Intensity Will Affect Vegetation In The Western U.S., Cristina Chirvasa
Understanding How Changes In Precipitation Intensity Will Affect Vegetation In The Western U.S., Cristina Chirvasa
Fall Student Research Symposium 2021
Precipitation events are becoming more intense as the atmosphere warms, but it remains unclear how precipitation intensification will affect plant growth in arid and semiarid ecosystems. There is conflicting evidence suggesting that larger precipitation events may either increase or decrease plant growth. Here, we report the growth responses of herbaceous and woody plants to experimental manipulations of precipitation intensity in a cold, semi-arid ecosystem in Utah, USA. In this experiment, precipitation was collected and redeposited as fewer, larger events with total annual precipitation kept constant across treatments. Results from the first two growing seasons revealed that more intense events ‘pushed’ …
Scattering Of Light From Periodic Conducting Nanostructures, Wesley Mills
Scattering Of Light From Periodic Conducting Nanostructures, Wesley Mills
Fall Student Research Symposium 2021
Light scattered from periodic structures generates numerous fascinating phenomena, from diffraction patterns to the black patches on some butterfly wings. The simple scalar wave formulation based on Huygens principle can account for many diffraction and radiation patterns in the far field. However, when the structure dimensions are smaller than the wavelength, light polarization and structure details become important, and the vector formulation based on Maxwell's equations is necessary. I will present an analytic calculation and a numerical simulation on light scattering from two-dimensional conducting grids to model the reflectance from butterfly wings and broadband absorption structures made from carbon nanotube …