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Articles 1 - 7 of 7
Full-Text Articles in Physical Sciences and Mathematics
Applying Deep Learning For Cell Detection In Time-Lapse Microscopic Images, Jay Patel
Applying Deep Learning For Cell Detection In Time-Lapse Microscopic Images, Jay Patel
Honors Theses
The budding yeast Saccharomyces cerevisiae is an effective model for studying cellular aging. We can measure the lifespan of yeast cells in two ways: replicative and chronological lifespans. Chronological focuses on the time that a cell can survive. The replicative lifespan (RLS) is the number of cell divisions that a single mother cell can go through before ceases to be dividing. RLS is a measurement of individual cells and is more informative on the aging process than in chronological lifespan. Many genes that influence yeast RLS have been shown to be highly conserved and have a similar effect on aging …
Hplc Detection Of Organic Gunshot Residues With Silicone Wristbands, Yelyzaveta Zuy
Hplc Detection Of Organic Gunshot Residues With Silicone Wristbands, Yelyzaveta Zuy
Honors Theses
The analysis of gunshot residue (GSR) is frequently used to aid in investigating firearm-related crimes. Typically, Scanning Electron Microscopy (SEM) is applied for inorganic analysis of elements such as lead, barium, and antimony to study GSR. However, heavy metal-free ammunition creates the need for a different type of approach. This research focuses on studying the potential of detecting organic gunshot residue (OGSR) collected with silicone wristbands through passive sampling. This study has been directed towards the development of an optimal High Performance Liquid Chromatography (HPLC) procedure for the detection and separation of five selected compounds typically found in OGSR. The …
Molecular Dynamics Simulations Of Apolipoprotein A1 In Ionic Liquids, Benjamin Smith
Molecular Dynamics Simulations Of Apolipoprotein A1 In Ionic Liquids, Benjamin Smith
Honors Theses
High-density lipoprotein function is essential for the healthy processing of fats in the blood. The function of these proteins is determined by their conformational structure of chains of amino acids. Certain ionic liquids have been shown to interact with individual amino acids to affect the tertiary shape of the protein. These interactions can disrupt the native hydrogen bonds between amino acids which can either promote folding or denaturing of the protein. Our work focused on apoA-1, a high-density lipoprotein that binds to cholesterol for efflux from the body. We studied this protein in different ion-based liquids with sodium, chloride, and …
Boundary, Costs And Trade-Offs In Reserve Design Systems, Justus Hurd
Boundary, Costs And Trade-Offs In Reserve Design Systems, Justus Hurd
Honors Theses
Due to limitations in funding and natural resources, it is infeasible to construct perfect reserve systems for large populations of critical species. For this project, our objective is to formulate a reserve design model that minimizes the distance between reserve sites meeting a threshold of biodiversity features subject to a species coverage constraints. Coupled with other spatial characteristics including reserve size and configuration, the boundary of a reserve system is of key importance. While positive area effects are gained when selecting additional sites, negative boundary length effects are also experienced. For example, it is costly to implement and maintain boundary …
Predictive Modeling Of Iphone 7 Charge Rates Using Least Squares Curve Fitting, Grace Cahill
Predictive Modeling Of Iphone 7 Charge Rates Using Least Squares Curve Fitting, Grace Cahill
Honors Theses
In a time where individuals depend on their cell phones, the need for a long lasting and quick charging battery life is imperative. As information regarding how long a battery can remained charged is highly advertised, there is no information regarding how long it would take for a dead phone battery to completely charge. This study determined the amount of time it will take an iPhone 7 to charge from 0% to 100% using the standard charging cable under four different charging conditions. The charge percentage was recorded every two minutes until it was fully charged with this process being …
Meta-Analysis Of Biological Research Literature, Evan Suggs
Meta-Analysis Of Biological Research Literature, Evan Suggs
Honors Theses
Comparative studies have been powerful tools in generating a broad understanding about the evolution of animal social systems but they currently rely on the slow, manual process of reading thousands of abstracts and papers from research databases. A web application was created for researchers conducting a comparative survey, in order to speed up their research. This web application automates the retrieval of research papers and their selection process. Using previously obtained data sets on the orders Artiodacytla and Lagomorph, a machine learning application was created to classify the papers. These techniques and tools should greatly increase the speed at which …
Mathematical Modeling Of A Variable Mass Rocket’S Dynamics Using The Differential Transform Method, Ashwyn Sam
Mathematical Modeling Of A Variable Mass Rocket’S Dynamics Using The Differential Transform Method, Ashwyn Sam
Honors Theses
In this paper, the mathematical modelling of a rocket with varying mass is investigated to construct a function that can describe the velocity and position of the rocket as a function of time. This research is geared more towards small scale rockets where the nonlinear drag term is of great interest to the underlying dynamics of the rocket. A simple force balance on the rocket using Newton’s second law of motion yields a Riccati differential equation for which the solution yields the velocity of the rocket at any given time. This solution can then be integrated with respect to time …